From 4f1b7fec9f103c92de40875e9a06b7decc4923f4 Mon Sep 17 00:00:00 2001 From: Dave Hylands Date: Sun, 15 Jun 2014 22:33:14 -0700 Subject: [PATCH] Updated teensy to build. Refactored some stmhal files which are shared with teensy. --- py/mkrules.mk | 6 + stmhal/gccollect.c | 5 +- stmhal/mpconfigport.h | 8 + stmhal/pin.c | 13 +- stmhal/pin.h | 80 +--- stmhal/pin_defs_stmhal.h | 96 +++++ stmhal/pin_named_pins.c | 5 +- stmhal/pybstdio.c | 5 +- stmhal/pyexec.c | 5 +- stmhal/readline.c | 5 +- teensy/Makefile | 59 ++- teensy/hal_gpio.c | 115 ++++++ teensy/help.c | 123 ++++++ teensy/import.c | 22 ++ teensy/lcd.c | 7 +- teensy/led.c | 153 +++++--- teensy/led.h | 4 +- teensy/lexerfatfs.c | 11 +- teensy/lexermemzip.c | 2 +- teensy/main.c | 411 ++++++-------------- teensy/make-pins.py | 326 ++++++++++++++++ teensy/memzip.c | 88 ++++- teensy/memzip.h | 10 + teensy/memzip_files/boot.py | 1 + teensy/memzip_files/{src => }/main.py | 10 +- teensy/memzip_files/src/test.py | 1 - teensy/memzip_files/test.py | 1 - teensy/mk20dx256-af.csv | 65 ++++ teensy/mk20dx256-prefix.c | 37 ++ teensy/mk20dx256.ld | 174 ++++----- teensy/modpyb.c | 341 +++++++++++++++++ teensy/mpconfigport.h | 88 ++++- teensy/pin_defs_teensy.h | 46 +++ teensy/qstrdefsport.h | 62 ++- teensy/servo.h | 7 +- teensy/teensy-pins.csv | 55 +++ teensy/teensy_hal.c | 16 + teensy/teensy_hal.h | 108 ++++++ teensy/uart.c | 524 ++++++++++++++++++++++++++ teensy/usart.c | 38 -- teensy/usb.c | 9 +- 41 files changed, 2541 insertions(+), 601 deletions(-) create mode 100644 stmhal/pin_defs_stmhal.h create mode 100644 teensy/hal_gpio.c create mode 100644 teensy/help.c create mode 100644 teensy/import.c create mode 100755 teensy/make-pins.py rename teensy/memzip_files/{src => }/main.py (57%) delete mode 100644 teensy/memzip_files/src/test.py delete mode 100644 teensy/memzip_files/test.py create mode 100644 teensy/mk20dx256-af.csv create mode 100644 teensy/mk20dx256-prefix.c create mode 100644 teensy/modpyb.c create mode 100644 teensy/pin_defs_teensy.h create mode 100644 teensy/teensy-pins.csv create mode 100644 teensy/teensy_hal.c create mode 100644 teensy/teensy_hal.h create mode 100644 teensy/uart.c delete mode 100644 teensy/usart.c diff --git a/py/mkrules.mk b/py/mkrules.mk index 9592d6c590..7d366c9c3e 100644 --- a/py/mkrules.mk +++ b/py/mkrules.mk @@ -97,4 +97,10 @@ print-cfg: $(ECHO) "OBJ = $(OBJ)" .PHONY: print-cfg +print-def: + @$(ECHO) "The following defines are built into the $(CC) compiler" + touch __empty__.c + @$(CC) -E -Wp,-dM __empty__.c + @$(RM) -f __empty__.c + -include $(OBJ:.o=.P) diff --git a/stmhal/gccollect.c b/stmhal/gccollect.c index 79082e2f2e..64ac7baa7d 100644 --- a/stmhal/gccollect.c +++ b/stmhal/gccollect.c @@ -25,8 +25,7 @@ */ #include - -#include +#include #include "misc.h" #include "mpconfig.h" @@ -35,6 +34,8 @@ #include "gc.h" #include "gccollect.h" +#include HAL_H + machine_uint_t gc_helper_get_regs_and_sp(machine_uint_t *regs); // obsolete diff --git a/stmhal/mpconfigport.h b/stmhal/mpconfigport.h index 28cd90bb01..7c1f582755 100644 --- a/stmhal/mpconfigport.h +++ b/stmhal/mpconfigport.h @@ -104,3 +104,11 @@ typedef const void *machine_const_ptr_t; // must be of pointer size // We need to provide a declaration/definition of alloca() #include + +#define HAL_H +#define PIN_DEFS_PORT_H "pin_defs_stmhal.h" + +#define GPIO_read_pin(gpio, pin) (((gpio)->IDR >> (pin)) & 1) +#define GPIO_set_pin(gpio, pin_mask) (((gpio)->BSRRL) = (pin_mask)) +#define GPIO_clear_pin(gpio, pin_mask) (((gpio)->BSRRH) = (pin_mask)) + diff --git a/stmhal/pin.c b/stmhal/pin.c index 9806a8c49a..6ee5fa564e 100644 --- a/stmhal/pin.c +++ b/stmhal/pin.c @@ -28,9 +28,8 @@ #include #include -#include "stm32f4xx_hal.h" - #include "mpconfig.h" +#include HAL_H #include "nlr.h" #include "misc.h" #include "qstr.h" @@ -310,13 +309,13 @@ STATIC mp_obj_t pin_value(uint n_args, mp_obj_t *args) { pin_obj_t *self = args[0]; if (n_args == 1) { // get pin - return MP_OBJ_NEW_SMALL_INT((self->gpio->IDR >> self->pin) & 1); + return MP_OBJ_NEW_SMALL_INT(GPIO_read_pin(self->gpio, self->pin)); } else { // set pin if (mp_obj_is_true(args[1])) { - self->gpio->BSRRL = self->pin_mask; + GPIO_set_pin(self->gpio, self->pin_mask); } else { - self->gpio->BSRRH = self->pin_mask; + GPIO_clear_pin(self->gpio, self->pin_mask); } return mp_const_none; } @@ -327,7 +326,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pin_value_obj, 1, 2, pin_value); /// Set the pin to a low logic level. STATIC mp_obj_t pin_low(mp_obj_t self_in) { pin_obj_t *self = self_in; - self->gpio->BSRRH = self->pin_mask; + GPIO_clear_pin(self->gpio, self->pin_mask);; return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_low_obj, pin_low); @@ -336,7 +335,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_low_obj, pin_low); /// Set the pin to a high logic level. STATIC mp_obj_t pin_high(mp_obj_t self_in) { pin_obj_t *self = self_in; - self->gpio->BSRRL = self->pin_mask; + GPIO_set_pin(self->gpio, self->pin_mask);; return mp_const_none; } STATIC MP_DEFINE_CONST_FUN_OBJ_1(pin_high_obj, pin_high); diff --git a/stmhal/pin.h b/stmhal/pin.h index d60bd22fd7..8b3b862773 100644 --- a/stmhal/pin.h +++ b/stmhal/pin.h @@ -24,63 +24,10 @@ * THE SOFTWARE. */ -enum { - PORT_A, - PORT_B, - PORT_C, - PORT_D, - PORT_E, - PORT_F, - PORT_G, - PORT_H, - PORT_I, - PORT_J, -}; +// This file requires pin_defs_xxx.h (which has port specific enums and +// defines, so we include it here. It should never be included directly -enum { - AF_FN_TIM, - AF_FN_I2C, - AF_FN_USART, - AF_FN_UART = AF_FN_USART, - AF_FN_SPI -}; - -enum { - AF_PIN_TYPE_TIM_CH1 = 0, - AF_PIN_TYPE_TIM_CH2, - AF_PIN_TYPE_TIM_CH3, - AF_PIN_TYPE_TIM_CH4, - AF_PIN_TYPE_TIM_CH1N, - AF_PIN_TYPE_TIM_CH2N, - AF_PIN_TYPE_TIM_CH3N, - AF_PIN_TYPE_TIM_CH1_ETR, - AF_PIN_TYPE_TIM_ETR, - AF_PIN_TYPE_TIM_BKIN, - - AF_PIN_TYPE_I2C_SDA = 0, - AF_PIN_TYPE_I2C_SCL, - - AF_PIN_TYPE_USART_TX = 0, - AF_PIN_TYPE_USART_RX, - AF_PIN_TYPE_USART_CTS, - AF_PIN_TYPE_USART_RTS, - AF_PIN_TYPE_USART_CK, - AF_PIN_TYPE_UART_TX = AF_PIN_TYPE_USART_TX, - AF_PIN_TYPE_UART_RX = AF_PIN_TYPE_USART_RX, - AF_PIN_TYPE_UART_CTS = AF_PIN_TYPE_USART_CTS, - AF_PIN_TYPE_UART_RTS = AF_PIN_TYPE_USART_RTS, - - AF_PIN_TYPE_SPI_MOSI = 0, - AF_PIN_TYPE_SPI_MISO, - AF_PIN_TYPE_SPI_SCK, - AF_PIN_TYPE_SPI_NSS, -}; - -enum { - PIN_ADC1 = (1 << 0), - PIN_ADC2 = (1 << 1), - PIN_ADC3 = (1 << 2), -}; +#include PIN_DEFS_PORT_H typedef struct { mp_obj_base_t base; @@ -91,24 +38,21 @@ typedef struct { union { void *reg; - TIM_TypeDef *TIM; - I2C_TypeDef *I2C; - USART_TypeDef *USART; - USART_TypeDef *UART; - SPI_TypeDef *SPI; + + PIN_DEFS_PORT_AF_UNION }; } pin_af_obj_t; typedef struct { mp_obj_base_t base; const char *name; - uint16_t port : 4; - uint16_t pin : 4; - uint16_t num_af : 4; - uint16_t adc_channel : 4; - uint16_t adc_num : 3; // 1 bit per ADC - uint16_t pin_mask; - GPIO_TypeDef *gpio; + uint32_t port : 4; + uint32_t pin : 5; // Some ARM processors use 32 bits/PORT + uint32_t num_af : 4; + uint32_t adc_channel : 5; // Some ARM processors use 32 bits/PORT + uint32_t adc_num : 3; // 1 bit per ADC + uint32_t pin_mask; + pin_gpio_t *gpio; const pin_af_obj_t *af; } pin_obj_t; diff --git a/stmhal/pin_defs_stmhal.h b/stmhal/pin_defs_stmhal.h new file mode 100644 index 0000000000..2b6d9da0e7 --- /dev/null +++ b/stmhal/pin_defs_stmhal.h @@ -0,0 +1,96 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * 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. + */ + +// This file contains pin definitions that are specific to the stmhal port. +// This file should only ever be #included by pin.h and not directly. + +enum { + PORT_A, + PORT_B, + PORT_C, + PORT_D, + PORT_E, + PORT_F, + PORT_G, + PORT_H, + PORT_I, + PORT_J, +}; + +enum { + AF_FN_TIM, + AF_FN_I2C, + AF_FN_USART, + AF_FN_UART = AF_FN_USART, + AF_FN_SPI +}; + +enum { + AF_PIN_TYPE_TIM_CH1 = 0, + AF_PIN_TYPE_TIM_CH2, + AF_PIN_TYPE_TIM_CH3, + AF_PIN_TYPE_TIM_CH4, + AF_PIN_TYPE_TIM_CH1N, + AF_PIN_TYPE_TIM_CH2N, + AF_PIN_TYPE_TIM_CH3N, + AF_PIN_TYPE_TIM_CH1_ETR, + AF_PIN_TYPE_TIM_ETR, + AF_PIN_TYPE_TIM_BKIN, + + AF_PIN_TYPE_I2C_SDA = 0, + AF_PIN_TYPE_I2C_SCL, + + AF_PIN_TYPE_USART_TX = 0, + AF_PIN_TYPE_USART_RX, + AF_PIN_TYPE_USART_CTS, + AF_PIN_TYPE_USART_RTS, + AF_PIN_TYPE_USART_CK, + AF_PIN_TYPE_UART_TX = AF_PIN_TYPE_USART_TX, + AF_PIN_TYPE_UART_RX = AF_PIN_TYPE_USART_RX, + AF_PIN_TYPE_UART_CTS = AF_PIN_TYPE_USART_CTS, + AF_PIN_TYPE_UART_RTS = AF_PIN_TYPE_USART_RTS, + + AF_PIN_TYPE_SPI_MOSI = 0, + AF_PIN_TYPE_SPI_MISO, + AF_PIN_TYPE_SPI_SCK, + AF_PIN_TYPE_SPI_NSS, +}; + +enum { + PIN_ADC1 = (1 << 0), + PIN_ADC2 = (1 << 1), + PIN_ADC3 = (1 << 2), +}; + +#define PIN_DEFS_PORT_AF_UNION \ + TIM_TypeDef *TIM; \ + I2C_TypeDef *I2C; \ + USART_TypeDef *USART; \ + USART_TypeDef *UART; \ + SPI_TypeDef *SPI; + +typedef GPIO_TypeDef pin_gpio_t; + diff --git a/stmhal/pin_named_pins.c b/stmhal/pin_named_pins.c index 3a1794e1d9..137b6bef82 100644 --- a/stmhal/pin_named_pins.c +++ b/stmhal/pin_named_pins.c @@ -28,10 +28,11 @@ #include #include -#include "stm32f4xx_hal.h" - #include "misc.h" #include "mpconfig.h" + +#include HAL_H + #include "qstr.h" #include "obj.h" #include "runtime.h" diff --git a/stmhal/pybstdio.c b/stmhal/pybstdio.c index 05ea06eb44..b6b5560be1 100644 --- a/stmhal/pybstdio.c +++ b/stmhal/pybstdio.c @@ -25,8 +25,7 @@ */ #include - -#include +#include #include "misc.h" #include "mpconfig.h" @@ -38,6 +37,8 @@ #include "usb.h" #include "uart.h" +#include HAL_H + // TODO make stdin, stdout and stderr writable objects so they can // be changed by Python code. diff --git a/stmhal/pyexec.c b/stmhal/pyexec.c index 45928427e1..48be225af2 100644 --- a/stmhal/pyexec.c +++ b/stmhal/pyexec.c @@ -26,8 +26,7 @@ #include #include - -#include +#include #include "mpconfig.h" #include "nlr.h" @@ -50,6 +49,8 @@ #include "usb.h" #include "genhdr/py-version.h" +#include HAL_H + pyexec_mode_kind_t pyexec_mode_kind = PYEXEC_MODE_FRIENDLY_REPL; STATIC bool repl_display_debugging_info = 0; diff --git a/stmhal/readline.c b/stmhal/readline.c index d40bd4219b..f75734396d 100644 --- a/stmhal/readline.c +++ b/stmhal/readline.c @@ -25,10 +25,9 @@ */ #include +#include #include -#include - #include "misc.h" #include "mpconfig.h" #include "qstr.h" @@ -38,6 +37,8 @@ #include "readline.h" #include "usb.h" +#include HAL_H + #if 0 // print debugging info #define DEBUG_PRINT (1) #define DEBUG_printf printf diff --git a/teensy/Makefile b/teensy/Makefile index 00f3514724..76cc81ee19 100644 --- a/teensy/Makefile +++ b/teensy/Makefile @@ -20,12 +20,15 @@ CFLAGS_CORTEX_M4 = -mthumb -mtune=cortex-m4 -mcpu=cortex-m4 -fsingle-precision-c INC = -I. INC += -I$(PY_SRC) +INC += -I../stmhal INC += -I$(BUILD) INC += -I$(CORE_PATH) CFLAGS = $(INC) -Wall -ansi -std=gnu99 $(CFLAGS_CORTEX_M4) LDFLAGS = -nostdlib -T mk20dx256.ld -LIBS = -L $(COMPILER_PATH)/../lib/gcc/arm-none-eabi/4.7.2/thumb2 -lgcc +LIBS = -L $(COMPILER_PATH)/../arm-none-eabi/lib/thumb2 -lm +LIBS += -L $(COMPILER_PATH)/../arm-none-eabi/lib/thumb2 -lc +LIBS += -L $(COMPILER_PATH)/../lib/gcc/arm-none-eabi/4.7.2/thumb2 -lgcc #Debugging/Optimization ifdef DEBUG @@ -35,23 +38,32 @@ CFLAGS += -Os #-DNDEBUG endif SRC_C = \ + hal_gpio.c \ + help.c \ + import.c \ main.c \ lcd.c \ led.c \ - lexerfatfs.c \ lexermemzip.c \ memzip.c \ - servo.c \ - usart.c \ + modpyb.c \ + teensy_hal.c \ + uart.c \ usb.c \ -STM_SRC_C = $(addprefix stm/,\ - malloc0.c \ +STM_SRC_C = $(addprefix stmhal/,\ + gccollect.c \ + input.c \ + pin.c \ + pin_named_pins.c \ printf.c \ + pyexec.c \ + pybstdio.c \ + readline.c \ string0.c \ ) -STM_SRC_S = $(addprefix stm/,\ +STM_SRC_S = $(addprefix stmhal/,\ gchelper.s \ ) @@ -66,9 +78,7 @@ SRC_TEENSY = \ yield.c \ OBJ = $(PY_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o) $(STM_SRC_C:.c=.o) $(STM_SRC_S:.s=.o) $(SRC_TEENSY:.c=.o)) -#LIB = -lreadline -# the following is needed for BSD -#LIB += -ltermcap +OBJ += $(BUILD)/pins_gen.o all: hex hex: $(BUILD)/micropython-mz.hex @@ -84,7 +94,7 @@ reboot: upload: post_compile reboot $(BUILD)/micropython.elf: $(OBJ) - $(ECHO) "LINK $<" + $(ECHO) "LINK $@" $(Q)$(CC) $(LDFLAGS) -o "$@" -Wl,-Map,$(@:.elf=.map) $(OBJ) $(LIBS) $(Q)$(SIZE) $@ @@ -103,4 +113,31 @@ $(BUILD)/%.hex: $(BUILD)/%.elf $(BUILD)/%.o: $(CORE_PATH)/%.c $(call compile_c) +MAKE_PINS = make-pins.py +BOARD_PINS = teensy-pins.csv +AF_FILE = mk20dx256-af.csv +PREFIX_FILE = mk20dx256-prefix.c +GEN_PINS_SRC = $(BUILD)/pins_gen.c +GEN_PINS_HDR = $(HEADER_BUILD)/pins.h + +# Making OBJ use an order-only depenedency on the generated pins.h file +# has the side effect of making the pins.h file before we actually compile +# any of the objects. The normal dependency generation will deal with the +# case when pins.h is modified. But when it doesn't exist, we don't know +# which source files might need it. +$(OBJ): | $(HEADER_BUILD)/pins.h + +# Use a pattern rule here so that make will only call make-pins.py once to make +# both pins_$(BOARD).c and pins.h +$(BUILD)/%_gen.c $(HEADER_BUILD)/%.h: teensy-%.csv $(MAKE_PINS) $(AF_FILE) $(PREFIX_FILE) + $(ECHO) "Create $@" + $(Q)$(PYTHON) $(MAKE_PINS) --board $(BOARD_PINS) --af $(AF_FILE) --prefix $(PREFIX_FILE) --hdr $(GEN_PINS_HDR) > $(GEN_PINS_SRC) + +$(BUILD)/pins_gen.o: $(BUILD)/pins_gen.c + $(call compile_c) + +$(BUILD)/%.pp: $(BUILD)/%.c + $(ECHO) "PreProcess $<" + $(Q)$(CC) $(CFLAGS) -E -Wp,-C,-dD,-dI -o $@ $< + include ../py/mkrules.mk diff --git a/teensy/hal_gpio.c b/teensy/hal_gpio.c new file mode 100644 index 0000000000..0811f76fda --- /dev/null +++ b/teensy/hal_gpio.c @@ -0,0 +1,115 @@ +#include +#include +#include "teensy_hal.h" + +#define GPIO_NUMBER 32 + +void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_Init) +{ + /* Check the parameters */ + assert_param(IS_GPIO_PIN(GPIO_Init->Pin)); + assert_param(IS_GPIO_MODE(GPIO_Init->Mode)); + assert_param(IS_GPIO_PULL(GPIO_Init->Pull)); + + /* Configure the port pins */ + for (uint32_t position = 0; position < GPIO_NUMBER; position++) { + uint32_t bitmask = 1 << position; + if ((GPIO_Init->Pin & bitmask) == 0) { + continue; + } + + volatile uint32_t *port_pcr = GPIO_PIN_TO_PORT_PCR(GPIOx, position); + + /*--------------------- GPIO Mode Configuration ------------------------*/ + /* In case of Alternate function mode selection */ + if ((GPIO_Init->Mode == GPIO_MODE_AF_PP) || (GPIO_Init->Mode == GPIO_MODE_AF_OD)) { + /* Check the Alternate function parameter */ + assert_param(IS_GPIO_AF(GPIO_Init->Alternate)); + /* Configure Alternate function mapped with the current IO */ + + *port_pcr &= ~PORT_PCR_MUX_MASK; + *port_pcr |= PORT_PCR_MUX(GPIO_Init->Alternate); + } + + /* Configure IO Direction mode (Input, Output, Alternate or Analog) */ + if (GPIO_Init->Mode == GPIO_MODE_INPUT || GPIO_Init->Mode == GPIO_MODE_ANALOG) { + GPIOx->PDDR &= ~bitmask; + } else { + GPIOx->PDDR |= bitmask; + } + + /* In case of Output or Alternate function mode selection */ + if ((GPIO_Init->Mode == GPIO_MODE_OUTPUT_PP) || (GPIO_Init->Mode == GPIO_MODE_AF_PP) || + (GPIO_Init->Mode == GPIO_MODE_OUTPUT_OD) || (GPIO_Init->Mode == GPIO_MODE_AF_OD)) { + /* Check the Speed parameter */ + assert_param(IS_GPIO_SPEED(GPIO_Init->Speed)); + + /* Configure the IO Speed */ + if (GPIO_Init->Speed > GPIO_SPEED_MEDIUM) { + *port_pcr &= ~PORT_PCR_SRE; + } else { + *port_pcr |= PORT_PCR_SRE; + } + + /* Configure the IO Output Type */ + if (GPIO_Init->Mode & GPIO_OUTPUT_TYPE) { + *port_pcr |= PORT_PCR_ODE; + } else { + *port_pcr &= ~PORT_PCR_ODE; + } + } + + /* Activate the Pull-up or Pull down resistor for the current IO */ + if (GPIO_Init->Pull == GPIO_NOPULL) { + *port_pcr &= ~PORT_PCR_PE; + } else { + *port_pcr |= PORT_PCR_PE; + if (GPIO_Init->Pull == GPIO_PULLDOWN) { + *port_pcr &= ~PORT_PCR_PS; + } else { + *port_pcr |= PORT_PCR_PS; + } + } + +#if 0 + /*--------------------- EXTI Mode Configuration ------------------------*/ + /* Configure the External Interrupt or event for the current IO */ + if((GPIO_Init->Mode & EXTI_MODE) == EXTI_MODE) + { + /* Enable SYSCFG Clock */ + __SYSCFG_CLK_ENABLE(); + + temp = ((uint32_t)0x0F) << (4 * (position & 0x03)); + SYSCFG->EXTICR[position >> 2] &= ~temp; + SYSCFG->EXTICR[position >> 2] |= ((uint32_t)(__HAL_GET_GPIO_SOURCE(GPIOx)) << (4 * (position & 0x03))); + + /* Clear EXTI line configuration */ + EXTI->IMR &= ~((uint32_t)iocurrent); + EXTI->EMR &= ~((uint32_t)iocurrent); + + if((GPIO_Init->Mode & GPIO_MODE_IT) == GPIO_MODE_IT) + { + EXTI->IMR |= iocurrent; + } + if((GPIO_Init->Mode & GPIO_MODE_EVT) == GPIO_MODE_EVT) + { + EXTI->EMR |= iocurrent; + } + + /* Clear Rising Falling edge configuration */ + EXTI->RTSR &= ~((uint32_t)iocurrent); + EXTI->FTSR &= ~((uint32_t)iocurrent); + + if((GPIO_Init->Mode & RISING_EDGE) == RISING_EDGE) + { + EXTI->RTSR |= iocurrent; + } + if((GPIO_Init->Mode & FALLING_EDGE) == FALLING_EDGE) + { + EXTI->FTSR |= iocurrent; + } + } +#endif + } +} + diff --git a/teensy/help.c b/teensy/help.c new file mode 100644 index 0000000000..598b6f4e30 --- /dev/null +++ b/teensy/help.c @@ -0,0 +1,123 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * 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 + +#include "mpconfig.h" +#include "nlr.h" +#include "misc.h" +#include "qstr.h" +#include "obj.h" + +STATIC const char *help_text = +"Welcome to Micro Python!\n" +"\n" +"For online help please visit http://micropython.org/help/.\n" +"\n" +"Quick overview of commands for the board:\n" +" pyb.info() -- print some general information\n" +" pyb.gc() -- run the garbage collector\n" +" pyb.delay(n) -- wait for n milliseconds\n" +" pyb.Switch() -- create a switch object\n" +" Switch methods: (), callback(f)\n" +" pyb.LED(n) -- create an LED object for LED n (n=1,2,3,4)\n" +" LED methods: on(), off(), toggle(), intensity()\n" +" pyb.Pin(pin) -- get a pin, eg pyb.Pin('X1')\n" +" pyb.Pin(pin, m, [p]) -- get a pin and configure it for IO mode m, pull mode p\n" +" Pin methods: init(..), value([v]), high(), low()\n" +" pyb.ExtInt(pin, m, p, callback) -- create an external interrupt object\n" +" pyb.ADC(pin) -- make an analog object from a pin\n" +" ADC methods: read(), read_timed(buf, freq)\n" +" pyb.DAC(port) -- make a DAC object\n" +" DAC methods: triangle(freq), write(n), write_timed(buf, freq)\n" +" pyb.RTC() -- make an RTC object; methods: datetime([val])\n" +" pyb.rng() -- get a 30-bit hardware random number\n" +" pyb.Servo(n) -- create Servo object for servo n (n=1,2,3,4)\n" +" Servo methods: calibration(..), angle([x, [t]]), speed([x, [t]])\n" +" pyb.Accel() -- create an Accelerometer object\n" +" Accelerometer methods: x(), y(), z(), tilt(), filtered_xyz()\n" +"\n" +"Pins are numbered X1-X12, X17-X22, Y1-Y12, or by their MCU name\n" +"Pin IO modes are: pyb.Pin.IN, pyb.Pin.OUT_PP, pyb.Pin.OUT_OD\n" +"Pin pull modes are: pyb.Pin.PULL_NONE, pyb.Pin.PULL_UP, pyb.Pin.PULL_DOWN\n" +"Additional serial bus objects: pyb.I2C(n), pyb.SPI(n), pyb.UART(n)\n" +"\n" +"Control commands:\n" +" CTRL-A -- on a blank line, enter raw REPL mode\n" +" CTRL-B -- on a blank line, enter normal REPL mode\n" +" CTRL-C -- interrupt a running program\n" +" CTRL-D -- on a blank line, do a soft reset of the board\n" +"\n" +"For further help on a specific object, type help(obj)\n" +; + +STATIC void pyb_help_print_info_about_object(mp_obj_t name_o, mp_obj_t value) { + printf(" "); + mp_obj_print(name_o, PRINT_STR); + printf(" -- "); + mp_obj_print(value, PRINT_STR); + printf("\n"); +} + +STATIC mp_obj_t pyb_help(uint n_args, const mp_obj_t *args) { + if (n_args == 0) { + // print a general help message + printf("%s", help_text); + + } else { + // try to print something sensible about the given object + + printf("object "); + mp_obj_print(args[0], PRINT_STR); + printf(" is of type %s\n", mp_obj_get_type_str(args[0])); + + mp_map_t *map = NULL; + if (MP_OBJ_IS_TYPE(args[0], &mp_type_module)) { + map = mp_obj_dict_get_map(mp_obj_module_get_globals(args[0])); + } else { + mp_obj_type_t *type; + if (MP_OBJ_IS_TYPE(args[0], &mp_type_type)) { + type = args[0]; + } else { + type = mp_obj_get_type(args[0]); + } + if (type->locals_dict != MP_OBJ_NULL && MP_OBJ_IS_TYPE(type->locals_dict, &mp_type_dict)) { + map = mp_obj_dict_get_map(type->locals_dict); + } + } + if (map != NULL) { + for (uint i = 0; i < map->alloc; i++) { + if (map->table[i].key != MP_OBJ_NULL) { + pyb_help_print_info_about_object(map->table[i].key, map->table[i].value); + } + } + } + } + + return mp_const_none; +} + +MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_help_obj, 0, 1, pyb_help); diff --git a/teensy/import.c b/teensy/import.c new file mode 100644 index 0000000000..967de102ac --- /dev/null +++ b/teensy/import.c @@ -0,0 +1,22 @@ +#include +#include + +#include "misc.h" +#include "mpconfig.h" +#include "qstr.h" +#include "lexer.h" + +#include "memzip.h" + +mp_import_stat_t mp_import_stat(const char *path) { + MEMZIP_FILE_INFO info; + + if (memzip_stat(path, &info) != MZ_OK) { + return MP_IMPORT_STAT_NO_EXIST; + } + + if (info.is_dir) { + return MP_IMPORT_STAT_DIR; + } + return MP_IMPORT_STAT_FILE; +} diff --git a/teensy/lcd.c b/teensy/lcd.c index cc3f52bad5..5b991aac77 100644 --- a/teensy/lcd.c +++ b/teensy/lcd.c @@ -1,5 +1,10 @@ +#include "mpconfig.h" +#include "nlr.h" #include "misc.h" -#include "../stm/lcd.h" +#include "qstr.h" +#include "parse.h" +#include "obj.h" +#include "../stmhal/lcd.h" void lcd_init(void) { } diff --git a/teensy/led.c b/teensy/led.c index e2a0574168..d825f32198 100644 --- a/teensy/led.c +++ b/teensy/led.c @@ -1,53 +1,115 @@ #include -#include "misc.h" -#include "mpconfig.h" -#include "qstr.h" -#include "obj.h" -#include "led.h" - #include "Arduino.h" +#include "mpconfig.h" +#include HAL_H +#include "nlr.h" +#include "misc.h" +#include "qstr.h" +#include "obj.h" +#include "runtime.h" +#include "led.h" +#include "pin.h" +#include "genhdr/pins.h" + + +typedef struct _pyb_led_obj_t { + mp_obj_base_t base; + machine_uint_t led_id; + const pin_obj_t *led_pin; +} pyb_led_obj_t; + +STATIC const pyb_led_obj_t pyb_led_obj[] = { + {{&pyb_led_type}, 1, &MICROPY_HW_LED1}, +#if defined(MICROPY_HW_LED2) + {{&pyb_led_type}, 2, &MICROPY_HW_LED2}, +#if defined(MICROPY_HW_LED3) + {{&pyb_led_type}, 3, &MICROPY_HW_LED3}, +#if defined(MICROPY_HW_LED4) + {{&pyb_led_type}, 4, &MICROPY_HW_LED4}, +#endif +#endif +#endif +}; +#define NUM_LEDS ARRAY_SIZE(pyb_led_obj) + void led_init(void) { + /* GPIO structure */ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Configure I/O speed, mode, output type and pull */ + GPIO_InitStructure.Speed = GPIO_SPEED_LOW; + GPIO_InitStructure.Mode = MICROPY_HW_LED_OTYPE; + GPIO_InitStructure.Pull = GPIO_NOPULL; + + /* Turn off LEDs and initialize */ + for (int led = 0; led < NUM_LEDS; led++) { + const pin_obj_t *led_pin = pyb_led_obj[led].led_pin; + MICROPY_HW_LED_OFF(led_pin); + GPIO_InitStructure.Pin = led_pin->pin_mask; + HAL_GPIO_Init(led_pin->gpio, &GPIO_InitStructure); + } } void led_state(pyb_led_t led, int state) { - uint8_t pin; - - if (led == 0) { - pin = LED_BUILTIN; - } else { + if (led < 1 || led > NUM_LEDS) { return; } - digitalWrite(pin, state); + const pin_obj_t *led_pin = pyb_led_obj[led - 1].led_pin; + //printf("led_state(%d,%d)\n", led, state); + if (state == 0) { + // turn LED off + MICROPY_HW_LED_OFF(led_pin); + } else { + // turn LED on + MICROPY_HW_LED_ON(led_pin); + } } void led_toggle(pyb_led_t led) { - uint8_t pin; - - if (led == 0) { - pin = LED_BUILTIN; - } else { + if (led < 1 || led > NUM_LEDS) { return; } + const pin_obj_t *led_pin = pyb_led_obj[led - 1].led_pin; + GPIO_TypeDef *gpio = led_pin->gpio; - digitalWrite(pin, !digitalRead(pin)); + // We don't know if we're turning the LED on or off, but we don't really + // care. Just invert the state. + if (gpio->PDOR & led_pin->pin_mask) { + // pin is high, make it low + gpio->PCOR = led_pin->pin_mask; + } else { + // pin is low, make it high + gpio->PSOR = led_pin->pin_mask; + } } /******************************************************************************/ /* Micro Python bindings */ -typedef struct _pyb_led_obj_t { - mp_obj_base_t base; - uint led_id; -} pyb_led_obj_t; - void led_obj_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) { pyb_led_obj_t *self = self_in; (void)kind; print(env, "", self->led_id); } +STATIC mp_obj_t led_obj_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) { + // check arguments + mp_arg_check_num(n_args, n_kw, 1, 1, false); + + // get led number + machine_int_t led_id = mp_obj_get_int(args[0]); + + // check led number + if (!(1 <= led_id && led_id <= NUM_LEDS)) { + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "LED %d does not exist", led_id)); + } + + // return static led object + return (mp_obj_t)&pyb_led_obj[led_id - 1]; +} + mp_obj_t led_obj_on(mp_obj_t self_in) { pyb_led_obj_t *self = self_in; led_state(self->led_id, 1); @@ -60,25 +122,28 @@ mp_obj_t led_obj_off(mp_obj_t self_in) { return mp_const_none; } -static MP_DEFINE_CONST_FUN_OBJ_1(led_obj_on_obj, led_obj_on); -static MP_DEFINE_CONST_FUN_OBJ_1(led_obj_off_obj, led_obj_off); - -static const mp_method_t led_methods[] = { - { "on", &led_obj_on_obj }, - { "off", &led_obj_off_obj }, - { NULL, NULL }, -}; - -static const mp_obj_type_t led_obj_type = { - { &mp_type_type }, - .name = MP_QSTR_Led, - .print = led_obj_print, - .methods = led_methods, -}; - -mp_obj_t pyb_Led(mp_obj_t led_id) { - pyb_led_obj_t *o = m_new_obj(pyb_led_obj_t); - o->base.type = &led_obj_type; - o->led_id = mp_obj_get_int(led_id); - return o; +mp_obj_t led_obj_toggle(mp_obj_t self_in) { + pyb_led_obj_t *self = self_in; + led_toggle(self->led_id); + return mp_const_none; } + +STATIC MP_DEFINE_CONST_FUN_OBJ_1(led_obj_on_obj, led_obj_on); +STATIC MP_DEFINE_CONST_FUN_OBJ_1(led_obj_off_obj, led_obj_off); +STATIC MP_DEFINE_CONST_FUN_OBJ_1(led_obj_toggle_obj, led_obj_toggle); + +STATIC const mp_map_elem_t led_locals_dict_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR_on), (mp_obj_t)&led_obj_on_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_off), (mp_obj_t)&led_obj_off_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_toggle), (mp_obj_t)&led_obj_toggle_obj }, +}; + +STATIC MP_DEFINE_CONST_DICT(led_locals_dict, led_locals_dict_table); + +const mp_obj_type_t pyb_led_type = { + { &mp_type_type }, + .name = MP_QSTR_LED, + .print = led_obj_print, + .make_new = led_obj_make_new, + .locals_dict = (mp_obj_t)&led_locals_dict, +}; diff --git a/teensy/led.h b/teensy/led.h index c5a4812549..7f4ba18f26 100644 --- a/teensy/led.h +++ b/teensy/led.h @@ -1,9 +1,9 @@ typedef enum { - PYB_LED_BUILTIN = 0, + PYB_LED_BUILTIN = 1, } pyb_led_t; void led_init(void); void led_state(pyb_led_t led, int state); void led_toggle(pyb_led_t led); -mp_obj_t pyb_Led(mp_obj_t led_id); +extern const mp_obj_type_t pyb_led_type; diff --git a/teensy/lexerfatfs.c b/teensy/lexerfatfs.c index 95084b6501..84245f8878 100644 --- a/teensy/lexerfatfs.c +++ b/teensy/lexerfatfs.c @@ -6,19 +6,10 @@ #include "qstr.h" #include "lexer.h" typedef int FIL; -#include "../stm/lexerfatfs.h" +#include "../stmhal/lexerfatfs.h" mp_lexer_t *mp_lexer_new_from_file(const char *filename) { printf("import not implemented\n"); return NULL; } -mp_lexer_t *mp_import_open_file(qstr mod_name) { - printf("import not implemented\n"); - return NULL; -} - -mp_import_stat_t mp_import_stat(const char *path) { - // TODO implement me! - return MP_IMPORT_STAT_NO_EXIST; -} diff --git a/teensy/lexermemzip.c b/teensy/lexermemzip.c index 3e15717acf..f50a3c0808 100644 --- a/teensy/lexermemzip.c +++ b/teensy/lexermemzip.c @@ -7,7 +7,7 @@ #include "lexer.h" #include "memzip.h" -mp_lexer_t *mp_lexer_new_from_memzip_file(const char *filename) +mp_lexer_t *mp_lexer_new_from_file(const char *filename) { void *data; size_t len; diff --git a/teensy/main.c b/teensy/main.c index eb153c245d..c22382675d 100644 --- a/teensy/main.c +++ b/teensy/main.c @@ -3,30 +3,33 @@ #include #include -#include "nlr.h" #include "misc.h" #include "mpconfig.h" #include "qstr.h" +#include "nlr.h" #include "lexer.h" #include "lexermemzip.h" #include "parse.h" #include "obj.h" -#include "compile.h" -#include "runtime0.h" #include "runtime.h" -#include "repl.h" -#include "servo.h" -#include "usb.h" #include "gc.h" -#include "led.h" -#include "build/py/py-version.h" +#include "gccollect.h" +#include "pyexec.h" +#include "pybstdio.h" +#include "readline.h" #include "Arduino.h" +#include HAL_H + +#include "servo.h" +#include "usb.h" +#include "led.h" + +//#include "pin.h" + extern uint32_t _heap_start; -bool do_file(const char *filename); - void flash_error(int n) { for (int i = 0; i < n; i++) { led_state(PYB_LED_BUILTIN, 1); @@ -36,25 +39,36 @@ void flash_error(int n) { } } -static const char *help_text = -"Welcome to Micro Python!\n\n" -"This is a *very* early version of Micro Python and has minimal functionality.\n\n" -"Specific commands for the board:\n" -" pyb.info() -- print some general information\n" -" pyb.gc() -- run the garbage collector\n" -" pyb.delay() -- wait for n milliseconds\n" -" pyb.Led() -- create Led object for LED n (n=0)\n" -" Led methods: on(), off()\n" -" pyb.gpio() -- read gpio pin\n" -" pyb.gpio(, ) -- set gpio pin\n" -#if 0 -" pyb.Servo() -- create Servo object for servo n (n=1,2,3,4)\n" -" Servo methods: angle()\n" -" pyb.switch() -- return True/False if switch pressed or not\n" -" pyb.accel() -- get accelerometer values\n" -" pyb.rand() -- get a 16-bit random number\n" -#endif -; +void __fatal_error(const char *msg) { + for (volatile uint delay = 0; delay < 10000000; delay++) { + } + led_state(1, 1); + led_state(2, 1); + led_state(3, 1); + led_state(4, 1); + stdout_tx_strn("\nFATAL ERROR:\n", 14); + stdout_tx_strn(msg, strlen(msg)); + for (uint i = 0;;) { + led_toggle(((i++) & 3) + 1); + for (volatile uint delay = 0; delay < 10000000; delay++) { + } + if (i >= 16) { + // to conserve power + __WFI(); + } + } +} + +void nlr_jump_fail(void *val) { + printf("FATAL: uncaught exception %p\n", val); + __fatal_error(""); +} + +void __assert_func(const char *file, int line, const char *func, const char *expr) { + + printf("Assertion failed: %s, file %s, line %d\n", expr, file, line); + __fatal_error(""); +} mp_obj_t pyb_analog_read(mp_obj_t pin_obj) { uint pin = mp_obj_get_int(pin_obj); @@ -82,12 +96,7 @@ mp_obj_t pyb_analog_write_frequency(mp_obj_t pin_obj, mp_obj_t freq_obj) { return mp_const_none; } -// get some help about available functions -static mp_obj_t pyb_help(void) { - printf("%s", help_text); - return mp_const_none; -} - +#if 0 // get lots of info about the board static mp_obj_t pyb_info(void) { // get and print unique id; 96 bits @@ -101,12 +110,6 @@ static mp_obj_t pyb_info(void) { // to print info about memory { - extern void *_sdata; - extern void *_edata; - extern void *_sbss; - extern void *_ebss; - extern void *_estack; - extern void *_etext; printf("_sdata=%p\n", &_sdata); printf("_edata=%p\n", &_edata); printf("_sbss=%p\n", &_sbss); @@ -121,9 +124,9 @@ static mp_obj_t pyb_info(void) { gc_info_t info; gc_info(&info); printf("GC:\n"); - printf(" %lu total\n", info.total); - printf(" %lu used %lu free\n", info.used, info.free); - printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block); + printf(" %u total\n", info.total); + printf(" %u used %u free\n", info.used, info.free); + printf(" 1=%u 2=%u m=%u\n", info.num_1block, info.num_2block, info.max_block); } #if 0 @@ -139,33 +142,16 @@ static mp_obj_t pyb_info(void) { return mp_const_none; } +#endif + #define RAM_START (0x1FFF8000) // fixed for chip #define HEAP_END (0x20006000) // tunable #define RAM_END (0x20008000) // fixed for chip +#if 0 + void gc_helper_get_regs_and_clean_stack(machine_uint_t *regs, machine_uint_t heap_end); -void gc_collect(void) { - uint32_t start = micros(); - gc_collect_start(); - gc_collect_root((void**)RAM_START, (((uint32_t)&_heap_start) - RAM_START) / 4); - machine_uint_t regs[10]; - gc_helper_get_regs_and_clean_stack(regs, HEAP_END); - gc_collect_root((void**)HEAP_END, (RAM_END - HEAP_END) / 4); // will trace regs since they now live in this function on the stack - gc_collect_end(); - uint32_t ticks = micros() - start; // TODO implement a function that does this properly - - if (0) { - // print GC info - gc_info_t info; - gc_info(&info); - printf("GC@%lu %luus\n", start, ticks); - printf(" %lu total\n", info.total); - printf(" %lu used %lu free\n", info.used, info.free); - printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block); - } -} - mp_obj_t pyb_gc(void) { gc_collect(); return mp_const_none; @@ -191,7 +177,7 @@ mp_obj_t pyb_gpio(int n_args, mp_obj_t *args) { return mp_const_none; pin_error: - nlr_raise(mp_obj_new_exception_msg_varg(MP_QSTR_ValueError, "pin %d does not exist", pin)); + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "pin %d does not exist", pin)); } MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_gpio_obj, 1, 2, pyb_gpio); @@ -209,29 +195,41 @@ mp_obj_t pyb_hid_send_report(mp_obj_t arg) { } #endif -static mp_obj_t pyb_config_source_dir = MP_OBJ_NULL; -static mp_obj_t pyb_config_main = MP_OBJ_NULL; +#endif // 0 + +STATIC mp_obj_t pyb_config_source_dir = MP_OBJ_NULL; +STATIC mp_obj_t pyb_config_main = MP_OBJ_NULL; +STATIC mp_obj_t pyb_config_usb_mode = MP_OBJ_NULL; mp_obj_t pyb_source_dir(mp_obj_t source_dir) { if (MP_OBJ_IS_STR(source_dir)) { pyb_config_source_dir = source_dir; - printf("source_dir = '"); - mp_obj_print(source_dir, PRINT_STR); - printf("'\n"); } return mp_const_none; } +MP_DEFINE_CONST_FUN_OBJ_1(pyb_source_dir_obj, pyb_source_dir); + mp_obj_t pyb_main(mp_obj_t main) { if (MP_OBJ_IS_STR(main)) { pyb_config_main = main; - printf("main = '"); - mp_obj_print(main, PRINT_STR); - printf("'\n"); } return mp_const_none; } +MP_DEFINE_CONST_FUN_OBJ_1(pyb_main_obj, pyb_main); + +STATIC mp_obj_t pyb_usb_mode(mp_obj_t usb_mode) { + if (MP_OBJ_IS_STR(usb_mode)) { + pyb_config_usb_mode = usb_mode; + } + return mp_const_none; +} + +MP_DEFINE_CONST_FUN_OBJ_1(pyb_usb_mode_obj, pyb_usb_mode); + +#if 0 + mp_obj_t pyb_delay(mp_obj_t count) { delay(mp_obj_get_int(count)); return mp_const_none; @@ -242,12 +240,9 @@ mp_obj_t pyb_led(mp_obj_t state) { return state; } -mp_obj_t pyb_run(mp_obj_t filename_obj) { - const char *filename = qstr_str(mp_obj_str_get_qstr(filename_obj)); - do_file(filename); - return mp_const_none; -} +#endif // 0 +#if 0 char *strdup(const char *str) { uint32_t len = strlen(str); char *s2 = m_new(char, len + 1); @@ -255,219 +250,31 @@ char *strdup(const char *str) { s2[len] = 0; return s2; } - -#define READLINE_HIST_SIZE (8) - -static const char *readline_hist[READLINE_HIST_SIZE] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}; - -void stdout_tx_str(const char *str) { -// usart_tx_str(str); - usb_vcp_send_str(str); -} - -int readline(vstr_t *line, const char *prompt) { - stdout_tx_str(prompt); - int len = vstr_len(line); - int escape = 0; - int hist_num = 0; - for (;;) { - char c; - for (;;) { - if (usb_vcp_rx_any() != 0) { - c = usb_vcp_rx_get(); - break; -#if 0 - } else if (usart_rx_any()) { - c = usart_rx_char(); - break; #endif - } - //delay(1); - //if (storage_needs_flush()) { - // storage_flush(); - //} - } - if (escape == 0) { - if (c == 4 && vstr_len(line) == len) { - return 0; - } else if (c == '\r') { - stdout_tx_str("\r\n"); - for (int i = READLINE_HIST_SIZE - 1; i > 0; i--) { - readline_hist[i] = readline_hist[i - 1]; - } - readline_hist[0] = strdup(vstr_str(line)); - return 1; - } else if (c == 27) { - escape = true; - } else if (c == 127) { - if (vstr_len(line) > len) { - vstr_cut_tail(line, 1); - stdout_tx_str("\b \b"); - } - } else if (32 <= c && c <= 126) { - vstr_add_char(line, c); - stdout_tx_str(line->buf + line->len - 1); - } - } else if (escape == 1) { - if (c == '[') { - escape = 2; - } else { - escape = 0; - } - } else if (escape == 2) { - escape = 0; - if (c == 'A') { - // up arrow - if (hist_num < READLINE_HIST_SIZE && readline_hist[hist_num] != NULL) { - // erase line - for (int i = line->len - len; i > 0; i--) { - stdout_tx_str("\b \b"); - } - // set line to history - line->len = len; - vstr_add_str(line, readline_hist[hist_num]); - // draw line - stdout_tx_str(readline_hist[hist_num]); - // increase hist num - hist_num += 1; - } - } - } else { - escape = 0; - } - delay(10); - } -} - -bool do_file(const char *filename) { - mp_lexer_t *lex = mp_lexer_new_from_memzip_file(filename); - - if (lex == NULL) { - printf("could not open file '%s' for reading\n", filename); - return false; - } - - mp_parse_error_kind_t parse_error_kind; - mp_parse_node_t pn = mp_parse(lex, MP_PARSE_FILE_INPUT, &parse_error_kind); - qstr source_name = mp_lexer_source_name(lex); - - if (pn == MP_PARSE_NODE_NULL) { - // parse error - mp_parse_show_exception(lex, parse_error_kind); - mp_lexer_free(lex); - return false; - } - - mp_lexer_free(lex); - - mp_obj_t module_fun = mp_compile(pn, source_name, MP_EMIT_OPT_NONE, false); - mp_parse_node_free(pn); - - if (module_fun == mp_const_none) { - return false; - } - - nlr_buf_t nlr; - if (nlr_push(&nlr) == 0) { - mp_call_function_0(module_fun); - nlr_pop(); - return true; - } else { - // uncaught exception - mp_obj_print((mp_obj_t)nlr.ret_val, PRINT_REPR); - printf("\n"); - return false; - } -} - -void do_repl(void) { - stdout_tx_str("Micro Python build " MICROPY_GIT_HASH " on " MICROPY_BUILD_DATE "; Teensy 3.1 version\n"); - stdout_tx_str("Type \"help()\" for more information.\r\n"); - - vstr_t line; - vstr_init(&line, 32); - - for (;;) { - vstr_reset(&line); - int ret = readline(&line, ">>> "); - if (ret == 0) { - // EOF - break; - } - - if (vstr_len(&line) == 0) { - continue; - } - - while (mp_repl_continue_with_input(vstr_str(&line))) { - vstr_add_char(&line, '\n'); - int ret = readline(&line, "... "); - if (ret == 0) { - // stop entering compound statement - break; - } - } - - mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr_str(&line), vstr_len(&line), 0); - mp_parse_error_kind_t parse_error_kind; - mp_parse_node_t pn = mp_parse(lex, MP_PARSE_SINGLE_INPUT, &parse_error_kind); - qstr source_name = mp_lexer_source_name(lex); - - if (pn == MP_PARSE_NODE_NULL) { - // parse error - mp_parse_show_exception(lex, parse_error_kind); - mp_lexer_free(lex); - } else { - // parse okay - mp_lexer_free(lex); - mp_obj_t module_fun = mp_compile(pn, source_name, MP_EMIT_OPT_NONE, true); - if (module_fun != mp_const_none) { - nlr_buf_t nlr; - uint32_t start = micros(); - if (nlr_push(&nlr) == 0) { - mp_call_function_0(module_fun); - nlr_pop(); - // optional timing - if (0) { - uint32_t ticks = micros() - start; // TODO implement a function that does this properly - printf("(took %lu ms)\n", ticks); - } - } else { - // uncaught exception - mp_obj_print((mp_obj_t)nlr.ret_val, PRINT_REPR); - printf("\n"); - } - } - } - } - - stdout_tx_str("\r\n"); -} int main(void) { pinMode(LED_BUILTIN, OUTPUT); -#if 0 - // Wait for host side to get connected - while (!usb_vcp_is_connected()) { - ; - } -#else delay(1000); -#endif led_init(); - led_state(PYB_LED_BUILTIN, 1); // int first_soft_reset = true; soft_reset: + led_state(PYB_LED_BUILTIN, 1); + // GC init gc_init(&_heap_start, (void*)HEAP_END); qstr_init(); mp_init(); + readline_init(); + + //pin_init(); + +#if 0 // add some functions to the python namespace { mp_store_name(MP_QSTR_help, mp_make_function_n(0, pyb_help)); @@ -478,7 +285,7 @@ soft_reset: mp_store_attr(m, MP_QSTR_gc, mp_make_function_n(0, pyb_gc)); mp_store_attr(m, MP_QSTR_delay, mp_make_function_n(1, pyb_delay)); mp_store_attr(m, MP_QSTR_led, mp_make_function_n(1, pyb_led)); - mp_store_attr(m, MP_QSTR_Led, mp_make_function_n(1, pyb_Led)); + mp_store_attr(m, MP_QSTR_LED, (mp_obj_t)&pyb_led_type); mp_store_attr(m, MP_QSTR_analogRead, mp_make_function_n(1, pyb_analog_read)); mp_store_attr(m, MP_QSTR_analogWrite, mp_make_function_n(2, pyb_analog_write)); mp_store_attr(m, MP_QSTR_analogWriteResolution, mp_make_function_n(1, pyb_analog_write_resolution)); @@ -487,15 +294,12 @@ soft_reset: mp_store_attr(m, MP_QSTR_gpio, (mp_obj_t)&pyb_gpio_obj); mp_store_attr(m, MP_QSTR_Servo, mp_make_function_n(0, pyb_Servo)); mp_store_name(MP_QSTR_pyb, m); - mp_store_name(MP_QSTR_run, mp_make_function_n(1, pyb_run)); } +#endif - printf("About execute /boot.py\n"); - if (!do_file("/boot.py")) { - printf("Unable to open '/boot.py'\n"); + if (!pyexec_file("/boot.py")) { flash_error(4); } - printf("Done executing /boot.py\n"); // Turn bootup LED off led_state(PYB_LED_BUILTIN, 0); @@ -504,27 +308,30 @@ soft_reset: { vstr_t *vstr = vstr_new(); vstr_add_str(vstr, "/"); - if (pyb_config_source_dir == MP_OBJ_NULL) { - vstr_add_str(vstr, "src"); - } else { - vstr_add_str(vstr, mp_obj_str_get_str(pyb_config_source_dir)); - } - vstr_add_char(vstr, '/'); if (pyb_config_main == MP_OBJ_NULL) { vstr_add_str(vstr, "main.py"); } else { vstr_add_str(vstr, mp_obj_str_get_str(pyb_config_main)); } - printf("About execute '%s'\n", vstr_str(vstr)); - if (!do_file(vstr_str(vstr))) { - printf("Unable to open '%s'\n", vstr_str(vstr)); + if (!pyexec_file(vstr_str(vstr))) { flash_error(3); } - printf("Done executing '%s'\n", vstr_str(vstr)); vstr_free(vstr); } - do_repl(); + // enter REPL + // REPL mode can change, or it can request a soft reset + for (;;) { + if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) { + if (pyexec_raw_repl() != 0) { + break; + } + } else { + if (pyexec_friendly_repl() != 0) { + break; + } + } + } printf("PYB: soft reboot\n"); @@ -532,22 +339,15 @@ soft_reset: goto soft_reset; } -double sqrt(double x) { - // TODO - return 0.0; -} - -machine_float_t machine_sqrt(machine_float_t x) { - // TODO - return x; -} - // stub out __libc_init_array. It's called by mk20dx128.c and is used to call // global C++ constructors. Since this is a C-only projects, we don't need to // call constructors. void __libc_init_array(void) { } +// ultoa is used by usb_init_serialnumber. Normally ultoa would be provided +// by nonstd.c from the teensy core, but it conflicts with some of the +// MicroPython functions in string0.c, so we provide ultoa here. char * ultoa(unsigned long val, char *buf, int radix) { unsigned digit; @@ -569,3 +369,12 @@ char * ultoa(unsigned long val, char *buf, int radix) } return buf; } + +STATIC NORETURN mp_obj_t mp_sys_exit(uint n_args, const mp_obj_t *args) { + int rc = 0; + if (n_args > 0) { + rc = mp_obj_get_int(args[0]); + } + nlr_raise(mp_obj_new_exception_arg1(&mp_type_SystemExit, mp_obj_new_int(rc))); +} +MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_sys_exit_obj, 0, 1, mp_sys_exit); diff --git a/teensy/make-pins.py b/teensy/make-pins.py new file mode 100755 index 0000000000..1fd05ec207 --- /dev/null +++ b/teensy/make-pins.py @@ -0,0 +1,326 @@ +#!/usr/bin/env python +"""Creates the pin file for the Teensy.""" + +from __future__ import print_function + +import argparse +import sys +import csv + +SUPPORTED_FN = { + 'FTM' : ['CH0', 'CH1', 'CH2', 'CH3', + 'QD_PHA', 'QD_PHB'], + 'I2C' : ['SDA', 'SCL'], + 'UART' : ['RX', 'TX', 'CTS', 'RTS'], + 'SPI' : ['NSS', 'SCK', 'MISO', 'MOSI'] +} + +def parse_port_pin(name_str): + """Parses a string and returns a (port-num, pin-num) tuple.""" + if len(name_str) < 4: + raise ValueError("Expecting pin name to be at least 4 charcters.") + if name_str[0:2] != 'PT': + raise ValueError("Expecting pin name to start with PT") + if name_str[2] not in ('A', 'B', 'C', 'D', 'E', 'Z'): + raise ValueError("Expecting pin port to be between A and E or Z") + port = ord(name_str[2]) - ord('A') + pin_str = name_str[3:].split('/')[0] + if not pin_str.isdigit(): + raise ValueError("Expecting numeric pin number.") + return (port, int(pin_str)) + +def split_name_num(name_num): + num = None + for num_idx in range(len(name_num) - 1, -1, -1): + if not name_num[num_idx].isdigit(): + name = name_num[0:num_idx + 1] + num_str = name_num[num_idx + 1:] + if len(num_str) > 0: + num = int(num_str) + break + return name, num + + +class AlternateFunction(object): + """Holds the information associated with a pins alternate function.""" + + def __init__(self, idx, af_str): + self.idx = idx + self.af_str = af_str + + self.func = '' + self.fn_num = None + self.pin_type = '' + self.supported = False + + af_words = af_str.split('_', 1) + self.func, self.fn_num = split_name_num(af_words[0]) + if len(af_words) > 1: + self.pin_type = af_words[1] + if self.func in SUPPORTED_FN: + pin_types = SUPPORTED_FN[self.func] + if self.pin_type in pin_types: + self.supported = True + + def is_supported(self): + return self.supported + + def ptr(self): + """Returns the numbered function (i.e. USART6) for this AF.""" + if self.fn_num is None: + return self.func + return '{:s}{:d}'.format(self.func, self.fn_num) + + def print(self): + """Prints the C representation of this AF.""" + if self.supported: + print(' AF', end='') + else: + print(' //', end='') + fn_num = self.fn_num + if fn_num is None: + fn_num = 0 + print('({:2d}, {:8s}, {:2d}, {:10s}, {:8s}), // {:s}'.format(self.idx, + self.func, fn_num, self.pin_type, self.ptr(), self.af_str)) + + +class Pin(object): + """Holds the information associated with a pin.""" + + def __init__(self, port, pin): + self.port = port + self.pin = pin + self.alt_fn = [] + self.alt_fn_count = 0 + self.adc_num = 0 + self.adc_channel = 0 + self.board_pin = False + + def port_letter(self): + return chr(self.port + ord('A')) + + def cpu_pin_name(self): + return '{:s}{:d}'.format(self.port_letter(), self.pin) + + def is_board_pin(self): + return self.board_pin + + def set_is_board_pin(self): + self.board_pin = True + + def parse_adc(self, adc_str): + if (adc_str[:3] != 'ADC'): + return + (adc,channel) = adc_str.split('_') + for idx in range(3, len(adc)): + adc_num = int(adc[idx]) # 1, 2, or 3 + self.adc_num |= (1 << (adc_num - 1)) + self.adc_channel = int(channel[2:]) + + def parse_af(self, af_idx, af_strs_in): + if len(af_strs_in) == 0: + return + # If there is a slash, then the slash separates 2 aliases for the + # same alternate function. + af_strs = af_strs_in.split('/') + for af_str in af_strs: + alt_fn = AlternateFunction(af_idx, af_str) + self.alt_fn.append(alt_fn) + if alt_fn.is_supported(): + self.alt_fn_count += 1 + + def alt_fn_name(self, null_if_0=False): + if null_if_0 and self.alt_fn_count == 0: + return 'NULL' + return 'pin_{:s}_af'.format(self.cpu_pin_name()) + + def adc_num_str(self): + str = '' + for adc_num in range(1,4): + if self.adc_num & (1 << (adc_num - 1)): + if len(str) > 0: + str += ' | ' + str += 'PIN_ADC' + str += chr(ord('0') + adc_num) + if len(str) == 0: + str = '0' + return str + + def print(self): + if self.alt_fn_count == 0: + print("// ", end='') + print('const pin_af_obj_t {:s}[] = {{'.format(self.alt_fn_name())) + for alt_fn in self.alt_fn: + alt_fn.print() + if self.alt_fn_count == 0: + print("// ", end='') + print('};') + print('') + print('const pin_obj_t pin_{:s} = PIN({:s}, {:d}, {:d}, {:s}, {:s}, {:d});'.format( + self.cpu_pin_name(), self.port_letter(), self.pin, + self.alt_fn_count, self.alt_fn_name(null_if_0=True), + self.adc_num_str(), self.adc_channel)) + print('') + + def print_header(self, hdr_file): + hdr_file.write('extern const pin_obj_t pin_{:s};\n'. + format(self.cpu_pin_name())) + if self.alt_fn_count > 0: + hdr_file.write('extern const pin_af_obj_t pin_{:s}_af[];\n'. + format(self.cpu_pin_name())) + +class NamedPin(object): + + def __init__(self, name, pin): + self._name = name + self._pin = pin + + def pin(self): + return self._pin + + def name(self): + return self._name + + +class Pins(object): + + def __init__(self): + self.cpu_pins = [] # list of NamedPin objects + self.board_pins = [] # list of NamedPin objects + + def find_pin(self, port_num, pin_num): + for named_pin in self.cpu_pins: + pin = named_pin.pin() + if pin.port == port_num and pin.pin == pin_num: + return pin + + def parse_af_file(self, filename, pinname_col, af_col): + with open(filename, 'r') as csvfile: + rows = csv.reader(csvfile) + for row in rows: + try: + (port_num, pin_num) = parse_port_pin(row[pinname_col]) + except: + continue + pin = Pin(port_num, pin_num) + for af_idx in range(af_col, len(row)): + if af_idx >= af_col: + pin.parse_af(af_idx - af_col, row[af_idx]) + self.cpu_pins.append(NamedPin(pin.cpu_pin_name(), pin)) + + def parse_board_file(self, filename): + with open(filename, 'r') as csvfile: + rows = csv.reader(csvfile) + for row in rows: + try: + (port_num, pin_num) = parse_port_pin(row[1]) + except: + continue + pin = self.find_pin(port_num, pin_num) + if pin: + pin.set_is_board_pin() + self.board_pins.append(NamedPin(row[0], pin)) + + def print_named(self, label, named_pins): + print('const pin_named_pin_t pin_{:s}_pins[] = {{'.format(label)) + for named_pin in named_pins: + pin = named_pin.pin() + if pin.is_board_pin(): + print(' {{ "{:s}", &pin_{:s} }},'.format(named_pin.name(), pin.cpu_pin_name())) + print(' { NULL, NULL }') + print('};') + + def print(self): + for named_pin in self.cpu_pins: + pin = named_pin.pin() + if pin.is_board_pin(): + pin.print() + self.print_named('cpu', self.cpu_pins) + print('') + self.print_named('board', self.board_pins) + + def print_adc(self, adc_num): + print(''); + print('const pin_obj_t * const pin_adc{:d}[] = {{'.format(adc_num)) + for channel in range(16): + adc_found = False + for named_pin in self.cpu_pins: + pin = named_pin.pin() + if (pin.is_board_pin() and + (pin.adc_num & (1 << (adc_num - 1))) and (pin.adc_channel == channel)): + print(' &pin_{:s}, // {:d}'.format(pin.cpu_pin_name(), channel)) + adc_found = True + break + if not adc_found: + print(' NULL, // {:d}'.format(channel)) + print('};') + + + def print_header(self, hdr_filename): + with open(hdr_filename, 'wt') as hdr_file: + for named_pin in self.cpu_pins: + pin = named_pin.pin() + if pin.is_board_pin(): + pin.print_header(hdr_file) + hdr_file.write('extern const pin_obj_t * const pin_adc1[];\n') + hdr_file.write('extern const pin_obj_t * const pin_adc2[];\n') + hdr_file.write('extern const pin_obj_t * const pin_adc3[];\n') + + +def main(): + parser = argparse.ArgumentParser( + prog="make-pins.py", + usage="%(prog)s [options] [command]", + description="Generate board specific pin file" + ) + parser.add_argument( + "-a", "--af", + dest="af_filename", + help="Specifies the alternate function file for the chip", + default="stm32f4xx-af.csv" + ) + parser.add_argument( + "-b", "--board", + dest="board_filename", + help="Specifies the board file", + ) + parser.add_argument( + "-p", "--prefix", + dest="prefix_filename", + help="Specifies beginning portion of generated pins file", + default="stm32f4xx-prefix.c" + ) + parser.add_argument( + "-r", "--hdr", + dest="hdr_filename", + help="Specifies name of generated pin header file", + default="build/pins.h" + ) + args = parser.parse_args(sys.argv[1:]) + + pins = Pins() + + print('// This file was automatically generated by make-pins.py') + print('//') + if args.af_filename: + print('// --af {:s}'.format(args.af_filename)) + pins.parse_af_file(args.af_filename, 4, 3) + + if args.board_filename: + print('// --board {:s}'.format(args.board_filename)) + pins.parse_board_file(args.board_filename) + + if args.prefix_filename: + print('// --prefix {:s}'.format(args.prefix_filename)) + print('') + with open(args.prefix_filename, 'r') as prefix_file: + print(prefix_file.read()) + pins.print() + pins.print_adc(1) + pins.print_adc(2) + pins.print_adc(3) + pins.print_header(args.hdr_filename) + + +if __name__ == "__main__": + main() diff --git a/teensy/memzip.c b/teensy/memzip.c index ec6c26980c..b269c472a1 100644 --- a/teensy/memzip.c +++ b/teensy/memzip.c @@ -1,12 +1,13 @@ #include #include #include +#include "misc.h" #include "memzip.h" extern uint8_t _staticfs[]; -MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len) -{ +const MEMZIP_FILE_HDR *memzip_find_file_header(const char *filename) { + const MEMZIP_FILE_HDR *file_hdr = (const MEMZIP_FILE_HDR *)_staticfs; uint8_t *mem_data; @@ -22,16 +23,83 @@ MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len) mem_data += file_hdr->extra_len; if (!strncmp(file_hdr_filename, filename, file_hdr->filename_len)) { /* We found a match */ - if (file_hdr->compression_method != 0) { - return MZ_FILE_COMPRESSED; - } - - *data = mem_data; - *len = file_hdr->uncompressed_size; - return MZ_OK; + return file_hdr; } mem_data += file_hdr->uncompressed_size; file_hdr = (const MEMZIP_FILE_HDR *)mem_data; } - return MZ_NO_FILE; + return NULL; +} + +bool memzip_is_dir(const char *filename) { + const MEMZIP_FILE_HDR *file_hdr = (const MEMZIP_FILE_HDR *)_staticfs; + uint8_t *mem_data; + + if (strcmp(filename, "/") == 0) { + // The root directory is a directory. + return true; + } + + // Zip filenames don't have a leading /, so we strip it off + if (*filename == '/') { + filename++; + } + size_t filename_len = strlen(filename); + + while (file_hdr->signature == MEMZIP_FILE_HEADER_SIGNATURE) { + const char *file_hdr_filename = (const char *)&file_hdr[1]; + if (filename_len < file_hdr->filename_len && + strncmp(file_hdr_filename, filename, filename_len) == 0 && + file_hdr_filename[filename_len] == '/') { + return true; + } + + mem_data = (uint8_t *)file_hdr_filename; + mem_data += file_hdr->filename_len; + mem_data += file_hdr->extra_len; + mem_data += file_hdr->uncompressed_size; + file_hdr = (const MEMZIP_FILE_HDR *)mem_data; + } + return NULL; + +} + +MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len) +{ + const MEMZIP_FILE_HDR *file_hdr = memzip_find_file_header(filename); + if (file_hdr == NULL) { + return MZ_NO_FILE; + } + if (file_hdr->compression_method != 0) { + return MZ_FILE_COMPRESSED; + } + + uint8_t *mem_data; + mem_data = (uint8_t *)&file_hdr[1]; + mem_data += file_hdr->filename_len; + mem_data += file_hdr->extra_len; + + *data = mem_data; + *len = file_hdr->uncompressed_size; + return MZ_OK; +} + +MEMZIP_RESULT memzip_stat(const char *path, MEMZIP_FILE_INFO *info) { + const MEMZIP_FILE_HDR *file_hdr = memzip_find_file_header(path); + if (file_hdr == NULL) { + if (memzip_is_dir(path)) { + info->file_size = 0; + info->last_mod_date = 0; + info->last_mod_time = 0; + info->is_dir = 1; + return MZ_OK; + } + return MZ_NO_FILE; + } + info->file_size = file_hdr->uncompressed_size; + info->last_mod_date = file_hdr->last_mod_date; + info->last_mod_time = file_hdr->last_mod_time; + info->is_dir = 0; + + return MZ_OK; } diff --git a/teensy/memzip.h b/teensy/memzip.h index ecbd98763c..667e2df7e1 100644 --- a/teensy/memzip.h +++ b/teensy/memzip.h @@ -70,4 +70,14 @@ typedef enum { } MEMZIP_RESULT; +typedef struct { + uint32_t file_size; + uint16_t last_mod_date; + uint16_t last_mod_time; + uint8_t is_dir; + +} MEMZIP_FILE_INFO; + MEMZIP_RESULT memzip_locate(const char *filename, void **data, size_t *len); + +MEMZIP_RESULT memzip_stat(const char *path, MEMZIP_FILE_INFO *info); diff --git a/teensy/memzip_files/boot.py b/teensy/memzip_files/boot.py index 3fe9f05e53..4702d7b5d3 100644 --- a/teensy/memzip_files/boot.py +++ b/teensy/memzip_files/boot.py @@ -1 +1,2 @@ +import pyb print("Executing boot.py") diff --git a/teensy/memzip_files/src/main.py b/teensy/memzip_files/main.py similarity index 57% rename from teensy/memzip_files/src/main.py rename to teensy/memzip_files/main.py index 8fc08db15e..4f30f2fc5f 100644 --- a/teensy/memzip_files/src/main.py +++ b/teensy/memzip_files/main.py @@ -1,11 +1,13 @@ print("Executing main.py") -x=pyb.led(1) +led = pyb.LED(1) + +led.on() pyb.delay(100) -x=pyb.led(0) +led.off() pyb.delay(100) -x=pyb.led(1) +led.on() pyb.delay(100) -x=pyb.led(0) +led.off() diff --git a/teensy/memzip_files/src/test.py b/teensy/memzip_files/src/test.py deleted file mode 100644 index 7957b27caf..0000000000 --- a/teensy/memzip_files/src/test.py +++ /dev/null @@ -1 +0,0 @@ -print("Executing /src/test.py") diff --git a/teensy/memzip_files/test.py b/teensy/memzip_files/test.py deleted file mode 100644 index 088cb4383a..0000000000 --- a/teensy/memzip_files/test.py +++ /dev/null @@ -1 +0,0 @@ -print("Executing /test.py") diff --git a/teensy/mk20dx256-af.csv b/teensy/mk20dx256-af.csv new file mode 100644 index 0000000000..3015c6c7a1 --- /dev/null +++ b/teensy/mk20dx256-af.csv @@ -0,0 +1,65 @@ +Pin,Name,Default,ALT0,ALT1,ALT2,ALT3,ALT4,ALT5,ALT6,ALT7,EzPort +1,PTE0,ADC1_SE4a,ADC1_SE4a,PTE0,SPI1_PCS1,UART1_TX,,,I2C1_SDA,RTC_CLKOUT, +2,PTE1/LLWU_P0,ADC1_SE5a,ADC1_SE5a,PTE1/LLWU_P0,SPI1_SOUT,UART1_RX,,,I2C1_SCL,SPI1_SIN, +3,VDD,VDD,VDD,,,,,,,, +4,VSS,VSS,VSS,,,,,,,, +5,USB0_DP,USB0_DP,USB0_DP,,,,,,,, +6,USB0_DM,USB0_DM,USB0_DM,,,,,,,, +7,VOUT33,VOUT33,VOUT33,,,,,,,, +8,VREGIN,VREGIN,VREGIN,,,,,,,, +9,PGA0_DP/ADC0_DP0/ADC1_DP3,PGA0_DP/ADC0_DP0/ADC1_DP3,PGA0_DP/ADC0_DP0/ADC1_DP3,PTZ0,,,,,,, +10,PGA0_DM/ADC0_DM0/ADC1_DM3,PGA0_DM/ADC0_DM0/ADC1_DM3,PGA0_DM/ADC0_DM0/ADC1_DM3,PTZ1,,,,,,, +11,PGA1_DP/ADC1_DP0/ADC0_DP3,PGA1_DP/ADC1_DP0/ADC0_DP3,PGA1_DP/ADC1_DP0/ADC0_DP3,PTZ2,,,,,,, +12,PGA1_DM/ADC1_DM0/ADC0_DM3,PGA1_DM/ADC1_DM0/ADC0_DM3,PGA1_DM/ADC1_DM0/ADC0_DM3,PTZ3,,,,,,, +13,VDDA,VDDA,VDDA,,,,,,,, +14,VREFH,VREFH,VREFH,,,,,,,, +15,VREFL,VREFL,VREFL,,,,,,,, +16,VSSA,VSSA,VSSA,,,,,,,, +17,VREF_OUT/CMP1_IN5/CMP0_IN5/ADC1_SE18,VREF_OUT/CMP1_IN5/CMP0_IN5/ADC1_SE18,VREF_OUT/CMP1_IN5/CMP0_IN5/ADC1_SE18,PTZ4,,,,,,, +18,DAC0_OUT/CMP1_IN3/ADC0_SE23,DAC0_OUT/CMP1_IN3/ADC0_SE23,DAC0_OUT/CMP1_IN3/ADC0_SE23,PTZ5,,,,,,, +19,XTAL32,XTAL32,XTAL32,,,,,,,, +20,EXTAL32,EXTAL32,EXTAL32,,,,,,,, +21,VBAT,VBAT,VBAT,,,,,,,, +22,PTA0,JTAG_TCLK/SWD_CLK/EZP_CLK,TSI0_CH1,PTA0,UART0_CTS_b/UART0_COL_b,FTM0_CH5,,,,JTAG_TCLK/SWD_CLK,EZP_CLK +23,PTA1,JTAG_TDI/EZP_DI,TSI0_CH2,PTA1,UART0_RX,FTM0_CH6,,,,JTAG_TDI,EZP_DI +24,PTA2,JTAG_TDO/TRACE_SWO/EZP_DO,TSI0_CH3,PTA2,UART0_TX,FTM0_CH7,,,,JTAG_TDO/TRACE_SWO,EZP_DO +25,PTA3,JTAG_TMS/SWD_DIO,TSI0_CH4,PTA3,UART0_RTS_b,FTM0_CH0,,,,JTAG_TMS/SWD_DIO, +26,PTA4/LLWU_P3,NMI_b/EZP_CS_b,TSI0_CH5,PTA4/LLWU_P3,,FTM0_CH1,,,NMI_b,EZP_CS_b, +27,PTA5,DISABLED,,PTA5,USB_CLKIN,FTM0_CH2,,CMP2_OUT,I2S0_TX_BCLK,JTAG_TRST_b, +28,PTA12,CMP2_IN0,CMP2_IN0,PTA12,CAN0_TX,FTM1_CH0,,,I2S0_TXD0,FTM1_QD_PHA, +29,PTA13/LLWU_P4,CMP2_IN1,CMP2_IN1,PTA13/LLWU_P4,CAN0_RX,FTM1_CH1,,,I2S0_TX_FS,FTM1_QD_PHB, +30,VDD,VDD,VDD,,,,,,,, +31,VSS,VSS,VSS,,,,,,,, +32,PTA18,EXTAL0,EXTAL0,PTA18,,FTM0_FLT2,FTM_CLKIN0,,,, +33,PTA19,XTAL0,XTAL0,PTA19,,FTM1_FLT0,FTM_CLKIN1,,LPTMR0_ALT1,, +34,RESET_b,RESET_b,RESET_b,,,,,,,, +35,PTB0/LLWU_P5,ADC0_SE8/ADC1_SE8/TSI0_CH0,ADC0_SE8/ADC1_SE8/TSI0_CH0,PTB0/LLWU_P5,I2C0_SCL,FTM1_CH0,,,FTM1_QD_PHA,, +36,PTB1,ADC0_SE9/ADC1_SE9/TSI0_CH6,ADC0_SE9/ADC1_SE9/TSI0_CH6,PTB1,I2C0_SDA,FTM1_CH1,,,FTM1_QD_PHB,, +37,PTB2,ADC0_SE12/TSI0_CH7,ADC0_SE12/TSI0_CH7,PTB2,I2C0_SCL,UART0_RTS_b,,,FTM0_FLT3,, +38,PTB3,ADC0_SE13/TSI0_CH8,ADC0_SE13/TSI0_CH8,PTB3,I2C0_SDA,UART0_CTS_b/UART0_COL_b,,,FTM0_FLT0,, +39,PTB16,TSI0_CH9,TSI0_CH9,PTB16,SPI1_SOUT,UART0_RX,,FB_AD17,EWM_IN,, +40,PTB17,TSI0_CH10,TSI0_CH10,PTB17,SPI1_SIN,UART0_TX,,FB_AD16,EWM_OUT_b,, +41,PTB18,TSI0_CH11,TSI0_CH11,PTB18,CAN0_TX,FTM2_CH0,I2S0_TX_BCLK,FB_AD15,FTM2_QD_PHA,, +42,PTB19,TSI0_CH12,TSI0_CH12,PTB19,CAN0_RX,FTM2_CH1,I2S0_TX_FS,FB_OE_b,FTM2_QD_PHB,, +43,PTC0,ADC0_SE14/TSI0_CH13,ADC0_SE14/TSI0_CH13,PTC0,SPI0_PCS4,PDB0_EXTRG,,FB_AD14,I2S0_TXD1,, +44,PTC1/LLWU_P6,ADC0_SE15/TSI0_CH14,ADC0_SE15/TSI0_CH14,PTC1/LLWU_P6,SPI0_PCS3,UART1_RTS_b,FTM0_CH0,FB_AD13,I2S0_TXD0,, +45,PTC2,ADC0_SE4b/CMP1_IN0/TSI0_CH15,ADC0_SE4b/CMP1_IN0/TSI0_CH15,PTC2,SPI0_PCS2,UART1_CTS_b,FTM0_CH1,FB_AD12,I2S0_TX_FS,, +46,PTC3/LLWU_P7,CMP1_IN1,CMP1_IN1,PTC3/LLWU_P7,SPI0_PCS1,UART1_RX,FTM0_CH2,CLKOUT,I2S0_TX_BCLK,, +47,VSS,VSS,VSS,,,,,,,, +48,VDD,VDD,VDD,,,,,,,, +49,PTC4/LLWU_P8,DISABLED,,PTC4/LLWU_P8,SPI0_PCS0,UART1_TX,FTM0_CH3,FB_AD11,CMP1_OUT,, +50,PTC5/LLWU_P9,DISABLED,,PTC5/LLWU_P9,SPI0_SCK,LPTMR0_ALT2,I2S0_RXD0,FB_AD10,CMP0_OUT,, +51,PTC6/LLWU_P10,CMP0_IN0,CMP0_IN0,PTC6/LLWU_P10,SPI0_SOUT,PDB0_EXTRG,I2S0_RX_BCLK,FB_AD9,I2S0_MCLK,, +52,PTC7,CMP0_IN1,CMP0_IN1,PTC7,SPI0_SIN,USB_SOF_OUT,I2S0_RX_FS,FB_AD8,,, +53,PTC8,ADC1_SE4b/CMP0_IN2,ADC1_SE4b/CMP0_IN2,PTC8,,,I2S0_MCLK,FB_AD7,,, +54,PTC9,ADC1_SE5b/CMP0_IN3,ADC1_SE5b/CMP0_IN3,PTC9,,,I2S0_RX_BCLK,FB_AD6,FTM2_FLT0,, +55,PTC10,ADC1_SE6b,ADC1_SE6b,PTC10,I2C1_SCL,,I2S0_RX_FS,FB_AD5,,, +56,PTC11/LLWU_P11,ADC1_SE7b,ADC1_SE7b,PTC11/LLWU_P11,I2C1_SDA,,I2S0_RXD1,FB_RW_b,,, +57,PTD0/LLWU_P12,DISABLED,,PTD0/LLWU_P12,SPI0_PCS0,UART2_RTS_b,,FB_ALE/FB_CS1_b/FB_TS_b,,, +58,PTD1,ADC0_SE5b,ADC0_SE5b,PTD1,SPI0_SCK,UART2_CTS_b,,FB_CS0_b,,, +59,PTD2/LLWU_P13,DISABLED,,PTD2/LLWU_P13,SPI0_SOUT,UART2_RX,,FB_AD4,,, +60,PTD3,DISABLED,,PTD3,SPI0_SIN,UART2_TX,,FB_AD3,,, +61,PTD4/LLWU_P14,DISABLED,,PTD4/LLWU_P14,SPI0_PCS1,UART0_RTS_b,FTM0_CH4,FB_AD2,EWM_IN,, +62,PTD5,ADC0_SE6b,ADC0_SE6b,PTD5,SPI0_PCS2,UART0_CTS_b/UART0_COL_b,FTM0_CH5,FB_AD1,EWM_OUT_b,, +63,PTD6/LLWU_P15,ADC0_SE7b,ADC0_SE7b,PTD6/LLWU_P15,SPI0_PCS3,UART0_RX,FTM0_CH6,FB_AD0,FTM0_FLT0,, +64,PTD7,DISABLED,,PTD7,CMT_IRO,UART0_TX,FTM0_CH7,,FTM0_FLT1,, diff --git a/teensy/mk20dx256-prefix.c b/teensy/mk20dx256-prefix.c new file mode 100644 index 0000000000..ea9eec74a2 --- /dev/null +++ b/teensy/mk20dx256-prefix.c @@ -0,0 +1,37 @@ +// stm32fxx-prefix.c becomes the initial portion of the generated pins file. + +#include +#include +#include + +#include "teensy_hal.h" + +#include "misc.h" +#include "mpconfig.h" +#include "qstr.h" +#include "obj.h" +#include "pin.h" + +#define AF(af_idx, af_fn, af_unit, af_type, af_ptr) \ +{ \ + { &pin_af_type }, \ + .idx = (af_idx), \ + .fn = AF_FN_ ## af_fn, \ + .unit = (af_unit), \ + .type = AF_PIN_TYPE_ ## af_fn ## _ ## af_type, \ + .af_fn = (af_ptr) \ +} + +#define PIN(p_port, p_pin, p_num_af, p_af, p_adc_num, p_adc_channel) \ +{ \ + { &pin_type }, \ + .name = #p_port #p_pin, \ + .port = PORT_ ## p_port, \ + .pin = (p_pin), \ + .num_af = (p_num_af), \ + .pin_mask = (1 << (p_pin)), \ + .gpio = GPIO ## p_port, \ + .af = p_af, \ + .adc_num = p_adc_num, \ + .adc_channel = p_adc_channel, \ +} diff --git a/teensy/mk20dx256.ld b/teensy/mk20dx256.ld index e46efd3e26..bff0a8c4aa 100644 --- a/teensy/mk20dx256.ld +++ b/teensy/mk20dx256.ld @@ -10,10 +10,10 @@ * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * - * 1. The above copyright notice and this permission notice shall be + * 1. The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * - * 2. If the Software is incorporated into a build system that allows + * 2. If the Software is incorporated into a build system that allows * selection among a list of target devices, then similar target * devices manufactured by PJRC.COM must be included in the list of * target devices and selectable in the same manner. @@ -30,8 +30,8 @@ MEMORY { - FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 256K - RAM (rwx) : ORIGIN = 0x1FFF8000, LENGTH = 64K + FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 256K + RAM (rwx) : ORIGIN = 0x1FFF8000, LENGTH = 64K } /* produce a link error if there is not this amount of RAM for these sections */ @@ -52,10 +52,10 @@ _minimum_heap_size = 16K; * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * - * 1. The above copyright notice and this permission notice shall be + * 1. The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * - * 2. If the Software is incorporated into a build system that allows + * 2. If the Software is incorporated into a build system that allows * selection among a list of target devices, then similar target * devices manufactured by PJRC.COM must be included in the list of * target devices and selectable in the same manner. @@ -74,95 +74,101 @@ _minimum_heap_size = 16K; SECTIONS { - .text : { - . = 0; - KEEP(*(.vectors)) - *(.startup*) - /* TODO: does linker detect startup overflow onto flashconfig? */ - . = 0x400; - KEEP(*(.flashconfig*)) - *(.text*) - *(.rodata*) - . = ALIGN(4); - KEEP(*(.init)) - . = ALIGN(4); - __preinit_array_start = .; - KEEP (*(.preinit_array)) - __preinit_array_end = .; - __init_array_start = .; - KEEP (*(SORT(.init_array.*))) - KEEP (*(.init_array)) - __init_array_end = .; - } > FLASH = 0xFF + .text : { + . = 0; + KEEP(*(.vectors)) + *(.startup*) + /* TODO: does linker detect startup overflow onto flashconfig? */ + . = 0x400; + KEEP(*(.flashconfig*)) + *(.text*) + *(.rodata*) + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + } > FLASH = 0xFF - .ARM.exidx : { - __exidx_start = .; - *(.ARM.exidx* .gnu.linkonce.armexidx.*) - __exidx_end = .; - } > FLASH - _etext = .; + .ARM.exidx : { + __exidx_start = .; + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + __exidx_end = .; + } > FLASH + _etext = .; - .usbdescriptortable (NOLOAD) : { - /* . = ORIGIN(RAM); */ - . = ALIGN(512); - *(.usbdescriptortable*) - } > RAM + .usbdescriptortable (NOLOAD) : { + /* . = ORIGIN(RAM); */ + . = ALIGN(512); + *(.usbdescriptortable*) + } > RAM - .dmabuffers (NOLOAD) : { - . = ALIGN(4); - *(.dmabuffers*) - } > RAM + .dmabuffers (NOLOAD) : { + . = ALIGN(4); + *(.dmabuffers*) + } > RAM - .usbbuffers (NOLOAD) : { - . = ALIGN(4); - *(.usbbuffers*) - } > RAM + .usbbuffers (NOLOAD) : { + . = ALIGN(4); + *(.usbbuffers*) + } > RAM - .data : AT (_etext) { - . = ALIGN(4); - _sdata = .; - *(.data*) - . = ALIGN(4); - _edata = .; - } > RAM + /* used by the startup to initialize data */ + _sidata = LOADADDR(.data); - /* - * _staticfs is the place in flash where the static filesystem which - * is concatenated to the .hex file will wind up. - */ - _staticfs = LOADADDR(.data) + SIZEOF(.data); + .data : AT (_etext) { + . = ALIGN(4); + _sdata = .; + _ram_start = .; + *(.data*) + . = ALIGN(4); + _edata = .; + } > RAM - .noinit (NOLOAD) : { - *(.noinit*) - } > RAM + /* + * _staticfs is the place in flash where the static filesystem which + * is concatenated to the .hex file will wind up. + */ + _staticfs = LOADADDR(.data) + SIZEOF(.data); - .bss : { - . = ALIGN(4); - _sbss = .; - *(.bss*) - *(COMMON) - . = ALIGN(4); - _ebss = .; - __bss_end = .; - } > RAM + .noinit (NOLOAD) : { + *(.noinit*) + } > RAM - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM + .bss : { + . = ALIGN(4); + _sbss = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + _ebss = .; + __bss_end = .; + } > RAM - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM + /* this is to define the start of the heap, and make sure we have a minimum size */ + .heap : + { + . = ALIGN(4); + _heap_start = .; /* define a global symbol at heap start */ + . = . + _minimum_heap_size; + } >RAM - _estack = ORIGIN(RAM) + LENGTH(RAM); + /* this just checks there is enough RAM for the stack */ + .stack : + { + . = ALIGN(4); + . = . + _minimum_stack_size; + . = ALIGN(4); + } >RAM + + _estack = ORIGIN(RAM) + LENGTH(RAM); + _ram_end = ORIGIN(RAM) + LENGTH(RAM); + _heap_end = ORIGIN(RAM) + 0xe000; } diff --git a/teensy/modpyb.c b/teensy/modpyb.c new file mode 100644 index 0000000000..0240395dc7 --- /dev/null +++ b/teensy/modpyb.c @@ -0,0 +1,341 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * 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 +#include +#include +#include "Arduino.h" + +#include "misc.h" +#include "mpconfig.h" + +#include "teensy_hal.h" + +#include "qstr.h" +#include "obj.h" +#include "gc.h" +#include "gccollect.h" +#include "systick.h" +#include "pybstdio.h" +#include "pyexec.h" +#include "led.h" +#include "pin.h" +//#include "timer.h" +#include "extint.h" +#include "usrsw.h" +#include "rng.h" +//#include "rtc.h" +//#include "i2c.h" +//#include "spi.h" +#include "uart.h" +#include "adc.h" +#include "storage.h" +#include "sdcard.h" +#include "accel.h" +#include "servo.h" +#include "dac.h" +#include "usb.h" +#include "portmodules.h" + +/// \module pyb - functions related to the pyboard +/// +/// The `pyb` module contains specific functions related to the pyboard. + +/// \function bootloader() +/// Activate the bootloader without BOOT* pins. +STATIC mp_obj_t pyb_bootloader(void) { + printf("bootloader command not current supported\n"); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_bootloader_obj, pyb_bootloader); + +/// \function info([dump_alloc_table]) +/// Print out lots of information about the board. +STATIC mp_obj_t pyb_info(uint n_args, const mp_obj_t *args) { + // get and print unique id; 96 bits + { + byte *id = (byte*)0x40048058; + printf("ID=%02x%02x%02x%02x:%02x%02x%02x%02x:%02x%02x%02x%02x\n", id[0], id[1], id[2], id[3], id[4], id[5], id[6], id[7], id[8], id[9], id[10], id[11]); + } + + // get and print clock speeds + printf("CPU=%u\nBUS=%u\nMEM=%u\n", F_CPU, F_BUS, F_MEM); + + // to print info about memory + { + printf("_etext=%p\n", &_etext); + printf("_sidata=%p\n", &_sidata); + printf("_sdata=%p\n", &_sdata); + printf("_edata=%p\n", &_edata); + printf("_sbss=%p\n", &_sbss); + printf("_ebss=%p\n", &_ebss); + printf("_estack=%p\n", &_estack); + printf("_ram_start=%p\n", &_ram_start); + printf("_heap_start=%p\n", &_heap_start); + printf("_heap_end=%p\n", &_heap_end); + printf("_ram_end=%p\n", &_ram_end); + } + + // qstr info + { + uint n_pool, n_qstr, n_str_data_bytes, n_total_bytes; + qstr_pool_info(&n_pool, &n_qstr, &n_str_data_bytes, &n_total_bytes); + printf("qstr:\n n_pool=%u\n n_qstr=%u\n n_str_data_bytes=%u\n n_total_bytes=%u\n", n_pool, n_qstr, n_str_data_bytes, n_total_bytes); + } + + // GC info + { + gc_info_t info; + gc_info(&info); + printf("GC:\n"); + printf(" " UINT_FMT " total\n", info.total); + printf(" " UINT_FMT " : " UINT_FMT "\n", info.used, info.free); + printf(" 1=" UINT_FMT " 2=" UINT_FMT " m=" UINT_FMT "\n", info.num_1block, info.num_2block, info.max_block); + } + + if (n_args == 1) { + // arg given means dump gc allocation table + gc_dump_alloc_table(); + } + + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj, 0, 1, pyb_info); + +/// \function unique_id() +/// Returns a string of 12 bytes (96 bits), which is the unique ID for the MCU. +STATIC mp_obj_t pyb_unique_id(void) { + byte *id = (byte*)0x40048058; + return mp_obj_new_bytes(id, 12); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_unique_id_obj, pyb_unique_id); + +/// \function freq() +/// Return a tuple of clock frequencies: (SYSCLK, HCLK, PCLK1, PCLK2). +// TODO should also be able to set frequency via this function +STATIC mp_obj_t pyb_freq(void) { + mp_obj_t tuple[3] = { + mp_obj_new_int(F_CPU), + mp_obj_new_int(F_BUS), + mp_obj_new_int(F_MEM), + }; + return mp_obj_new_tuple(3, tuple); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_freq_obj, pyb_freq); + +/// \function sync() +/// Sync all file systems. +STATIC mp_obj_t pyb_sync(void) { + printf("sync not currently implemented\n"); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_sync_obj, pyb_sync); + +/// \function millis() +/// Returns the number of milliseconds since the board was last reset. +STATIC mp_obj_t pyb_millis(void) { + return mp_obj_new_int(HAL_GetTick()); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_millis_obj, pyb_millis); + +/// \function delay(ms) +/// Delay for the given number of milliseconds. +STATIC mp_obj_t pyb_delay(mp_obj_t ms_in) { + machine_int_t ms = mp_obj_get_int(ms_in); + if (ms >= 0) { + HAL_Delay(ms); + } + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_delay_obj, pyb_delay); + +/// \function udelay(us) +/// Delay for the given number of microseconds. +STATIC mp_obj_t pyb_udelay(mp_obj_t usec_in) { + machine_int_t usec = mp_obj_get_int(usec_in); + delayMicroseconds(usec); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_udelay_obj, pyb_udelay); + +/// \function wfi() +/// Wait for an interrupt. +/// This executies a `wfi` instruction which reduces power consumption +/// of the MCU until an interrupt occurs, at which point execution continues. +STATIC mp_obj_t pyb_wfi(void) { + __WFI(); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_0(pyb_wfi_obj, pyb_wfi); + +/// \function disable_irq() +/// Disable interrupt requests. +STATIC mp_obj_t pyb_disable_irq(void) { + __disable_irq(); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_0(pyb_disable_irq_obj, pyb_disable_irq); + +/// \function enable_irq() +/// Enable interrupt requests. +STATIC mp_obj_t pyb_enable_irq(void) { + __enable_irq(); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_0(pyb_enable_irq_obj, pyb_enable_irq); + +STATIC mp_obj_t pyb_stop(void) { + printf("stop not currently implemented\n"); + return mp_const_none; +} + +MP_DEFINE_CONST_FUN_OBJ_0(pyb_stop_obj, pyb_stop); + +STATIC mp_obj_t pyb_standby(void) { + printf("standby not currently implemented\n"); + return mp_const_none; +} + +MP_DEFINE_CONST_FUN_OBJ_0(pyb_standby_obj, pyb_standby); + +/// \function have_cdc() +/// Return True if USB is connected as a serial device, False otherwise. +STATIC mp_obj_t pyb_have_cdc(void ) { + return MP_BOOL(usb_vcp_is_connected()); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_have_cdc_obj, pyb_have_cdc); + +/// \function hid((buttons, x, y, z)) +/// Takes a 4-tuple (or list) and sends it to the USB host (the PC) to +/// signal a HID mouse-motion event. +STATIC mp_obj_t pyb_hid_send_report(mp_obj_t arg) { +#if 1 + printf("hid_send_report not currently implemented\n"); +#else + mp_obj_t *items; + mp_obj_get_array_fixed_n(arg, 4, &items); + uint8_t data[4]; + data[0] = mp_obj_get_int(items[0]); + data[1] = mp_obj_get_int(items[1]); + data[2] = mp_obj_get_int(items[2]); + data[3] = mp_obj_get_int(items[3]); + usb_hid_send_report(data); +#endif + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_hid_send_report_obj, pyb_hid_send_report); + +MP_DECLARE_CONST_FUN_OBJ(pyb_source_dir_obj); // defined in main.c +MP_DECLARE_CONST_FUN_OBJ(pyb_main_obj); // defined in main.c +MP_DECLARE_CONST_FUN_OBJ(pyb_usb_mode_obj); // defined in main.c + +STATIC const mp_map_elem_t pyb_module_globals_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_pyb) }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_bootloader), (mp_obj_t)&pyb_bootloader_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&pyb_info_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_unique_id), (mp_obj_t)&pyb_unique_id_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_freq), (mp_obj_t)&pyb_freq_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_repl_info), (mp_obj_t)&pyb_set_repl_info_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_wfi), (mp_obj_t)&pyb_wfi_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_disable_irq), (mp_obj_t)&pyb_disable_irq_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_enable_irq), (mp_obj_t)&pyb_enable_irq_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_stop), (mp_obj_t)&pyb_stop_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_standby), (mp_obj_t)&pyb_standby_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_source_dir), (mp_obj_t)&pyb_source_dir_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_main), (mp_obj_t)&pyb_main_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_usb_mode), (mp_obj_t)&pyb_usb_mode_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_have_cdc), (mp_obj_t)&pyb_have_cdc_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_hid), (mp_obj_t)&pyb_hid_send_report_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_millis), (mp_obj_t)&pyb_millis_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_delay), (mp_obj_t)&pyb_delay_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_udelay), (mp_obj_t)&pyb_udelay_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_sync), (mp_obj_t)&pyb_sync_obj }, + +// { MP_OBJ_NEW_QSTR(MP_QSTR_Timer), (mp_obj_t)&pyb_timer_type }, + +//#if MICROPY_HW_ENABLE_RNG +// { MP_OBJ_NEW_QSTR(MP_QSTR_rng), (mp_obj_t)&pyb_rng_get_obj }, +//#endif + +//#if MICROPY_HW_ENABLE_RTC +// { MP_OBJ_NEW_QSTR(MP_QSTR_RTC), (mp_obj_t)&pyb_rtc_type }, +//#endif + + { MP_OBJ_NEW_QSTR(MP_QSTR_Pin), (mp_obj_t)&pin_type }, +// { MP_OBJ_NEW_QSTR(MP_QSTR_ExtInt), (mp_obj_t)&extint_type }, + +#if MICROPY_HW_ENABLE_SERVO + { MP_OBJ_NEW_QSTR(MP_QSTR_pwm), (mp_obj_t)&pyb_pwm_set_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_servo), (mp_obj_t)&pyb_servo_set_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_Servo), (mp_obj_t)&pyb_servo_type }, +#endif + +#if MICROPY_HW_HAS_SWITCH + { MP_OBJ_NEW_QSTR(MP_QSTR_Switch), (mp_obj_t)&pyb_switch_type }, +#endif + +//#if MICROPY_HW_HAS_SDCARD +// { MP_OBJ_NEW_QSTR(MP_QSTR_SD), (mp_obj_t)&pyb_sdcard_obj }, +//#endif + + { MP_OBJ_NEW_QSTR(MP_QSTR_LED), (mp_obj_t)&pyb_led_type }, +// { MP_OBJ_NEW_QSTR(MP_QSTR_I2C), (mp_obj_t)&pyb_i2c_type }, +// { MP_OBJ_NEW_QSTR(MP_QSTR_SPI), (mp_obj_t)&pyb_spi_type }, + { MP_OBJ_NEW_QSTR(MP_QSTR_UART), (mp_obj_t)&pyb_uart_type }, + +// { MP_OBJ_NEW_QSTR(MP_QSTR_ADC), (mp_obj_t)&pyb_adc_type }, +// { MP_OBJ_NEW_QSTR(MP_QSTR_ADCAll), (mp_obj_t)&pyb_adc_all_type }, + +//#if MICROPY_HW_ENABLE_DAC +// { MP_OBJ_NEW_QSTR(MP_QSTR_DAC), (mp_obj_t)&pyb_dac_type }, +//#endif + +//#if MICROPY_HW_HAS_MMA7660 +// { MP_OBJ_NEW_QSTR(MP_QSTR_Accel), (mp_obj_t)&pyb_accel_type }, +//#endif +}; + +STATIC const mp_obj_dict_t pyb_module_globals = { + .base = {&mp_type_dict}, + .map = { + .all_keys_are_qstrs = 1, + .table_is_fixed_array = 1, + .used = ARRAY_SIZE(pyb_module_globals_table), + .alloc = ARRAY_SIZE(pyb_module_globals_table), + .table = (mp_map_elem_t*)pyb_module_globals_table, + }, +}; + +const mp_obj_module_t pyb_module = { + .base = { &mp_type_module }, + .name = MP_QSTR_pyb, + .globals = (mp_obj_dict_t*)&pyb_module_globals, +}; diff --git a/teensy/mpconfigport.h b/teensy/mpconfigport.h index f7c66d8874..417335cfcb 100644 --- a/teensy/mpconfigport.h +++ b/teensy/mpconfigport.h @@ -2,20 +2,102 @@ // options to control how Micro Python is built +#define MICROPY_ALLOC_PATH_MAX (128) #define MICROPY_EMIT_THUMB (1) #define MICROPY_EMIT_INLINE_THUMB (1) #define MICROPY_ENABLE_GC (1) +#define MICROPY_ENABLE_FINALISER (1) #define MICROPY_HELPER_REPL (1) #define MICROPY_PY_BUILTINS_FLOAT (1) +#define MICROPY_ENABLE_SOURCE_LINE (1) +#define MICROPY_LONGINT_IMPL (MICROPY_LONGINT_IMPL_MPZ) +#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_FLOAT) +#define MICROPY_OPT_COMPUTED_GOTO (1) + +#define MICROPY_PY_IO (0) +#define MICROPY_PY_FROZENSET (1) +#define MICROPY_PY_SYS_EXIT (1) +#define MICROPY_PY_SYS_STDFILES (1) +#define MICROPY_PY_CMATH (1) + +// extra built in names to add to the global namespace +extern const struct _mp_obj_fun_native_t mp_builtin_help_obj; +extern const struct _mp_obj_fun_native_t mp_builtin_input_obj; +extern const struct _mp_obj_fun_native_t mp_builtin_open_obj; +#define MICROPY_PORT_BUILTINS \ + { MP_OBJ_NEW_QSTR(MP_QSTR_help), (mp_obj_t)&mp_builtin_help_obj }, \ + { MP_OBJ_NEW_QSTR(MP_QSTR_input), (mp_obj_t)&mp_builtin_input_obj }, \ + +// extra built in modules to add to the list of known ones +extern const struct _mp_obj_module_t os_module; +extern const struct _mp_obj_module_t pyb_module; +extern const struct _mp_obj_module_t time_module; +#define MICROPY_PORT_BUILTIN_MODULES \ + { MP_OBJ_NEW_QSTR(MP_QSTR_pyb), (mp_obj_t)&pyb_module }, \ + +// extra constants +#define MICROPY_PORT_CONSTANTS \ + { MP_OBJ_NEW_QSTR(MP_QSTR_pyb), (mp_obj_t)&pyb_module }, \ // type definitions for the specific machine #define BYTES_PER_WORD (4) +#define UINT_FMT "%u" +#define INT_FMT "%d" + typedef int32_t machine_int_t; // must be pointer size -typedef uint32_t machine_uint_t; // must be pointer size +typedef unsigned int machine_uint_t; // must be pointer size typedef void *machine_ptr_t; // must be of pointer size typedef const void *machine_const_ptr_t; // must be of pointer size -typedef float machine_float_t; -machine_float_t machine_sqrt(machine_float_t x); +// There is no classical C heap in bare-metal ports, only Python +// garbage-collected heap. For completeness, emulate C heap via +// GC heap. Note that MicroPython core never uses malloc() and friends, +// so these defines are mostly to help extension module writers. +#define malloc gc_alloc +#define free gc_free +#define realloc gc_realloc + +// We need to provide a declaration/definition of alloca() +#include + +// The following would be from a board specific file, if one existed + +#define MICROPY_HW_BOARD_NAME "Teensy-3.1" + +#define MICROPY_HW_HAS_SWITCH (0) +#define MICROPY_HW_HAS_SDCARD (0) +#define MICROPY_HW_HAS_MMA7660 (0) +#define MICROPY_HW_HAS_LIS3DSH (0) +#define MICROPY_HW_HAS_LCD (0) +#define MICROPY_HW_ENABLE_RNG (0) +#define MICROPY_HW_ENABLE_RTC (0) +#define MICROPY_HW_ENABLE_TIMER (0) +#define MICROPY_HW_ENABLE_SERVO (0) +#define MICROPY_HW_ENABLE_DAC (0) +#define MICROPY_HW_ENABLE_I2C1 (0) +#define MICROPY_HW_ENABLE_SPI1 (0) +#define MICROPY_HW_ENABLE_SPI3 (0) +#define MICROPY_HW_ENABLE_CC3K (0) + +#define MICROPY_HW_LED1 (pin_C5) +#define MICROPY_HW_LED_OTYPE (GPIO_MODE_OUTPUT_PP) +#define MICROPY_HW_LED_ON(pin) (pin->gpio->PSOR = pin->pin_mask) +#define MICROPY_HW_LED_OFF(pin) (pin->gpio->PCOR = pin->pin_mask) + +#if 0 +// SD card detect switch +#define MICROPY_HW_SDCARD_DETECT_PIN (pin_A8) +#define MICROPY_HW_SDCARD_DETECT_PULL (GPIO_PULLUP) +#define MICROPY_HW_SDCARD_DETECT_PRESENT (GPIO_PIN_RESET) +#endif + +#define MICROPY_MATH_SQRT_ASM (1) + +#define HAL_H "teensy_hal.h" +#define PIN_DEFS_PORT_H "pin_defs_teensy.h" + +#define GPIO_read_pin(gpio, pin) (((gpio)->PDIR >> (pin)) & 1) +#define GPIO_set_pin(gpio, pin_mask) (((gpio)->PSOR) = (pin_mask)) +#define GPIO_clear_pin(gpio, pin_mask) (((gpio)->PCOR) = (pin_mask)) diff --git a/teensy/pin_defs_teensy.h b/teensy/pin_defs_teensy.h new file mode 100644 index 0000000000..66942c2ea8 --- /dev/null +++ b/teensy/pin_defs_teensy.h @@ -0,0 +1,46 @@ +enum { + PORT_A, + PORT_B, + PORT_C, + PORT_D, + PORT_E, + PORT_Z, +}; + +enum { + AF_FN_FTM, + AF_FN_I2C, + AF_FN_UART, + AF_FN_SPI +}; + +enum { + AF_PIN_TYPE_FTM_CH0 = 0, + AF_PIN_TYPE_FTM_CH1, + AF_PIN_TYPE_FTM_CH2, + AF_PIN_TYPE_FTM_CH3, + AF_PIN_TYPE_FTM_QD_PHA, + AF_PIN_TYPE_FTM_QD_PHB, + + AF_PIN_TYPE_I2C_SDA = 0, + AF_PIN_TYPE_I2C_SCL, + + AF_PIN_TYPE_SPI_MOSI = 0, + AF_PIN_TYPE_SPI_MISO, + AF_PIN_TYPE_SPI_SCK, + AF_PIN_TYPE_SPI_NSS, + + AF_PIN_TYPE_UART_TX = 0, + AF_PIN_TYPE_UART_RX, + AF_PIN_TYPE_UART_CTS, + AF_PIN_TYPE_UART_RTS, +}; + +#define PIN_DEFS_PORT_AF_UNION \ + FTM_TypeDef *FTM; \ + I2C_TypeDef *I2C; \ + UART_TypeDef *UART; \ + SPI_TypeDef *SPI; + +typedef GPIO_TypeDef pin_gpio_t; + diff --git a/teensy/qstrdefsport.h b/teensy/qstrdefsport.h index 8b23a86bf0..2fb70af7b4 100644 --- a/teensy/qstrdefsport.h +++ b/teensy/qstrdefsport.h @@ -20,7 +20,7 @@ Q(mma_mode) Q(hid) Q(time) Q(rand) -Q(Led) +Q(LED) Q(led) Q(Servo) Q(I2C) @@ -32,5 +32,63 @@ Q(analogRead) Q(analogWrite) Q(analogWriteResolution) Q(analogWriteFrequency) -Q(run) +Q(on) +Q(off) +Q(toggle) +Q(readall) +Q(readline) +Q(FileIO) +Q(input) +Q(os) +Q(bootloader) +Q(unique_id) +Q(freq) +Q(repl_info) +Q(wfi) +Q(disable_irq) +Q(enable_irq) +Q(usb_mode) +Q(have_cdc) +Q(millis) +Q(udelay) +Q(UART) + +// for Pin class +Q(Pin) +Q(PinAF) +Q(PinNamed) +Q(init) +Q(value) +Q(low) +Q(high) +Q(name) +Q(port) +Q(pin) +Q(mapper) +Q(dict) +Q(debug) +Q(board) +Q(cpu) +Q(IN) +Q(OUT_PP) +Q(OUT_OD) +Q(AF_PP) +Q(AF_OD) +Q(ANALOG) +Q(PULL_NONE) +Q(PULL_UP) +Q(PULL_DOWN) + +// for UART class +Q(UART) +Q(baudrate) +Q(bits) +Q(stop) +Q(parity) +Q(init) +Q(deinit) +Q(all) +Q(send) +Q(recv) +Q(timeout) diff --git a/teensy/servo.h b/teensy/servo.h index c4a5bd49b1..5dad041138 100644 --- a/teensy/servo.h +++ b/teensy/servo.h @@ -1,2 +1,7 @@ -mp_obj_t pyb_Servo(void); +void servo_init(void); + +extern const mp_obj_type_t pyb_servo_type; + +MP_DECLARE_CONST_FUN_OBJ(pyb_servo_set_obj); +MP_DECLARE_CONST_FUN_OBJ(pyb_pwm_set_obj); diff --git a/teensy/teensy-pins.csv b/teensy/teensy-pins.csv new file mode 100644 index 0000000000..acaef63aad --- /dev/null +++ b/teensy/teensy-pins.csv @@ -0,0 +1,55 @@ +D0,PTB16 +D1,PTB17 +D2,PTD0 +D3,PTA12 +D4,PTA13 +D5,PTD7 +D6,PTD4 +D7,PTD2 +D8,PTD3 +D9,PTC3 +D10,PTC4 +D11,PTC6 +D12,PTC7 +D13,PTC5 +D14,PTD1 +D15,PTC0 +D16,PTB0 +D17,PTB1 +D18,PTB3 +D19,PTB2 +D20,PTD5 +D21,PTD6 +D22,PTC1 +D23,PTC2 +D24,PTA5 +D25,PTB19 +D26,PTE1 +D27,PTC9 +D28,PTC8 +D29,PTC10 +D30,PTC11 +D31,PTE0 +D32,PTB18 +D33,PTA4 +A0,PTD1 +A1,PTC0 +A2,PTB0 +A3,PTB1 +A4,PTB3 +A5,PTB2 +A6,PTD5 +A7,PTD6 +A8,PTC1 +A9,PTC2 +A10,PTZ0 +A11,PTZ1 +A12,PTZ2 +A13,PTZ3 +A14,PTZ5 +A15,PTE1 +A16,PTC9 +A17,PTC8 +A18,PTC10 +A19,PTC11 +A20,PTE0 diff --git a/teensy/teensy_hal.c b/teensy/teensy_hal.c new file mode 100644 index 0000000000..5f162f1e78 --- /dev/null +++ b/teensy/teensy_hal.c @@ -0,0 +1,16 @@ +#include +#include + +#include "mpconfig.h" + +#include "Arduino.h" + +#include HAL_H + +uint32_t HAL_GetTick(void) { + return micros(); +} + +void HAL_Delay(uint32_t Delay) { + delay(Delay); +} diff --git a/teensy/teensy_hal.h b/teensy/teensy_hal.h new file mode 100644 index 0000000000..3afe01b1c9 --- /dev/null +++ b/teensy/teensy_hal.h @@ -0,0 +1,108 @@ + +#ifdef USE_FULL_ASSERT + #define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__)) + void assert_failed(uint8_t* file, uint32_t line); +#else + #define assert_param(expr) ((void)0) +#endif /* USE_FULL_ASSERT */ + +#define FTM0 ((FTM_TypeDef *)&FTM0_SC) +#define FTM1 ((FTM_TypeDef *)&FTM1_SC) +#define FTM2 ((FTM_TypeDef *)&FTM2_SC) + +#define GPIOA ((GPIO_TypeDef *)&GPIOA_PDOR) +#define GPIOB ((GPIO_TypeDef *)&GPIOB_PDOR) +#define GPIOC ((GPIO_TypeDef *)&GPIOC_PDOR) +#define GPIOD ((GPIO_TypeDef *)&GPIOD_PDOR) +#define GPIOE ((GPIO_TypeDef *)&GPIOE_PDOR) +#define GPIOZ ((GPIO_TypeDef *)NULL) + +#define I2C0 ((I2C_TypeDef *)0x40066000) +#define I2C1 ((I2C_TypeDef *)0x40067000) + +#undef SPI0 +#define SPI0 ((SPI_TypeDef *)0x4002C000) +#define SPI1 ((SPI_TypeDef *)0x4002D000) + +#define UART0 ((UART_TypeDef *)&UART0_BDH) +#define UART1 ((UART_TypeDef *)&UART1_BDH) +#define UART2 ((UART_TypeDef *)&UART2_BDH) + +typedef struct { + uint32_t dummy; +} FTM_TypeDef; + +typedef struct { + uint32_t dummy; +} I2C_TypeDef; + +typedef struct { + uint32_t dummy; +} UART_TypeDef; + +typedef struct { + uint32_t dummy; +} SPI_TypeDef; + +typedef struct { + volatile uint32_t PDOR; // Output register + volatile uint32_t PSOR; // Set output register + volatile uint32_t PCOR; // Clear output register + volatile uint32_t PTOR; // Toggle output register + volatile uint32_t PDIR; // Data Input register + volatile uint32_t PDDR; // Data Direction register +} GPIO_TypeDef; + +#define GPIO_OUTPUT_TYPE ((uint32_t)0x00000010) // Indicates OD + +#define GPIO_MODE_INPUT ((uint32_t)0x00000000) +#define GPIO_MODE_OUTPUT_PP ((uint32_t)0x00000001) +#define GPIO_MODE_OUTPUT_OD ((uint32_t)0x00000011) +#define GPIO_MODE_AF_PP ((uint32_t)0x00000002) +#define GPIO_MODE_AF_OD ((uint32_t)0x00000012) +#define GPIO_MODE_ANALOG ((uint32_t)0x00000003) + +#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT) ||\ + ((MODE) == GPIO_MODE_OUTPUT_PP) ||\ + ((MODE) == GPIO_MODE_OUTPUT_OD) ||\ + ((MODE) == GPIO_MODE_AF_PP) ||\ + ((MODE) == GPIO_MODE_AF_OD) ||\ + ((MODE) == GPIO_MODE_ANALOG)) + +#define GPIO_NOPULL ((uint32_t)0) +#define GPIO_PULLUP ((uint32_t)1) +#define GPIO_PULLDOWN ((uint32_t)2) + +#define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \ + ((PULL) == GPIO_PULLDOWN)) + +#define GPIO_SPEED_LOW ((uint32_t)0) +#define GPIO_SPEED_MEDIUM ((uint32_t)1) +#define GPIO_SPEED_FAST ((uint32_t)2) +#define GPIO_SPEED_HIGH ((uint32_t)3) + + +typedef struct { + uint32_t Pin; + uint32_t Mode; + uint32_t Pull; + uint32_t Speed; + uint32_t Alternate; +} GPIO_InitTypeDef; + +#define GPIO_PORT_TO_PORT_NUM(GPIOx) \ + ((GPIOx->PDOR - GPIOA_PDOR) / (GPIOB_PDOR - GPIOA_PDOR)) + +#define GPIO_PIN_TO_PORT_PCR(GPIOx, pin) \ + (&PORTA_PCR0 + GPIO_PORT_TO_PORT_NUM(GPIOx) * 32 + (pin)) + +__attribute__(( always_inline )) static inline void __WFI(void) +{ + __asm volatile ("wfi"); +} + +uint32_t HAL_GetTick(void); +void HAL_Delay(uint32_t Delay); + +void HAL_GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *init); + diff --git a/teensy/uart.c b/teensy/uart.c new file mode 100644 index 0000000000..3dd546dd54 --- /dev/null +++ b/teensy/uart.c @@ -0,0 +1,524 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * 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 +#include + +#include "mpconfig.h" + +#include HAL_H + +#include "nlr.h" +#include "misc.h" +#include "qstr.h" +#include "obj.h" +#include "runtime.h" +#include "bufhelper.h" +#include "uart.h" + +/// \moduleref pyb +/// \class UART - duplex serial communication bus +/// +/// UART implements the standard UART/USART duplex serial communications protocol. At +/// the physical level it consists of 2 lines: RX and TX. +/// +/// See usage model of I2C. UART is very similar. Main difference is +/// parameters to init the UART bus: +/// +/// from pyb import UART +/// +/// uart = UART(1, 9600) # init with given baudrate +/// uart.init(9600, bits=8, stop=1, parity=None) # init with given parameters +/// +/// Bits can be 8 or 9, stop can be 1 or 2, parity can be None, 0 (even), 1 (odd). +/// +/// Extra method: +/// +/// uart.any() # returns True if any characters waiting + +struct _pyb_uart_obj_t { + mp_obj_base_t base; + pyb_uart_t uart_id; + bool is_enabled; +// UART_HandleTypeDef uart; +}; + +pyb_uart_obj_t *pyb_uart_global_debug = NULL; + +// assumes Init parameters have been set up correctly +bool uart_init2(pyb_uart_obj_t *uart_obj) { +#if 0 + USART_TypeDef *UARTx = NULL; + + uint32_t GPIO_Pin = 0; + uint8_t GPIO_AF_UARTx = 0; + GPIO_TypeDef* GPIO_Port = NULL; + + switch (uart_obj->uart_id) { + // USART1 is on PA9/PA10 (CK on PA8), PB6/PB7 + case PYB_UART_1: + UARTx = USART1; + GPIO_AF_UARTx = GPIO_AF7_USART1; + +#if defined (PYBV4) || defined(PYBV10) + GPIO_Port = GPIOB; + GPIO_Pin = GPIO_PIN_6 | GPIO_PIN_7; +#else + GPIO_Port = GPIOA; + GPIO_Pin = GPIO_PIN_9 | GPIO_PIN_10; +#endif + + __USART1_CLK_ENABLE(); + break; + + // USART2 is on PA2/PA3 (CK on PA4), PD5/PD6 (CK on PD7) + case PYB_UART_2: + UARTx = USART2; + GPIO_AF_UARTx = GPIO_AF7_USART2; + + GPIO_Port = GPIOA; + GPIO_Pin = GPIO_PIN_2 | GPIO_PIN_3; + + __USART2_CLK_ENABLE(); + break; + + // USART3 is on PB10/PB11 (CK on PB12), PC10/PC11 (CK on PC12), PD8/PD9 (CK on PD10) + case PYB_UART_3: + UARTx = USART3; + GPIO_AF_UARTx = GPIO_AF7_USART3; + +#if defined(PYBV3) || defined(PYBV4) | defined(PYBV10) + GPIO_Port = GPIOB; + GPIO_Pin = GPIO_PIN_10 | GPIO_PIN_11; +#else + GPIO_Port = GPIOD; + GPIO_Pin = GPIO_PIN_8 | GPIO_PIN_9; +#endif + __USART3_CLK_ENABLE(); + break; + + // UART4 is on PA0/PA1, PC10/PC11 + case PYB_UART_4: + UARTx = UART4; + GPIO_AF_UARTx = GPIO_AF8_UART4; + + GPIO_Port = GPIOA; + GPIO_Pin = GPIO_PIN_0 | GPIO_PIN_1; + + __UART4_CLK_ENABLE(); + break; + + // USART6 is on PC6/PC7 (CK on PC8) + case PYB_UART_6: + UARTx = USART6; + GPIO_AF_UARTx = GPIO_AF8_USART6; + + GPIO_Port = GPIOC; + GPIO_Pin = GPIO_PIN_6 | GPIO_PIN_7; + + __USART6_CLK_ENABLE(); + break; + + default: + return false; + } + + // init GPIO + GPIO_InitTypeDef GPIO_InitStructure; + GPIO_InitStructure.Pin = GPIO_Pin; + GPIO_InitStructure.Speed = GPIO_SPEED_HIGH; + GPIO_InitStructure.Mode = GPIO_MODE_AF_PP; + GPIO_InitStructure.Pull = GPIO_PULLUP; + GPIO_InitStructure.Alternate = GPIO_AF_UARTx; + HAL_GPIO_Init(GPIO_Port, &GPIO_InitStructure); + + // init UARTx + uart_obj->uart.Instance = UARTx; + HAL_UART_Init(&uart_obj->uart); + + uart_obj->is_enabled = true; +#endif + return true; +} + +bool uart_init(pyb_uart_obj_t *uart_obj, uint32_t baudrate) { +#if 0 + UART_HandleTypeDef *uh = &uart_obj->uart; + memset(uh, 0, sizeof(*uh)); + uh->Init.BaudRate = baudrate; + uh->Init.WordLength = UART_WORDLENGTH_8B; + uh->Init.StopBits = UART_STOPBITS_1; + uh->Init.Parity = UART_PARITY_NONE; + uh->Init.Mode = UART_MODE_TX_RX; + uh->Init.HwFlowCtl = UART_HWCONTROL_NONE; + uh->Init.OverSampling = UART_OVERSAMPLING_16; +#endif + return uart_init2(uart_obj); +} + +void uart_deinit(pyb_uart_obj_t *uart_obj) { +#if 0 + uart_obj->is_enabled = false; + UART_HandleTypeDef *uart = &uart_obj->uart; + HAL_UART_DeInit(uart); + if (uart->Instance == USART1) { + __USART1_FORCE_RESET(); + __USART1_RELEASE_RESET(); + __USART1_CLK_DISABLE(); + } else if (uart->Instance == USART2) { + __USART2_FORCE_RESET(); + __USART2_RELEASE_RESET(); + __USART2_CLK_DISABLE(); + } else if (uart->Instance == USART3) { + __USART3_FORCE_RESET(); + __USART3_RELEASE_RESET(); + __USART3_CLK_DISABLE(); + } else if (uart->Instance == UART4) { + __UART4_FORCE_RESET(); + __UART4_RELEASE_RESET(); + __UART4_CLK_DISABLE(); + } else if (uart->Instance == USART6) { + __USART6_FORCE_RESET(); + __USART6_RELEASE_RESET(); + __USART6_CLK_DISABLE(); + } +#endif +} + +bool uart_rx_any(pyb_uart_obj_t *uart_obj) { +#if 0 + return __HAL_UART_GET_FLAG(&uart_obj->uart, UART_FLAG_RXNE); +#else + return false; +#endif +} + +int uart_rx_char(pyb_uart_obj_t *uart_obj) { + uint8_t ch; +#if 0 + if (HAL_UART_Receive(&uart_obj->uart, &ch, 1, 0) != HAL_OK) { + ch = 0; + } +#else + ch = 'A'; +#endif + return ch; +} + +void uart_tx_char(pyb_uart_obj_t *uart_obj, int c) { +#if 0 + uint8_t ch = c; + HAL_UART_Transmit(&uart_obj->uart, &ch, 1, 100000); +#endif +} + +void uart_tx_str(pyb_uart_obj_t *uart_obj, const char *str) { +#if 0 + HAL_UART_Transmit(&uart_obj->uart, (uint8_t*)str, strlen(str), 100000); +#endif +} + +void uart_tx_strn(pyb_uart_obj_t *uart_obj, const char *str, uint len) { +#if 0 + HAL_UART_Transmit(&uart_obj->uart, (uint8_t*)str, len, 100000); +#endif +} + +void uart_tx_strn_cooked(pyb_uart_obj_t *uart_obj, const char *str, uint len) { + for (const char *top = str + len; str < top; str++) { + if (*str == '\n') { + uart_tx_char(uart_obj, '\r'); + } + uart_tx_char(uart_obj, *str); + } +} + +/******************************************************************************/ +/* Micro Python bindings */ + +STATIC void pyb_uart_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) { + pyb_uart_obj_t *self = self_in; + if (!self->is_enabled) { + print(env, "UART(%lu)", self->uart_id); + } else { +#if 0 + print(env, "UART(%lu, baudrate=%u, bits=%u, stop=%u", + self->uart_id, self->uart.Init.BaudRate, + self->uart.Init.WordLength == UART_WORDLENGTH_8B ? 8 : 9, + self->uart.Init.StopBits == UART_STOPBITS_1 ? 1 : 2); + if (self->uart.Init.Parity == UART_PARITY_NONE) { + print(env, ", parity=None)"); + } else { + print(env, ", parity=%u)", self->uart.Init.Parity == UART_PARITY_EVEN ? 0 : 1); + } +#endif + } +} + +/// \method init(baudrate, *, bits=8, stop=1, parity=None) +/// +/// Initialise the SPI bus with the given parameters: +/// +/// - `baudrate` is the clock rate. +/// - `bits` is the number of bits per byte, 8 or 9. +/// - `stop` is the number of stop bits, 1 or 2. +/// - `parity` is the parity, `None`, 0 (even) or 1 (odd). +STATIC const mp_arg_t pyb_uart_init_args[] = { + { MP_QSTR_baudrate, MP_ARG_REQUIRED | MP_ARG_INT, {.u_int = 9600} }, + { MP_QSTR_bits, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 8} }, + { MP_QSTR_stop, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 1} }, + { MP_QSTR_parity, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = mp_const_none} }, +}; +#define PYB_UART_INIT_NUM_ARGS ARRAY_SIZE(pyb_uart_init_args) + +STATIC mp_obj_t pyb_uart_init_helper(pyb_uart_obj_t *self, uint n_args, const mp_obj_t *args, mp_map_t *kw_args) { + // parse args + mp_arg_val_t vals[PYB_UART_INIT_NUM_ARGS]; + mp_arg_parse_all(n_args, args, kw_args, PYB_UART_INIT_NUM_ARGS, pyb_uart_init_args, vals); +#if 0 + // set the UART configuration values + memset(&self->uart, 0, sizeof(self->uart)); + UART_InitTypeDef *init = &self->uart.Init; + init->BaudRate = vals[0].u_int; + init->WordLength = vals[1].u_int == 8 ? UART_WORDLENGTH_8B : UART_WORDLENGTH_9B; + switch (vals[2].u_int) { + case 1: init->StopBits = UART_STOPBITS_1; break; + default: init->StopBits = UART_STOPBITS_2; break; + } + if (vals[3].u_obj == mp_const_none) { + init->Parity = UART_PARITY_NONE; + } else { + machine_int_t parity = mp_obj_get_int(vals[3].u_obj); + init->Parity = (parity & 1) ? UART_PARITY_ODD : UART_PARITY_EVEN; + } + init->Mode = UART_MODE_TX_RX; + init->HwFlowCtl = UART_HWCONTROL_NONE; + init->OverSampling = UART_OVERSAMPLING_16; + + // init UART (if it fails, it's because the port doesn't exist) + if (!uart_init2(self)) { + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "UART port %d does not exist", self->uart_id)); + } +#endif + + return mp_const_none; +} + +/// \classmethod \constructor(bus, ...) +/// +/// Construct a UART object on the given bus. `bus` can be 1-6, or 'XA', 'XB', 'YA', or 'YB'. +/// With no additional parameters, the UART object is created but not +/// initialised (it has the settings from the last initialisation of +/// the bus, if any). If extra arguments are given, the bus is initialised. +/// See `init` for parameters of initialisation. +/// +/// The physical pins of the UART busses are: +/// +/// - `UART(4)` is on `XA`: `(TX, RX) = (X1, X2) = (PA0, PA1)` +/// - `UART(1)` is on `XB`: `(TX, RX) = (X9, X10) = (PB6, PB7)` +/// - `UART(6)` is on `YA`: `(TX, RX) = (Y1, Y2) = (PC6, PC7)` +/// - `UART(3)` is on `YB`: `(TX, RX) = (Y9, Y10) = (PB10, PB11)` +/// - `UART(2)` is on: `(TX, RX) = (X3, X4) = (PA2, PA3)` +STATIC mp_obj_t pyb_uart_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) { + // check arguments + mp_arg_check_num(n_args, n_kw, 1, MP_OBJ_FUN_ARGS_MAX, true); + + // create object + pyb_uart_obj_t *o = m_new_obj(pyb_uart_obj_t); + o->base.type = &pyb_uart_type; + + // work out port + o->uart_id = 0; +#if 0 + if (MP_OBJ_IS_STR(args[0])) { + const char *port = mp_obj_str_get_str(args[0]); + if (0) { +#if defined(PYBV10) + } else if (strcmp(port, "XA") == 0) { + o->uart_id = PYB_UART_XA; + } else if (strcmp(port, "XB") == 0) { + o->uart_id = PYB_UART_XB; + } else if (strcmp(port, "YA") == 0) { + o->uart_id = PYB_UART_YA; + } else if (strcmp(port, "YB") == 0) { + o->uart_id = PYB_UART_YB; +#endif + } else { + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "UART port %s does not exist", port)); + } + } else { + o->uart_id = mp_obj_get_int(args[0]); + } +#endif + + if (n_args > 1 || n_kw > 0) { + // start the peripheral + mp_map_t kw_args; + mp_map_init_fixed_table(&kw_args, n_kw, args + n_args); + pyb_uart_init_helper(o, n_args - 1, args + 1, &kw_args); + } + + return o; +} + +STATIC mp_obj_t pyb_uart_init(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) { + return pyb_uart_init_helper(args[0], n_args - 1, args + 1, kw_args); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_uart_init_obj, 1, pyb_uart_init); + +/// \method deinit() +/// Turn off the UART bus. +STATIC mp_obj_t pyb_uart_deinit(mp_obj_t self_in) { + pyb_uart_obj_t *self = self_in; + uart_deinit(self); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_uart_deinit_obj, pyb_uart_deinit); + +/// \method any() +/// Return `True` if any characters waiting, else `False`. +STATIC mp_obj_t pyb_uart_any(mp_obj_t self_in) { + pyb_uart_obj_t *self = self_in; + if (uart_rx_any(self)) { + return mp_const_true; + } else { + return mp_const_false; + } +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_uart_any_obj, pyb_uart_any); + +/// \method send(send, *, timeout=5000) +/// Send data on the bus: +/// +/// - `send` is the data to send (an integer to send, or a buffer object). +/// - `timeout` is the timeout in milliseconds to wait for the send. +/// +/// Return value: `None`. +STATIC const mp_arg_t pyb_uart_send_args[] = { + { MP_QSTR_send, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, + { MP_QSTR_timeout, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 5000} }, +}; +#define PYB_UART_SEND_NUM_ARGS ARRAY_SIZE(pyb_uart_send_args) + +STATIC mp_obj_t pyb_uart_send(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) { + // TODO assumes transmission size is 8-bits wide + + pyb_uart_obj_t *self = args[0]; + + // parse args + mp_arg_val_t vals[PYB_UART_SEND_NUM_ARGS]; + mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_UART_SEND_NUM_ARGS, pyb_uart_send_args, vals); + +#if 0 + // get the buffer to send from + mp_buffer_info_t bufinfo; + uint8_t data[1]; + pyb_buf_get_for_send(vals[0].u_obj, &bufinfo, data); + + // send the data + HAL_StatusTypeDef status = HAL_UART_Transmit(&self->uart, bufinfo.buf, bufinfo.len, vals[1].u_int); + + if (status != HAL_OK) { + // TODO really need a HardwareError object, or something + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_UART_Transmit failed with code %d", status)); + } +#else + (void)self; +#endif + + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_uart_send_obj, 1, pyb_uart_send); + +/// \method recv(recv, *, timeout=5000) +/// +/// Receive data on the bus: +/// +/// - `recv` can be an integer, which is the number of bytes to receive, +/// or a mutable buffer, which will be filled with received bytes. +/// - `timeout` is the timeout in milliseconds to wait for the receive. +/// +/// Return value: if `recv` is an integer then a new buffer of the bytes received, +/// otherwise the same buffer that was passed in to `recv`. +STATIC const mp_arg_t pyb_uart_recv_args[] = { + { MP_QSTR_recv, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, + { MP_QSTR_timeout, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 5000} }, +}; +#define PYB_UART_RECV_NUM_ARGS ARRAY_SIZE(pyb_uart_recv_args) + +STATIC mp_obj_t pyb_uart_recv(uint n_args, const mp_obj_t *args, mp_map_t *kw_args) { + // TODO assumes transmission size is 8-bits wide + + pyb_uart_obj_t *self = args[0]; + +#if 0 + // parse args + mp_arg_val_t vals[PYB_UART_RECV_NUM_ARGS]; + mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_UART_RECV_NUM_ARGS, pyb_uart_recv_args, vals); + + // get the buffer to receive into + mp_buffer_info_t bufinfo; + mp_obj_t o_ret = pyb_buf_get_for_recv(vals[0].u_obj, &bufinfo); + + // receive the data + HAL_StatusTypeDef status = HAL_UART_Receive(&self->uart, bufinfo.buf, bufinfo.len, vals[1].u_int); + + if (status != HAL_OK) { + // TODO really need a HardwareError object, or something + nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_Exception, "HAL_UART_Receive failed with code %d", status)); + } + + // return the received data + if (o_ret == MP_OBJ_NULL) { + return vals[0].u_obj; + } else { + return mp_obj_str_builder_end(o_ret); + } +#else + (void)self; + return mp_const_none; +#endif +} +STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_uart_recv_obj, 1, pyb_uart_recv); + +STATIC const mp_map_elem_t pyb_uart_locals_dict_table[] = { + // instance methods + { MP_OBJ_NEW_QSTR(MP_QSTR_init), (mp_obj_t)&pyb_uart_init_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_deinit), (mp_obj_t)&pyb_uart_deinit_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_any), (mp_obj_t)&pyb_uart_any_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_send), (mp_obj_t)&pyb_uart_send_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_recv), (mp_obj_t)&pyb_uart_recv_obj }, +}; + +STATIC MP_DEFINE_CONST_DICT(pyb_uart_locals_dict, pyb_uart_locals_dict_table); + +const mp_obj_type_t pyb_uart_type = { + { &mp_type_type }, + .name = MP_QSTR_UART, + .print = pyb_uart_print, + .make_new = pyb_uart_make_new, + .locals_dict = (mp_obj_t)&pyb_uart_locals_dict, +}; diff --git a/teensy/usart.c b/teensy/usart.c deleted file mode 100644 index a700e8e379..0000000000 --- a/teensy/usart.c +++ /dev/null @@ -1,38 +0,0 @@ -#include "misc.h" -#include "mpconfig.h" -#include "qstr.h" -#include "obj.h" -#include "../stm/usart.h" - -pyb_usart_t pyb_usart_global_debug = PYB_USART_NONE; - -void usart_init(pyb_usart_t usart_id, uint32_t baudrate) -{ - (void)usart_id; - (void)baudrate; -} - -bool usart_rx_any(pyb_usart_t usart_id) -{ - (void)usart_id; - return false; -} - -int usart_rx_char(pyb_usart_t usart_id) -{ - (void)usart_id; - return 0; -} - -void usart_tx_str(pyb_usart_t usart_id, const char *str) -{ - (void)usart_id; - (void)str; -} - -void usart_tx_strn_cooked(pyb_usart_t usart_id, const char *str, int len) -{ - (void)usart_id; - (void)str; - (void)len; -} diff --git a/teensy/usb.c b/teensy/usb.c index a045a2ed69..ab4731f27b 100644 --- a/teensy/usb.c +++ b/teensy/usb.c @@ -13,8 +13,13 @@ int usb_vcp_is_enabled(void) return 1; } -int usb_vcp_rx_any(void) -{ +void usb_vcp_set_interrupt_char(int c) { + // The teensy 3.1 usb stack doesn't currently have the notion of generating + // an exception when a certain character is received. That just means that + // you can't press Control-C and get your python script to stop. +} + +int usb_vcp_rx_num(void) { return usb_serial_available(); }