# This file is part of the MicroPython project, http://micropython.org/ # # The MIT License (MIT) # # 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 \ -Iasf4/$(CHIP_FAMILY) \ -Iasf4/$(CHIP_FAMILY)/hal/include \ -Iasf4/$(CHIP_FAMILY)/hal/utils/include \ -Iasf4/$(CHIP_FAMILY)/hri \ -Iasf4/$(CHIP_FAMILY)/hpl/core \ -Iasf4/$(CHIP_FAMILY)/hpl/gclk \ -Iasf4/$(CHIP_FAMILY)/hpl/pm \ -Iasf4/$(CHIP_FAMILY)/hpl/port \ -Iasf4/$(CHIP_FAMILY)/hpl/rtc \ -Iasf4/$(CHIP_FAMILY)/hpl/tc \ -Iasf4/$(CHIP_FAMILY)/include \ -Iasf4/$(CHIP_FAMILY)/CMSIS/Include \ -Iasf4_conf/$(CHIP_FAMILY) \ -Iboards/$(BOARD) \ -Iboards/ \ -Iperipherals/ \ -Ifreetouch \ -I../../lib/tinyusb/src \ -I../../supervisor/shared/usb \ -I$(BUILD) # NDEBUG disables assert() statements. This reduces code size pretty dramatically, per tannewt. ifeq ($(CHIP_FAMILY), samd21) CFLAGS += -Os -DNDEBUG # TinyUSB defines CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_SAMD21 -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_CDC_RX_BUFSIZE=128 -DCFG_TUD_MIDI_TX_BUFSIZE=128 -DCFG_TUD_CDC_TX_BUFSIZE=128 -DCFG_TUD_MSC_BUFSIZE=512 endif ifeq ($(CHIP_FAMILY), samd51) CFLAGS += -Os -DNDEBUG # TinyUSB defines CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_SAMD51 -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_CDC_RX_BUFSIZE=256 -DCFG_TUD_MIDI_TX_BUFSIZE=128 -DCFG_TUD_CDC_TX_BUFSIZE=256 -DCFG_TUD_MSC_BUFSIZE=1024 endif #Debugging/Optimization ifeq ($(DEBUG), 1) CFLAGS += -ggdb # You may want to disable -flto if it interferes with debugging. CFLAGS += -flto -flto-partition=none # You may want to enable these flags to make setting breakpoints easier. # CFLAGS += -fno-inline -fno-ipa-sra ifeq ($(CHIP_FAMILY), samd21) CFLAGS += -DENABLE_MICRO_TRACE_BUFFER endif else # -finline-limit can shrink the image size. # -finline-limit=80 or so is similar to not having it on. # There is no simple default value, though. # Do a default shrink for small builds. ifndef CFLAGS_INLINE_LIMIT ifeq ($(CIRCUITPY_FULL_BUILD),0) CFLAGS_INLINE_LIMIT = 50 endif endif ifdef CFLAGS_INLINE_LIMIT CFLAGS += -finline-limit=$(CFLAGS_INLINE_LIMIT) endif CFLAGS += -flto -flto-partition=none ifeq ($(CIRCUITPY_FULL_BUILD),0) CFLAGS += --param inline-unit-growth=15 --param max-inline-insns-auto=20 endif ifdef CFLAGS_BOARD CFLAGS += $(CFLAGS_BOARD) endif endif CFLAGS += $(INC) -Wall -Werror -std=gnu11 -nostdlib -fshort-enums $(BASE_CFLAGS) $(CFLAGS_MOD) $(COPT) ifeq ($(CHIP_FAMILY), samd21) CFLAGS += \ -mthumb \ -mabi=aapcs-linux \ -mcpu=cortex-m0plus \ -msoft-float \ -mfloat-abi=soft \ -DSAMD21 endif ifeq ($(CHIP_FAMILY), samd51) CFLAGS += \ -mthumb \ -mabi=aapcs-linux \ -mcpu=cortex-m4 \ -mfloat-abi=hard \ -mfpu=fpv4-sp-d16 \ -DSAMD51 endif LDFLAGS = $(CFLAGS) -nostartfiles -Wl,-nostdlib -Wl,-T,$(GENERATED_LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections -specs=nano.specs LIBS := -lgcc -lc # Use toolchain libm if we're not using our own. ifndef INTERNAL_LIBM LIBS += -lm endif ifeq ($(CHIP_FAMILY), samd21) LDFLAGS += -mthumb -mcpu=cortex-m0plus -Lasf/thirdparty/CMSIS/Lib/GCC/ BOOTLOADER_SIZE := 0x2000 else ifeq ($(CHIP_FAMILY), samd51) LDFLAGS += -mthumb -mcpu=cortex-m4 BOOTLOADER_SIZE := 0x4000 endif SRC_ASF := \ gcc/gcc/startup_$(CHIP_FAMILY).c \ gcc/system_$(CHIP_FAMILY).c \ hal/src/hal_adc_sync.c \ hal/src/hal_atomic.c \ hal/src/hal_calendar.c \ hal/src/hal_dac_sync.c \ hal/src/hal_delay.c \ hal/src/hal_flash.c \ hal/src/hal_i2c_m_sync.c \ hal/src/hal_io.c \ hal/src/hal_sleep.c \ hal/src/hal_spi_m_sync.c \ hal/src/hal_timer.c \ hal/src/hal_usart_async.c \ hpl/adc/hpl_adc.c \ hpl/core/hpl_init.c \ hpl/dac/hpl_dac.c \ hpl/gclk/hpl_gclk.c \ hpl/nvmctrl/hpl_nvmctrl.c \ hpl/pm/hpl_pm.c \ hpl/sercom/hpl_sercom.c \ hpl/systick/hpl_systick.c \ hal/utils/src/utils_list.c \ hal/utils/src/utils_ringbuffer.c \ ifeq ($(CHIP_FAMILY), samd21) SRC_ASF += \ hpl/core/hpl_core_m0plus_base.c \ hpl/sysctrl/hpl_sysctrl.c \ else ifeq ($(CHIP_FAMILY), samd51) SRC_ASF += \ hal/src/hal_rand_sync.c \ hpl/core/hpl_core_m4.c \ hpl/mclk/hpl_mclk.c \ hpl/osc32kctrl/hpl_osc32kctrl.c \ hpl/oscctrl/hpl_oscctrl.c \ hpl/trng/hpl_trng.c \ endif SRC_ASF := $(addprefix asf4/$(CHIP_FAMILY)/, $(SRC_ASF)) SRC_C = \ audio_dma.c \ background.c \ bindings/samd/Clock.c \ bindings/samd/__init__.c \ boards/$(BOARD)/board.c \ boards/$(BOARD)/pins.c \ eic_handler.c \ fatfs_port.c \ freetouch/adafruit_ptc.c \ lib/libc/string0.c \ lib/mp-readline/readline.c \ lib/oofatfs/ff.c \ lib/oofatfs/option/ccsbcs.c \ lib/timeutils/timeutils.c \ lib/tinyusb/src/portable/microchip/samd/dcd_samd.c \ lib/utils/buffer_helper.c \ lib/utils/context_manager_helpers.c \ lib/utils/interrupt_char.c \ lib/utils/pyexec.c \ lib/utils/stdout_helpers.c \ lib/utils/sys_stdio_mphal.c \ mphalport.c \ peripherals/samd/$(CHIP_FAMILY)/adc.c \ peripherals/samd/$(CHIP_FAMILY)/cache.c \ peripherals/samd/$(CHIP_FAMILY)/clocks.c \ peripherals/samd/$(CHIP_FAMILY)/dma.c \ peripherals/samd/$(CHIP_FAMILY)/events.c \ peripherals/samd/$(CHIP_FAMILY)/external_interrupts.c \ peripherals/samd/$(CHIP_FAMILY)/pins.c \ peripherals/samd/$(CHIP_FAMILY)/sercom.c \ peripherals/samd/$(CHIP_FAMILY)/timers.c \ peripherals/samd/clocks.c \ peripherals/samd/dma.c \ peripherals/samd/events.c \ peripherals/samd/external_interrupts.c \ peripherals/samd/sercom.c \ peripherals/samd/timers.c \ reset.c \ supervisor/shared/memory.c \ timer_handler.c \ ifeq ($(CIRCUITPY_NETWORK),1) CFLAGS += -DMICROPY_PY_NETWORK=1 SRC_MOD += lib/netutils/netutils.c ifneq ($(MICROPY_PY_WIZNET5K),0) WIZNET5K_DIR=drivers/wiznet5k INC += -I$(TOP)/$(WIZNET5K_DIR) CFLAGS_MOD += -DMICROPY_PY_WIZNET5K=$(MICROPY_PY_WIZNET5K) -D_WIZCHIP_=$(MICROPY_PY_WIZNET5K) SRC_MOD += $(addprefix $(WIZNET5K_DIR)/,\ ethernet/w$(MICROPY_PY_WIZNET5K)/w$(MICROPY_PY_WIZNET5K).c \ ethernet/wizchip_conf.c \ ethernet/socket.c \ internet/dns/dns.c \ internet/dhcp/dhcp.c \ ) endif # MICROPY_PY_WIZNET5K endif # CIRCUITPY_NETWORK ifeq ($(CIRCUITPY_NETWORK),1) ifneq ($(MICROPY_PY_WIZNET5K),0) SRC_SHARED_MODULE += wiznet/__init__.c wiznet/wiznet5k.c endif endif # The smallest SAMD51 packages don't have I2S. Everything else does. ifeq ($(CIRCUITPY_AUDIOBUSIO),1) SRC_C += peripherals/samd/i2s.c peripherals/samd/$(CHIP_FAMILY)/i2s.c endif 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 OBJ = $(PY_O) $(SUPERVISOR_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_ASF:.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_MOD:.c=.o)) SRC_QSTR += $(SRC_C) $(SRC_SUPERVISOR) $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED) # Sources that only hold QSTRs after pre-processing. SRC_QSTR_PREPROCESSOR += peripherals/samd/$(CHIP_FAMILY)/clocks.c all: $(BUILD)/firmware.bin $(BUILD)/firmware.uf2 $(BUILD)/firmware.elf: $(OBJ) $(GENERATED_LD_FILE) $(STEPECHO) "LINK $@" $(Q)$(CC) -o $@ $(LDFLAGS) $(OBJ) -Wl,--start-group $(LIBS) -Wl,--end-group $(Q)$(SIZE) $@ | $(PYTHON3) $(TOP)/tools/build_memory_info.py $(GENERATED_LD_FILE) $(BUILD)/firmware.bin: $(BUILD)/firmware.elf $(STEPECHO) "Create $@" $(Q)$(OBJCOPY) -O binary -j .vectors -j .text -j .data $^ $@ $(BUILD)/firmware.uf2: $(BUILD)/firmware.bin $(STEPECHO) "Create $@" $(Q)$(PYTHON3) $(TOP)/tools/uf2/utils/uf2conv.py -b $(BOOTLOADER_SIZE) -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 $* = $($*)