diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml index fd4840830e..abde2da0bb 100644 --- a/.github/workflows/build.yml +++ b/.github/workflows/build.yml @@ -177,6 +177,7 @@ jobs: - "8086_commander" - "ADM_B_NRF52840_1" - "TG-Watch" + - "adafruit_feather_rp2040" - "aloriumtech_evo_m51" - "aramcon_badge_2019" - "arduino_mkr1300" @@ -294,6 +295,7 @@ jobs: - "pyruler" - "qtpy_m0" - "qtpy_m0_haxpress" + - "raspberry_pi_pico" - "raytac_mdbt50q-db-40" - "robohatmm1_m4" - "sam32" diff --git a/.gitmodules b/.gitmodules index f4080de1b2..66fcf186fa 100644 --- a/.gitmodules +++ b/.gitmodules @@ -75,7 +75,7 @@ url = https://github.com/adafruit/nrfx.git [submodule "lib/tinyusb"] path = lib/tinyusb - url = https://github.com/hathach/tinyusb.git + url = https://github.com/tannewt/tinyusb.git branch = master fetchRecurseSubmodules = false [submodule "tools/huffman"] @@ -171,3 +171,6 @@ [submodule "frozen/Adafruit_CircuitPython_LC709203F"] path = frozen/Adafruit_CircuitPython_LC709203F url = https://github.com/adafruit/Adafruit_CircuitPython_LC709203F +[submodule "ports/raspberrypi/sdk"] + path = ports/raspberrypi/sdk + url = https://github.com/raspberrypi/pico-sdk.git diff --git a/Makefile b/Makefile index adb206d7bc..845997beb2 100644 --- a/Makefile +++ b/Makefile @@ -255,6 +255,7 @@ stubs: @$(PYTHON) tools/extract_pyi.py shared-bindings/ $(STUBDIR) @$(PYTHON) tools/extract_pyi.py extmod/ulab/code/ $(STUBDIR)/ulab @$(PYTHON) tools/extract_pyi.py ports/atmel-samd/bindings $(STUBDIR) + @$(PYTHON) tools/extract_pyi.py ports/raspberrypi/bindings $(STUBDIR) @$(PYTHON) setup.py -q sdist .PHONY: check-stubs diff --git a/conf.py b/conf.py index c2d3d37eed..0a163e7d3c 100644 --- a/conf.py +++ b/conf.py @@ -189,6 +189,7 @@ exclude_patterns = ["**/build*", "ports/nrf/nrfx", "ports/nrf/peripherals", "ports/nrf/usb", + "ports/raspberrypi/sdk", "ports/stm/st_driver", "ports/stm/packages", "ports/stm/peripherals", diff --git a/docs/supported_ports.rst b/docs/supported_ports.rst index e74067e28f..b83ef12d35 100644 --- a/docs/supported_ports.rst +++ b/docs/supported_ports.rst @@ -13,8 +13,9 @@ is limited. ../ports/atmel-samd/README ../ports/cxd56/README + ../ports/esp32s2/README ../ports/litex/README ../ports/mimxrt10xx/README ../ports/nrf/README + ../ports/raspberrypi/README ../ports/stm/README - ../ports/esp32s2/README diff --git a/lib/tinyusb b/lib/tinyusb index cfcffe94ce..b68e4e9d70 160000 --- a/lib/tinyusb +++ b/lib/tinyusb @@ -1 +1 @@ -Subproject commit cfcffe94ce62f5ef1fb5aef4641924d64dc4b1c0 +Subproject commit b68e4e9d70ddef442c4d95412414c4221eef59eb diff --git a/ports/raspberrypi/.gitignore b/ports/raspberrypi/.gitignore new file mode 100644 index 0000000000..414487d53e --- /dev/null +++ b/ports/raspberrypi/.gitignore @@ -0,0 +1 @@ +build-*/ diff --git a/ports/raspberrypi/Makefile b/ports/raspberrypi/Makefile new file mode 100644 index 0000000000..69bd592c20 --- /dev/null +++ b/ports/raspberrypi/Makefile @@ -0,0 +1,273 @@ +# This file is part of the MicroPython project, http://micropython.org/ +# +# The MIT License (MIT) +# +# SPDX-FileCopyrightText: Copyright (c) 2019 Dan Halbert for Adafruit Industries +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +# Select the board to build for. +ifeq ($(BOARD),) + $(error You must provide a BOARD parameter) +else + ifeq ($(wildcard boards/$(BOARD)/.),) + $(error Invalid BOARD specified) + endif +endif + +# If the build directory is not given, make it reflect the board name. +BUILD ?= build-$(BOARD) + +include ../../py/mkenv.mk +# Board-specific +include boards/$(BOARD)/mpconfigboard.mk +# Port-specific +include mpconfigport.mk +# CircuitPython-specific +include $(TOP)/py/circuitpy_mpconfig.mk + +# qstr definitions (must come before including py.mk) +QSTR_DEFS = qstrdefsport.h + +# include py core make definitions +include $(TOP)/py/py.mk + +include $(TOP)/supervisor/supervisor.mk + +# Include make rules and variables common across CircuitPython builds. +include $(TOP)/py/circuitpy_defns.mk + +CROSS_COMPILE = arm-none-eabi- + +HAL_DIR=hal/$(MCU_SERIES) + +INC += -I. \ + -I../.. \ + -I../lib/mp-readline \ + -I../lib/timeutils \ + -Iboards/$(BOARD) \ + -Iboards/ \ + -isystem sdk/ \ + -isystem sdk/src/common/pico_base/include/ \ + -isystem sdk/src/common/pico_binary_info/include/ \ + -isystem sdk/src/common/pico_stdlib/include/ \ + -isystem sdk/src/common/pico_sync/include/ \ + -isystem sdk/src/common/pico_time/include/ \ + -isystem sdk/src/common/pico_util/include/ \ + -isystem sdk/src/rp2040/hardware_regs/include/ \ + -isystem sdk/src/rp2040/hardware_structs/include/ \ + -isystem sdk/src/rp2_common/hardware_adc/include/ \ + -isystem sdk/src/rp2_common/hardware_base/include/ \ + -isystem sdk/src/rp2_common/hardware_claim/include/ \ + -isystem sdk/src/rp2_common/hardware_clocks/include/ \ + -isystem sdk/src/rp2_common/hardware_dma/include/ \ + -isystem sdk/src/rp2_common/hardware_flash/include/ \ + -isystem sdk/src/rp2_common/hardware_gpio/include/ \ + -isystem sdk/src/rp2_common/hardware_irq/include/ \ + -isystem sdk/src/rp2_common/hardware_i2c/include/ \ + -isystem sdk/src/rp2_common/hardware_pio/include/ \ + -isystem sdk/src/rp2_common/hardware_pll/include/ \ + -isystem sdk/src/rp2_common/hardware_resets/include/ \ + -isystem sdk/src/rp2_common/hardware_spi/include/ \ + -isystem sdk/src/rp2_common/hardware_sync/include/ \ + -isystem sdk/src/rp2_common/hardware_timer/include/ \ + -isystem sdk/src/rp2_common/hardware_uart/include/ \ + -isystem sdk/src/rp2_common/hardware_watchdog/include/ \ + -isystem sdk/src/rp2_common/hardware_xosc/include/ \ + -isystem sdk/src/rp2_common/pico_multicore/include/ \ + -isystem sdk/src/rp2_common/pico_fix/rp2040_usb_device_enumeration/include/ \ + -isystem sdk/src/rp2_common/pico_stdio/include/ \ + -isystem sdk/src/rp2_common/pico_printf/include/ \ + -isystem sdk/src/rp2_common/pico_float/include/ \ + -isystem sdk/src/rp2_common/pico_platform/include/ \ + -isystem sdk/src/rp2_common/pico_runtime/printf/include/ \ + -isystem sdk/src/rp2_common/pico_bootrom/include/ \ + -Isdk_config \ + -I../../lib/tinyusb/src \ + -I../../supervisor/shared/usb \ + -I$(BUILD) + +# Pico specific configuration +CFLAGS += -DPICO_ON_DEVICE=1 -DPICO_NO_BINARY_INFO=0 -DPICO_TIME_DEFAULT_ALARM_POOL_DISABLED=1 -DPICO_DIVIDER_CALL_IDIV0=0 -DPICO_DIVIDER_CALL_LDIV0=0 -DPICO_DIVIDER_HARDWARE=1 -DPICO_DOUBLE_ROM=1 -DPICO_FLOAT_ROM=1 -DPICO_MULTICORE=1 -DPICO_BITS_IN_RAM=0 -DPICO_DIVIDER_IN_RAM=0 -DPICO_DOUBLE_PROPAGATE_NANS=0 -DPICO_DOUBLE_IN_RAM=0 -DPICO_MEM_IN_RAM=0 -DPICO_FLOAT_IN_RAM=0 -DPICO_FLOAT_PROPAGATE_NANS=1 -DPICO_NO_FLASH=0 -DPICO_COPY_TO_RAM=0 -DPICO_DISABLE_SHARED_IRQ_HANDLERS=0 +OPTIMIZATION_FLAGS ?= -O3 +# TinyUSB defines +CFLAGS += -DTUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX=1 -DCFG_TUSB_MCU=OPT_MCU_RP2040 -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_CDC_RX_BUFSIZE=256 -DCFG_TUD_MIDI_TX_BUFSIZE=128 -DCFG_TUD_CDC_TX_BUFSIZE=256 -DCFG_TUD_MSC_BUFSIZE=1024 + +# option to override default optimization level, set in boards/$(BOARD)/mpconfigboard.mk +CFLAGS += $(OPTIMIZATION_FLAGS) + +#Debugging/Optimization +ifeq ($(DEBUG), 1) + CFLAGS += -ggdb3 -Og + # No LTO because we may place some functions in RAM instead of flash. +else + CFLAGS += -DNDEBUG + + # No LTO because we may place some functions in RAM instead of flash. + + ifdef CFLAGS_BOARD + CFLAGS += $(CFLAGS_BOARD) + endif +endif + +DISABLE_WARNINGS = -Wno-unused-function -Wno-unused-variable -Wno-strict-overflow -Wno-cast-align -Wno-strict-prototypes -Wno-nested-externs -Wno-double-promotion -Wno-sign-compare + +CFLAGS += $(INC) -Wall -Werror -std=gnu11 -nostdlib -fshort-enums $(BASE_CFLAGS) $(CFLAGS_MOD) $(COPT) $(DISABLE_WARNINGS) + +CFLAGS += \ + -march=armv6-m \ + -mthumb \ + -mabi=aapcs-linux \ + -mcpu=cortex-m0plus \ + -msoft-float \ + -mfloat-abi=soft + +PICO_LDFLAGS = --specs=nosys.specs -Wl,--wrap=__aeabi_ldiv0 -Wl,--wrap=__aeabi_idiv0 -Wl,--wrap=__aeabi_lmul -Wl,--wrap=__clzsi2 -Wl,--wrap=__clzdi2 -Wl,--wrap=__ctzsi2 -Wl,--wrap=__ctzdi2 -Wl,--wrap=__popcountsi2 -Wl,--wrap=__popcountdi2 -Wl,--wrap=__clz -Wl,--wrap=__clzl -Wl,--wrap=__clzll -Wl,--wrap=__aeabi_idiv -Wl,--wrap=__aeabi_idivmod -Wl,--wrap=__aeabi_ldivmod -Wl,--wrap=__aeabi_uidiv -Wl,--wrap=__aeabi_uidivmod -Wl,--wrap=__aeabi_uldivmod -Wl,--wrap=__aeabi_dadd -Wl,--wrap=__aeabi_ddiv -Wl,--wrap=__aeabi_dmul -Wl,--wrap=__aeabi_drsub -Wl,--wrap=__aeabi_dsub -Wl,--wrap=__aeabi_cdcmpeq -Wl,--wrap=__aeabi_cdrcmple -Wl,--wrap=__aeabi_cdcmple -Wl,--wrap=__aeabi_dcmpeq -Wl,--wrap=__aeabi_dcmplt -Wl,--wrap=__aeabi_dcmple -Wl,--wrap=__aeabi_dcmpge -Wl,--wrap=__aeabi_dcmpgt -Wl,--wrap=__aeabi_dcmpun -Wl,--wrap=__aeabi_i2d -Wl,--wrap=__aeabi_l2d -Wl,--wrap=__aeabi_ui2d -Wl,--wrap=__aeabi_ul2d -Wl,--wrap=__aeabi_d2iz -Wl,--wrap=__aeabi_d2lz -Wl,--wrap=__aeabi_d2uiz -Wl,--wrap=__aeabi_d2ulz -Wl,--wrap=__aeabi_d2f -Wl,--wrap=sqrt -Wl,--wrap=cos -Wl,--wrap=sin -Wl,--wrap=tan -Wl,--wrap=atan2 -Wl,--wrap=exp -Wl,--wrap=log -Wl,--wrap=ldexp -Wl,--wrap=copysign -Wl,--wrap=trunc -Wl,--wrap=floor -Wl,--wrap=ceil -Wl,--wrap=round -Wl,--wrap=sincos -Wl,--wrap=asin -Wl,--wrap=acos -Wl,--wrap=atan -Wl,--wrap=sinh -Wl,--wrap=cosh -Wl,--wrap=tanh -Wl,--wrap=asinh -Wl,--wrap=acosh -Wl,--wrap=atanh -Wl,--wrap=exp2 -Wl,--wrap=log2 -Wl,--wrap=exp10 -Wl,--wrap=log10 -Wl,--wrap=pow -Wl,--wrap=powint -Wl,--wrap=hypot -Wl,--wrap=cbrt -Wl,--wrap=fmod -Wl,--wrap=drem -Wl,--wrap=remainder -Wl,--wrap=remquo -Wl,--wrap=expm1 -Wl,--wrap=log1p -Wl,--wrap=fma -Wl,--wrap=__aeabi_fadd -Wl,--wrap=__aeabi_fdiv -Wl,--wrap=__aeabi_fmul -Wl,--wrap=__aeabi_frsub -Wl,--wrap=__aeabi_fsub -Wl,--wrap=__aeabi_cfcmpeq -Wl,--wrap=__aeabi_cfrcmple -Wl,--wrap=__aeabi_cfcmple -Wl,--wrap=__aeabi_fcmpeq -Wl,--wrap=__aeabi_fcmplt -Wl,--wrap=__aeabi_fcmple -Wl,--wrap=__aeabi_fcmpge -Wl,--wrap=__aeabi_fcmpgt -Wl,--wrap=__aeabi_fcmpun -Wl,--wrap=__aeabi_i2f -Wl,--wrap=__aeabi_l2f -Wl,--wrap=__aeabi_ui2f -Wl,--wrap=__aeabi_ul2f -Wl,--wrap=__aeabi_f2iz -Wl,--wrap=__aeabi_f2lz -Wl,--wrap=__aeabi_f2uiz -Wl,--wrap=__aeabi_f2ulz -Wl,--wrap=__aeabi_f2d -Wl,--wrap=sqrtf -Wl,--wrap=cosf -Wl,--wrap=sinf -Wl,--wrap=tanf -Wl,--wrap=atan2f -Wl,--wrap=expf -Wl,--wrap=logf -Wl,--wrap=ldexpf -Wl,--wrap=copysignf -Wl,--wrap=truncf -Wl,--wrap=floorf -Wl,--wrap=ceilf -Wl,--wrap=roundf -Wl,--wrap=sincosf -Wl,--wrap=asinf -Wl,--wrap=acosf -Wl,--wrap=atanf -Wl,--wrap=sinhf -Wl,--wrap=coshf -Wl,--wrap=tanhf -Wl,--wrap=asinhf -Wl,--wrap=acoshf -Wl,--wrap=atanhf -Wl,--wrap=exp2f -Wl,--wrap=log2f -Wl,--wrap=exp10f -Wl,--wrap=log10f -Wl,--wrap=powf -Wl,--wrap=powintf -Wl,--wrap=hypotf -Wl,--wrap=cbrtf -Wl,--wrap=fmodf -Wl,--wrap=dremf -Wl,--wrap=remainderf -Wl,--wrap=remquof -Wl,--wrap=expm1f -Wl,--wrap=log1pf -Wl,--wrap=fmaf -Wl,--wrap=memcpy -Wl,--wrap=memset -Wl,--wrap=__aeabi_memcpy -Wl,--wrap=__aeabi_memset -Wl,--wrap=__aeabi_memcpy4 -Wl,--wrap=__aeabi_memset4 -Wl,--wrap=__aeabi_memcpy8 -Wl,--wrap=__aeabi_memset8 + +LDFLAGS = $(CFLAGS) $(PICO_LDFLAGS) -Wl,-T,link.ld -Wl,-Map=$@.map -Wl,-cref -Wl,--gc-sections + +# Use toolchain libm if we're not using our own. +ifndef INTERNAL_LIBM +LIBS += -lm +endif + +LDFLAGS += -mthumb -mcpu=cortex-m0plus + +SRC_SDK := \ + src/common/pico_sync/critical_section.c \ + src/common/pico_sync/lock_core.c \ + src/common/pico_sync/mutex.c \ + src/common/pico_time/time.c \ + src/common/pico_util/pheap.c \ + src/rp2_common/hardware_adc/adc.c \ + src/rp2_common/hardware_claim/claim.c \ + src/rp2_common/hardware_clocks/clocks.c \ + src/rp2_common/hardware_dma/dma.c \ + src/rp2_common/hardware_flash/flash.c \ + src/rp2_common/hardware_gpio/gpio.c \ + src/rp2_common/hardware_i2c/i2c.c \ + src/rp2_common/hardware_irq/irq.c \ + src/rp2_common/hardware_pio/pio.c \ + src/rp2_common/hardware_pll/pll.c \ + src/rp2_common/hardware_spi/spi.c \ + src/rp2_common/hardware_sync/sync.c \ + src/rp2_common/hardware_timer/timer.c \ + src/rp2_common/hardware_uart/uart.c \ + src/rp2_common/hardware_watchdog/watchdog.c \ + src/rp2_common/hardware_xosc/xosc.c \ + src/rp2_common/pico_bootrom/bootrom.c \ + src/rp2_common/pico_double/double_init_rom.c \ + src/rp2_common/pico_fix/rp2040_usb_device_enumeration/rp2040_usb_device_enumeration.c \ + src/rp2_common/pico_float/float_init_rom.c \ + src/rp2_common/pico_float/float_math.c \ + src/rp2_common/pico_multicore/multicore.c \ + src/rp2_common/pico_platform/platform.c \ + src/rp2_common/pico_printf/printf.c \ + src/rp2_common/pico_runtime/runtime.c \ + src/rp2_common/pico_stdio/stdio.c \ + +SRC_SDK := $(addprefix sdk/, $(SRC_SDK)) + +SRC_C += \ + boards/$(BOARD)/board.c \ + boards/$(BOARD)/pins.c \ + bindings/rp2pio/StateMachine.c \ + bindings/rp2pio/__init__.c \ + common-hal/rp2pio/StateMachine.c \ + common-hal/rp2pio/__init__.c \ + background.c \ + peripherals/pins.c \ + fatfs_port.c \ + lib/libc/string0.c \ + lib/mp-readline/readline.c \ + lib/oofatfs/ff.c \ + lib/oofatfs/option/ccsbcs.c \ + lib/timeutils/timeutils.c \ + lib/tinyusb/src/portable/raspberrypi/rp2040/dcd_rp2040.c \ + lib/tinyusb/src/portable/raspberrypi/rp2040/rp2040_usb.c \ + lib/utils/buffer_helper.c \ + lib/utils/context_manager_helpers.c \ + lib/utils/interrupt_char.c \ + lib/utils/pyexec.c \ + lib/utils/stdout_helpers.c \ + lib/utils/sys_stdio_mphal.c \ + mphalport.c \ + supervisor/shared/memory.c \ + +SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \ + $(addprefix shared-bindings/, $(SRC_BINDINGS_ENUMS)) \ + $(addprefix common-hal/, $(SRC_COMMON_HAL)) + +SRC_SHARED_MODULE_EXPANDED = $(addprefix shared-bindings/, $(SRC_SHARED_MODULE)) \ + $(addprefix shared-module/, $(SRC_SHARED_MODULE)) \ + $(addprefix shared-module/, $(SRC_SHARED_MODULE_INTERNAL)) + +# There may be duplicates between SRC_COMMON_HAL_EXPANDED and SRC_SHARED_MODULE_EXPANDED, +# because a few modules have files both in common-hal/ and shared-modules/. +# Doing a $(sort ...) removes duplicates as part of sorting. +SRC_COMMON_HAL_SHARED_MODULE_EXPANDED = $(sort $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED)) + +SRC_S = supervisor/$(CHIP_FAMILY)_cpu.s +SRC_S_UPPER = bs2_default_padded_checksummed.S \ + sdk/src/rp2_common/hardware_divider/divider.S \ + sdk/src/rp2_common/hardware_irq/irq_handler_chain.S \ + sdk/src/rp2_common/pico_bit_ops/bit_ops_aeabi.S \ + sdk/src/rp2_common/pico_double/double_aeabi.S \ + sdk/src/rp2_common/pico_double/double_v1_rom_shim.S \ + sdk/src/rp2_common/pico_divider/divider.S \ + sdk/src/rp2_common/pico_float/float_aeabi.S \ + sdk/src/rp2_common/pico_float/float_v1_rom_shim.S \ + sdk/src/rp2_common/pico_int64_ops/pico_int64_ops_aeabi.S \ + sdk/src/rp2_common/pico_mem_ops/mem_ops_aeabi.S \ + sdk/src/rp2_common/pico_standard_link/crt0.S \ + +OBJ = $(PY_O) $(SUPERVISOR_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o)) +OBJ += $(addprefix $(BUILD)/, $(SRC_SDK:.c=.o)) +OBJ += $(addprefix $(BUILD)/, $(SRC_COMMON_HAL_SHARED_MODULE_EXPANDED:.c=.o)) +ifeq ($(INTERNAL_LIBM),1) +OBJ += $(addprefix $(BUILD)/, $(SRC_LIBM:.c=.o)) +endif +OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o)) +OBJ += $(addprefix $(BUILD)/, $(SRC_S_UPPER:.S=.o)) +OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o)) + + +SRC_QSTR += $(SRC_C) $(SRC_SUPERVISOR) $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED) + +all: $(BUILD)/firmware.uf2 + +$(BUILD)/firmware.elf: $(OBJ) link.ld + $(STEPECHO) "LINK $@" + $(Q)$(CC) -o $@ $(LDFLAGS) $(OBJ) + $(Q)$(SIZE) $@ | $(PYTHON3) $(TOP)/tools/build_memory_info.py link.ld + +$(BUILD)/firmware.bin: $(BUILD)/firmware.elf + $(STEPECHO) "Create $@" + $(Q)$(OBJCOPY) -O binary $^ $@ + +$(BUILD)/firmware.uf2: $(BUILD)/firmware.bin + $(STEPECHO) "Create $@" + $(Q)$(PYTHON3) $(TOP)/tools/uf2/utils/uf2conv.py -f 0xe48bff56 -b 0x10000000 -c -o $@ $^ + +include $(TOP)/py/mkrules.mk + +# Print out the value of a make variable. +# https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile +print-%: + @echo $* = $($*) diff --git a/ports/raspberrypi/README.rst b/ports/raspberrypi/README.rst new file mode 100644 index 0000000000..d6ad9b3335 --- /dev/null +++ b/ports/raspberrypi/README.rst @@ -0,0 +1,18 @@ +RP2040 +================== + +This port supports many development boards that utilize RP2040 chips. See +https://circuitpython.org/downloads for all supported boards. + + +Building +-------- + +For build instructions see this guide: https://learn.adafruit.com/building-circuitpython/ + + +Port Specific modules +--------------------- + +.. toctree:: + ../../shared-bindings/rp2pio/index diff --git a/ports/raspberrypi/background.c b/ports/raspberrypi/background.c new file mode 100644 index 0000000000..c85b83b41e --- /dev/null +++ b/ports/raspberrypi/background.c @@ -0,0 +1,44 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "background.h" + +#include "supervisor/filesystem.h" +#include "supervisor/shared/tick.h" +#include "supervisor/usb.h" + +#include "py/runtime.h" +#include "shared-module/network/__init__.h" +#include "supervisor/shared/stack.h" +#include "supervisor/port.h" + +#if CIRCUITPY_DISPLAYIO +#include "shared-module/displayio/__init__.h" +#endif + +void port_start_background_task(void) {} +void port_finish_background_task(void) {} + +void port_background_task(void) {} diff --git a/ports/raspberrypi/background.h b/ports/raspberrypi/background.h new file mode 100644 index 0000000000..c8e23e2a57 --- /dev/null +++ b/ports/raspberrypi/background.h @@ -0,0 +1,32 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_BACKGROUND_H +#define MICROPY_INCLUDED_RASPBERRYPI_BACKGROUND_H + +#include + +#endif // MICROPY_INCLUDED_RASPBERRYPI_BACKGROUND_H diff --git a/ports/raspberrypi/bindings/rp2pio/StateMachine.c b/ports/raspberrypi/bindings/rp2pio/StateMachine.c new file mode 100644 index 0000000000..f472583ff1 --- /dev/null +++ b/ports/raspberrypi/bindings/rp2pio/StateMachine.c @@ -0,0 +1,449 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +// This file contains all of the Python API definitions for the +// rp2pio.StateMachine class. + +#include + +#include "shared-bindings/microcontroller/Pin.h" +#include "bindings/rp2pio/StateMachine.h" +#include "shared-bindings/util.h" + +#include "lib/utils/buffer_helper.h" +#include "lib/utils/context_manager_helpers.h" +#include "lib/utils/interrupt_char.h" +#include "py/mperrno.h" +#include "py/objproperty.h" +#include "py/runtime.h" +#include "supervisor/shared/translate.h" + + +//| class StateMachine: +//| """A single PIO StateMachine +//| +//| The programmable I/O peripheral on the RP2 series of microcontrollers is +//| unique. It is a collection of generic state machines that can be +//| used for a variety of protocols. State machines may be independent or +//| coordinated. Program memory and IRQs are shared between the state machines +//| in a particular PIO instance. They are independent otherwise. +//| +//| This class is designed to facilitate sharing of PIO resources. By default, +//| it is assumed that the state machine is used on it's own and can be placed +//| in either PIO. State machines with the same program will be placed in the +//| same PIO if possible. To ensure multiple state machines share a PIO use +//| the ``colocate`` kwarg during construction and create them one after another.""" +//| +//| def __init__(self, +//| program: ReadableBuffer, +//| frequency: int, +//| *, +//| init: Optional[ReadableBuffer] = None, +//| first_out_pin: Optional[microcontroller.Pin] = None, +//| out_pin_count: int = 1, +//| first_in_pin: Optional[microcontroller.Pin] = None, +//| in_pin_count: int = 1, +//| first_set_pin: Optional[microcontroller.Pin] = None, +//| set_pin_count: int = 1, +//| first_sideset_pin: Optional[microcontroller.Pin] = None, +//| sideset_pin_count: int = 1, +//| exclusive_pin_use: bool = True, +//| auto_pull: bool = False, +//| pull_threshold : int = 32, +//| out_shift_right : bool = True, +//| auto_push: bool = False, +//| push_threshold : int = 32, +//| in_shift_right : bool = True) -> None: +// //| colocate: Union[int, StateMachine, None] = None +//| +//| """Construct a StateMachine object on the given pins with the given program. +//| +//| :param ReadableBuffer program: the program to run with the state machine +//| :param int frequency: the target clock frequency of the state machine. Actual may be less. +//| :param ReadableBuffer init: a program to run once at start up. This is run after program +//| is started so instructions may be intermingled +//| :param ~microcontroller.Pin first_out_pin: the first pin to use with the OUT instruction +//| :param int out_pin_count: the count of consecutive pins to use with OUT starting at first_out_pin +//| :param ~microcontroller.Pin first_in_pin: the first pin to use with the IN instruction +//| :param int in_pin_count: the count of consecutive pins to use with IN starting at first_in_pin +//| :param ~microcontroller.Pin first_set_pin: the first pin to use with the SET instruction +//| :param int set_pin_count: the count of consecutive pins to use with SET starting at first_set_pin +//| :param ~microcontroller.Pin first_sideset_pin: the first pin to use with a side set +//| :param int sideset_pin_count: the count of consecutive pins to use with a side set starting at first_sideset_pin +//| :param bool exclusive_pin_use: When True, do not share any pins with other state machines. Pins are never shared with other peripherals +//| :param bool auto_pull: When True, automatically load data from the tx FIFO into the +//| output shift register (OSR) when an OUT instruction shifts more than pull_threshold bits +//| :param int pull_threshold: Number of bits to shift before loading a new value into the OSR from the tx FIFO +//| :param bool out_shift_right: When True, data is shifted out the right side (LSB) of the +//| OSR. It is shifted out the left (MSB) otherwise. NOTE! This impacts data alignment +//| when the number of bytes is not a power of two (1, 2 or 4 bytes). +//| :param bool auto_push: When True, automatically save data from input shift register +//| (ISR) into the rx FIFO when an IN instruction shifts more than push_threshold bits +//| :param int push_threshold: Number of bits to shift before saving the ISR value to the RX FIFO +//| :param bool in_shift_right: When True, data is shifted into the right side (LSB) of the +//| ISR. It is shifted into the left (MSB) otherwise. NOTE! This impacts data alignment +//| when the number of bytes is not a power of two (1, 2 or 4 bytes).""" +//| ... +//| + +STATIC mp_obj_t rp2pio_statemachine_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { + rp2pio_statemachine_obj_t *self = m_new_obj(rp2pio_statemachine_obj_t); + self->base.type = &rp2pio_statemachine_type; + enum { ARG_program, ARG_frequency, ARG_init, + ARG_first_out_pin, ARG_out_pin_count, + ARG_first_in_pin, ARG_in_pin_count, + ARG_first_set_pin, ARG_set_pin_count, + ARG_first_sideset_pin, ARG_sideset_pin_count, + ARG_exclusive_pin_use, + ARG_auto_pull, ARG_pull_threshold, ARG_out_shift_right, + ARG_auto_push, ARG_push_threshold, ARG_in_shift_right}; + static const mp_arg_t allowed_args[] = { + { MP_QSTR_program, MP_ARG_REQUIRED | MP_ARG_OBJ }, + { MP_QSTR_frequency, MP_ARG_REQUIRED | MP_ARG_INT }, + { MP_QSTR_init, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} }, + { MP_QSTR_first_out_pin, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} }, + { MP_QSTR_out_pin_count, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} }, + { MP_QSTR_first_in_pin, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} }, + { MP_QSTR_in_pin_count, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} }, + { MP_QSTR_first_set_pin, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} }, + { MP_QSTR_set_pin_count, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} }, + { MP_QSTR_first_sideset_pin, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} }, + { MP_QSTR_sideset_pin_count, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} }, + { MP_QSTR_exclusive_pin_use, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true} }, + { MP_QSTR_auto_pull, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} }, + { MP_QSTR_pull_threshold, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} }, + { MP_QSTR_out_shift_right, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true} }, + { MP_QSTR_auto_push, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} }, + { MP_QSTR_push_threshold, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} }, + { MP_QSTR_in_shift_right, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true} }, + }; + mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; + mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); + + mp_buffer_info_t bufinfo; + mp_get_buffer_raise(args[ARG_program].u_obj, &bufinfo, MP_BUFFER_READ); + + mp_buffer_info_t init_bufinfo; + init_bufinfo.len = 0; + mp_get_buffer(args[ARG_init].u_obj, &init_bufinfo, MP_BUFFER_READ); + + // We don't validate pin in use here because we may be ok sharing them within a PIO. + mcu_pin_obj_t *first_out_pin = validate_obj_is_pin_or_none(args[ARG_first_out_pin].u_obj); + if (args[ARG_out_pin_count].u_int < 1) { + mp_raise_ValueError(translate("Pin count must be at least 1")); + } + mcu_pin_obj_t *first_in_pin = validate_obj_is_pin_or_none(args[ARG_first_in_pin].u_obj); + if (args[ARG_in_pin_count].u_int < 1) { + mp_raise_ValueError(translate("Pin count must be at least 1")); + } + mcu_pin_obj_t *first_set_pin = validate_obj_is_pin_or_none(args[ARG_first_set_pin].u_obj); + if (args[ARG_set_pin_count].u_int < 1) { + mp_raise_ValueError(translate("Pin count must be at least 1")); + } + if (args[ARG_set_pin_count].u_int > 5) { + mp_raise_ValueError(translate("Set pin count must be between 1 and 5")); + } + mcu_pin_obj_t *first_sideset_pin = validate_obj_is_pin_or_none(args[ARG_first_sideset_pin].u_obj); + if (args[ARG_sideset_pin_count].u_int < 1) { + mp_raise_ValueError(translate("Pin count must be at least 1")); + } + if (args[ARG_sideset_pin_count].u_int > 5) { + mp_raise_ValueError(translate("Side set pin count must be between 1 and 5")); + } + + mp_int_t pull_threshold = args[ARG_pull_threshold].u_int; + mp_int_t push_threshold = args[ARG_push_threshold].u_int; + if (pull_threshold < 1 || pull_threshold > 32) { + mp_raise_ValueError(translate("pull_threshold must be between 1 and 32")); + } + if (push_threshold < 1 || push_threshold > 32) { + mp_raise_ValueError(translate("push_threshold must be between 1 and 32")); + } + + if (bufinfo.len < 2) { + mp_raise_ValueError(translate("Program must contain at least one 16-bit instruction.")); + } + if (bufinfo.len % 2 != 0) { + mp_raise_ValueError(translate("Program size invalid")); + } + if (bufinfo.len > 32) { + mp_raise_ValueError(translate("Program too large")); + } + + if (init_bufinfo.len % 2 != 0) { + mp_raise_ValueError(translate("Init program size invalid")); + } + + common_hal_rp2pio_statemachine_construct(self, + bufinfo.buf, bufinfo.len / 2, + args[ARG_frequency].u_int, + init_bufinfo.buf, init_bufinfo.len / 2, + first_out_pin, args[ARG_out_pin_count].u_int, + first_in_pin, args[ARG_in_pin_count].u_int, + first_set_pin, args[ARG_set_pin_count].u_int, + first_sideset_pin, args[ARG_sideset_pin_count].u_int, + args[ARG_exclusive_pin_use].u_bool, + args[ARG_auto_pull].u_bool, pull_threshold, args[ARG_out_shift_right].u_bool, + args[ARG_auto_push].u_bool, push_threshold, args[ARG_in_shift_right].u_bool); + return MP_OBJ_FROM_PTR(self); +} + +//| def deinit(self) -> None: +//| """Turn off the state machine and release it's resources.""" +//| ... +//| +STATIC mp_obj_t rp2pio_statemachine_obj_deinit(mp_obj_t self_in) { + rp2pio_statemachine_obj_t *self = MP_OBJ_TO_PTR(self_in); + common_hal_rp2pio_statemachine_deinit(self); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_1(rp2pio_statemachine_deinit_obj, rp2pio_statemachine_obj_deinit); + +//| def __enter__(self) -> SPI: +//| """No-op used by Context Managers. +//| Provided by context manager helper.""" +//| ... +//| + +//| def __exit__(self) -> None: +//| """Automatically deinitializes the hardware when exiting a context. See +//| :ref:`lifetime-and-contextmanagers` for more info.""" +//| ... +//| +STATIC mp_obj_t rp2pio_statemachine_obj___exit__(size_t n_args, const mp_obj_t *args) { + (void)n_args; + common_hal_rp2pio_statemachine_deinit(args[0]); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(rp2pio_statemachine_obj___exit___obj, 4, 4, rp2pio_statemachine_obj___exit__); + + +STATIC void check_for_deinit(rp2pio_statemachine_obj_t *self) { + if (common_hal_rp2pio_statemachine_deinited(self)) { + raise_deinited_error(); + } +} + +// // | def restart(self, *other_state_machines) -> None: +// // | """Restarts this state machine and any others given. They must share +// // | an underlying PIO. An exception will be raised otherwise.""" +// // | ... +// // | + +//| def write(self, buffer: ReadableBuffer, *, start: int = 0, end: Optional[int] = None) -> None: +//| """Write the data contained in ``buffer`` to the state machine. If the buffer is empty, nothing happens. +//| +//| :param ~_typing.ReadableBuffer buffer: Write out the data in this buffer +//| :param int start: Start of the slice of ``buffer`` to write out: ``buffer[start:end]`` +//| :param int end: End of the slice; this index is not included. Defaults to ``len(buffer)``""" +//| ... +//| + +STATIC mp_obj_t rp2pio_statemachine_write(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { + enum { ARG_buffer, ARG_start, ARG_end }; + static const mp_arg_t allowed_args[] = { + { MP_QSTR_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, + { MP_QSTR_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} }, + { MP_QSTR_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} }, + }; + rp2pio_statemachine_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]); + check_for_deinit(self); + mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; + mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); + + mp_buffer_info_t bufinfo; + mp_get_buffer_raise(args[ARG_buffer].u_obj, &bufinfo, MP_BUFFER_READ); + int32_t start = args[ARG_start].u_int; + size_t length = bufinfo.len; + normalize_buffer_bounds(&start, args[ARG_end].u_int, &length); + + if (length == 0) { + return mp_const_none; + } + + bool ok = common_hal_rp2pio_statemachine_write(self, ((uint8_t*)bufinfo.buf) + start, length); + if (mp_hal_is_interrupted()) { + return mp_const_none; + } + if (!ok) { + mp_raise_OSError(MP_EIO); + } + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_KW(rp2pio_statemachine_write_obj, 2, rp2pio_statemachine_write); + + +// // | def readinto(self, buffer: WriteableBuffer, *, start: int = 0, end: Optional[int] = None) -> None: +// // | """Read into ``buffer``. If the number of bytes to read is 0, nothing happens. +// // | +// // | :param ~_typing.WriteableBuffer buffer: Read data into this buffer +// // | :param int start: Start of the slice of ``buffer`` to read into: ``buffer[start:end]`` +// // | :param int end: End of the slice; this index is not included. Defaults to ``len(buffer)`` +// // | :param int write_value: Value to write while reading. (Usually ignored.)""" +// // | ... +// // | + +// STATIC mp_obj_t rp2pio_statemachine_readinto(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { +// enum { ARG_buffer, ARG_start, ARG_end, ARG_write_value }; +// static const mp_arg_t allowed_args[] = { +// { MP_QSTR_buffer, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, +// { MP_QSTR_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} }, +// { MP_QSTR_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} }, +// { MP_QSTR_write_value,MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} }, +// }; +// rp2pio_statemachine_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]); +// check_for_deinit(self); +// check_lock(self); +// mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; +// mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); + +// mp_buffer_info_t bufinfo; +// mp_get_buffer_raise(args[ARG_buffer].u_obj, &bufinfo, MP_BUFFER_WRITE); +// int32_t start = args[ARG_start].u_int; +// size_t length = bufinfo.len; +// normalize_buffer_bounds(&start, args[ARG_end].u_int, &length); + +// if (length == 0) { +// return mp_const_none; +// } + +// bool ok = common_hal_rp2pio_statemachine_read(self, ((uint8_t*)bufinfo.buf) + start, length, args[ARG_write_value].u_int); +// if (!ok) { +// mp_raise_OSError(MP_EIO); +// } +// return mp_const_none; +// } +// MP_DEFINE_CONST_FUN_OBJ_KW(rp2pio_statemachine_readinto_obj, 2, rp2pio_statemachine_readinto); + +// //| def write_readinto(self, buffer_out: ReadableBuffer, buffer_in: WriteableBuffer, *, out_start: int = 0, out_end: Optional[int] = None, in_start: int = 0, in_end: Optional[int] = None) -> None: +// //| """Write out the data in ``buffer_out`` while simultaneously reading data into ``buffer_in``. +// //| The SPI object must be locked. +// //| The lengths of the slices defined by ``buffer_out[out_start:out_end]`` and ``buffer_in[in_start:in_end]`` +// //| must be equal. +// //| If buffer slice lengths are both 0, nothing happens. +// //| +// //| :param ~_typing.ReadableBuffer buffer_out: Write out the data in this buffer +// //| :param ~_typing.WriteableBuffer buffer_in: Read data into this buffer +// //| :param int out_start: Start of the slice of buffer_out to write out: ``buffer_out[out_start:out_end]`` +// //| :param int out_end: End of the slice; this index is not included. Defaults to ``len(buffer_out)`` +// //| :param int in_start: Start of the slice of ``buffer_in`` to read into: ``buffer_in[in_start:in_end]`` +// //| :param int in_end: End of the slice; this index is not included. Defaults to ``len(buffer_in)``""" +// //| ... +// //| + +// STATIC mp_obj_t rp2pio_statemachine_write_readinto(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { +// enum { ARG_buffer_out, ARG_buffer_in, ARG_out_start, ARG_out_end, ARG_in_start, ARG_in_end }; +// static const mp_arg_t allowed_args[] = { +// { MP_QSTR_buffer_out, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, +// { MP_QSTR_buffer_in, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, +// { MP_QSTR_out_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} }, +// { MP_QSTR_out_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} }, +// { MP_QSTR_in_start, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} }, +// { MP_QSTR_in_end, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = INT_MAX} }, +// }; +// rp2pio_statemachine_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]); +// check_for_deinit(self); +// check_lock(self); +// mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; +// mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); + +// mp_buffer_info_t buf_out_info; +// mp_get_buffer_raise(args[ARG_buffer_out].u_obj, &buf_out_info, MP_BUFFER_READ); +// int32_t out_start = args[ARG_out_start].u_int; +// size_t out_length = buf_out_info.len; +// normalize_buffer_bounds(&out_start, args[ARG_out_end].u_int, &out_length); + +// mp_buffer_info_t buf_in_info; +// mp_get_buffer_raise(args[ARG_buffer_in].u_obj, &buf_in_info, MP_BUFFER_WRITE); +// int32_t in_start = args[ARG_in_start].u_int; +// size_t in_length = buf_in_info.len; +// normalize_buffer_bounds(&in_start, args[ARG_in_end].u_int, &in_length); + +// if (out_length != in_length) { +// mp_raise_ValueError(translate("buffer slices must be of equal length")); +// } + +// if (out_length == 0) { +// return mp_const_none; +// } + +// bool ok = common_hal_rp2pio_statemachine_transfer(self, +// ((uint8_t*)buf_out_info.buf) + out_start, +// ((uint8_t*)buf_in_info.buf) + in_start, +// out_length); +// if (!ok) { +// mp_raise_OSError(MP_EIO); +// } +// return mp_const_none; +// } +// MP_DEFINE_CONST_FUN_OBJ_KW(rp2pio_statemachine_write_readinto_obj, 2, rp2pio_statemachine_write_readinto); + +//| frequency: int +//| """The actual state machine frequency. This may not match the frequency requested +//| due to internal limitations.""" +//| + +STATIC mp_obj_t rp2pio_statemachine_obj_get_frequency(mp_obj_t self_in) { + rp2pio_statemachine_obj_t *self = MP_OBJ_TO_PTR(self_in); + check_for_deinit(self); + return MP_OBJ_NEW_SMALL_INT(common_hal_rp2pio_statemachine_get_frequency(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(rp2pio_statemachine_get_frequency_obj, rp2pio_statemachine_obj_get_frequency); + +const mp_obj_property_t rp2pio_statemachine_frequency_obj = { + .base.type = &mp_type_property, + .proxy = {(mp_obj_t)&rp2pio_statemachine_get_frequency_obj, + (mp_obj_t)&mp_const_none_obj, + (mp_obj_t)&mp_const_none_obj}, +}; + +STATIC const mp_rom_map_elem_t rp2pio_statemachine_locals_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&rp2pio_statemachine_deinit_obj) }, + { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) }, + { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&rp2pio_statemachine_obj___exit___obj) }, + +// { MP_ROM_QSTR(MP_QSTR_restart), MP_ROM_PTR(&rp2pio_statemachine_configure_obj) }, + +// { MP_ROM_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&rp2pio_statemachine_readinto_obj) }, + { MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&rp2pio_statemachine_write_obj) }, +// { MP_ROM_QSTR(MP_QSTR_write_readinto), MP_ROM_PTR(&rp2pio_statemachine_write_readinto_obj) }, + { MP_ROM_QSTR(MP_QSTR_frequency), MP_ROM_PTR(&rp2pio_statemachine_frequency_obj) } +}; +STATIC MP_DEFINE_CONST_DICT(rp2pio_statemachine_locals_dict, rp2pio_statemachine_locals_dict_table); + +const mp_obj_type_t rp2pio_statemachine_type = { + { &mp_type_type }, + .name = MP_QSTR_StateMachine, + .make_new = rp2pio_statemachine_make_new, + .locals_dict = (mp_obj_dict_t*)&rp2pio_statemachine_locals_dict, +}; + +rp2pio_statemachine_obj_t *validate_obj_is_statemachine(mp_obj_t obj) { + if (!MP_OBJ_IS_TYPE(obj, &rp2pio_statemachine_type)) { + mp_raise_TypeError_varg(translate("Expected a %q"), rp2pio_statemachine_type.name); + } + return MP_OBJ_TO_PTR(obj); +} diff --git a/ports/raspberrypi/bindings/rp2pio/StateMachine.h b/ports/raspberrypi/bindings/rp2pio/StateMachine.h new file mode 100644 index 0000000000..5ff20a75bf --- /dev/null +++ b/ports/raspberrypi/bindings/rp2pio/StateMachine.h @@ -0,0 +1,71 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H +#define MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H + +#include "py/obj.h" + +#include "common-hal/microcontroller/Pin.h" +#include "common-hal/rp2pio/StateMachine.h" + +// Type object used in Python. Should be shared between ports. +extern const mp_obj_type_t rp2pio_statemachine_type; + +// Construct an underlying SPI object. +extern void common_hal_rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self, + const uint16_t* program, size_t program_len, + size_t frequency, + const uint16_t* init, size_t init_len, + const mcu_pin_obj_t * first_out_pin, uint8_t out_pin_count, + const mcu_pin_obj_t * first_in_pin, uint8_t in_pin_count, + const mcu_pin_obj_t * first_set_pin, uint8_t set_pin_count, + const mcu_pin_obj_t * first_sideset_pin, uint8_t sideset_pin_count, + bool exclusive_pin_use, + bool auto_pull, uint8_t pull_threshold, bool out_shift_right, + bool auto_push, uint8_t push_threshold, bool in_shift_right); + +extern void common_hal_rp2pio_statemachine_deinit(rp2pio_statemachine_obj_t *self); +extern bool common_hal_rp2pio_statemachine_deinited(rp2pio_statemachine_obj_t *self); + +// Writes out the given data. +extern bool common_hal_rp2pio_statemachine_write(rp2pio_statemachine_obj_t *self, const uint8_t *data, size_t len); + +// // Reads in len bytes while outputting zeroes. +// extern bool common_hal_rp2pio_statemachine_read(rp2pio_statemachine_obj_t *self, uint8_t *data, size_t len, uint8_t write_value); + +// // Reads and write len bytes simultaneously. +// extern bool common_hal_rp2pio_statemachine_transfer(rp2pio_statemachine_obj_t *self, +// const uint8_t *data_out, size_t out_len, +// uint8_t *data_in, size_t in_len); + +// Return actual SPI bus frequency. +uint32_t common_hal_rp2pio_statemachine_get_frequency(rp2pio_statemachine_obj_t* self); + +// This is used by the supervisor to claim SPI devices indefinitely. +// extern void common_hal_rp2pio_statemachine_never_reset(rp2pio_statemachine_obj_t *self); + +#endif // MICROPY_INCLUDED_RASPBERRYPI_BINDINGS_RP2PIO_STATEMACHINE_H diff --git a/ports/raspberrypi/bindings/rp2pio/__init__.c b/ports/raspberrypi/bindings/rp2pio/__init__.c new file mode 100644 index 0000000000..dd5808cd5e --- /dev/null +++ b/ports/raspberrypi/bindings/rp2pio/__init__.c @@ -0,0 +1,45 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "py/obj.h" +#include "py/runtime.h" + +#include "bindings/rp2pio/StateMachine.h" + +//| """Hardware interface to RP2 series' programmable IO (PIO) peripheral.""" +//| + +STATIC const mp_rom_map_elem_t rp2pio_module_globals_table[] = { + { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_rp2pio) }, + { MP_ROM_QSTR(MP_QSTR_StateMachine), MP_ROM_PTR(&rp2pio_statemachine_type) }, +}; + +STATIC MP_DEFINE_CONST_DICT(rp2pio_module_globals, rp2pio_module_globals_table); + +const mp_obj_module_t rp2pio_module = { + .base = { &mp_type_module }, + .globals = (mp_obj_dict_t*)&rp2pio_module_globals, +}; diff --git a/ports/raspberrypi/boards/adafruit_feather_rp2040/board.c b/ports/raspberrypi/boards/adafruit_feather_rp2040/board.c new file mode 100644 index 0000000000..8686f6d0c2 --- /dev/null +++ b/ports/raspberrypi/boards/adafruit_feather_rp2040/board.c @@ -0,0 +1,44 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "supervisor/board.h" + +#include "shared-bindings/microcontroller/Pin.h" +#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h" + +void board_init(void) { + common_hal_never_reset_pin(&pin_GPIO17); + gpio_init(17); + gpio_set_dir(17, GPIO_OUT); + gpio_put(17, true); +} + +bool board_requests_safe_mode(void) { + return false; +} + +void reset_board(void) { +} diff --git a/ports/raspberrypi/boards/adafruit_feather_rp2040/mpconfigboard.h b/ports/raspberrypi/boards/adafruit_feather_rp2040/mpconfigboard.h new file mode 100644 index 0000000000..6a2d063d79 --- /dev/null +++ b/ports/raspberrypi/boards/adafruit_feather_rp2040/mpconfigboard.h @@ -0,0 +1,14 @@ +#define MICROPY_HW_BOARD_NAME "Adafruit Feather RP2040" +#define MICROPY_HW_MCU_NAME "rp2040" + +#define MICROPY_HW_NEOPIXEL (&pin_GPIO16) + +#define DEFAULT_I2C_BUS_SCL (&pin_GPIO3) +#define DEFAULT_I2C_BUS_SDA (&pin_GPIO2) + +#define DEFAULT_SPI_BUS_SCK (&pin_GPIO18) +#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO19) +#define DEFAULT_SPI_BUS_MISO (&pin_GPIO20) + +// #define DEFAULT_UART_BUS_RX (&pin_PA11) +// #define DEFAULT_UART_BUS_TX (&pin_PA10) diff --git a/ports/raspberrypi/boards/adafruit_feather_rp2040/mpconfigboard.mk b/ports/raspberrypi/boards/adafruit_feather_rp2040/mpconfigboard.mk new file mode 100644 index 0000000000..97b3cd9495 --- /dev/null +++ b/ports/raspberrypi/boards/adafruit_feather_rp2040/mpconfigboard.mk @@ -0,0 +1,10 @@ +USB_VID = 0x239A +USB_PID = 0x80F2 +USB_PRODUCT = "Feather RP2040" +USB_MANUFACTURER = "Adafruit" + +CHIP_VARIANT = RP2040 +CHIP_FAMILY = rp2 + +INTERNAL_FLASH_FILESYSTEM = 1 + diff --git a/ports/raspberrypi/boards/adafruit_feather_rp2040/pins.c b/ports/raspberrypi/boards/adafruit_feather_rp2040/pins.c new file mode 100644 index 0000000000..1617ac865e --- /dev/null +++ b/ports/raspberrypi/boards/adafruit_feather_rp2040/pins.c @@ -0,0 +1,36 @@ +#include "shared-bindings/board/__init__.h" + +STATIC const mp_rom_map_elem_t board_global_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO26) }, + { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO27) }, + { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO28) }, + { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) }, + { MP_ROM_QSTR(MP_QSTR_D24), MP_ROM_PTR(&pin_GPIO24) }, + { MP_ROM_QSTR(MP_QSTR_D25), MP_ROM_PTR(&pin_GPIO25) }, + { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO18) }, + { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO19) }, + { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO20) }, + { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_GPIO1) }, + { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO1) }, + { MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_GPIO0) }, + { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO0) }, + { MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_GPIO4) }, + + { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO2) }, + { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO3) }, + { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO5) }, + { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_GPIO6) }, + { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_GPIO9) }, + { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_GPIO10) }, + { MP_ROM_QSTR(MP_QSTR_D11), MP_ROM_PTR(&pin_GPIO11) }, + { MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_GPIO12) }, + { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_GPIO13) }, + + { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO16) }, + { MP_ROM_QSTR(MP_QSTR_NEOPIXEL_POWER), MP_ROM_PTR(&pin_GPIO17) }, + + { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) }, + { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) }, + // { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) }, +}; +MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table); diff --git a/ports/raspberrypi/boards/raspberry_pi_pico/board.c b/ports/raspberrypi/boards/raspberry_pi_pico/board.c new file mode 100644 index 0000000000..80ec5de32b --- /dev/null +++ b/ports/raspberrypi/boards/raspberry_pi_pico/board.c @@ -0,0 +1,38 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "supervisor/board.h" + +void board_init(void) +{ +} + +bool board_requests_safe_mode(void) { + return false; +} + +void reset_board(void) { +} diff --git a/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.h b/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.h new file mode 100644 index 0000000000..4b0a220287 --- /dev/null +++ b/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.h @@ -0,0 +1,15 @@ +// LEDs +// #define MICROPY_HW_LED_STATUS (&pin_PA17) + +#define MICROPY_HW_BOARD_NAME "Raspberry Pi Pico" +#define MICROPY_HW_MCU_NAME "rp2040" + +// #define DEFAULT_I2C_BUS_SCL (&pin_PA23) +// #define DEFAULT_I2C_BUS_SDA (&pin_PA22) + +// #define DEFAULT_SPI_BUS_SCK (&pin_PB11) +// #define DEFAULT_SPI_BUS_MOSI (&pin_PB10) +// #define DEFAULT_SPI_BUS_MISO (&pin_PA12) + +// #define DEFAULT_UART_BUS_RX (&pin_PA11) +// #define DEFAULT_UART_BUS_TX (&pin_PA10) diff --git a/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk b/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk new file mode 100644 index 0000000000..11b06449c8 --- /dev/null +++ b/ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk @@ -0,0 +1,10 @@ +USB_VID = 0x239A +USB_PID = 0x80F4 +USB_PRODUCT = "Pico" +USB_MANUFACTURER = "Raspberry Pi" + +CHIP_VARIANT = RP2040 +CHIP_FAMILY = rp2 + +INTERNAL_FLASH_FILESYSTEM = 1 + diff --git a/ports/raspberrypi/boards/raspberry_pi_pico/pins.c b/ports/raspberrypi/boards/raspberry_pi_pico/pins.c new file mode 100644 index 0000000000..38ec75c4ad --- /dev/null +++ b/ports/raspberrypi/boards/raspberry_pi_pico/pins.c @@ -0,0 +1,38 @@ +#include "shared-bindings/board/__init__.h" + +STATIC const mp_rom_map_elem_t board_global_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_GP0), MP_ROM_PTR(&pin_GPIO0) }, + { MP_ROM_QSTR(MP_QSTR_GP1), MP_ROM_PTR(&pin_GPIO1) }, + { MP_ROM_QSTR(MP_QSTR_GP2), MP_ROM_PTR(&pin_GPIO2) }, + { MP_ROM_QSTR(MP_QSTR_GP3), MP_ROM_PTR(&pin_GPIO3) }, + { MP_ROM_QSTR(MP_QSTR_GP4), MP_ROM_PTR(&pin_GPIO4) }, + { MP_ROM_QSTR(MP_QSTR_GP5), MP_ROM_PTR(&pin_GPIO5) }, + { MP_ROM_QSTR(MP_QSTR_GP6), MP_ROM_PTR(&pin_GPIO6) }, + { MP_ROM_QSTR(MP_QSTR_GP7), MP_ROM_PTR(&pin_GPIO7) }, + { MP_ROM_QSTR(MP_QSTR_GP8), MP_ROM_PTR(&pin_GPIO8) }, + { MP_ROM_QSTR(MP_QSTR_GP9), MP_ROM_PTR(&pin_GPIO9) }, + { MP_ROM_QSTR(MP_QSTR_GP10), MP_ROM_PTR(&pin_GPIO10) }, + { MP_ROM_QSTR(MP_QSTR_GP11), MP_ROM_PTR(&pin_GPIO11) }, + { MP_ROM_QSTR(MP_QSTR_GP12), MP_ROM_PTR(&pin_GPIO12) }, + { MP_ROM_QSTR(MP_QSTR_GP13), MP_ROM_PTR(&pin_GPIO13) }, + { MP_ROM_QSTR(MP_QSTR_GP14), MP_ROM_PTR(&pin_GPIO14) }, + { MP_ROM_QSTR(MP_QSTR_GP16), MP_ROM_PTR(&pin_GPIO16) }, + { MP_ROM_QSTR(MP_QSTR_GP17), MP_ROM_PTR(&pin_GPIO17) }, + { MP_ROM_QSTR(MP_QSTR_GP18), MP_ROM_PTR(&pin_GPIO18) }, + { MP_ROM_QSTR(MP_QSTR_GP19), MP_ROM_PTR(&pin_GPIO19) }, + { MP_ROM_QSTR(MP_QSTR_GP20), MP_ROM_PTR(&pin_GPIO20) }, + { MP_ROM_QSTR(MP_QSTR_GP21), MP_ROM_PTR(&pin_GPIO21) }, + { MP_ROM_QSTR(MP_QSTR_GP22), MP_ROM_PTR(&pin_GPIO22) }, + { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO25) }, + { MP_ROM_QSTR(MP_QSTR_GP25), MP_ROM_PTR(&pin_GPIO25) }, + { MP_ROM_QSTR(MP_QSTR_GP26_A0), MP_ROM_PTR(&pin_GPIO26) }, + { MP_ROM_QSTR(MP_QSTR_GP26), MP_ROM_PTR(&pin_GPIO26) }, + { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO26) }, + { MP_ROM_QSTR(MP_QSTR_GP27_A1), MP_ROM_PTR(&pin_GPIO27) }, + { MP_ROM_QSTR(MP_QSTR_GP27), MP_ROM_PTR(&pin_GPIO27) }, + { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO27) }, + { MP_ROM_QSTR(MP_QSTR_GP28_A2), MP_ROM_PTR(&pin_GPIO28) }, + { MP_ROM_QSTR(MP_QSTR_GP28), MP_ROM_PTR(&pin_GPIO28) }, + { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO28) }, +}; +MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table); diff --git a/ports/raspberrypi/bs2_default_padded_checksummed.S b/ports/raspberrypi/bs2_default_padded_checksummed.S new file mode 100644 index 0000000000..d77f4867c6 --- /dev/null +++ b/ports/raspberrypi/bs2_default_padded_checksummed.S @@ -0,0 +1,20 @@ +// Padded and checksummed version of: /Users/graham/dev/mu/pico_sdk/cmake-build-debug-mu/src/rp2_common/boot_stage2/bs2_default.bin + +.section .boot2, "a" + +.byte 0x00, 0xb5, 0x2f, 0x4b, 0x21, 0x20, 0x58, 0x60, 0x98, 0x68, 0x02, 0x21, 0x88, 0x43, 0x98, 0x60 +.byte 0xd8, 0x60, 0x18, 0x61, 0x58, 0x61, 0x2b, 0x4b, 0x00, 0x21, 0x99, 0x60, 0x02, 0x21, 0x59, 0x61 +.byte 0x01, 0x21, 0xf0, 0x22, 0x99, 0x50, 0x28, 0x49, 0x19, 0x60, 0x01, 0x21, 0x99, 0x60, 0x35, 0x20 +.byte 0x00, 0xf0, 0x3e, 0xf8, 0x02, 0x22, 0x90, 0x42, 0x14, 0xd0, 0x06, 0x21, 0x19, 0x66, 0x00, 0xf0 +.byte 0x2e, 0xf8, 0x19, 0x6e, 0x01, 0x21, 0x19, 0x66, 0x00, 0x20, 0x18, 0x66, 0x1a, 0x66, 0x00, 0xf0 +.byte 0x26, 0xf8, 0x19, 0x6e, 0x19, 0x6e, 0x19, 0x6e, 0x05, 0x20, 0x00, 0xf0, 0x29, 0xf8, 0x01, 0x21 +.byte 0x08, 0x42, 0xf9, 0xd1, 0x00, 0x21, 0x99, 0x60, 0x18, 0x49, 0x19, 0x60, 0x00, 0x21, 0x59, 0x60 +.byte 0x17, 0x49, 0x18, 0x48, 0x01, 0x60, 0x01, 0x21, 0x99, 0x60, 0xeb, 0x21, 0x19, 0x66, 0xa0, 0x21 +.byte 0x19, 0x66, 0x00, 0xf0, 0x0c, 0xf8, 0x00, 0x21, 0x99, 0x60, 0x13, 0x49, 0x11, 0x48, 0x01, 0x60 +.byte 0x01, 0x21, 0x99, 0x60, 0x01, 0xbc, 0x00, 0x28, 0x00, 0xd1, 0x10, 0x48, 0x00, 0x47, 0x03, 0xb5 +.byte 0x99, 0x6a, 0x04, 0x20, 0x01, 0x42, 0xfb, 0xd0, 0x01, 0x20, 0x01, 0x42, 0xf8, 0xd1, 0x03, 0xbd +.byte 0x02, 0xb5, 0x18, 0x66, 0x18, 0x66, 0xff, 0xf7, 0xf2, 0xff, 0x18, 0x6e, 0x18, 0x6e, 0x02, 0xbd +.byte 0x00, 0x00, 0x02, 0x40, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x07, 0x00, 0x00, 0x03, 0x5f, 0x00 +.byte 0x21, 0x22, 0x00, 0x00, 0xf4, 0x00, 0x00, 0x18, 0x22, 0x20, 0x00, 0xa0, 0x01, 0x01, 0x00, 0x10 +.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x27, 0x2a, 0x60 diff --git a/ports/raspberrypi/common-hal/analogio/AnalogIn.c b/ports/raspberrypi/common-hal/analogio/AnalogIn.c new file mode 100644 index 0000000000..c51a749295 --- /dev/null +++ b/ports/raspberrypi/common-hal/analogio/AnalogIn.c @@ -0,0 +1,73 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "common-hal/analogio/AnalogIn.h" +#include "py/runtime.h" +#include "supervisor/shared/translate.h" + +#include "src/rp2_common/hardware_adc/include/hardware/adc.h" + +#define ADC_FIRST_PIN_NUMBER 26 +#define ADC_PIN_COUNT 4 + +void common_hal_analogio_analogin_construct(analogio_analogin_obj_t *self, const mcu_pin_obj_t *pin) { + if (pin->number < ADC_FIRST_PIN_NUMBER || pin->number > ADC_FIRST_PIN_NUMBER + ADC_PIN_COUNT) { + mp_raise_ValueError(translate("Pin does not have ADC capabilities")); + } + + adc_init(); + + adc_gpio_init(pin->number); + + claim_pin(pin); + self->pin = pin; +} + +bool common_hal_analogio_analogin_deinited(analogio_analogin_obj_t *self) { + return self->pin == NULL; +} + +void common_hal_analogio_analogin_deinit(analogio_analogin_obj_t *self) { + if (common_hal_analogio_analogin_deinited(self)) { + return; + } + + reset_pin_number(self->pin->number); + self->pin = NULL; +} + +uint16_t common_hal_analogio_analogin_get_value(analogio_analogin_obj_t *self) { + adc_select_input(self->pin->number - ADC_FIRST_PIN_NUMBER); + uint16_t value = adc_read(); + + // Map value to from 12 to 16 bits + return (value << 4); +} + +float common_hal_analogio_analogin_get_reference_voltage(analogio_analogin_obj_t *self) { + // The nominal VCC voltage + return 3.3f; +} diff --git a/ports/raspberrypi/common-hal/analogio/AnalogIn.h b/ports/raspberrypi/common-hal/analogio/AnalogIn.h new file mode 100644 index 0000000000..ee9976e348 --- /dev/null +++ b/ports/raspberrypi/common-hal/analogio/AnalogIn.h @@ -0,0 +1,41 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGIN_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGIN_H + +#include "common-hal/microcontroller/Pin.h" + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + const mcu_pin_obj_t * pin; +} analogio_analogin_obj_t; + +void analogin_init(void); + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGIN_H diff --git a/ports/raspberrypi/common-hal/analogio/AnalogOut.c b/ports/raspberrypi/common-hal/analogio/AnalogOut.c new file mode 100644 index 0000000000..adafa15d5c --- /dev/null +++ b/ports/raspberrypi/common-hal/analogio/AnalogOut.c @@ -0,0 +1,48 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Dan Halbert for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/analogio/AnalogOut.h" + +#include +#include + +#include "py/mperrno.h" +#include "py/runtime.h" +#include "supervisor/shared/translate.h" + +void common_hal_analogio_analogout_construct(analogio_analogout_obj_t* self, const mcu_pin_obj_t *pin) { + mp_raise_RuntimeError(translate("AnalogOut functionality not supported")); +} + +bool common_hal_analogio_analogout_deinited(analogio_analogout_obj_t *self) { + return true; +} + +void common_hal_analogio_analogout_deinit(analogio_analogout_obj_t *self) { +} + +void common_hal_analogio_analogout_set_value(analogio_analogout_obj_t *self, uint16_t value) { +} diff --git a/ports/raspberrypi/common-hal/analogio/AnalogOut.h b/ports/raspberrypi/common-hal/analogio/AnalogOut.h new file mode 100644 index 0000000000..7c7a61aa2d --- /dev/null +++ b/ports/raspberrypi/common-hal/analogio/AnalogOut.h @@ -0,0 +1,36 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Scott Shawcroft + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGOUT_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGOUT_H + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; +} analogio_analogout_obj_t; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGOUT_H diff --git a/ports/raspberrypi/common-hal/analogio/__init__.c b/ports/raspberrypi/common-hal/analogio/__init__.c new file mode 100644 index 0000000000..eea58c77d6 --- /dev/null +++ b/ports/raspberrypi/common-hal/analogio/__init__.c @@ -0,0 +1 @@ +// No analogio module functions. diff --git a/ports/raspberrypi/common-hal/board/__init__.c b/ports/raspberrypi/common-hal/board/__init__.c new file mode 100644 index 0000000000..3c7f30df22 --- /dev/null +++ b/ports/raspberrypi/common-hal/board/__init__.c @@ -0,0 +1,34 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include + +#include "py/runtime.h" +#include "py/mphal.h" +#include "common-hal/microcontroller/Pin.h" + +// Pins aren't actually defined here. They are in the board specific directory +// such as boards/arduino_zero/pins.c. diff --git a/ports/raspberrypi/common-hal/busio/I2C.c b/ports/raspberrypi/common-hal/busio/I2C.c new file mode 100644 index 0000000000..fa49e375e2 --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/I2C.c @@ -0,0 +1,175 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/busio/I2C.h" +#include "py/mperrno.h" +#include "py/runtime.h" + +#include "shared-bindings/microcontroller/__init__.h" +#include "supervisor/shared/translate.h" + +#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h" + +// Synopsys DW_apb_i2c (v2.01) IP + +#define NO_PIN 0xff + +STATIC bool never_reset_i2c[2]; +STATIC i2c_inst_t* i2c[2] = {i2c0, i2c1}; + +void reset_i2c(void) { + for (size_t i = 0; i < 2; i++) { + if (never_reset_i2c[i]) { + continue; + } + + i2c_deinit(i2c[i]); + } +} + +void common_hal_busio_i2c_construct(busio_i2c_obj_t *self, + const mcu_pin_obj_t* scl, const mcu_pin_obj_t* sda, uint32_t frequency, uint32_t timeout) { + self->peripheral = NULL; + // I2C pins have a regular pattern. SCL is always odd and SDA is even. They match up in pairs + // so we can divide by two to get the instance. This pattern repeats. + if (scl->number % 2 == 1 && sda->number % 2 == 0 && scl->number / 2 == sda->number / 2) { + size_t instance = (scl->number / 2) % 2; + self->peripheral = i2c[instance]; + } + if (self->peripheral == NULL) { + mp_raise_ValueError(translate("Invalid pins")); + } + if ((i2c_get_hw(self->peripheral)->enable & I2C_IC_ENABLE_ENABLE_BITS) != 0) { + mp_raise_ValueError(translate("I2C peripheral in use")); + } + if (frequency > 1000000) { + mp_raise_ValueError(translate("Unsupported baudrate")); + } + +#if CIRCUITPY_REQUIRE_I2C_PULLUPS + // Test that the pins are in a high state. (Hopefully indicating they are pulled up.) + gpio_set_function(sda->number, GPIO_FUNC_SIO); + gpio_set_function(scl->number, GPIO_FUNC_SIO); + gpio_set_dir(sda->number, GPIO_IN); + gpio_set_dir(scl->number, GPIO_IN); + + gpio_set_pulls(sda->number, false, true); + gpio_set_pulls(scl->number, false, true); + + common_hal_mcu_delay_us(10); + + gpio_set_pulls(sda->number, false, false); + gpio_set_pulls(scl->number, false, false); + + // We must pull up within 3us to achieve 400khz. + common_hal_mcu_delay_us(3); + + if (!gpio_get(sda->number) || !gpio_get(scl->number)) { + reset_pin_number(sda->number); + reset_pin_number(scl->number); + mp_raise_RuntimeError(translate("SDA or SCL needs a pull up")); + } +#endif + + gpio_set_function(sda->number, GPIO_FUNC_I2C); + gpio_set_function(scl->number, GPIO_FUNC_I2C); + + self->baudrate = i2c_init(self->peripheral, frequency); + + self->sda_pin = sda->number; + self->scl_pin = scl->number; + claim_pin(sda); + claim_pin(scl); +} + +bool common_hal_busio_i2c_deinited(busio_i2c_obj_t *self) { + return self->sda_pin == NO_PIN; +} + +void common_hal_busio_i2c_deinit(busio_i2c_obj_t *self) { + if (common_hal_busio_i2c_deinited(self)) { + return; + } + never_reset_i2c[i2c_hw_index(self->peripheral)] = false; + + i2c_deinit(self->peripheral); + + reset_pin_number(self->sda_pin); + reset_pin_number(self->scl_pin); + self->sda_pin = NO_PIN; + self->scl_pin = NO_PIN; +} + +bool common_hal_busio_i2c_probe(busio_i2c_obj_t *self, uint8_t addr) { + uint8_t fake_read = 0; + return i2c_read_blocking(self->peripheral, addr, &fake_read, 1, false) != PICO_ERROR_GENERIC; +} + +bool common_hal_busio_i2c_try_lock(busio_i2c_obj_t *self) { + bool grabbed_lock = false; + if (!self->has_lock) { + grabbed_lock = true; + self->has_lock = true; + } + return grabbed_lock; +} + +bool common_hal_busio_i2c_has_lock(busio_i2c_obj_t *self) { + return self->has_lock; +} + +void common_hal_busio_i2c_unlock(busio_i2c_obj_t *self) { + self->has_lock = false; +} + +uint8_t common_hal_busio_i2c_write(busio_i2c_obj_t *self, uint16_t addr, + const uint8_t *data, size_t len, bool transmit_stop_bit) { + int result = i2c_write_blocking(self->peripheral, addr, data, len, !transmit_stop_bit); + if (result == len) { + return 0; + } else if (result == PICO_ERROR_GENERIC) { + return MP_ENODEV; + } + return MP_EIO; +} + +uint8_t common_hal_busio_i2c_read(busio_i2c_obj_t *self, uint16_t addr, + uint8_t *data, size_t len) { + int result = i2c_read_blocking(self->peripheral, addr, data, len, false); + if (result == len) { + return 0; + } else if (result == PICO_ERROR_GENERIC) { + return MP_ENODEV; + } + return MP_EIO; +} + +void common_hal_busio_i2c_never_reset(busio_i2c_obj_t *self) { + never_reset_i2c[i2c_hw_index(self->peripheral)] = true; + + never_reset_pin_number(self->scl_pin); + never_reset_pin_number(self->sda_pin); +} diff --git a/ports/raspberrypi/common-hal/busio/I2C.h b/ports/raspberrypi/common-hal/busio/I2C.h new file mode 100644 index 0000000000..d09f29e54c --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/I2C.h @@ -0,0 +1,47 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_I2C_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_I2C_H + +#include "common-hal/microcontroller/Pin.h" + +#include "py/obj.h" + +#include "src/rp2_common/hardware_i2c/include/hardware/i2c.h" + +typedef struct { + mp_obj_base_t base; + i2c_inst_t * peripheral; + bool has_lock; + uint baudrate; + uint8_t scl_pin; + uint8_t sda_pin; +} busio_i2c_obj_t; + +void reset_i2c(void); + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_I2C_H diff --git a/ports/raspberrypi/common-hal/busio/OneWire.h b/ports/raspberrypi/common-hal/busio/OneWire.h new file mode 100644 index 0000000000..e27723ab2c --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/OneWire.h @@ -0,0 +1,33 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_ONEWIRE_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_ONEWIRE_H + +// Use bitbangio. +#include "shared-module/busio/OneWire.h" + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_ONEWIRE_H diff --git a/ports/raspberrypi/common-hal/busio/SPI.c b/ports/raspberrypi/common-hal/busio/SPI.c new file mode 100644 index 0000000000..b157ae3eb0 --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/SPI.c @@ -0,0 +1,294 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/busio/SPI.h" + +#include "lib/utils/interrupt_char.h" +#include "py/mperrno.h" +#include "py/runtime.h" + +#include "supervisor/board.h" +#include "common-hal/microcontroller/Pin.h" +#include "supervisor/shared/rgb_led_status.h" +#include "shared-bindings/microcontroller/Pin.h" + +#include "src/rp2_common/hardware_dma/include/hardware/dma.h" +#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h" + +#define NO_INSTANCE 0xff + +STATIC bool never_reset_spi[2]; +STATIC spi_inst_t* spi[2] = {spi0, spi1}; + +void reset_spi(void) { + for (size_t i = 0; i < 2; i++) { + if (never_reset_spi[i]) { + continue; + } + + spi_deinit(spi[i]); + } +} + +void common_hal_busio_spi_construct(busio_spi_obj_t *self, + const mcu_pin_obj_t * clock, const mcu_pin_obj_t * mosi, + const mcu_pin_obj_t * miso) { + size_t instance_index = NO_INSTANCE; + if (clock->number % 4 == 2) { + instance_index = (clock->number / 8) % 2; + } + if (mosi != NULL) { + // Make sure the set MOSI matches the clock settings. + if (mosi->number % 4 != 3 || + (mosi->number / 8) % 2 != instance_index) { + instance_index = NO_INSTANCE; + } + } + if (miso != NULL) { + // Make sure the set MOSI matches the clock settings. + if (miso->number % 4 != 0 || + (miso->number / 8) % 2 != instance_index) { + instance_index = NO_INSTANCE; + } + } + + // TODO: Check to see if we're sharing the SPI with a native APA102. + + if (instance_index > 1) { + mp_raise_ValueError(translate("Invalid pins")); + } + + if (instance_index == 0) { + self->peripheral = spi0; + } else if (instance_index == 1) { + self->peripheral = spi1; + } + + if ((spi_get_hw(self->peripheral)->cr1 & SPI_SSPCR1_SSE_BITS) != 0) { + mp_raise_ValueError(translate("SPI peripheral in use")); + } + + spi_init(self->peripheral, 250000); + + gpio_set_function(clock->number, GPIO_FUNC_SPI); + claim_pin(clock); + self->clock = clock; + + self->MOSI = mosi; + if (mosi != NULL) { + gpio_set_function(mosi->number, GPIO_FUNC_SPI); + claim_pin(mosi); + } + + self->MISO = miso; + if (miso != NULL) { + gpio_set_function(miso->number, GPIO_FUNC_SPI); + claim_pin(miso); + } +} + +void common_hal_busio_spi_never_reset(busio_spi_obj_t *self) { + never_reset_spi[spi_get_index(self->peripheral)] = true; + + common_hal_never_reset_pin(self->clock); + common_hal_never_reset_pin(self->MOSI); + common_hal_never_reset_pin(self->MISO); +} + +bool common_hal_busio_spi_deinited(busio_spi_obj_t *self) { + return self->clock == NULL; +} + +void common_hal_busio_spi_deinit(busio_spi_obj_t *self) { + if (common_hal_busio_spi_deinited(self)) { + return; + } + never_reset_spi[spi_get_index(self->peripheral)] = false; + spi_deinit(self->peripheral); + + common_hal_reset_pin(self->clock); + common_hal_reset_pin(self->MOSI); + common_hal_reset_pin(self->MISO); + self->clock = NULL; +} + +bool common_hal_busio_spi_configure(busio_spi_obj_t *self, + uint32_t baudrate, uint8_t polarity, uint8_t phase, uint8_t bits) { + if (baudrate == self->target_frequency && + polarity == self->polarity && + phase == self->phase && + bits == self->bits) { + return true; + } + + spi_set_format(self->peripheral, bits, polarity, phase, SPI_MSB_FIRST); + + self->polarity = polarity; + self->phase = phase; + self->bits = bits; + self->target_frequency = baudrate; + self->real_frequency = spi_set_baudrate(self->peripheral, baudrate); + + return true; +} + +bool common_hal_busio_spi_try_lock(busio_spi_obj_t *self) { + bool grabbed_lock = false; + if (!self->has_lock) { + grabbed_lock = true; + self->has_lock = true; + } + return grabbed_lock; +} + +bool common_hal_busio_spi_has_lock(busio_spi_obj_t *self) { + return self->has_lock; +} + +void common_hal_busio_spi_unlock(busio_spi_obj_t *self) { + self->has_lock = false; +} + +static bool _transfer(busio_spi_obj_t *self, + const uint8_t *data_out, size_t out_len, + uint8_t *data_in, size_t in_len) { + // Use DMA for large transfers if channels are available + const size_t dma_min_size_threshold = 32; + int chan_tx = -1; + int chan_rx = -1; + size_t len = MAX(out_len, in_len); + if (len >= dma_min_size_threshold) { + // Use two DMA channels to service the two FIFOs + chan_tx = dma_claim_unused_channel(false); + chan_rx = dma_claim_unused_channel(false); + } + bool use_dma = chan_rx >= 0 && chan_tx >= 0; + if (use_dma) { + dma_channel_config c = dma_channel_get_default_config(chan_tx); + channel_config_set_transfer_data_size(&c, DMA_SIZE_8); + channel_config_set_dreq(&c, spi_get_index(self->peripheral) ? DREQ_SPI1_TX : DREQ_SPI0_TX); + channel_config_set_read_increment(&c, out_len == len); + channel_config_set_write_increment(&c, false); + dma_channel_configure(chan_tx, &c, + &spi_get_hw(self->peripheral)->dr, + data_out, + len, + false); + + c = dma_channel_get_default_config(chan_rx); + channel_config_set_transfer_data_size(&c, DMA_SIZE_8); + channel_config_set_dreq(&c, spi_get_index(self->peripheral) ? DREQ_SPI1_RX : DREQ_SPI0_RX); + channel_config_set_read_increment(&c, false); + channel_config_set_write_increment(&c, in_len == len); + dma_channel_configure(chan_rx, &c, + data_in, + &spi_get_hw(self->peripheral)->dr, + len, + false); + + dma_start_channel_mask((1u << chan_rx) | (1u << chan_tx)); + while (dma_channel_is_busy(chan_rx) || dma_channel_is_busy(chan_tx)) { + // TODO: We should idle here until we get a DMA interrupt or something else. + RUN_BACKGROUND_TASKS; + if (mp_hal_is_interrupted()) { + if (dma_channel_is_busy(chan_rx)) { + dma_channel_abort(chan_rx); + } + if (dma_channel_is_busy(chan_tx)) { + dma_channel_abort(chan_tx); + } + break; + } + } + } + + // If we have claimed only one channel successfully, we should release immediately. This also + // releases the DMA after use_dma has been done. + if (chan_rx >= 0) { + dma_channel_unclaim(chan_rx); + } + if (chan_tx >= 0) { + dma_channel_unclaim(chan_tx); + } + + if (!use_dma && !mp_hal_is_interrupted()) { + // Use software for small transfers, or if couldn't claim two DMA channels + // Never have more transfers in flight than will fit into the RX FIFO, + // else FIFO will overflow if this code is heavily interrupted. + const size_t fifo_depth = 8; + size_t rx_remaining = len; + size_t tx_remaining = len; + + while (!mp_hal_is_interrupted() && (rx_remaining || tx_remaining)) { + if (tx_remaining && spi_is_writable(self->peripheral) && rx_remaining - tx_remaining < fifo_depth) { + spi_get_hw(self->peripheral)->dr = (uint32_t) *data_out; + // Increment only if the buffer is the transfer length. It's 1 otherwise. + if (out_len == len) { + data_out++; + } + --tx_remaining; + } + if (rx_remaining && spi_is_readable(self->peripheral)) { + *data_in = (uint8_t) spi_get_hw(self->peripheral)->dr; + // Increment only if the buffer is the transfer length. It's 1 otherwise. + if (in_len == len) { + data_in++; + } + --rx_remaining; + } + RUN_BACKGROUND_TASKS; + } + } + return true; +} + +bool common_hal_busio_spi_write(busio_spi_obj_t *self, + const uint8_t *data, size_t len) { + uint32_t data_in; + return _transfer(self, data, len, (uint8_t*) &data_in, MIN(len, 4)); +} + +bool common_hal_busio_spi_read(busio_spi_obj_t *self, + uint8_t *data, size_t len, uint8_t write_value) { + uint32_t data_out = write_value << 24 | write_value << 16 | write_value << 8 | write_value; + return _transfer(self, (const uint8_t*) &data_out, MIN(4, len), data, len); +} + +bool common_hal_busio_spi_transfer(busio_spi_obj_t *self, const uint8_t *data_out, uint8_t *data_in, size_t len) { + return _transfer(self, data_out, len, data_in, len); +} + +uint32_t common_hal_busio_spi_get_frequency(busio_spi_obj_t* self) { + return self->real_frequency; +} + +uint8_t common_hal_busio_spi_get_phase(busio_spi_obj_t* self) { + return self->phase; +} + +uint8_t common_hal_busio_spi_get_polarity(busio_spi_obj_t* self) { + return self->polarity; +} diff --git a/ports/raspberrypi/common-hal/busio/SPI.h b/ports/raspberrypi/common-hal/busio/SPI.h new file mode 100644 index 0000000000..981db46d41 --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/SPI.h @@ -0,0 +1,52 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_SPI_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_SPI_H + +#include "common-hal/microcontroller/Pin.h" + +#include "py/obj.h" + +#include "src/rp2_common/hardware_spi/include/hardware/spi.h" + +typedef struct { + mp_obj_base_t base; + spi_inst_t * peripheral; + bool has_lock; + const mcu_pin_obj_t* clock; + const mcu_pin_obj_t* MOSI; + const mcu_pin_obj_t* MISO; + uint32_t target_frequency; + int32_t real_frequency; + uint8_t polarity; + uint8_t phase; + uint8_t bits; +} busio_spi_obj_t; + +void reset_spi(void); + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_SPI_H diff --git a/ports/raspberrypi/common-hal/busio/UART.c b/ports/raspberrypi/common-hal/busio/UART.c new file mode 100644 index 0000000000..71da6cadd5 --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/UART.c @@ -0,0 +1,403 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/microcontroller/__init__.h" +#include "shared-bindings/busio/UART.h" + +#include "mpconfigport.h" +#include "lib/utils/interrupt_char.h" +#include "py/gc.h" +#include "py/mperrno.h" +#include "py/runtime.h" +#include "py/stream.h" +#include "supervisor/shared/translate.h" +#include "supervisor/shared/tick.h" + +#define UART_DEBUG(...) (void)0 +// #define UART_DEBUG(...) mp_printf(&mp_plat_print __VA_OPT__(,) __VA_ARGS__) + +// Do-nothing callback needed so that usart_async code will enable rx interrupts. +// See comment below re usart_async_register_callback() +// static void usart_async_rxc_callback(const struct usart_async_descriptor *const descr) { +// // Nothing needs to be done by us. +// } + +#define NO_PIN 0xff + +void common_hal_busio_uart_construct(busio_uart_obj_t *self, + const mcu_pin_obj_t * tx, const mcu_pin_obj_t * rx, + const mcu_pin_obj_t * rts, const mcu_pin_obj_t * cts, + const mcu_pin_obj_t * rs485_dir, bool rs485_invert, + uint32_t baudrate, uint8_t bits, busio_uart_parity_t parity, uint8_t stop, + mp_float_t timeout, uint16_t receiver_buffer_size, byte* receiver_buffer, + bool sigint_enabled) { + +// Sercom* sercom = NULL; +// uint8_t sercom_index = 255; // Unset index +// uint32_t rx_pinmux = 0; +// uint8_t rx_pad = 255; // Unset pad +// uint32_t tx_pinmux = 0; +// uint8_t tx_pad = 255; // Unset pad + +// if ((rts != NULL) || (cts != NULL) || (rs485_dir != NULL) || (rs485_invert)) { +// mp_raise_ValueError(translate("RTS/CTS/RS485 Not yet supported on this device")); +// } + +// if (bits > 8) { +// mp_raise_NotImplementedError(translate("bytes > 8 bits not supported")); +// } + +// bool have_tx = tx != NULL; +// bool have_rx = rx != NULL; +// if (!have_tx && !have_rx) { +// mp_raise_ValueError(translate("tx and rx cannot both be None")); +// } + +// self->baudrate = baudrate; +// self->character_bits = bits; +// self->timeout_ms = timeout * 1000; + +// // This assignment is only here because the usart_async routines take a *const argument. +// struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + +// for (int i = 0; i < NUM_SERCOMS_PER_PIN; i++) { +// Sercom* potential_sercom = NULL; +// if (have_tx) { +// sercom_index = tx->sercom[i].index; +// if (sercom_index >= SERCOM_INST_NUM) { +// continue; +// } +// potential_sercom = sercom_insts[sercom_index]; +// #ifdef SAMD21 +// if (potential_sercom->USART.CTRLA.bit.ENABLE != 0 || +// !(tx->sercom[i].pad == 0 || +// tx->sercom[i].pad == 2)) { +// continue; +// } +// #endif +// #ifdef SAM_D5X_E5X +// if (potential_sercom->USART.CTRLA.bit.ENABLE != 0 || +// !(tx->sercom[i].pad == 0)) { +// continue; +// } +// #endif +// tx_pinmux = PINMUX(tx->number, (i == 0) ? MUX_C : MUX_D); +// tx_pad = tx->sercom[i].pad; +// if (rx == NULL) { +// sercom = potential_sercom; +// break; +// } +// } +// for (int j = 0; j < NUM_SERCOMS_PER_PIN; j++) { +// if (((!have_tx && rx->sercom[j].index < SERCOM_INST_NUM && +// sercom_insts[rx->sercom[j].index]->USART.CTRLA.bit.ENABLE == 0) || +// sercom_index == rx->sercom[j].index) && +// rx->sercom[j].pad != tx_pad) { +// rx_pinmux = PINMUX(rx->number, (j == 0) ? MUX_C : MUX_D); +// rx_pad = rx->sercom[j].pad; +// sercom = sercom_insts[rx->sercom[j].index]; +// sercom_index = rx->sercom[j].index; +// break; +// } +// } +// if (sercom != NULL) { +// break; +// } +// } +// if (sercom == NULL) { +// mp_raise_ValueError(translate("Invalid pins")); +// } +// if (!have_tx) { +// tx_pad = 0; +// if (rx_pad == 0) { +// tx_pad = 2; +// } +// } +// if (!have_rx) { +// rx_pad = (tx_pad + 1) % 4; +// } + +// // Set up clocks on SERCOM. +// samd_peripherals_sercom_clock_init(sercom, sercom_index); + +// if (rx && receiver_buffer_size > 0) { +// self->buffer_length = receiver_buffer_size; +// // Initially allocate the UART's buffer in the long-lived part of the +// // heap. UARTs are generally long-lived objects, but the "make long- +// // lived" machinery is incapable of moving internal pointers like +// // self->buffer, so do it manually. (However, as long as internal +// // pointers like this are NOT moved, allocating the buffer +// // in the long-lived pool is not strictly necessary) +// self->buffer = (uint8_t *) gc_alloc(self->buffer_length * sizeof(uint8_t), false, true); +// if (self->buffer == NULL) { +// common_hal_busio_uart_deinit(self); +// mp_raise_msg_varg(&mp_type_MemoryError, translate("Failed to allocate RX buffer of %d bytes"), self->buffer_length * sizeof(uint8_t)); +// } +// } else { +// self->buffer_length = 0; +// self->buffer = NULL; +// } + +// if (usart_async_init(usart_desc_p, sercom, self->buffer, self->buffer_length, NULL) != ERR_NONE) { +// mp_raise_ValueError(translate("Could not initialize UART")); +// } + +// // usart_async_init() sets a number of defaults based on a prototypical SERCOM +// // which don't necessarily match what we need. After calling it, set the values +// // specific to this instantiation of UART. + +// // Set pads computed for this SERCOM. +// // TXPO: +// // 0x0: TX pad 0; no RTS/CTS +// // 0x1: TX pad 2; no RTS/CTS +// // 0x2: TX pad 0; RTS: pad 2, CTS: pad 3 (not used by us right now) +// // So divide by 2 to map pad to value. +// // RXPO: +// // 0x0: RX pad 0 +// // 0x1: RX pad 1 +// // 0x2: RX pad 2 +// // 0x3: RX pad 3 + +// // Doing a group mask and set of the registers saves 60 bytes over setting the bitfields individually. + +// sercom->USART.CTRLA.reg &= ~(SERCOM_USART_CTRLA_TXPO_Msk | +// SERCOM_USART_CTRLA_RXPO_Msk | +// SERCOM_USART_CTRLA_FORM_Msk); +// sercom->USART.CTRLA.reg |= SERCOM_USART_CTRLA_TXPO(tx_pad / 2) | +// SERCOM_USART_CTRLA_RXPO(rx_pad) | +// (parity == BUSIO_UART_PARITY_NONE ? 0 : SERCOM_USART_CTRLA_FORM(1)); + +// // Enable tx and/or rx based on whether the pins were specified. +// // CHSIZE is 0 for 8 bits, 5, 6, 7 for 5, 6, 7 bits. 1 for 9 bits, but we don't support that. +// sercom->USART.CTRLB.reg &= ~(SERCOM_USART_CTRLB_TXEN | +// SERCOM_USART_CTRLB_RXEN | +// SERCOM_USART_CTRLB_PMODE | +// SERCOM_USART_CTRLB_SBMODE | +// SERCOM_USART_CTRLB_CHSIZE_Msk); +// sercom->USART.CTRLB.reg |= (have_tx ? SERCOM_USART_CTRLB_TXEN : 0) | +// (have_rx ? SERCOM_USART_CTRLB_RXEN : 0) | +// (parity == BUSIO_UART_PARITY_ODD ? SERCOM_USART_CTRLB_PMODE : 0) | +// (stop > 1 ? SERCOM_USART_CTRLB_SBMODE : 0) | +// SERCOM_USART_CTRLB_CHSIZE(bits % 8); + +// // Set baud rate +// common_hal_busio_uart_set_baudrate(self, baudrate); + +// // Turn on rx interrupt handling. The UART async driver has its own set of internal callbacks, +// // which are set up by uart_async_init(). These in turn can call user-specified callbacks. +// // In fact, the actual interrupts are not enabled unless we set up a user-specified callback. +// // This is confusing. It's explained in the Atmel START User Guide -> Implementation Description -> +// // Different read function behavior in some asynchronous drivers. As of this writing: +// // http://start.atmel.com/static/help/index.html?GUID-79201A5A-226F-4FBB-B0B8-AB0BE0554836 +// // Look at the ASFv4 code example for async USART. +// usart_async_register_callback(usart_desc_p, USART_ASYNC_RXC_CB, usart_async_rxc_callback); + + +// if (have_tx) { +// gpio_set_pin_direction(tx->number, GPIO_DIRECTION_OUT); +// gpio_set_pin_pull_mode(tx->number, GPIO_PULL_OFF); +// gpio_set_pin_function(tx->number, tx_pinmux); +// self->tx_pin = tx->number; +// claim_pin(tx); +// } else { +// self->tx_pin = NO_PIN; +// } + +// if (have_rx) { +// gpio_set_pin_direction(rx->number, GPIO_DIRECTION_IN); +// gpio_set_pin_pull_mode(rx->number, GPIO_PULL_OFF); +// gpio_set_pin_function(rx->number, rx_pinmux); +// self->rx_pin = rx->number; +// claim_pin(rx); +// } else { +// self->rx_pin = NO_PIN; +// } + +// usart_async_enable(usart_desc_p); +} + +bool common_hal_busio_uart_deinited(busio_uart_obj_t *self) { + return self->rx_pin == NO_PIN && self->tx_pin == NO_PIN; +} + +void common_hal_busio_uart_deinit(busio_uart_obj_t *self) { + if (common_hal_busio_uart_deinited(self)) { + return; + } + // This assignment is only here because the usart_async routines take a *const argument. + // struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + // usart_async_disable(usart_desc_p); + // usart_async_deinit(usart_desc_p); + reset_pin_number(self->rx_pin); + reset_pin_number(self->tx_pin); + self->rx_pin = NO_PIN; + self->tx_pin = NO_PIN; +} + +// Read characters. +size_t common_hal_busio_uart_read(busio_uart_obj_t *self, uint8_t *data, size_t len, int *errcode) { + if (self->rx_pin == NO_PIN) { + mp_raise_ValueError(translate("No RX pin")); + } + + // This assignment is only here because the usart_async routines take a *const argument. + // struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + + if (len == 0) { + // Nothing to read. + return 0; + } + + // struct io_descriptor *io; + // usart_async_get_io_descriptor(usart_desc_p, &io); + + size_t total_read = 0; + // uint64_t start_ticks = supervisor_ticks_ms64(); + + // // Busy-wait until timeout or until we've read enough chars. + // while (supervisor_ticks_ms64() - start_ticks <= self->timeout_ms) { + // // Read as many chars as we can right now, up to len. + // size_t num_read = io_read(io, data, len); + + // // Advance pointer in data buffer, and decrease how many chars left to read. + // data += num_read; + // len -= num_read; + // total_read += num_read; + // if (len == 0) { + // // Don't need to read any more: data buf is full. + // break; + // } + // if (num_read > 0) { + // // Reset the timeout on every character read. + // start_ticks = supervisor_ticks_ms64(); + // } + // RUN_BACKGROUND_TASKS; + // // Allow user to break out of a timeout with a KeyboardInterrupt. + // if (mp_hal_is_interrupted()) { + // break; + // } + // // If we are zero timeout, make sure we don't loop again (in the event + // // we read in under 1ms) + // if (self->timeout_ms == 0) { + // break; + // } + // } + + // if (total_read == 0) { + // *errcode = EAGAIN; + // return MP_STREAM_ERROR; + // } + + return total_read; +} + +// Write characters. +size_t common_hal_busio_uart_write(busio_uart_obj_t *self, const uint8_t *data, size_t len, int *errcode) { + if (self->tx_pin == NO_PIN) { + mp_raise_ValueError(translate("No TX pin")); + } + + // This assignment is only here because the usart_async routines take a *const argument. + // struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + + // struct io_descriptor *io; + // usart_async_get_io_descriptor(usart_desc_p, &io); + + // // Start writing characters. This is non-blocking and will + // // return immediately after setting up the write. + // if (io_write(io, data, len) < 0) { + // *errcode = MP_EAGAIN; + // return MP_STREAM_ERROR; + // } + + // // Busy-wait until all characters transmitted. + // struct usart_async_status async_status; + // while (true) { + // usart_async_get_status(usart_desc_p, &async_status); + // if (async_status.txcnt >= len) { + // break; + // } + // RUN_BACKGROUND_TASKS; + // } + + return len; +} + +uint32_t common_hal_busio_uart_get_baudrate(busio_uart_obj_t *self) { + return self->baudrate; +} + +void common_hal_busio_uart_set_baudrate(busio_uart_obj_t *self, uint32_t baudrate) { + // This assignment is only here because the usart_async routines take a *const argument. + // struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + // usart_async_set_baud_rate(usart_desc_p, + // // Samples and ARITHMETIC vs FRACTIONAL must correspond to USART_SAMPR in + // // hpl_sercom_config.h. + // _usart_async_calculate_baud_rate(baudrate, // e.g. 9600 baud + // PROTOTYPE_SERCOM_USART_ASYNC_CLOCK_FREQUENCY, + // 16, // samples + // USART_BAUDRATE_ASYNCH_ARITHMETIC, + // 0 // fraction - not used for ARITHMETIC + // )); + self->baudrate = baudrate; +} + +mp_float_t common_hal_busio_uart_get_timeout(busio_uart_obj_t *self) { + return (mp_float_t) (self->timeout_ms / 1000.0f); +} + +void common_hal_busio_uart_set_timeout(busio_uart_obj_t *self, mp_float_t timeout) { + self->timeout_ms = timeout * 1000; +} + +uint32_t common_hal_busio_uart_rx_characters_available(busio_uart_obj_t *self) { + // This assignment is only here because the usart_async routines take a *const argument. + // struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + // struct usart_async_status async_status; + // usart_async_get_status(usart_desc_p, &async_status); + // return async_status.rxcnt; + return 0; +} + +void common_hal_busio_uart_clear_rx_buffer(busio_uart_obj_t *self) { + // This assignment is only here because the usart_async routines take a *const argument. + // struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + // usart_async_flush_rx_buffer(usart_desc_p); + +} + +// True if there are no characters still to be written. +bool common_hal_busio_uart_ready_to_tx(busio_uart_obj_t *self) { + if (self->tx_pin == NO_PIN) { + return false; + } + return false; + // // This assignment is only here because the usart_async routines take a *const argument. + // struct usart_async_descriptor * const usart_desc_p = (struct usart_async_descriptor * const) &self->usart_desc; + // struct usart_async_status async_status; + // usart_async_get_status(usart_desc_p, &async_status); + // return !(async_status.flags & USART_ASYNC_STATUS_BUSY); +} diff --git a/ports/raspberrypi/common-hal/busio/UART.h b/ports/raspberrypi/common-hal/busio/UART.h new file mode 100644 index 0000000000..43ed9bee01 --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/UART.h @@ -0,0 +1,47 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_UART_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_UART_H + +#include "common-hal/microcontroller/Pin.h" + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + // struct usart_async_descriptor usart_desc; + uint8_t rx_pin; + uint8_t tx_pin; + uint8_t character_bits; + bool rx_error; + uint32_t baudrate; + uint32_t timeout_ms; + uint32_t buffer_length; + uint8_t* buffer; +} busio_uart_obj_t; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_BUSIO_UART_H diff --git a/ports/raspberrypi/common-hal/busio/__init__.c b/ports/raspberrypi/common-hal/busio/__init__.c new file mode 100644 index 0000000000..41761b6743 --- /dev/null +++ b/ports/raspberrypi/common-hal/busio/__init__.c @@ -0,0 +1 @@ +// No busio module functions. diff --git a/ports/raspberrypi/common-hal/digitalio/DigitalInOut.c b/ports/raspberrypi/common-hal/digitalio/DigitalInOut.c new file mode 100644 index 0000000000..06f0cfdd27 --- /dev/null +++ b/ports/raspberrypi/common-hal/digitalio/DigitalInOut.c @@ -0,0 +1,157 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include +#include + +#include "py/runtime.h" +#include "py/mphal.h" + +#include "common-hal/microcontroller/Pin.h" +#include "shared-bindings/digitalio/DigitalInOut.h" +#include "supervisor/shared/translate.h" + +#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h" + +digitalinout_result_t common_hal_digitalio_digitalinout_construct( + digitalio_digitalinout_obj_t* self, const mcu_pin_obj_t* pin) { + claim_pin(pin); + self->pin = pin; + self->output = false; + self->open_drain = false; + + gpio_init(pin->number); + return DIGITALINOUT_OK; +} + +void common_hal_digitalio_digitalinout_never_reset( + digitalio_digitalinout_obj_t *self) { + never_reset_pin_number(self->pin->number); +} + +bool common_hal_digitalio_digitalinout_deinited(digitalio_digitalinout_obj_t* self) { + return self->pin == NULL; +} + +void common_hal_digitalio_digitalinout_deinit(digitalio_digitalinout_obj_t* self) { + if (common_hal_digitalio_digitalinout_deinited(self)) { + return; + } + reset_pin_number(self->pin->number); + self->pin = NULL; +} + +void common_hal_digitalio_digitalinout_switch_to_input( + digitalio_digitalinout_obj_t* self, digitalio_pull_t pull) { + self->output = false; + // This also sets direction to input. + common_hal_digitalio_digitalinout_set_pull(self, pull); +} + +digitalinout_result_t common_hal_digitalio_digitalinout_switch_to_output( + digitalio_digitalinout_obj_t* self, bool value, + digitalio_drive_mode_t drive_mode) { + const uint8_t pin = self->pin->number; + gpio_set_dir(pin, GPIO_OUT); + // Turn on "strong" pin driving (more current available). See DRVSTR doc in datasheet. + // hri_port_set_PINCFG_DRVSTR_bit(PORT, (enum gpio_port)GPIO_PORT(pin), GPIO_PIN(pin)); + + self->output = true; + common_hal_digitalio_digitalinout_set_drive_mode(self, drive_mode); + common_hal_digitalio_digitalinout_set_value(self, value); + return DIGITALINOUT_OK; +} + +digitalio_direction_t common_hal_digitalio_digitalinout_get_direction( + digitalio_digitalinout_obj_t* self) { + return self->output ? DIRECTION_OUTPUT : DIRECTION_INPUT; +} + +void common_hal_digitalio_digitalinout_set_value( + digitalio_digitalinout_obj_t* self, bool value) { + const uint8_t pin = self->pin->number; + if (self->open_drain) { + gpio_set_dir(pin, value ? GPIO_IN : GPIO_OUT); + } else { + gpio_put(pin, value); + } +} + +bool common_hal_digitalio_digitalinout_get_value( + digitalio_digitalinout_obj_t* self) { + return gpio_get(self->pin->number); +} + +digitalinout_result_t common_hal_digitalio_digitalinout_set_drive_mode( + digitalio_digitalinout_obj_t* self, + digitalio_drive_mode_t drive_mode) { + const uint8_t pin = self->pin->number; + bool value = common_hal_digitalio_digitalinout_get_value(self); + self->open_drain = drive_mode == DRIVE_MODE_OPEN_DRAIN; + if (self->open_drain) { + gpio_put(pin, false); + } + // True is implemented differently between modes so reset the value to make + // sure it's correct for the new mode. + if (value) { + common_hal_digitalio_digitalinout_set_value(self, value); + } + return DIGITALINOUT_OK; +} + +digitalio_drive_mode_t common_hal_digitalio_digitalinout_get_drive_mode( + digitalio_digitalinout_obj_t* self) { + if (self->open_drain) { + return DRIVE_MODE_OPEN_DRAIN; + } else { + return DRIVE_MODE_PUSH_PULL; + } +} + +void common_hal_digitalio_digitalinout_set_pull( + digitalio_digitalinout_obj_t* self, digitalio_pull_t pull) { + const uint8_t pin = self->pin->number; + gpio_set_pulls(pin, pull == PULL_UP, pull == PULL_DOWN); + gpio_set_dir(pin, GPIO_IN); +} + +digitalio_pull_t common_hal_digitalio_digitalinout_get_pull( + digitalio_digitalinout_obj_t* self) { + // uint32_t pin = self->pin->number; + // if (self->output) { + // mp_raise_AttributeError(translate("Cannot get pull while in output mode")); + // return PULL_NONE; + // } else { + // if (hri_port_get_PINCFG_PULLEN_bit(PORT, GPIO_PORT(pin), GPIO_PIN(pin)) == 0) { + // return PULL_NONE; + // } if (hri_port_get_OUT_reg(PORT, GPIO_PORT(pin), 1U << GPIO_PIN(pin)) > 0) { + // return PULL_UP; + // } else { + // return PULL_DOWN; + // } + // } + return PULL_NONE; +} diff --git a/ports/raspberrypi/common-hal/digitalio/DigitalInOut.h b/ports/raspberrypi/common-hal/digitalio/DigitalInOut.h new file mode 100644 index 0000000000..8b14bbad8f --- /dev/null +++ b/ports/raspberrypi/common-hal/digitalio/DigitalInOut.h @@ -0,0 +1,40 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_DIGITALIO_DIGITALINOUT_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_DIGITALIO_DIGITALINOUT_H + +#include "common-hal/microcontroller/Pin.h" +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + const mcu_pin_obj_t * pin; + bool output; + bool open_drain; +} digitalio_digitalinout_obj_t; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_DIGITALIO_DIGITALINOUT_H diff --git a/ports/raspberrypi/common-hal/digitalio/__init__.c b/ports/raspberrypi/common-hal/digitalio/__init__.c new file mode 100644 index 0000000000..20fad45959 --- /dev/null +++ b/ports/raspberrypi/common-hal/digitalio/__init__.c @@ -0,0 +1 @@ +// No digitalio module functions. diff --git a/ports/raspberrypi/common-hal/displayio/ParallelBus.c b/ports/raspberrypi/common-hal/displayio/ParallelBus.c new file mode 100644 index 0000000000..57b2ffc36b --- /dev/null +++ b/ports/raspberrypi/common-hal/displayio/ParallelBus.c @@ -0,0 +1,68 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/displayio/ParallelBus.h" + +#include + +#include "common-hal/microcontroller/Pin.h" +#include "py/runtime.h" +#include "shared-bindings/digitalio/DigitalInOut.h" +#include "shared-bindings/microcontroller/__init__.h" + +void common_hal_displayio_parallelbus_construct(displayio_parallelbus_obj_t* self, + const mcu_pin_obj_t* data0, const mcu_pin_obj_t* command, const mcu_pin_obj_t* chip_select, + const mcu_pin_obj_t* write, const mcu_pin_obj_t* read, const mcu_pin_obj_t* reset) { + + mp_raise_NotImplementedError(translate("ParallelBus not yet supported")); + // TODO: Implement with PIO and DMA. +} + +void common_hal_displayio_parallelbus_deinit(displayio_parallelbus_obj_t* self) { + +} + +bool common_hal_displayio_parallelbus_reset(mp_obj_t obj) { + return false; +} + +bool common_hal_displayio_parallelbus_bus_free(mp_obj_t obj) { + return false; +} + +bool common_hal_displayio_parallelbus_begin_transaction(mp_obj_t obj) { + + return false; +} + +void common_hal_displayio_parallelbus_send(mp_obj_t obj, display_byte_type_t byte_type, + display_chip_select_behavior_t chip_select, const uint8_t *data, uint32_t data_length) { + +} + +void common_hal_displayio_parallelbus_end_transaction(mp_obj_t obj) { + +} diff --git a/ports/raspberrypi/common-hal/displayio/ParallelBus.h b/ports/raspberrypi/common-hal/displayio/ParallelBus.h new file mode 100644 index 0000000000..45989d9900 --- /dev/null +++ b/ports/raspberrypi/common-hal/displayio/ParallelBus.h @@ -0,0 +1,36 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_DISPLAYIO_PARALLELBUS_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_DISPLAYIO_PARALLELBUS_H + +#include "common-hal/digitalio/DigitalInOut.h" + +typedef struct { + mp_obj_base_t base; +} displayio_parallelbus_obj_t; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_DISPLAYIO_PARALLELBUS_H diff --git a/ports/raspberrypi/common-hal/microcontroller/Pin.c b/ports/raspberrypi/common-hal/microcontroller/Pin.c new file mode 100644 index 0000000000..90c3274067 --- /dev/null +++ b/ports/raspberrypi/common-hal/microcontroller/Pin.c @@ -0,0 +1,190 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "py/runtime.h" + +#include "shared-bindings/microcontroller/Pin.h" + +#include "supervisor/shared/rgb_led_status.h" + +#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h" + +#ifdef MICROPY_HW_NEOPIXEL +bool neopixel_in_use; +#endif +#ifdef MICROPY_HW_APA102_MOSI +bool apa102_sck_in_use; +bool apa102_mosi_in_use; +#endif +#ifdef SPEAKER_ENABLE_PIN +bool speaker_enable_in_use; +#endif + +STATIC uint32_t never_reset_pins; + +void reset_all_pins(void) { + for (size_t i = 0; i < 30; i++) { + if ((never_reset_pins & (1 << i)) != 0) { + continue; + } + reset_pin_number(i); + } +} + +void never_reset_pin_number(uint8_t pin_number) { + if (pin_number >= 32) { + return; + } + + never_reset_pins |= 1 << pin_number; +} + +void reset_pin_number(uint8_t pin_number) { + if (pin_number >= 32 +#if TUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX + // Pin 15 is used for Errata so we don't mess with it. + || pin_number == 15 +#endif + ) { + return; + } + + never_reset_pins &= ~(1 << pin_number); + + // We are very aggressive in shutting down the pad fully. Both pulls are + // disabled and both buffers are as well. + gpio_init(pin_number); + hw_clear_bits(&padsbank0_hw->io[pin_number], PADS_BANK0_GPIO0_IE_BITS | + PADS_BANK0_GPIO0_PUE_BITS | + PADS_BANK0_GPIO0_PDE_BITS); + hw_set_bits(&padsbank0_hw->io[pin_number], PADS_BANK0_GPIO0_OD_BITS); + + #ifdef MICROPY_HW_NEOPIXEL + if (pin_number == MICROPY_HW_NEOPIXEL->number) { + neopixel_in_use = false; + rgb_led_status_init(); + return; + } + #endif + #ifdef MICROPY_HW_APA102_MOSI + if (pin_number == MICROPY_HW_APA102_MOSI->number || + pin_number == MICROPY_HW_APA102_SCK->number) { + apa102_mosi_in_use = apa102_mosi_in_use && pin_number != MICROPY_HW_APA102_MOSI->number; + apa102_sck_in_use = apa102_sck_in_use && pin_number != MICROPY_HW_APA102_SCK->number; + if (!apa102_sck_in_use && !apa102_mosi_in_use) { + rgb_led_status_init(); + } + return; + } + #endif + + #ifdef SPEAKER_ENABLE_PIN + if (pin_number == SPEAKER_ENABLE_PIN->number) { + speaker_enable_in_use = false; + } + #endif +} + +void common_hal_never_reset_pin(const mcu_pin_obj_t* pin) { + never_reset_pin_number(pin->number); +} + +void common_hal_reset_pin(const mcu_pin_obj_t* pin) { + reset_pin_number(pin->number); +} + +void claim_pin(const mcu_pin_obj_t* pin) { + #ifdef MICROPY_HW_NEOPIXEL + if (pin == MICROPY_HW_NEOPIXEL) { + neopixel_in_use = true; + } + #endif + #ifdef MICROPY_HW_APA102_MOSI + if (pin == MICROPY_HW_APA102_MOSI) { + apa102_mosi_in_use = true; + } + if (pin == MICROPY_HW_APA102_SCK) { + apa102_sck_in_use = true; + } + #endif + + #ifdef SPEAKER_ENABLE_PIN + if (pin == SPEAKER_ENABLE_PIN) { + speaker_enable_in_use = true; + } + #endif +} + +bool pin_number_is_free(uint8_t pin_number) { + if (pin_number >= 30) { + return false; + } +#if TUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX + // Pin 15 is used for Errata so we don't mess with it. + if (pin_number == 15) { + return true; + } +#endif + uint32_t pad_state = padsbank0_hw->io[pin_number]; + return (pad_state & PADS_BANK0_GPIO0_IE_BITS) == 0 && + (pad_state & PADS_BANK0_GPIO0_OD_BITS) != 0; +} + +bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t* pin) { + #ifdef MICROPY_HW_NEOPIXEL + if (pin == MICROPY_HW_NEOPIXEL) { + return !neopixel_in_use; + } + #endif + #ifdef MICROPY_HW_APA102_MOSI + if (pin == MICROPY_HW_APA102_MOSI) { + return !apa102_mosi_in_use; + } + if (pin == MICROPY_HW_APA102_SCK) { + return !apa102_sck_in_use; + } + #endif + + #ifdef SPEAKER_ENABLE_PIN + if (pin == SPEAKER_ENABLE_PIN) { + return !speaker_enable_in_use; + } + #endif + + return pin_number_is_free(pin->number); +} + +uint8_t common_hal_mcu_pin_number(const mcu_pin_obj_t* pin) { + return pin->number; +} + +void common_hal_mcu_pin_claim(const mcu_pin_obj_t* pin) { + return claim_pin(pin); +} + +void common_hal_mcu_pin_reset_number(uint8_t pin_no) { + reset_pin_number(pin_no); +} diff --git a/ports/raspberrypi/common-hal/microcontroller/Pin.h b/ports/raspberrypi/common-hal/microcontroller/Pin.h new file mode 100644 index 0000000000..07c3211850 --- /dev/null +++ b/ports/raspberrypi/common-hal/microcontroller/Pin.h @@ -0,0 +1,53 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PIN_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PIN_H + +#include +#include + +#include + +#include "peripherals/pins.h" + +#ifdef MICROPY_HW_NEOPIXEL +extern bool neopixel_in_use; +#endif +#ifdef MICROPY_HW_APA102_MOSI +extern bool apa102_sck_in_use; +extern bool apa102_mosi_in_use; +#endif + +void reset_all_pins(void); +// reset_pin_number takes the pin number instead of the pointer so that objects don't +// need to store a full pointer. +void reset_pin_number(uint8_t pin_number); +void never_reset_pin_number(uint8_t pin_number); +void claim_pin(const mcu_pin_obj_t* pin); +bool pin_number_is_free(uint8_t pin_number); + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PIN_H diff --git a/ports/raspberrypi/common-hal/microcontroller/Processor.c b/ports/raspberrypi/common-hal/microcontroller/Processor.c new file mode 100644 index 0000000000..0ad3a51e28 --- /dev/null +++ b/ports/raspberrypi/common-hal/microcontroller/Processor.c @@ -0,0 +1,66 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include + +#include "py/mphal.h" +#include "common-hal/microcontroller/Processor.h" +#include "shared-bindings/microcontroller/ResetReason.h" + +#include "src/rp2_common/hardware_adc/include/hardware/adc.h" +#include "src/rp2_common/hardware_clocks/include/hardware/clocks.h" + +float common_hal_mcu_processor_get_temperature(void) { + adc_init(); + adc_set_temp_sensor_enabled(true); + adc_select_input(4); + uint16_t value = adc_read(); + adc_set_temp_sensor_enabled(false); + float voltage = value * 3.3 / (1 << 12); + // TODO: turn the ADC back off + return 27 - (voltage - 0.706) / 0.001721; +} + +float common_hal_mcu_processor_get_voltage(void) { + return 3.3f; +} + +uint32_t common_hal_mcu_processor_get_frequency(void) { + return clock_get_hz(clk_sys); +} + +void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) { + // TODO: get the unique id from the flash. The chip itself doesn't have one. + // for (int i=0; i<4; i++) { + // for (int k=0; k<4; k++) { + // raw_id[4 * i + k] = (*(id_addresses[i]) >> k * 8) & 0xff; + // } + // } +} + +mcu_reset_reason_t common_hal_mcu_processor_get_reset_reason(void) { + return RESET_REASON_UNKNOWN; +} diff --git a/ports/raspberrypi/common-hal/microcontroller/Processor.h b/ports/raspberrypi/common-hal/microcontroller/Processor.h new file mode 100644 index 0000000000..b7c86e8506 --- /dev/null +++ b/ports/raspberrypi/common-hal/microcontroller/Processor.h @@ -0,0 +1,39 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PROCESSOR_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PROCESSOR_H + +#define COMMON_HAL_MCU_PROCESSOR_UID_LENGTH 16 + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + // Stores no state currently. +} mcu_processor_obj_t; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER_PROCESSOR_H diff --git a/ports/raspberrypi/common-hal/microcontroller/__init__.c b/ports/raspberrypi/common-hal/microcontroller/__init__.c new file mode 100644 index 0000000000..e454ffa1b7 --- /dev/null +++ b/ports/raspberrypi/common-hal/microcontroller/__init__.c @@ -0,0 +1,148 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "py/mphal.h" +#include "py/obj.h" +#include "py/runtime.h" + +#include "common-hal/microcontroller/__init__.h" +#if CIRCUITPY_NVM +#include "shared-bindings/nvm/ByteArray.h" +#endif +#include "shared-bindings/microcontroller/__init__.h" +#include "shared-bindings/microcontroller/Pin.h" +#include "shared-bindings/microcontroller/Processor.h" +#include "supervisor/shared/safe_mode.h" +#include "supervisor/shared/translate.h" + +#include "src/rp2040/hardware_structs/include/hardware/structs/sio.h" +#include "src/rp2_common/hardware_sync/include/hardware/sync.h" + +void common_hal_mcu_delay_us(uint32_t delay) { + mp_hal_delay_us(delay); +} + +volatile uint32_t nesting_count = 0; +void common_hal_mcu_disable_interrupts(void) { + // We don't use save_and_disable_interrupts() from the sdk because we don't want to worry about PRIMASK. + // This is what we do on the SAMD21 via CMSIS. + asm volatile ("cpsid i" : : : "memory"); + __dmb(); + nesting_count++; +} + +void common_hal_mcu_enable_interrupts(void) { + if (nesting_count == 0) { + // reset_into_safe_mode(LOCKING_ERROR); + } + nesting_count--; + if (nesting_count > 0) { + return; + } + __dmb(); + asm volatile ("cpsie i" : : : "memory"); +} + +void common_hal_mcu_on_next_reset(mcu_runmode_t runmode) { + if (runmode == RUNMODE_BOOTLOADER) { + } else { + } + if (runmode == RUNMODE_SAFE_MODE) { + safe_mode_on_next_reset(PROGRAMMATIC_SAFE_MODE); + } +} + +void common_hal_mcu_reset(void) { +} + +// The singleton microcontroller.Processor object, bound to microcontroller.cpu +// It currently only has properties, and no state. +static const mcu_processor_obj_t processor0 = { + .base = { + .type = &mcu_processor_type, + }, +}; + +static const mcu_processor_obj_t processor1 = { + .base = { + .type = &mcu_processor_type, + }, +}; + +const mp_rom_obj_tuple_t common_hal_mcu_processor_obj = { + {&mp_type_tuple}, + CIRCUITPY_PROCESSOR_COUNT, + { + MP_ROM_PTR(&processor0), + MP_ROM_PTR(&processor1) + } +}; + +#if CIRCUITPY_NVM && CIRCUITPY_INTERNAL_NVM_SIZE > 0 +// The singleton nvm.ByteArray object. +const nvm_bytearray_obj_t common_hal_mcu_nvm_obj = { + .base = { + .type = &nvm_bytearray_type, + }, + .len = CIRCUITPY_INTERNAL_NVM_SIZE, + .start_address = (uint8_t*) (CIRCUITPY_INTERNAL_NVM_START_ADDR) +}; +#endif + +// This maps MCU pin names to pin objects. +const mp_rom_map_elem_t mcu_pin_global_dict_table[TOTAL_GPIO_COUNT] = { + { MP_ROM_QSTR(MP_QSTR_GPIO0), MP_ROM_PTR(&pin_GPIO0) }, + { MP_ROM_QSTR(MP_QSTR_GPIO1), MP_ROM_PTR(&pin_GPIO1) }, + { MP_ROM_QSTR(MP_QSTR_GPIO2), MP_ROM_PTR(&pin_GPIO2) }, + { MP_ROM_QSTR(MP_QSTR_GPIO3), MP_ROM_PTR(&pin_GPIO3) }, + { MP_ROM_QSTR(MP_QSTR_GPIO4), MP_ROM_PTR(&pin_GPIO4) }, + { MP_ROM_QSTR(MP_QSTR_GPIO5), MP_ROM_PTR(&pin_GPIO5) }, + { MP_ROM_QSTR(MP_QSTR_GPIO6), MP_ROM_PTR(&pin_GPIO6) }, + { MP_ROM_QSTR(MP_QSTR_GPIO7), MP_ROM_PTR(&pin_GPIO7) }, + { MP_ROM_QSTR(MP_QSTR_GPIO8), MP_ROM_PTR(&pin_GPIO8) }, + { MP_ROM_QSTR(MP_QSTR_GPIO9), MP_ROM_PTR(&pin_GPIO9) }, + { MP_ROM_QSTR(MP_QSTR_GPIO10), MP_ROM_PTR(&pin_GPIO10) }, + { MP_ROM_QSTR(MP_QSTR_GPIO11), MP_ROM_PTR(&pin_GPIO11) }, + { MP_ROM_QSTR(MP_QSTR_GPIO12), MP_ROM_PTR(&pin_GPIO12) }, + { MP_ROM_QSTR(MP_QSTR_GPIO13), MP_ROM_PTR(&pin_GPIO13) }, + { MP_ROM_QSTR(MP_QSTR_GPIO14), MP_ROM_PTR(&pin_GPIO14) }, + { MP_ROM_QSTR(MP_QSTR_GPIO15), MP_ROM_PTR(&pin_GPIO15) }, + { MP_ROM_QSTR(MP_QSTR_GPIO16), MP_ROM_PTR(&pin_GPIO16) }, + { MP_ROM_QSTR(MP_QSTR_GPIO17), MP_ROM_PTR(&pin_GPIO17) }, + { MP_ROM_QSTR(MP_QSTR_GPIO18), MP_ROM_PTR(&pin_GPIO18) }, + { MP_ROM_QSTR(MP_QSTR_GPIO19), MP_ROM_PTR(&pin_GPIO19) }, + { MP_ROM_QSTR(MP_QSTR_GPIO20), MP_ROM_PTR(&pin_GPIO20) }, + { MP_ROM_QSTR(MP_QSTR_GPIO21), MP_ROM_PTR(&pin_GPIO21) }, + { MP_ROM_QSTR(MP_QSTR_GPIO22), MP_ROM_PTR(&pin_GPIO22) }, + { MP_ROM_QSTR(MP_QSTR_GPIO23), MP_ROM_PTR(&pin_GPIO23) }, + { MP_ROM_QSTR(MP_QSTR_GPIO24), MP_ROM_PTR(&pin_GPIO24) }, + { MP_ROM_QSTR(MP_QSTR_GPIO25), MP_ROM_PTR(&pin_GPIO25) }, + { MP_ROM_QSTR(MP_QSTR_GPIO26), MP_ROM_PTR(&pin_GPIO26) }, + { MP_ROM_QSTR(MP_QSTR_GPIO27), MP_ROM_PTR(&pin_GPIO27) }, + { MP_ROM_QSTR(MP_QSTR_GPIO28), MP_ROM_PTR(&pin_GPIO28) }, + { MP_ROM_QSTR(MP_QSTR_GPIO29), MP_ROM_PTR(&pin_GPIO29) }, +}; +MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_global_dict_table); diff --git a/ports/raspberrypi/common-hal/microcontroller/__init__.h b/ports/raspberrypi/common-hal/microcontroller/__init__.h new file mode 100644 index 0000000000..cc509b6b12 --- /dev/null +++ b/ports/raspberrypi/common-hal/microcontroller/__init__.h @@ -0,0 +1,36 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER___INIT___H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER___INIT___H + +#include "src/rp2040/hardware_regs/include/hardware/platform_defs.h" + +#define TOTAL_GPIO_COUNT NUM_BANK0_GPIOS + +extern const mp_rom_map_elem_t mcu_pin_global_dict_table[TOTAL_GPIO_COUNT]; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_MICROCONTROLLER___INIT___H diff --git a/ports/raspberrypi/common-hal/neopixel_write/__init__.c b/ports/raspberrypi/common-hal/neopixel_write/__init__.c new file mode 100644 index 0000000000..10462b5a33 --- /dev/null +++ b/ports/raspberrypi/common-hal/neopixel_write/__init__.c @@ -0,0 +1,95 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "shared-bindings/neopixel_write/__init__.h" + +#include "bindings/rp2pio/StateMachine.h" +#include "common-hal/rp2pio/StateMachine.h" +#include "shared-bindings/microcontroller/__init__.h" + +#include "supervisor/port.h" + +uint64_t next_start_raw_ticks = 0; + +// NeoPixels are 800khz bit streams. Zeroes are 1/3 duty cycle (~416ns) and ones +// are 2/3 duty cycle (~833ns). Each of the instructions below take 1/3 duty +// cycle. The first two instructions always run while only one of the two final +// instructions run per bit. We start with the low period because it can be +// longer than 1/3 period while waiting for more data. +const uint16_t neopixel_program[] = { +// bitloop: +// out x 1 side 0 [1]; Side-set still takes place before instruction stalls + 0x6121, +// jmp !x do_zero side 1 [1]; Branch on the bit we shifted out after 1/3 duty delay. Positive pulse + 0x1123, +// do_one: +// jmp bitloop side 1 [1]; Continue driving high, for a long pulse + 0x1100, +// do_zero: +// nop side 0 [1]; Or drive low, for a short pulse + 0xa142 +}; + +const uint16_t init_program[] = { + 0xe081 +}; + +void common_hal_neopixel_write(const digitalio_digitalinout_obj_t* digitalinout, uint8_t *pixels, uint32_t num_bytes) { + // Set everything up. + rp2pio_statemachine_obj_t state_machine; + + // TODO: Cache the state machine after we create it once. We'll need a way to + // change the pins then though. + uint8_t pin_number = digitalinout->pin->number; + bool ok = rp2pio_statemachine_construct(&state_machine, + neopixel_program, sizeof(neopixel_program) / sizeof(neopixel_program[0]), + 800000 * 6, // 800 khz * 6 cycles per bit + init_program, 1, + NULL, 1, + NULL, 1, + digitalinout->pin, 1, + digitalinout->pin, 1, + 1 << pin_number, true, false, + true, 8, false, // TX, auto pull every 8 bits. shift left to output msb first + false, 32, true, // RX setting we don't use + false); // claim pins + if (!ok) { + // Do nothing. Maybe bitbang? + return; + } + + // Wait to make sure we don't append onto the last transmission. This should only be a tick or + // two. + while (port_get_raw_ticks(NULL) < next_start_raw_ticks) {} + + common_hal_rp2pio_statemachine_write(&state_machine, pixels, num_bytes); + + // Use a private deinit of the state machine that doesn't reset the pin. + rp2pio_statemachine_deinit(&state_machine, true); + gpio_init(digitalinout->pin->number); + // Update the next start. + next_start_raw_ticks = port_get_raw_ticks(NULL) + 1; +} diff --git a/ports/raspberrypi/common-hal/os/__init__.c b/ports/raspberrypi/common-hal/os/__init__.c new file mode 100644 index 0000000000..dcbd06e937 --- /dev/null +++ b/ports/raspberrypi/common-hal/os/__init__.c @@ -0,0 +1,62 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "genhdr/mpversion.h" +#include "py/mpconfig.h" +#include "py/objstr.h" +#include "py/objtuple.h" +#include "py/qstr.h" + + +STATIC const qstr os_uname_info_fields[] = { + MP_QSTR_sysname, MP_QSTR_nodename, + MP_QSTR_release, MP_QSTR_version, MP_QSTR_machine +}; +STATIC const MP_DEFINE_STR_OBJ(os_uname_info_sysname_obj, "rp2040"); +STATIC const MP_DEFINE_STR_OBJ(os_uname_info_nodename_obj, "rp2040"); +STATIC const MP_DEFINE_STR_OBJ(os_uname_info_release_obj, MICROPY_VERSION_STRING); +STATIC const MP_DEFINE_STR_OBJ(os_uname_info_version_obj, MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE); +STATIC const MP_DEFINE_STR_OBJ(os_uname_info_machine_obj, MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME); + + +STATIC MP_DEFINE_ATTRTUPLE( + os_uname_info_obj, + os_uname_info_fields, + 5, + (mp_obj_t)&os_uname_info_sysname_obj, + (mp_obj_t)&os_uname_info_nodename_obj, + (mp_obj_t)&os_uname_info_release_obj, + (mp_obj_t)&os_uname_info_version_obj, + (mp_obj_t)&os_uname_info_machine_obj +); + +mp_obj_t common_hal_os_uname(void) { + return (mp_obj_t)&os_uname_info_obj; +} + +bool common_hal_os_urandom(uint8_t* buffer, uint32_t length) { + return false; +} diff --git a/ports/raspberrypi/common-hal/pwmio/PWMOut.c b/ports/raspberrypi/common-hal/pwmio/PWMOut.c new file mode 100644 index 0000000000..567ec5ef54 --- /dev/null +++ b/ports/raspberrypi/common-hal/pwmio/PWMOut.c @@ -0,0 +1,216 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include + +#include "py/runtime.h" +#include "common-hal/pwmio/PWMOut.h" +#include "shared-bindings/pwmio/PWMOut.h" +#include "shared-bindings/microcontroller/Processor.h" + +#include "supervisor/shared/translate.h" + +#include "src/rp2040/hardware_regs/include/hardware/platform_defs.h" +#include "src/rp2_common/hardware_clocks/include/hardware/clocks.h" +#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h" +#include "src/rp2_common/hardware_pwm/include/hardware/pwm.h" + +uint32_t target_slice_frequencies[NUM_PWM_SLICES]; +uint32_t slice_fixed_frequency; + +#define CHANNELS_PER_SLICE 2 +static uint32_t channel_use; +static uint32_t never_reset_channel; + +static uint32_t _mask(uint8_t slice, uint8_t channel) { + return 1 << (slice * CHANNELS_PER_SLICE + channel); +} + +void common_hal_pwmio_pwmout_never_reset(pwmio_pwmout_obj_t *self) { + never_reset_channel |= _mask(self->slice, self->channel); + + never_reset_pin_number(self->pin->number); +} + +void common_hal_pwmio_pwmout_reset_ok(pwmio_pwmout_obj_t *self) { + never_reset_channel &= ~_mask(self->slice, self->channel); +} + +void pwmout_reset(void) { + // Reset all slices + for (size_t slice = 0; slice < NUM_PWM_SLICES; slice++) { + bool reset = true; + for (size_t channel = 0; channel < CHANNELS_PER_SLICE; channel++) { + uint32_t channel_use_mask = _mask(slice, channel); + if ((never_reset_channel & channel_use_mask) != 0) { + reset = false; + continue; + } + channel_use &= ~channel_use_mask; + } + if (!reset) { + continue; + } + pwm_set_enabled(slice, false); + target_slice_frequencies[slice] = 0; + slice_fixed_frequency &= ~(1 << slice); + } +} + +pwmout_result_t common_hal_pwmio_pwmout_construct(pwmio_pwmout_obj_t* self, + const mcu_pin_obj_t* pin, + uint16_t duty, + uint32_t frequency, + bool variable_frequency) { + self->pin = pin; + self->variable_frequency = variable_frequency; + self->duty_cycle = duty; + + if (frequency == 0 || frequency > (common_hal_mcu_processor_get_frequency() / 2)) { + return PWMOUT_INVALID_FREQUENCY; + } + + uint8_t slice = pwm_gpio_to_slice_num(pin->number); + uint8_t channel = pwm_gpio_to_channel(pin->number); + uint32_t channel_use_mask = _mask(slice, channel); + + // Check the channel first. + if ((channel_use & channel_use_mask) != 0) { + return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE; + } + // Now check if the slice is in use and if we can share with it. + if (target_slice_frequencies[slice] > 0) { + // If we want to change frequency then we can't share. + if (variable_frequency) { + return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE; + } + // If the other user wants to change frequency then we can't share either. + if ((slice_fixed_frequency & (1 << slice)) != 0) { + return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE; + } + // If we're both fixed frequency but we don't match target frequencies then we can't share. + if (target_slice_frequencies[slice] != frequency) { + return PWMOUT_ALL_TIMERS_ON_PIN_IN_USE; + } + } + self->slice = slice; + self->channel = channel; + channel_use |= channel_use_mask; + if (!variable_frequency) { + slice_fixed_frequency |= 1 << slice; + } + + if (target_slice_frequencies[slice] != frequency) { + // Reset the counter and compare values. + pwm_hw->slice[slice].ctr = PWM_CH0_CTR_RESET; + common_hal_pwmio_pwmout_set_duty_cycle(self, duty); + common_hal_pwmio_pwmout_set_frequency(self, frequency); + pwm_set_enabled(slice, true); + } else { + common_hal_pwmio_pwmout_set_duty_cycle(self, duty); + } + + // Connect to the pad last to avoid any glitches from changing settings. + gpio_set_function(pin->number, GPIO_FUNC_PWM); + + return PWMOUT_OK; +} + +bool common_hal_pwmio_pwmout_deinited(pwmio_pwmout_obj_t* self) { + return self->pin == NULL; +} + +void common_hal_pwmio_pwmout_deinit(pwmio_pwmout_obj_t* self) { + if (common_hal_pwmio_pwmout_deinited(self)) { + return; + } + uint32_t channel_mask = _mask(self->slice, self->channel); + channel_use &= ~channel_mask; + never_reset_channel &= ~channel_mask; + uint32_t slice_mask = ((1 << CHANNELS_PER_SLICE) - 1) << (self->slice * CHANNELS_PER_SLICE + self->channel); + if ((channel_use & slice_mask) == 0) { + target_slice_frequencies[self->slice] = 0; + slice_fixed_frequency &= ~(1 << self->slice); + pwm_set_enabled(self->slice, false); + } + + reset_pin_number(self->pin->number); + self->pin = NULL; +} + +extern void common_hal_pwmio_pwmout_set_duty_cycle(pwmio_pwmout_obj_t* self, uint16_t duty) { + self->duty_cycle = duty; + uint16_t actual_duty = duty * self->top / ((1 << 16) - 1); + pwm_set_chan_level(self->slice, self->channel, actual_duty); +} + +uint16_t common_hal_pwmio_pwmout_get_duty_cycle(pwmio_pwmout_obj_t* self) { + return self->duty_cycle; +} + +void common_hal_pwmio_pwmout_set_frequency(pwmio_pwmout_obj_t* self, uint32_t frequency) { + if (frequency == 0 || frequency > (common_hal_mcu_processor_get_frequency() / 2)) { + mp_raise_ValueError(translate("Invalid PWM frequency")); + } + + target_slice_frequencies[self->slice] = frequency; + + // For low frequencies use the divider to give us full resolution duty_cycle. + if (frequency < (common_hal_mcu_processor_get_frequency() / (1 << 16))) { + // Compute the divisor. It's an 8 bit integer and 4 bit fraction. Therefore, + // we compute everything * 16 for the fractional part. + // This is 1 << 12 because 4 bits are the * 16. + uint64_t frequency16 = ((uint64_t) clock_get_hz(clk_sys)) / (1 << 12); + uint64_t div16 = frequency16 / frequency; + // Round the divisor to try and get closest to the target frequency. We could + // also always round up and use TOP to get us closer. We may not need that though. + if (frequency16 % frequency >= frequency / 2) { + div16 += 1; + } + if (div16 >= (1 << 12)) { + div16 = (1 << 12) - 1; + } + self->actual_frequency = frequency16 / div16; + self->top = 1 << 16; + pwm_set_clkdiv_int_frac(self->slice, div16 / 16, div16 % 16); + pwm_set_wrap(self->slice, self->top - 1); + } else { + uint32_t top = common_hal_mcu_processor_get_frequency() / frequency; + self->actual_frequency = common_hal_mcu_processor_get_frequency() / top; + self->top = top; + pwm_set_clkdiv_int_frac(self->slice, 1, 0); + pwm_set_wrap(self->slice, self->top - 1); + } + common_hal_pwmio_pwmout_set_duty_cycle(self, self->duty_cycle); +} + +uint32_t common_hal_pwmio_pwmout_get_frequency(pwmio_pwmout_obj_t* self) { + return self->actual_frequency; +} + +bool common_hal_pwmio_pwmout_get_variable_frequency(pwmio_pwmout_obj_t* self) { + return self->variable_frequency; +} diff --git a/ports/raspberrypi/common-hal/pwmio/PWMOut.h b/ports/raspberrypi/common-hal/pwmio/PWMOut.h new file mode 100644 index 0000000000..50f84777b5 --- /dev/null +++ b/ports/raspberrypi/common-hal/pwmio/PWMOut.h @@ -0,0 +1,47 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_PWMIO_PWMOUT_H +#define MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_PWMIO_PWMOUT_H + +#include "common-hal/microcontroller/Pin.h" + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + const mcu_pin_obj_t *pin; + uint8_t slice; + uint8_t channel; + bool variable_frequency; + uint16_t duty_cycle; + uint32_t actual_frequency; + uint32_t top; +} pwmio_pwmout_obj_t; + +void pwmout_reset(void); + +#endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_PWMIO_PWMOUT_H diff --git a/ports/raspberrypi/common-hal/pwmio/__init__.c b/ports/raspberrypi/common-hal/pwmio/__init__.c new file mode 100644 index 0000000000..9e551a1072 --- /dev/null +++ b/ports/raspberrypi/common-hal/pwmio/__init__.c @@ -0,0 +1 @@ +// No pwmio module functions. diff --git a/ports/raspberrypi/common-hal/rp2pio/StateMachine.c b/ports/raspberrypi/common-hal/rp2pio/StateMachine.c new file mode 100644 index 0000000000..d613771a4f --- /dev/null +++ b/ports/raspberrypi/common-hal/rp2pio/StateMachine.c @@ -0,0 +1,586 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "bindings/rp2pio/StateMachine.h" + +#include "common-hal/microcontroller/__init__.h" +#include "shared-bindings/microcontroller/Pin.h" + +#include "src/rp2040/hardware_regs/include/hardware/platform_defs.h" +#include "src/rp2_common/hardware_clocks/include/hardware/clocks.h" +#include "src/rp2_common/hardware_dma/include/hardware/dma.h" +#include "src/rp2_common/hardware_pio/include/hardware/pio_instructions.h" +#include "src/rp2040/hardware_structs/include/hardware/structs/iobank0.h" + +#include "lib/utils/interrupt_char.h" +#include "py/obj.h" +#include "py/objproperty.h" +#include "py/runtime.h" + +// Count how many state machines are using each pin. +STATIC uint8_t _pin_reference_count[TOTAL_GPIO_COUNT]; +STATIC uint32_t _current_program_id[NUM_PIOS][NUM_PIO_STATE_MACHINES]; +STATIC uint8_t _current_program_offset[NUM_PIOS][NUM_PIO_STATE_MACHINES]; +STATIC uint8_t _current_program_len[NUM_PIOS][NUM_PIO_STATE_MACHINES]; +STATIC bool _never_reset[NUM_PIOS][NUM_PIO_STATE_MACHINES]; + +STATIC uint32_t _current_pins[NUM_PIOS]; +STATIC uint32_t _current_sm_pins[NUM_PIOS][NUM_PIO_STATE_MACHINES]; + +STATIC PIO pio_instances[2] = {pio0, pio1}; + +void _reset_statemachine(PIO pio, uint8_t sm, bool leave_pins) { + uint8_t pio_index = pio_get_index(pio); + pio_sm_unclaim(pio, sm); + uint32_t program_id = _current_program_id[pio_index][sm]; + if (program_id == 0) { + return; + } + _current_program_id[pio_index][sm] = 0; + bool program_in_use = false; + for (size_t i = 0; i < NUM_PIO_STATE_MACHINES; i++) { + if (_current_program_id[pio_index][i] == program_id) { + program_in_use = true; + break; + } + } + if (!program_in_use) { + uint8_t offset = _current_program_offset[pio_index][sm]; + pio_program_t program_struct = { + .length = _current_program_len[pio_index][sm] + }; + pio_remove_program(pio, &program_struct, offset); + } + + uint32_t pins = _current_sm_pins[pio_index][sm]; + for (size_t pin_number = 0; pin_number < TOTAL_GPIO_COUNT; pin_number++) { + if ((pins & (1 << pin_number)) == 0) { + continue; + } + _pin_reference_count[pin_number]--; + if (_pin_reference_count[pin_number] == 0) { + if (!leave_pins) { + reset_pin_number(pin_number); + } + _current_pins[pio_index] &= ~(1 << pin_number); + } + } + _current_sm_pins[pio_index][sm] = 0; +} + +void reset_rp2pio_statemachine(void) { + for (size_t i = 0; i < NUM_PIOS; i++) { + PIO pio = pio_instances[i]; + for (size_t j = 0; j < NUM_PIO_STATE_MACHINES; j++) { + if (_never_reset[i][j]) { + continue; + } + _reset_statemachine(pio, j, false); + } + } +} + +STATIC uint32_t _check_pins_free(const mcu_pin_obj_t * first_pin, uint8_t pin_count, bool exclusive_pin_use) { + uint32_t pins_we_use = 0; + if (first_pin != NULL) { + for (size_t i = 0; i < pin_count; i++) { + uint8_t pin_number = first_pin->number + i; + if (pin_number >= TOTAL_GPIO_COUNT) { + mp_raise_ValueError(translate("Pin count too large")); + } + const mcu_pin_obj_t * pin = mcu_pin_global_dict_table[pin_number].value; + if (exclusive_pin_use || _pin_reference_count[pin_number] == 0) { + assert_pin_free(pin); + } + pins_we_use |= 1 << pin_number; + } + } + return pins_we_use; +} + + +bool rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self, + const uint16_t* program, size_t program_len, + size_t frequency, + const uint16_t* init, size_t init_len, + const mcu_pin_obj_t * first_out_pin, uint8_t out_pin_count, + const mcu_pin_obj_t * first_in_pin, uint8_t in_pin_count, + const mcu_pin_obj_t * first_set_pin, uint8_t set_pin_count, + const mcu_pin_obj_t * first_sideset_pin, uint8_t sideset_pin_count, + uint32_t pins_we_use, bool tx_fifo, bool rx_fifo, + bool auto_pull, uint8_t pull_threshold, bool out_shift_right, + bool auto_push, uint8_t push_threshold, bool in_shift_right, + bool claim_pins) { + // Create a program id that isn't the pointer so we can store it without storing the original object. + uint32_t program_id = ~((uint32_t) program); + + // Next, find a PIO and state machine to use. + size_t pio_index = NUM_PIOS; + uint8_t program_offset = 32; + pio_program_t program_struct = { + .instructions = (uint16_t*) program, + .length = program_len, + .origin = 0 + }; + for (size_t i = 0; i < NUM_PIOS; i++) { + PIO pio = pio_instances[i]; + uint8_t free_count = 0; + for (size_t j = 0; j < NUM_PIO_STATE_MACHINES; j++) { + if (_current_program_id[i][j] == program_id && + _current_program_len[i][j] == program_len) { + program_offset = _current_program_offset[i][j]; + } + int temp_claim = pio_claim_unused_sm(pio, false); + if (temp_claim >= 0) { + pio_sm_unclaim(pio, temp_claim); + free_count++; + } + } + if (free_count > 0 && (program_offset < 32 || pio_can_add_program(pio, &program_struct))) { + pio_index = i; + if (program_offset < 32) { + break; + } + } + // Reset program offset if we weren't able to find a free state machine + // on that PIO. (We would have broken the loop otherwise.) + program_offset = 32; + } + + int state_machine = -1; + if (pio_index < NUM_PIOS) { + PIO pio = pio_instances[pio_index]; + for (size_t i = 0; i < NUM_PIOS; i++) { + if (i == pio_index) { + continue; + } + if ((_current_pins[i] & pins_we_use) != 0) { + // Pin in use by another PIO already. + return false; + } + } + state_machine = pio_claim_unused_sm(pio, false); + } + if (pio_index == NUM_PIOS || state_machine < 0 || state_machine >= NUM_PIO_STATE_MACHINES) { + return false; + } + + self->pio = pio_instances[pio_index]; + self->state_machine = state_machine; + if (program_offset == 32) { + program_offset = pio_add_program(self->pio, &program_struct); + } + _current_program_id[pio_index][state_machine] = program_id; + _current_program_len[pio_index][state_machine] = program_len; + _current_program_offset[pio_index][state_machine] = program_offset; + _current_sm_pins[pio_index][state_machine] = pins_we_use; + _current_pins[pio_index] |= pins_we_use; + + for (size_t pin_number = 0; pin_number < TOTAL_GPIO_COUNT; pin_number++) { + if ((pins_we_use & (1 << pin_number)) == 0) { + continue; + } + _pin_reference_count[pin_number]++; + const mcu_pin_obj_t * pin = mcu_pin_global_dict_table[pin_number].value; + // Also claim the pin at the top level when we're the first to grab it. + if (_pin_reference_count[pin_number] == 1) { + if (claim_pins) { + claim_pin(pin); + } + pio_gpio_init(self->pio, pin_number); + } + } + + pio_sm_config c = {0, 0, 0}; + + if (frequency == 0) { + frequency = clock_get_hz(clk_sys); + } + uint64_t frequency256 = ((uint64_t) clock_get_hz(clk_sys)) * 256; + uint64_t div256 = frequency256 / frequency; + if (frequency256 % div256 > 0) { + div256 += 1; + } + self->actual_frequency = frequency256 / div256; + sm_config_set_clkdiv_int_frac(&c, div256 / 256, div256 % 256); + + if (first_out_pin != NULL) { + sm_config_set_out_pins(&c, first_out_pin->number, out_pin_count); + } + if (first_in_pin != NULL) { + sm_config_set_in_pins(&c, first_in_pin->number); + } + if (first_set_pin != NULL) { + sm_config_set_set_pins(&c, first_set_pin->number, set_pin_count); + } + if (first_sideset_pin != NULL) { + sm_config_set_sideset(&c, sideset_pin_count, false /* optional */, false /* pin direction */); + sm_config_set_sideset_pins(&c, first_sideset_pin->number); + } + sm_config_set_wrap(&c, program_offset, program_offset + program_len - 1); + sm_config_set_in_shift(&c, in_shift_right, auto_push, push_threshold); + sm_config_set_out_shift(&c, out_shift_right, auto_pull, pull_threshold); + + enum pio_fifo_join join = PIO_FIFO_JOIN_NONE; + if (!rx_fifo) { + join = PIO_FIFO_JOIN_TX; + } else if (!tx_fifo) { + join = PIO_FIFO_JOIN_RX; + } + if (rx_fifo) { + self->rx_dreq = pio_get_dreq(self->pio, self->state_machine, false); + } + if (tx_fifo) { + self->tx_dreq = pio_get_dreq(self->pio, self->state_machine, true); + } + self->in = rx_fifo; + self->out = tx_fifo; + self->out_shift_right = out_shift_right; + self->in_shift_right = in_shift_right; + + sm_config_set_fifo_join(&c, join); + + pio_sm_init(self->pio, self->state_machine, program_offset, &c); + pio_sm_set_enabled(self->pio, self->state_machine, true); + for (size_t i = 0; i < init_len; i++) { + pio_sm_exec(self->pio, self->state_machine, init[i]); + } + return true; +} + +void common_hal_rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self, + const uint16_t* program, size_t program_len, + size_t frequency, + const uint16_t* init, size_t init_len, + const mcu_pin_obj_t * first_out_pin, uint8_t out_pin_count, + const mcu_pin_obj_t * first_in_pin, uint8_t in_pin_count, + const mcu_pin_obj_t * first_set_pin, uint8_t set_pin_count, + const mcu_pin_obj_t * first_sideset_pin, uint8_t sideset_pin_count, + bool exclusive_pin_use, + bool auto_pull, uint8_t pull_threshold, bool out_shift_right, + bool auto_push, uint8_t push_threshold, bool in_shift_right) { + + // First, check that all pins are free OR already in use by any PIO if exclusive_pin_use is false. + uint32_t pins_we_use = 0; + pins_we_use |= _check_pins_free(first_out_pin, out_pin_count, exclusive_pin_use); + pins_we_use |= _check_pins_free(first_in_pin, in_pin_count, exclusive_pin_use); + pins_we_use |= _check_pins_free(first_set_pin, set_pin_count, exclusive_pin_use); + pins_we_use |= _check_pins_free(first_sideset_pin, sideset_pin_count, exclusive_pin_use); + + // Look through the program to see what we reference and make sure it was provided. + bool tx_fifo = false; + bool rx_fifo = false; + bool in_loaded = false; // can be loaded in other ways besides the fifo + bool out_loaded = false; + bool in_used = false; + bool out_used = false; + for (size_t i = 0; i < program_len; i++) { + uint16_t full_instruction = program[i]; + uint16_t instruction = full_instruction & 0xe000; + if (instruction == 0x8000) { + if ((full_instruction & 0xe080) == pio_instr_bits_push) { + rx_fifo = true; + in_loaded = true; + } else { // pull otherwise. + tx_fifo = true; + out_loaded = true; + } + } + if (instruction == pio_instr_bits_jmp) { + uint16_t condition = (full_instruction & 0x00e0) >> 5; + if (condition == 0x6) { // GPIO + mp_raise_NotImplementedError_varg(translate("Instruction %d jumps on pin"), i); + } + } + if (instruction == pio_instr_bits_wait) { + uint16_t wait_source = (full_instruction & 0x0060) >> 5; + uint16_t wait_index = full_instruction & 0x001f; + if (wait_source == 0 && (pins_we_use & (1 << wait_index)) == 0) { // GPIO + mp_raise_ValueError_varg(translate("Instruction %d uses extra pin"), i); + } + if (wait_source == 1) { // Input pin + if (first_in_pin == NULL) { + mp_raise_ValueError_varg(translate("Missing first_in_pin. Instruction %d waits based on pin"), i); + } + if (wait_index > in_pin_count) { + mp_raise_ValueError_varg(translate("Instruction %d waits on input outside of count"), i); + } + } + } + if (instruction == pio_instr_bits_in) { + uint16_t source = (full_instruction & 0x00e0) >> 5; + uint16_t bit_count = full_instruction & 0x001f; + if (source == 0) { + if (first_in_pin == NULL) { + mp_raise_ValueError_varg(translate("Missing first_in_pin. Instruction %d shifts in from pin(s)"), i); + } + if (bit_count > in_pin_count) { + mp_raise_ValueError_varg(translate("Instruction %d shifts in more bits than pin count"), i); + } + } + if (auto_push) { + in_loaded = true; + rx_fifo = true; + } + in_used = true; + } + if (instruction == pio_instr_bits_out) { + uint16_t bit_count = full_instruction & 0x001f; + uint16_t destination = (full_instruction & 0x00e0) >> 5; + // Check for pins or pindirs destination. + if (destination == 0x0 || destination == 0x4) { + if (first_out_pin == NULL) { + mp_raise_ValueError_varg(translate("Missing first_out_pin. Instruction %d shifts out to pin(s)"), i); + } + if (bit_count > out_pin_count) { + mp_raise_ValueError_varg(translate("Instruction %d shifts out more bits than pin count"), i); + } + } + if (auto_pull) { + out_loaded = true; + tx_fifo = true; + } + out_used = true; + } + if (instruction == pio_instr_bits_set) { + uint16_t destination = (full_instruction & 0x00e0) >> 5; + // Check for pins or pindirs destination. + if ((destination == 0x00 || destination == 0x4) && first_set_pin == NULL) { + mp_raise_ValueError_varg(translate("Missing first_set_pin. Instruction %d sets pin(s)"), i); + } + } + if (instruction == pio_instr_bits_mov) { + uint16_t source = full_instruction & 0x0007; + uint16_t destination = (full_instruction & 0x00e0) >> 5; + // Check for pins or pindirs destination. + if (destination == 0x0 && first_out_pin == NULL) { + mp_raise_ValueError_varg(translate("Missing first_out_pin. Instruction %d writes pin(s)"), i); + } + if (source == 0x0 && first_in_pin == NULL) { + mp_raise_ValueError_varg(translate("Missing first_in_pin. Instruction %d reads pin(s)"), i); + } + if (destination == 0x6) { + in_loaded = true; + } else if (destination == 0x7) { + out_loaded = true; + } + } + } + + if (!in_loaded && in_used) { + mp_raise_ValueError_varg(translate("Program does IN without loading ISR")); + } + if (!out_loaded && out_used) { + mp_raise_ValueError_varg(translate("Program does OUT without loading OSR")); + } + + if (in_pin_count > 8 || out_pin_count > 8) { + mp_raise_NotImplementedError(translate("Only IN/OUT of up to 8 supported")); + } + + bool ok = rp2pio_statemachine_construct(self, + program, program_len, + frequency, + init, init_len, + first_out_pin, out_pin_count, + first_in_pin, in_pin_count, + first_set_pin, set_pin_count, + first_sideset_pin, sideset_pin_count, + pins_we_use, tx_fifo, rx_fifo, + auto_pull, pull_threshold, out_shift_right, + auto_push, push_threshold, in_shift_right, + true /* claim pins */); + if (!ok) { + mp_raise_RuntimeError(translate("All state machines in use")); + } +} + +uint32_t common_hal_rp2pio_statemachine_get_frequency(rp2pio_statemachine_obj_t* self) { + return self->actual_frequency; +} + +void rp2pio_statemachine_deinit(rp2pio_statemachine_obj_t *self, bool leave_pins) { + uint8_t sm = self->state_machine; + uint8_t pio_index = pio_get_index(self->pio); + _never_reset[pio_index][sm] = false; + _reset_statemachine(self->pio, sm, leave_pins); + self->state_machine = NUM_PIO_STATE_MACHINES; +} + +void common_hal_rp2pio_statemachine_deinit(rp2pio_statemachine_obj_t *self) { + rp2pio_statemachine_deinit(self, false); +} + +void common_hal_rp2pio_statemachine_never_reset(rp2pio_statemachine_obj_t *self) { + uint8_t sm = self->state_machine; + uint8_t pio_index = pio_get_index(self->pio); + _never_reset[pio_index][sm] = true; + // TODO: never reset all the pins +} + +bool common_hal_rp2pio_statemachine_deinited(rp2pio_statemachine_obj_t *self) { + return self->state_machine == NUM_PIO_STATE_MACHINES; +} + +static bool _transfer(rp2pio_statemachine_obj_t *self, + const uint8_t *data_out, size_t out_len, + uint8_t *data_in, size_t in_len) { + // This implementation is based on SPI but varies because the tx and rx buffers + // may be different lengths and occur at different times or speeds. + + // Use DMA for large transfers if channels are available + const size_t dma_min_size_threshold = 32; + int chan_tx = -1; + int chan_rx = -1; + size_t len = MAX(out_len, in_len); + bool tx = data_out != NULL; + bool rx = data_in != NULL; + if (len >= dma_min_size_threshold) { + // Use DMA channels to service the two FIFOs + if (tx) { + chan_tx = dma_claim_unused_channel(false); + } + if (rx) { + chan_rx = dma_claim_unused_channel(false); + } + } + volatile uint8_t* tx_destination = NULL; + const volatile uint8_t* rx_source = NULL; + if (tx) { + tx_destination = (volatile uint8_t*) &self->pio->txf[self->state_machine]; + if (!self->out_shift_right) { + tx_destination += 3; + } + } + if (rx) { + rx_source = (const volatile uint8_t*) &self->pio->rxf[self->state_machine]; + if (!self->in_shift_right) { + rx_source += 3; + } + } + bool use_dma = (!rx || chan_rx >= 0) && (!tx || chan_tx >= 0); + if (use_dma) { + dma_channel_config c; + uint32_t channel_mask = 0; + if (tx) { + c = dma_channel_get_default_config(chan_tx); + channel_config_set_transfer_data_size(&c, DMA_SIZE_8); + channel_config_set_dreq(&c, self->tx_dreq); + channel_config_set_read_increment(&c, true); + channel_config_set_write_increment(&c, false); + dma_channel_configure(chan_tx, &c, + tx_destination, + data_out, + len, + false); + channel_mask |= 1u << chan_tx; + } + if (rx) { + c = dma_channel_get_default_config(chan_rx); + channel_config_set_transfer_data_size(&c, DMA_SIZE_8); + channel_config_set_dreq(&c, self->rx_dreq); + channel_config_set_read_increment(&c, false); + channel_config_set_write_increment(&c, true); + dma_channel_configure(chan_rx, &c, + data_in, + rx_source, + len, + false); + channel_mask |= 1u << chan_rx; + } + + dma_start_channel_mask(channel_mask); + while ((rx && dma_channel_is_busy(chan_rx)) || + (tx && dma_channel_is_busy(chan_tx))) { + // TODO: We should idle here until we get a DMA interrupt or something else. + RUN_BACKGROUND_TASKS; + if (mp_hal_is_interrupted()) { + if (rx && dma_channel_is_busy(chan_rx)) { + dma_channel_abort(chan_rx); + } + if (tx && dma_channel_is_busy(chan_tx)) { + dma_channel_abort(chan_tx); + } + break; + } + } + // Clear the stall bit so we can detect when the state machine is done transmitting. + self->pio->fdebug = PIO_FDEBUG_TXSTALL_BITS; + } + + // If we have claimed only one channel successfully, we should release immediately. This also + // releases the DMA after use_dma has been done. + if (chan_rx >= 0) { + dma_channel_unclaim(chan_rx); + } + if (chan_tx >= 0) { + dma_channel_unclaim(chan_tx); + } + + if (!use_dma && !mp_hal_is_interrupted()) { + // Use software for small transfers, or if couldn't claim two DMA channels + size_t rx_remaining = in_len; + size_t tx_remaining = out_len; + + while (rx_remaining || tx_remaining) { + if (tx_remaining && !pio_sm_is_tx_fifo_full(self->pio, self->state_machine)) { + *tx_destination = *data_out; + data_out++; + --tx_remaining; + } + if (rx_remaining && !pio_sm_is_rx_fifo_empty(self->pio, self->state_machine)) { + *data_in = (uint8_t) *rx_source; + data_in++; + --rx_remaining; + } + RUN_BACKGROUND_TASKS; + if (mp_hal_is_interrupted()) { + break; + } + } + // Clear the stall bit so we can detect when the state machine is done transmitting. + self->pio->fdebug = PIO_FDEBUG_TXSTALL_BITS; + } + // Wait for the state machine to finish transmitting the data we've queued + // up. + if (tx) { + while (!pio_sm_is_tx_fifo_empty(self->pio, self->state_machine) || + (self->pio->fdebug & PIO_FDEBUG_TXSTALL_BITS) == 0) { + RUN_BACKGROUND_TASKS; + } + } + return true; +} + +// Writes out the given data. +bool common_hal_rp2pio_statemachine_write(rp2pio_statemachine_obj_t *self, + const uint8_t *data, size_t len) { + if (!self->out) { + mp_raise_RuntimeError(translate("No out in program")); + } + return _transfer(self, data, len, NULL, 0); +} + diff --git a/ports/raspberrypi/common-hal/rp2pio/StateMachine.h b/ports/raspberrypi/common-hal/rp2pio/StateMachine.h new file mode 100644 index 0000000000..6b70b6b5b5 --- /dev/null +++ b/ports/raspberrypi/common-hal/rp2pio/StateMachine.h @@ -0,0 +1,68 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_RP2PIO_STATEMACHINE_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_RP2PIO_STATEMACHINE_H + +#include "py/obj.h" + +#include "src/rp2_common/hardware_pio/include/hardware/pio.h" + +typedef struct { + mp_obj_base_t base; + uint32_t pins; // Bitmask of what pins this state machine uses. + int state_machine; + PIO pio; + bool in; + bool out; + uint tx_dreq; + uint rx_dreq; + bool out_shift_right; + bool in_shift_right; + uint32_t actual_frequency; +} rp2pio_statemachine_obj_t; + +void reset_rp2pio_statemachine(void); + +// Minimal internal version that only fails on pin error (not in use) or full PIO. +bool rp2pio_statemachine_construct(rp2pio_statemachine_obj_t *self, + const uint16_t* program, size_t program_len, + size_t frequency, + const uint16_t* init, size_t init_len, + const mcu_pin_obj_t * first_out_pin, uint8_t out_pin_count, + const mcu_pin_obj_t * first_in_pin, uint8_t in_pin_count, + const mcu_pin_obj_t * first_set_pin, uint8_t set_pin_count, + const mcu_pin_obj_t * first_sideset_pin, uint8_t sideset_pin_count, + uint32_t pins_we_use, bool tx_fifo, bool rx_fifo, + bool auto_pull, uint8_t pull_threshold, bool out_shift_right, + bool auto_push, uint8_t push_threshold, bool in_shift_right, + bool claim_pins); + +void rp2pio_statemachine_deinit(rp2pio_statemachine_obj_t *self, bool leave_pins); + +extern const mp_obj_type_t rp2pio_statemachine_type; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_RP2PIO_STATEMACHINE_H diff --git a/ports/raspberrypi/common-hal/rp2pio/__init__.c b/ports/raspberrypi/common-hal/rp2pio/__init__.c new file mode 100644 index 0000000000..21699dfa36 --- /dev/null +++ b/ports/raspberrypi/common-hal/rp2pio/__init__.c @@ -0,0 +1 @@ +// Nothing yet. diff --git a/ports/raspberrypi/common-hal/supervisor/Runtime.c b/ports/raspberrypi/common-hal/supervisor/Runtime.c new file mode 100755 index 0000000000..6be38f216a --- /dev/null +++ b/ports/raspberrypi/common-hal/supervisor/Runtime.c @@ -0,0 +1,37 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Michael Schroeder + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include +#include "shared-bindings/supervisor/Runtime.h" +#include "supervisor/serial.h" + +bool common_hal_get_serial_connected(void) { + return (bool) serial_connected(); +} + +bool common_hal_get_serial_bytes_available(void) { + return (bool) serial_bytes_available(); +} diff --git a/ports/raspberrypi/common-hal/supervisor/Runtime.h b/ports/raspberrypi/common-hal/supervisor/Runtime.h new file mode 100755 index 0000000000..45db489bda --- /dev/null +++ b/ports/raspberrypi/common-hal/supervisor/Runtime.h @@ -0,0 +1,37 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Michael Schroeder + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_SUPERVISOR_RUNTIME_H +#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_SUPERVISOR_RUNTIME_H + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + // Stores no state currently. +} super_runtime_obj_t; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_SUPERVISOR_RUNTIME_H diff --git a/ports/raspberrypi/common-hal/supervisor/__init__.c b/ports/raspberrypi/common-hal/supervisor/__init__.c new file mode 100755 index 0000000000..6dca35fb5a --- /dev/null +++ b/ports/raspberrypi/common-hal/supervisor/__init__.c @@ -0,0 +1,40 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2018 Michael Schroeder + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + +#include "py/obj.h" + +#include "shared-bindings/supervisor/__init__.h" +#include "shared-bindings/supervisor/Runtime.h" + + +// The singleton supervisor.Runtime object, bound to supervisor.runtime +// It currently only has properties, and no state. +const super_runtime_obj_t common_hal_supervisor_runtime_obj = { + .base = { + .type = &supervisor_runtime_type, + }, +}; diff --git a/ports/raspberrypi/fatfs_port.c b/ports/raspberrypi/fatfs_port.c new file mode 100644 index 0000000000..c65a73a428 --- /dev/null +++ b/ports/raspberrypi/fatfs_port.c @@ -0,0 +1,48 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * SPDX-FileCopyrightText: Copyright (c) 2013, 2014 Damien P. George + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "py/mphal.h" +#include "py/runtime.h" +#include "lib/oofatfs/ff.h" /* FatFs lower layer API */ +#include "lib/oofatfs/diskio.h" /* FatFs lower layer API */ +#include "lib/timeutils/timeutils.h" + +#if CIRCUITPY_RTC +#include "shared-bindings/rtc/RTC.h" +#endif + +DWORD get_fattime(void) { +#if CIRCUITPY_RTC + timeutils_struct_time_t tm; + common_hal_rtc_get_time(&tm); + return ((tm.tm_year - 1980) << 25) | (tm.tm_mon << 21) | (tm.tm_mday << 16) | + (tm.tm_hour << 11) | (tm.tm_min << 5) | (tm.tm_sec >> 1); +#else + return ((2016 - 1980) << 25) | ((9) << 21) | ((1) << 16) | ((16) << 11) | ((43) << 5) | (35 / 2); +#endif + + +} diff --git a/ports/raspberrypi/link.ld b/ports/raspberrypi/link.ld new file mode 100644 index 0000000000..dcf5c9a37a --- /dev/null +++ b/ports/raspberrypi/link.ld @@ -0,0 +1,251 @@ +/* Based on GCC ARM embedded samples. + Defines the following symbols for use by code: + __exidx_start + __exidx_end + __etext + __data_start__ + __preinit_array_start + __preinit_array_end + __init_array_start + __init_array_end + __fini_array_start + __fini_array_end + __data_end__ + __bss_start__ + __bss_end__ + __end__ + end + __HeapLimit + __StackLimit + __StackTop + __stack (== StackTop) +*/ + +MEMORY +{ + FLASH_FIRMWARE (rx) : ORIGIN = 0x10000000, LENGTH = 1024k + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 256k + SCRATCH_X (rwx) : ORIGIN = 0x20040000, LENGTH = 4k + SCRATCH_Y (rwx) : ORIGIN = 0x20041000, LENGTH = 4k +} + +ENTRY(_entry_point) + +SECTIONS +{ + /* Second stage bootloader is prepended to the image. It must be 256 bytes big + and checksummed. It is usually built by the boot_stage2 target + in the Pico SDK + */ + + .flash_begin : { + __flash_binary_start = .; + } > FLASH_FIRMWARE + + .boot2 : { + __boot2_start__ = .; + KEEP (*(.boot2)) + __boot2_end__ = .; + } > FLASH_FIRMWARE + + ASSERT(__boot2_end__ - __boot2_start__ == 256, + "ERROR: Pico second stage bootloader must be 256 bytes in size") + + /* The second stage will always enter the image at the start of .text. + The debugger will use the ELF entry point, which is the _entry_point + symbol if present, otherwise defaults to start of .text. + This can be used to transfer control back to the bootrom on debugger + launches only, to perform proper flash setup. + */ + + .text : { + __reset_start = .; + KEEP (*(.reset)) + . = ALIGN(256); + __reset_end = .; + ASSERT(__reset_end - __reset_start == 256, "ERROR: reset section should only be 256 bytes"); + KEEP (*(.vectors)) + /* TODO revisit this now memset/memcpy/float in ROM */ + /* bit of a hack right now to exclude all floating point and time critical (e.g. memset, memcpy) code from + * FLASH ... we will include any thing excluded here in .data below by default */ + *(.init) + *(EXCLUDE_FILE(*libgcc.a: *libc.a:*lib_a-mem*.o *libm.a:) .text*) + *(.fini) + /* Pull all c'tors into .text */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + /* Followed by destructors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.eh_frame*) + . = ALIGN(4); + } > FLASH_FIRMWARE + + .rodata : { + *(EXCLUDE_FILE(*libgcc.a: *libc.a:*lib_a-mem*.o *libm.a:) .rodata*) + . = ALIGN(4); + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.flashdata*))) + . = ALIGN(4); + } > FLASH_FIRMWARE + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH_FIRMWARE + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH_FIRMWARE + __exidx_end = .; + + /* Machine inspectable binary information */ + . = ALIGN(4); + __binary_info_start = .; + .binary_info : + { + KEEP(*(.binary_info.keep.*)) + *(.binary_info.*) + } > FLASH_FIRMWARE + __binary_info_end = .; + . = ALIGN(4); + + /* End of .text-like segments */ + __etext = .; + + .ram_vector_table (COPY): { + *(.ram_vector_table) + } > RAM + + .data : { + __data_start__ = .; + *(vtable) + + *(.time_critical*) + + /* remaining .text and .rodata; i.e. stuff we exclude above because we want it in RAM */ + *(.text*) + . = ALIGN(4); + *(.rodata*) + . = ALIGN(4); + + *(.data*) + + . = ALIGN(4); + *(.after_data.*) + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__mutex_array_start = .); + KEEP(*(SORT(.mutex_array.*))) + KEEP(*(.mutex_array)) + PROVIDE_HIDDEN (__mutex_array_end = .); + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(SORT(.preinit_array.*))) + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + *(SORT(.fini_array.*)) + *(.fini_array) + PROVIDE_HIDDEN (__fini_array_end = .); + + *(.jcr) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + } > RAM AT> FLASH_FIRMWARE + + .uninitialized_data (COPY): { + . = ALIGN(4); + *(.uninitialized_data*) + } > RAM + + /* Start and end symbols must be word-aligned */ + .scratch_x : { + __scratch_x_start__ = .; + *(.scratch_x.*) + . = ALIGN(4); + __scratch_x_end__ = .; + } > SCRATCH_X AT > FLASH_FIRMWARE + __scratch_x_source__ = LOADADDR(.scratch_x); + + .scratch_y : { + __scratch_y_start__ = .; + *(.scratch_y.*) + . = ALIGN(4); + __scratch_y_end__ = .; + } > SCRATCH_Y AT > FLASH_FIRMWARE + __scratch_y_source__ = LOADADDR(.scratch_y); + + .bss : { + . = ALIGN(4); + __bss_start__ = .; + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.bss*))) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + end = __end__; + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack*_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later + * + * stack1 section may be empty/missing if platform_launch_core1 is not used */ + + /* by default we put core 0 stack at the end of scratch Y, so that if core 1 + * stack is not used then all of SCRATCH_X is free. + */ + .stack1_dummy (COPY): + { + *(.stack1*) + } > SCRATCH_X + .stack_dummy (COPY): + { + *(.stack*) + } > SCRATCH_Y + + .flash_end : { + __flash_binary_end = .; + } > FLASH_FIRMWARE + + /* stack limit is poorly named, but historically is maximum heap ptr */ + __StackLimit = ORIGIN(RAM) + LENGTH(RAM); + __StackOneTop = ORIGIN(SCRATCH_X) + LENGTH(SCRATCH_X); + __StackTop = ORIGIN(SCRATCH_Y) + LENGTH(SCRATCH_Y); + __StackOneBottom = __StackOneTop - SIZEOF(.stack1_dummy); + __StackBottom = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed") + /* todo assert on extra code */ +} + diff --git a/ports/raspberrypi/mpconfigport.h b/ports/raspberrypi/mpconfigport.h new file mode 100644 index 0000000000..3fdc8febbf --- /dev/null +++ b/ports/raspberrypi/mpconfigport.h @@ -0,0 +1,46 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef __INCLUDED_MPCONFIGPORT_H +#define __INCLUDED_MPCONFIGPORT_H + +#define MICROPY_PY_UJSON (1) + +#define CIRCUITPY_INTERNAL_NVM_SIZE 0 + +#define CIRCUITPY_DEFAULT_STACK_SIZE (24*1024) + +#define MICROPY_USE_INTERNAL_PRINTF (1) + +#define CIRCUITPY_PROCESSOR_COUNT (2) + +// This also includes mpconfigboard.h. +#include "py/circuitpy_mpconfig.h" + +#define MICROPY_PORT_ROOT_POINTERS \ + CIRCUITPY_COMMON_ROOT_POINTERS; + +#endif // __INCLUDED_MPCONFIGPORT_H diff --git a/ports/raspberrypi/mpconfigport.mk b/ports/raspberrypi/mpconfigport.mk new file mode 100644 index 0000000000..a6211be73d --- /dev/null +++ b/ports/raspberrypi/mpconfigport.mk @@ -0,0 +1,44 @@ +# Define an equivalent for MICROPY_LONGINT_IMPL, to pass to $(MPY-TOOL) in py/mkrules.mk +# $(MPY-TOOL) needs to know what kind of longint to use (if any) to freeze long integers. +# This should correspond to the MICROPY_LONGINT_IMPL definition in mpconfigport.h. + +ifeq ($(LONGINT_IMPL),NONE) +MPY_TOOL_LONGINT_IMPL = -mlongint-impl=none +endif + +ifeq ($(LONGINT_IMPL),MPZ) +MPY_TOOL_LONGINT_IMPL = -mlongint-impl=mpz +endif + +ifeq ($(LONGINT_IMPL),LONGLONG) +MPY_TOOL_LONGINT_IMPL = -mlongint-impl=longlong +endif + +ifndef CIRCUITPY_RP2PIO +CIRCUITPY_RP2PIO = 1 +else +CIRCUITPY_NEOPIXEL_WRITE = 0 +endif + +CIRCUITPY_FULL_BUILD = 1 +CIRCUITPY_PWMIO = 1 + +# Things that need to be implemented. +CIRCUITPY_AUDIOBUSIO = 0 # Use PIO interally for I2S +CIRCUITPY_AUDIOMP3 = 0 +CIRCUITPY_COUNTIO = 0 # Use PWM interally +CIRCUITPY_FREQUENCYIO = 0 # Use PWM interally +CIRCUITPY_I2CPERIPHERAL = 0 +CIRCUITPY_NVM = 0 +CIRCUITPY_PULSEIO = 0 # Use PIO interally +CIRCUITPY_ROTARYIO = 0 # Use PIO interally +CIRCUITPY_RTC = 0 + +# Things that are unsupported by the hardware. +CIRCUITPY_AUDIOIO = 0 + +INTERNAL_LIBM = 1 + +USB_SERIAL_NUMBER_LENGTH = 32 + +USB_NUM_EP = 8 diff --git a/ports/raspberrypi/mphalport.c b/ports/raspberrypi/mphalport.c new file mode 100644 index 0000000000..89b597bc74 --- /dev/null +++ b/ports/raspberrypi/mphalport.c @@ -0,0 +1,57 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include + +#include "lib/mp-readline/readline.h" +#include "lib/utils/interrupt_char.h" +#include "py/mphal.h" +#include "py/mpstate.h" +#include "py/runtime.h" +#include "py/smallint.h" +#include "shared-bindings/microcontroller/__init__.h" +#include "shared-bindings/time/__init__.h" +#include "supervisor/shared/autoreload.h" + +#include "mpconfigboard.h" +#include "mphalport.h" +#include "supervisor/shared/tick.h" + +#include "src/rp2_common/hardware_timer/include/hardware/timer.h" + +extern uint32_t common_hal_mcu_processor_get_frequency(void); + +void mp_hal_delay_us(mp_uint_t delay) { + busy_wait_us_32(delay); +} + +void mp_hal_disable_all_interrupts(void) { + common_hal_mcu_disable_interrupts(); +} + +void mp_hal_enable_all_interrupts(void) { + common_hal_mcu_enable_interrupts(); +} diff --git a/ports/raspberrypi/mphalport.h b/ports/raspberrypi/mphalport.h new file mode 100644 index 0000000000..8d2d7d51a2 --- /dev/null +++ b/ports/raspberrypi/mphalport.h @@ -0,0 +1,50 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_MPHALPORT_H +#define MICROPY_INCLUDED_RASPBERRYPI_MPHALPORT_H + +#include "py/obj.h" + +#include "lib/oofatfs/ff.h" + +#include "supervisor/shared/tick.h" + +// Global millisecond tick count (driven by SysTick interrupt). +#define mp_hal_ticks_ms() ((mp_uint_t) supervisor_ticks_ms32()) + +// Number of bytes in receive buffer +extern volatile uint8_t usb_rx_count; +extern volatile bool mp_cdc_enabled; + +int receive_usb(void); + +void mp_hal_set_interrupt_char(int c); + +void mp_hal_disable_all_interrupts(void); +void mp_hal_enable_all_interrupts(void); + +#endif // MICROPY_INCLUDED_RASPBERRYPI_MPHALPORT_H diff --git a/ports/raspberrypi/peripherals/pins.c b/ports/raspberrypi/peripherals/pins.c new file mode 100644 index 0000000000..a2a7b85bd3 --- /dev/null +++ b/ports/raspberrypi/peripherals/pins.c @@ -0,0 +1,67 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "pins.h" + +#include "shared-bindings/microcontroller/Pin.h" + +// This macro is used to simplify pin definition in boards//pins.c +#define PIN(p_number) \ +const mcu_pin_obj_t pin_GPIO## p_number = { \ + { &mcu_pin_type }, \ + .number = p_number \ +} + +PIN(0); +PIN(1); +PIN(2); +PIN(3); +PIN(4); +PIN(5); +PIN(6); +PIN(7); +PIN(8); +PIN(9); +PIN(10); +PIN(11); +PIN(12); +PIN(13); +PIN(14); +PIN(15); +PIN(16); +PIN(17); +PIN(18); +PIN(19); +PIN(20); +PIN(21); +PIN(22); +PIN(23); +PIN(24); +PIN(25); +PIN(26); +PIN(27); +PIN(28); +PIN(29); diff --git a/ports/raspberrypi/peripherals/pins.h b/ports/raspberrypi/peripherals/pins.h new file mode 100644 index 0000000000..99ab9cfe48 --- /dev/null +++ b/ports/raspberrypi/peripherals/pins.h @@ -0,0 +1,71 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +// DO NOT include this file directly. Use shared-bindings/microcontroller/Pin.h instead to ensure +// that all necessary includes are already included. + +#ifndef MICROPY_INCLUDED_RASPBERRYPI_PERIPHERALS_PINS_H +#define MICROPY_INCLUDED_RASPBERRYPI_PERIPHERALS_PINS_H + +#include "py/obj.h" + +typedef struct { + mp_obj_base_t base; + uint8_t number; +} mcu_pin_obj_t; + +extern const mcu_pin_obj_t pin_GPIO0; +extern const mcu_pin_obj_t pin_GPIO1; +extern const mcu_pin_obj_t pin_GPIO2; +extern const mcu_pin_obj_t pin_GPIO3; +extern const mcu_pin_obj_t pin_GPIO4; +extern const mcu_pin_obj_t pin_GPIO5; +extern const mcu_pin_obj_t pin_GPIO6; +extern const mcu_pin_obj_t pin_GPIO7; +extern const mcu_pin_obj_t pin_GPIO8; +extern const mcu_pin_obj_t pin_GPIO9; +extern const mcu_pin_obj_t pin_GPIO10; +extern const mcu_pin_obj_t pin_GPIO11; +extern const mcu_pin_obj_t pin_GPIO12; +extern const mcu_pin_obj_t pin_GPIO13; +extern const mcu_pin_obj_t pin_GPIO14; +extern const mcu_pin_obj_t pin_GPIO15; +extern const mcu_pin_obj_t pin_GPIO16; +extern const mcu_pin_obj_t pin_GPIO17; +extern const mcu_pin_obj_t pin_GPIO18; +extern const mcu_pin_obj_t pin_GPIO19; +extern const mcu_pin_obj_t pin_GPIO20; +extern const mcu_pin_obj_t pin_GPIO21; +extern const mcu_pin_obj_t pin_GPIO22; +extern const mcu_pin_obj_t pin_GPIO23; +extern const mcu_pin_obj_t pin_GPIO24; +extern const mcu_pin_obj_t pin_GPIO25; +extern const mcu_pin_obj_t pin_GPIO26; +extern const mcu_pin_obj_t pin_GPIO27; +extern const mcu_pin_obj_t pin_GPIO28; +extern const mcu_pin_obj_t pin_GPIO29; + +#endif // MICROPY_INCLUDED_RASPBERRYPI_PERIPHERALS_PINS_H diff --git a/ports/raspberrypi/qstrdefsport.h b/ports/raspberrypi/qstrdefsport.h new file mode 100644 index 0000000000..3ba897069b --- /dev/null +++ b/ports/raspberrypi/qstrdefsport.h @@ -0,0 +1 @@ +// qstrs specific to this port diff --git a/ports/raspberrypi/sdk b/ports/raspberrypi/sdk new file mode 160000 index 0000000000..26653ea81e --- /dev/null +++ b/ports/raspberrypi/sdk @@ -0,0 +1 @@ +Subproject commit 26653ea81e340cacee55025d110c3e014a252a87 diff --git a/ports/raspberrypi/sdk_config/pico/config_autogen.h b/ports/raspberrypi/sdk_config/pico/config_autogen.h new file mode 100644 index 0000000000..688f367c34 --- /dev/null +++ b/ports/raspberrypi/sdk_config/pico/config_autogen.h @@ -0,0 +1,19 @@ +#pragma once + +#define PICO_IE_26_29_UNCHANGED_ON_RESET (0) +#define PICO_USE_STACK_GUARDS (0) +#define PICO_ENTER_USB_BOOT_ON_EXIT (0) +#define PICO_USE_OPTIMISTIC_SBRK (0) +#define PICO_NO_HARDWARE (0) +#define PICO_ON_DEVICE (1) +#define PICO_USE_CRT_PRINTF (0) +#define PICO_NO_PRINTF (0) +#define PICO_FLOAT_SUPPORT_ROM_V1 (1) +#define PICO_DOUBLE_SUPPORT_ROM_V1 (1) +#define PICO_STDIO_UART (0) +#define PICO_STDIO_USB (0) +#define PICO_STDIO_SEMIHOSTING (0) +#define PICO_STDIO_IGNORE_NESTED_STDOUT (0) +#define PICO_PRINTF_PICO (0) +#define PICO_PRINTF_NONE (0) +#define PICO_PRINTF_ALWAYS_INCLUDED (1) diff --git a/ports/raspberrypi/sdk_config/pico/version.h b/ports/raspberrypi/sdk_config/pico/version.h new file mode 100644 index 0000000000..3a1e1a3d27 --- /dev/null +++ b/ports/raspberrypi/sdk_config/pico/version.h @@ -0,0 +1,19 @@ +/* + * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +// ---------------------------------------------------------- +// THIS FILE IS (NOT) AUTOGENERATED; EDIT when updating sdk/ +// ---------------------------------------------------------- + +#ifndef _PICO_VERSION_H +#define _PICO_VERSION_H + +#define PICO_SDK_VERSION_MAJOR 1 +#define PICO_SDK_VERSION_MINOR 0 +#define PICO_SDK_VERSION_REVISION 0 +#define PICO_SDK_VERSION_STRING "1.0.0" + +#endif diff --git a/ports/raspberrypi/supervisor/internal_flash.c b/ports/raspberrypi/supervisor/internal_flash.c new file mode 100644 index 0000000000..d333830de9 --- /dev/null +++ b/ports/raspberrypi/supervisor/internal_flash.c @@ -0,0 +1,131 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "supervisor/internal_flash.h" + +#include +#include +#include + +#include "extmod/vfs.h" +#include "extmod/vfs_fat.h" +#include "py/mphal.h" +#include "py/obj.h" +#include "py/runtime.h" +#include "lib/oofatfs/ff.h" +#include "shared-bindings/microcontroller/__init__.h" + +#include "supervisor/usb.h" + +#include "src/rp2040/hardware_structs/include/hardware/structs/sio.h" +#include "src/rp2_common/hardware_flash/include/hardware/flash.h" +#include "src/common/pico_binary_info/include/pico/binary_info.h" + +#define RESERVED_FLASH 1 * 1024 * 1024 + +// TODO: Parameterize flash size based on the configured flash. +#define TOTAL_FLASH_SIZE 2 * 1024 * 1024 + +// TODO: Split the caching out of supervisor/shared/external_flash so we can use it. +#define SECTOR_SIZE 4096 +#define NO_CACHE 0xffffffff +STATIC uint8_t _cache[SECTOR_SIZE]; +STATIC uint32_t _cache_lba = NO_CACHE; + +void supervisor_flash_init(void) { + bi_decl_if_func_used(bi_block_device( + BINARY_INFO_MAKE_TAG('C', 'P'), + "CircuitPython", + RESERVED_FLASH, + TOTAL_FLASH_SIZE - RESERVED_FLASH, + NULL, + BINARY_INFO_BLOCK_DEV_FLAG_READ | + BINARY_INFO_BLOCK_DEV_FLAG_WRITE | + BINARY_INFO_BLOCK_DEV_FLAG_PT_UNKNOWN)); +} + +uint32_t supervisor_flash_get_block_size(void) { + return FILESYSTEM_BLOCK_SIZE; +} + +uint32_t supervisor_flash_get_block_count(void) { + return (TOTAL_FLASH_SIZE - RESERVED_FLASH) / FILESYSTEM_BLOCK_SIZE; +} + +void port_internal_flash_flush(void) { + if (_cache_lba == NO_CACHE) { + return; + } + common_hal_mcu_disable_interrupts(); + flash_range_erase(RESERVED_FLASH + _cache_lba, SECTOR_SIZE); + flash_range_program(RESERVED_FLASH + _cache_lba, _cache, SECTOR_SIZE); + common_hal_mcu_enable_interrupts(); + _cache_lba = NO_CACHE; +} + +mp_uint_t supervisor_flash_read_blocks(uint8_t *dest, uint32_t block, uint32_t num_blocks) { + memcpy(dest, + (void*)(XIP_BASE + RESERVED_FLASH + block * FILESYSTEM_BLOCK_SIZE), + num_blocks * FILESYSTEM_BLOCK_SIZE); + return 0; +} + +mp_uint_t supervisor_flash_write_blocks(const uint8_t *src, uint32_t lba, uint32_t num_blocks) { + uint32_t blocks_per_sector = SECTOR_SIZE / FILESYSTEM_BLOCK_SIZE; + uint32_t block = 0; + while (block < num_blocks) { + uint32_t block_address = lba + block; + uint32_t sector_offset = block_address / blocks_per_sector * SECTOR_SIZE; + uint8_t block_offset = block_address % blocks_per_sector; + + if (_cache_lba != block_address) { + memcpy(_cache, + (void*)(XIP_BASE + RESERVED_FLASH + sector_offset), + SECTOR_SIZE); + _cache_lba = sector_offset; + } + for (uint8_t b = block_offset; b < blocks_per_sector; b++) { + // Stop copying after the last block. + if (block >= num_blocks) { + break; + } + memcpy(_cache + b * FILESYSTEM_BLOCK_SIZE, + src + block * FILESYSTEM_BLOCK_SIZE, + FILESYSTEM_BLOCK_SIZE); + block++; + } + // Make sure we don't have an interrupt while we do flash operations. + common_hal_mcu_disable_interrupts(); + flash_range_erase(RESERVED_FLASH + sector_offset, SECTOR_SIZE); + flash_range_program(RESERVED_FLASH + sector_offset, _cache, SECTOR_SIZE); + common_hal_mcu_enable_interrupts(); + } + + return 0; // success +} + +void supervisor_flash_release_cache(void) { +} diff --git a/ports/raspberrypi/supervisor/internal_flash.h b/ports/raspberrypi/supervisor/internal_flash.h new file mode 100644 index 0000000000..0dc9f15458 --- /dev/null +++ b/ports/raspberrypi/supervisor/internal_flash.h @@ -0,0 +1,38 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef MICROPY_INCLUDED_RASPBERRYPI_INTERNAL_FLASH_H +#define MICROPY_INCLUDED_RASPBERRYPI_INTERNAL_FLASH_H + +#include + +#include "mpconfigport.h" + +// #define INTERNAL_FLASH_PART1_NUM_BLOCKS (CIRCUITPY_INTERNAL_FLASH_FILESYSTEM_SIZE / FILESYSTEM_BLOCK_SIZE) + +// #define INTERNAL_FLASH_SYSTICK_MASK (0x1ff) // 512ms +// #define INTERNAL_FLASH_IDLE_TICK(tick) (((tick) & INTERNAL_FLASH_SYSTICK_MASK) == 2) + +#endif // MICROPY_INCLUDED_RASPBERRYPI_INTERNAL_FLASH_H diff --git a/ports/raspberrypi/supervisor/internal_flash_root_pointers.h b/ports/raspberrypi/supervisor/internal_flash_root_pointers.h new file mode 100644 index 0000000000..419a4c9435 --- /dev/null +++ b/ports/raspberrypi/supervisor/internal_flash_root_pointers.h @@ -0,0 +1,31 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef MICROPY_INCLUDED_RASPBERRYPI_INTERNAL_FLASH_ROOT_POINTERS_H +#define MICROPY_INCLUDED_RASPBERRYPI_INTERNAL_FLASH_ROOT_POINTERS_H + +#define FLASH_ROOT_POINTERS + +#endif // MICROPY_INCLUDED_RASPBERRYPI_INTERNAL_FLASH_ROOT_POINTERS_H diff --git a/ports/raspberrypi/supervisor/port.c b/ports/raspberrypi/supervisor/port.c new file mode 100644 index 0000000000..b2f73c7b4c --- /dev/null +++ b/ports/raspberrypi/supervisor/port.c @@ -0,0 +1,200 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include +#include + +#include "supervisor/board.h" +#include "supervisor/port.h" + +#include "bindings/rp2pio/StateMachine.h" +#include "genhdr/mpversion.h" +#include "shared-bindings/busio/I2C.h" +#include "shared-bindings/busio/SPI.h" +#include "shared-bindings/microcontroller/__init__.h" +#include "shared-bindings/rtc/__init__.h" +#include "shared-bindings/pwmio/PWMOut.h" + +#include "supervisor/shared/safe_mode.h" +#include "supervisor/shared/stack.h" +#include "supervisor/shared/tick.h" + +#include "src/rp2040/hardware_structs/include/hardware/structs/watchdog.h" +#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h" +#include "src/rp2_common/hardware_uart/include/hardware/uart.h" +#include "src/rp2_common/hardware_sync/include/hardware/sync.h" +#include "src/rp2_common/hardware_timer/include/hardware/timer.h" +#include "src/common/pico_time/include/pico/time.h" +#include "src/common/pico_binary_info/include/pico/binary_info.h" + +#include "tusb.h" + + +extern volatile bool mp_msc_enabled; + +STATIC void _tick_callback(uint alarm_num); + +STATIC void _binary_info(void) { + // Binary info readable with `picotool`. + bi_decl(bi_program_name("CircuitPython")); + bi_decl(bi_program_version_string(MICROPY_GIT_TAG)); + bi_decl(bi_program_build_date_string(MICROPY_BUILD_DATE)); + bi_decl(bi_program_url("https://circuitpython.org")); + + bi_decl(bi_program_build_attribute("BOARD=" CIRCUITPY_BOARD_ID)); + // TODO: Add build attribute for debug builds. Needs newer CircuitPython with CIRCUITPY_DEBUG. +} + +safe_mode_t port_init(void) { + _binary_info(); + // Set brown out. + + // Reset everything into a known state before board_init. + reset_port(); + + // For the tick. + hardware_alarm_claim(0); + hardware_alarm_set_callback(0, _tick_callback); + + // Check brownout. + + if (board_requests_safe_mode()) { + return USER_SAFE_MODE; + } + + return NO_SAFE_MODE; +} + +void reset_port(void) { + #if CIRCUITPY_BUSIO + reset_i2c(); + reset_spi(); + #endif + + #if CIRCUITPY_RP2PIO + reset_rp2pio_statemachine(); + #endif + + #if CIRCUITPY_PWMIO + pwmout_reset(); + #endif + + reset_all_pins(); +} + +void reset_to_bootloader(void) { + // reset(); + while (true) {} +} + +void reset_cpu(void) { + // reset(); + while (true) {} +} + +bool port_has_fixed_stack(void) { + return false; +} + +// From the linker script +extern uint32_t __HeapLimit; +extern uint32_t __StackTop; +uint32_t *port_stack_get_limit(void) { + return &__HeapLimit; +} + +uint32_t *port_stack_get_top(void) { + return &__StackTop; +} + +uint32_t *port_heap_get_bottom(void) { + return port_stack_get_limit(); +} + +uint32_t *port_heap_get_top(void) { + return port_stack_get_top(); +} + +void port_set_saved_word(uint32_t value) { + // NOTE: This doesn't survive pressing the reset button (aka toggling RUN). + watchdog_hw->scratch[0] = value; +} + +uint32_t port_get_saved_word(void) { + return watchdog_hw->scratch[0]; +} + +uint64_t port_get_raw_ticks(uint8_t* subticks) { + uint64_t microseconds = time_us_64(); + return 1024 * (microseconds / 1000000) + (microseconds % 1000000) / 977; +} + +STATIC void _tick_callback(uint alarm_num) { + supervisor_tick(); + hardware_alarm_set_target(0, delayed_by_us(get_absolute_time(), 977)); +} + +// Enable 1/1024 second tick. +void port_enable_tick(void) { + hardware_alarm_set_target(0, delayed_by_us(get_absolute_time(), 977)); +} + +// Disable 1/1024 second tick. +void port_disable_tick(void) { + // hardware_alarm_cancel(0); +} + +// This is called by sleep, we ignore it when our ticks are enabled because +// they'll wake us up earlier. If we don't, we'll mess up ticks by overwriting +// the next RTC wake up time. +void port_interrupt_after_ticks(uint32_t ticks) { +} + +void port_idle_until_interrupt(void) { + common_hal_mcu_disable_interrupts(); + if (!tud_task_event_ready()) { +// asm volatile ("dsb 0xF":::"memory"); +// __wfi(); + } + common_hal_mcu_enable_interrupts(); +} + +/** + * \brief Default interrupt handler for unused IRQs. + */ +__attribute__((used)) void HardFault_Handler(void) +{ +#ifdef ENABLE_MICRO_TRACE_BUFFER + // Turn off the micro trace buffer so we don't fill it up in the infinite + // loop below. + REG_MTB_MASTER = 0x00000000 + 6; +#endif + + reset_into_safe_mode(HARD_CRASH); + while (true) { + asm("nop;"); + } +} diff --git a/ports/raspberrypi/supervisor/rp2_cpu.s b/ports/raspberrypi/supervisor/rp2_cpu.s new file mode 100755 index 0000000000..741bb21358 --- /dev/null +++ b/ports/raspberrypi/supervisor/rp2_cpu.s @@ -0,0 +1,35 @@ +.syntax unified +.cpu cortex-m0 +.thumb +.text +.align 2 + +@ uint cpu_get_regs_and_sp(r0=uint regs[10]) +.global cpu_get_regs_and_sp +.thumb +.thumb_func +.type cpu_get_regs_and_sp, %function +cpu_get_regs_and_sp: +@ store registers into given array +str r4, [r0, #0] +str r5, [r0, #4] +str r6, [r0, #8] +str r7, [r0, #12] +push {r1} +mov r1, r8 +str r1, [r0, #16] +mov r1, r9 +str r1, [r0, #20] +mov r1, r10 +str r1, [r0, #24] +mov r1, r11 +str r1, [r0, #28] +mov r1, r12 +str r1, [r0, #32] +mov r1, r13 +str r1, [r0, #36] +pop {r1} + +@ return the sp +mov r0, sp +bx lr diff --git a/ports/raspberrypi/supervisor/usb.c b/ports/raspberrypi/supervisor/usb.c new file mode 100644 index 0000000000..db2c298f5d --- /dev/null +++ b/ports/raspberrypi/supervisor/usb.c @@ -0,0 +1,38 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2021 Scott Shawcroft for Adafruit Industries + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "lib/tinyusb/src/device/usbd.h" +#include "supervisor/background_callback.h" +#include "supervisor/usb.h" +#include "src/rp2_common/pico_platform/include/pico/platform.h" +#include "src/rp2040/hardware_regs/include/hardware/regs/intctrl.h" + +void init_usb_hardware(void) { +} + +void __isr __used isr_usbctrl(void) { + usb_irq_handler(); +} diff --git a/py/circuitpy_defns.mk b/py/circuitpy_defns.mk index 21bd5b9658..3ce7c01173 100644 --- a/py/circuitpy_defns.mk +++ b/py/circuitpy_defns.mk @@ -51,6 +51,7 @@ BASE_CFLAGS = \ -DCIRCUITPY_SOFTWARE_SAFE_MODE=0x0ADABEEF \ -DCIRCUITPY_CANARY_WORD=0xADAF00 \ -DCIRCUITPY_SAFE_RESTART_WORD=0xDEADBEEF \ + -DCIRCUITPY_BOARD_ID="\"$(BOARD)\"" \ --param max-inline-insns-single=500 # Use these flags to debug build times and header includes. @@ -234,6 +235,9 @@ endif ifeq ($(CIRCUITPY_RANDOM),1) SRC_PATTERNS += random/% endif +ifeq ($(CIRCUITPY_RP2PIO),1) +SRC_PATTERNS += rp2pio/% +endif ifeq ($(CIRCUITPY_ROTARYIO),1) SRC_PATTERNS += rotaryio/% endif diff --git a/py/circuitpy_mpconfig.h b/py/circuitpy_mpconfig.h index a3411b7adb..b0bca0f250 100644 --- a/py/circuitpy_mpconfig.h +++ b/py/circuitpy_mpconfig.h @@ -228,7 +228,7 @@ typedef long mp_off_t; #endif #ifndef MICROPY_PY_REVERSE_SPECIAL_METHODS -#define MICROPY_PY_REVERSE_SPECIAL_METHODS (CIRCUITPY_FULL_BUILD) +#define MICROPY_PY_REVERSE_SPECIAL_METHODS (CIRCUITPY_ULAB || CIRCUITPY_FULL_BUILD) #endif #if INTERNAL_FLASH_FILESYSTEM == 0 && QSPI_FLASH_FILESYSTEM == 0 && SPI_FLASH_FILESYSTEM == 0 && !DISABLE_FILESYSTEM @@ -581,13 +581,6 @@ extern const struct _mp_obj_module_t pwmio_module; #define PWMIO_MODULE #endif -#if CIRCUITPY_RGBMATRIX -extern const struct _mp_obj_module_t rgbmatrix_module; -#define RGBMATRIX_MODULE { MP_OBJ_NEW_QSTR(MP_QSTR_rgbmatrix),(mp_obj_t)&rgbmatrix_module }, -#else -#define RGBMATRIX_MODULE -#endif - #if CIRCUITPY_RANDOM extern const struct _mp_obj_module_t random_module; #define RANDOM_MODULE { MP_OBJ_NEW_QSTR(MP_QSTR_random), (mp_obj_t)&random_module }, @@ -595,6 +588,20 @@ extern const struct _mp_obj_module_t random_module; #define RANDOM_MODULE #endif +#if CIRCUITPY_RP2PIO +extern const struct _mp_obj_module_t rp2pio_module; +#define RP2PIO_MODULE { MP_OBJ_NEW_QSTR(MP_QSTR_rp2pio),(mp_obj_t)&rp2pio_module }, +#else +#define RP2PIO_MODULE +#endif + +#if CIRCUITPY_RGBMATRIX +extern const struct _mp_obj_module_t rgbmatrix_module; +#define RGBMATRIX_MODULE { MP_OBJ_NEW_QSTR(MP_QSTR_rgbmatrix),(mp_obj_t)&rgbmatrix_module }, +#else +#define RGBMATRIX_MODULE +#endif + #if CIRCUITPY_ROTARYIO extern const struct _mp_obj_module_t rotaryio_module; #define ROTARYIO_MODULE { MP_OBJ_NEW_QSTR(MP_QSTR_rotaryio), (mp_obj_t)&rotaryio_module }, @@ -849,6 +856,7 @@ extern const struct _mp_obj_module_t msgpack_module; PULSEIO_MODULE \ PWMIO_MODULE \ RANDOM_MODULE \ + RP2PIO_MODULE \ RE_MODULE \ RGBMATRIX_MODULE \ ROTARYIO_MODULE \ @@ -928,12 +936,15 @@ void supervisor_run_background_tasks_if_tick(void); #define CIRCUITPY_PYSTACK_SIZE 1536 #endif - // Wait this long imediately after startup to see if we are connected to USB. #ifndef CIRCUITPY_USB_CONNECTED_SLEEP_DELAY #define CIRCUITPY_USB_CONNECTED_SLEEP_DELAY 5 #endif +#ifndef CIRCUITPY_PROCESSOR_COUNT +#define CIRCUITPY_PROCESSOR_COUNT (1) +#endif + #define CIRCUITPY_BOOT_OUTPUT_FILE "/boot_out.txt" #define CIRCUITPY_VERBOSE_BLE 0 diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk index d0145a90f3..9c9b17f4b7 100644 --- a/py/circuitpy_mpconfig.mk +++ b/py/circuitpy_mpconfig.mk @@ -198,12 +198,18 @@ CFLAGS += -DCIRCUITPY_PULSEIO=$(CIRCUITPY_PULSEIO) # For now we tie PWMIO to PULSEIO so they always both exist. In CircuitPython 7 # we can enable and disable them separately once PWMOut is removed from `pulseio`. -CIRCUITPY_PWMIO = $(CIRCUITPY_PULSEIO) +CIRCUITPY_PWMIO ?= $(CIRCUITPY_PULSEIO) CFLAGS += -DCIRCUITPY_PWMIO=$(CIRCUITPY_PWMIO) CIRCUITPY_RANDOM ?= 1 CFLAGS += -DCIRCUITPY_RANDOM=$(CIRCUITPY_RANDOM) +# CIRCUITPY_RP2PIO is handled in the raspberrypi tree. +# Only for rp2 chips. +# Assume not a rp2 build. +CIRCUITPY_RP2PIO ?= 0 +CFLAGS += -DCIRCUITPY_RP2PIO=$(CIRCUITPY_RP2PIO) + CIRCUITPY_RGBMATRIX ?= 0 CFLAGS += -DCIRCUITPY_RGBMATRIX=$(CIRCUITPY_RGBMATRIX) diff --git a/shared-bindings/microcontroller/__init__.h b/shared-bindings/microcontroller/__init__.h index 0dafc74c72..39d3e718b4 100644 --- a/shared-bindings/microcontroller/__init__.h +++ b/shared-bindings/microcontroller/__init__.h @@ -29,6 +29,7 @@ #include "py/obj.h" #include "py/mpconfig.h" +#include "py/objtuple.h" #include "common-hal/microcontroller/Processor.h" #include "shared-bindings/microcontroller/ResetReason.h" @@ -44,7 +45,13 @@ extern void common_hal_mcu_reset(void); extern const mp_obj_dict_t mcu_pin_globals; +#if CIRCUITPY_PROCESSOR_COUNT == 1 extern const mcu_processor_obj_t common_hal_mcu_processor_obj; +#elif CIRCUITPY_PROCESSOR_COUNT > 1 +extern const mp_rom_obj_tuple_t common_hal_mcu_processor_obj; +#else +#error "Invalid processor count" +#endif #if CIRCUITPY_INTERNAL_NVM_SIZE > 0 diff --git a/shared-module/sdcardio/SDCard.c b/shared-module/sdcardio/SDCard.c index 9e861279d3..1712f58ee4 100644 --- a/shared-module/sdcardio/SDCard.c +++ b/shared-module/sdcardio/SDCard.c @@ -375,7 +375,7 @@ int common_hal_sdcardio_sdcard_readblocks(sdcardio_sdcard_obj_t *self, uint32_t return r; } -int _write(sdcardio_sdcard_obj_t *self, uint8_t token, void *buf, size_t size) { +STATIC int _write(sdcardio_sdcard_obj_t *self, uint8_t token, void *buf, size_t size) { wait_for_ready(self); uint8_t cmd[2]; @@ -420,7 +420,7 @@ int _write(sdcardio_sdcard_obj_t *self, uint8_t token, void *buf, size_t size) { return 0; } -int writeblocks(sdcardio_sdcard_obj_t *self, uint32_t start_block, mp_buffer_info_t *buf) { +STATIC int writeblocks(sdcardio_sdcard_obj_t *self, uint32_t start_block, mp_buffer_info_t *buf) { common_hal_sdcardio_check_for_deinit(self); uint32_t nblocks = buf->len / 512; if (nblocks == 1) { diff --git a/supervisor/shared/filesystem.c b/supervisor/shared/filesystem.c index 618dc796b8..09b30b6bad 100644 --- a/supervisor/shared/filesystem.c +++ b/supervisor/shared/filesystem.c @@ -79,6 +79,8 @@ static void make_sample_code_file(FATFS *fatfs) { f_open(fatfs, &fs, "/code.py", FA_WRITE | FA_CREATE_ALWAYS); f_write(&fs, buffer, sizeof(buffer) - 1, &char_written); f_close(&fs); + #else + make_empty_file(fatfs, "/code.py"); #endif } diff --git a/supervisor/shared/safe_mode.c b/supervisor/shared/safe_mode.c index 9032e40451..f8e871f975 100644 --- a/supervisor/shared/safe_mode.c +++ b/supervisor/shared/safe_mode.c @@ -28,7 +28,9 @@ #include "mphalport.h" +#if defined(MICROPY_HW_LED_STATUS) #include "shared-bindings/digitalio/DigitalInOut.h" +#endif #include "shared-bindings/microcontroller/Processor.h" #include "shared-bindings/microcontroller/ResetReason.h" diff --git a/supervisor/shared/workflow.c b/supervisor/shared/workflow.c index 4986c09570..9aac7c4d05 100644 --- a/supervisor/shared/workflow.c +++ b/supervisor/shared/workflow.c @@ -36,7 +36,9 @@ void supervisor_workflow_reset(void) { // Not that some chips don't notice when USB is unplugged after first being plugged in, // so this is not perfect, but tud_suspended() check helps. bool supervisor_workflow_connecting(void) { - return tud_connected() && !tud_suspended(); + return true; + // TODO: Use the below once we've updated TinyUSB for the RP2040. + // return tud_connected() && !tud_suspended(); } // Return true if host has completed connection to us (such as USB enumeration). diff --git a/tools/build_board_info.py b/tools/build_board_info.py index ce9d45fe2f..7b556ee5d2 100644 --- a/tools/build_board_info.py +++ b/tools/build_board_info.py @@ -26,6 +26,7 @@ SUPPORTED_PORTS = [ "litex", "mimxrt10xx", "nrf", + "raspberrypi", "stm", ] @@ -47,6 +48,7 @@ extension_by_port = { "mimxrt10xx": HEX_UF2, "litex": DFU, "esp32s2": BIN_UF2, + "raspberrypi": UF2, } # Per board overrides diff --git a/tools/build_memory_info.py b/tools/build_memory_info.py index 26697b9740..89aedf0f40 100644 --- a/tools/build_memory_info.py +++ b/tools/build_memory_info.py @@ -9,10 +9,10 @@ import re import sys # Handle size constants with K or M suffixes (allowed in .ld but not in Python). -K_PATTERN = re.compile(r'([0-9]+)K') +K_PATTERN = re.compile(r'([0-9]+)[kK]') K_REPLACE = r'(\1*1024)' -M_PATTERN = re.compile(r'([0-9]+)M') +M_PATTERN = re.compile(r'([0-9]+)[mM]') M_REPLACE = r'(\1*1024*1024)' print()