2015-01-13 01:17:47 +00:00
|
|
|
#include <stdint.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
2022-05-25 03:04:27 +01:00
|
|
|
#include "py/builtin.h"
|
2015-01-13 01:17:47 +00:00
|
|
|
#include "py/compile.h"
|
|
|
|
#include "py/runtime.h"
|
|
|
|
#include "py/repl.h"
|
2015-01-13 02:02:56 +00:00
|
|
|
#include "py/gc.h"
|
2017-03-14 00:25:21 +00:00
|
|
|
#include "py/mperrno.h"
|
2021-07-09 05:19:15 +01:00
|
|
|
#include "shared/runtime/pyexec.h"
|
2015-01-13 01:17:47 +00:00
|
|
|
|
2017-02-27 04:09:15 +00:00
|
|
|
#if MICROPY_ENABLE_COMPILER
|
2015-06-22 22:38:47 +01:00
|
|
|
void do_str(const char *src, mp_parse_input_kind_t input_kind) {
|
2015-01-13 01:17:47 +00:00
|
|
|
nlr_buf_t nlr;
|
|
|
|
if (nlr_push(&nlr) == 0) {
|
2017-03-14 00:25:21 +00:00
|
|
|
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
|
2015-02-07 18:33:58 +00:00
|
|
|
qstr source_name = lex->source_name;
|
2015-09-23 10:50:43 +01:00
|
|
|
mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
|
2019-08-23 02:20:50 +01:00
|
|
|
mp_obj_t module_fun = mp_compile(&parse_tree, source_name, true);
|
2015-01-13 01:17:47 +00:00
|
|
|
mp_call_function_0(module_fun);
|
|
|
|
nlr_pop();
|
|
|
|
} else {
|
|
|
|
// uncaught exception
|
2015-04-09 23:56:15 +01:00
|
|
|
mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
|
2015-01-13 01:17:47 +00:00
|
|
|
}
|
|
|
|
}
|
2017-02-27 04:09:15 +00:00
|
|
|
#endif
|
2015-01-13 01:17:47 +00:00
|
|
|
|
2015-01-13 02:02:56 +00:00
|
|
|
static char *stack_top;
|
2018-05-20 19:05:12 +01:00
|
|
|
#if MICROPY_ENABLE_GC
|
2023-02-02 15:47:40 +00:00
|
|
|
static char heap[MICROPY_HEAP_SIZE];
|
2018-05-20 19:05:12 +01:00
|
|
|
#endif
|
2015-01-13 02:02:56 +00:00
|
|
|
|
2015-01-13 01:17:47 +00:00
|
|
|
int main(int argc, char **argv) {
|
2015-01-13 02:02:56 +00:00
|
|
|
int stack_dummy;
|
|
|
|
stack_top = (char *)&stack_dummy;
|
|
|
|
|
2015-01-15 23:53:33 +00:00
|
|
|
#if MICROPY_ENABLE_GC
|
2015-01-13 02:02:56 +00:00
|
|
|
gc_init(heap, heap + sizeof(heap));
|
2015-01-15 23:53:33 +00:00
|
|
|
#endif
|
2015-01-13 01:17:47 +00:00
|
|
|
mp_init();
|
2017-02-27 04:09:15 +00:00
|
|
|
#if MICROPY_ENABLE_COMPILER
|
2015-01-15 23:38:10 +00:00
|
|
|
#if MICROPY_REPL_EVENT_DRIVEN
|
2015-05-06 00:02:58 +01:00
|
|
|
pyexec_event_repl_init();
|
2015-01-15 23:38:10 +00:00
|
|
|
for (;;) {
|
2015-05-06 00:02:58 +01:00
|
|
|
int c = mp_hal_stdin_rx_chr();
|
|
|
|
if (pyexec_event_repl_process_char(c)) {
|
2015-01-15 23:38:10 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#else
|
2015-01-13 02:02:56 +00:00
|
|
|
pyexec_friendly_repl();
|
2015-01-15 23:38:10 +00:00
|
|
|
#endif
|
2015-06-22 22:38:47 +01:00
|
|
|
// do_str("print('hello world!', list(x+1 for x in range(10)), end='eol\\n')", MP_PARSE_SINGLE_INPUT);
|
|
|
|
// do_str("for i in range(10):\r\n print(i)", MP_PARSE_FILE_INPUT);
|
2017-02-27 04:09:15 +00:00
|
|
|
#else
|
2023-04-04 20:05:45 +01:00
|
|
|
pyexec_frozen_module("frozentest.py", false);
|
2017-02-27 04:09:15 +00:00
|
|
|
#endif
|
2015-01-13 01:17:47 +00:00
|
|
|
mp_deinit();
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2020-05-29 22:35:19 +01:00
|
|
|
#if MICROPY_ENABLE_GC
|
2015-01-13 01:17:47 +00:00
|
|
|
void gc_collect(void) {
|
2015-01-13 02:02:56 +00:00
|
|
|
// WARNING: This gc_collect implementation doesn't try to get root
|
|
|
|
// pointers from CPU registers, and thus may function incorrectly.
|
|
|
|
void *dummy;
|
|
|
|
gc_collect_start();
|
|
|
|
gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
|
|
|
|
gc_collect_end();
|
2023-03-09 02:50:21 +00:00
|
|
|
gc_dump_info(&mp_plat_print);
|
2015-01-13 01:17:47 +00:00
|
|
|
}
|
2020-05-29 22:35:19 +01:00
|
|
|
#endif
|
2015-01-13 01:17:47 +00:00
|
|
|
|
|
|
|
mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
|
2017-03-14 00:25:21 +00:00
|
|
|
mp_raise_OSError(MP_ENOENT);
|
2015-01-13 01:17:47 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
mp_import_stat_t mp_import_stat(const char *path) {
|
|
|
|
return MP_IMPORT_STAT_NO_EXIST;
|
|
|
|
}
|
|
|
|
|
|
|
|
void nlr_jump_fail(void *val) {
|
2017-02-16 06:23:06 +00:00
|
|
|
while (1) {
|
|
|
|
;
|
2020-02-27 04:36:53 +00:00
|
|
|
}
|
2015-01-13 01:17:47 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void NORETURN __fatal_error(const char *msg) {
|
|
|
|
while (1) {
|
|
|
|
;
|
2020-02-27 04:36:53 +00:00
|
|
|
}
|
2015-01-13 01:17:47 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#ifndef NDEBUG
|
|
|
|
void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
|
|
|
|
printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
|
|
|
|
__fatal_error("Assertion failed");
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2016-01-07 17:43:07 +00:00
|
|
|
#if MICROPY_MIN_USE_CORTEX_CPU
|
|
|
|
|
|
|
|
// this is a minimal IRQ and reset framework for any Cortex-M CPU
|
|
|
|
|
|
|
|
extern uint32_t _estack, _sidata, _sdata, _edata, _sbss, _ebss;
|
|
|
|
|
|
|
|
void Reset_Handler(void) __attribute__((naked));
|
|
|
|
void Reset_Handler(void) {
|
|
|
|
// set stack pointer
|
2017-03-23 04:41:38 +00:00
|
|
|
__asm volatile ("ldr sp, =_estack");
|
2016-01-07 17:43:07 +00:00
|
|
|
// copy .data section from flash to RAM
|
|
|
|
for (uint32_t *src = &_sidata, *dest = &_sdata; dest < &_edata;) {
|
|
|
|
*dest++ = *src++;
|
|
|
|
}
|
|
|
|
// zero out .bss section
|
|
|
|
for (uint32_t *dest = &_sbss; dest < &_ebss;) {
|
|
|
|
*dest++ = 0;
|
|
|
|
}
|
|
|
|
// jump to board initialisation
|
|
|
|
void _start(void);
|
|
|
|
_start();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Default_Handler(void) {
|
|
|
|
for (;;) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-04-18 01:17:24 +01:00
|
|
|
const uint32_t isr_vector[] __attribute__((section(".isr_vector"))) = {
|
2016-01-07 17:43:07 +00:00
|
|
|
(uint32_t)&_estack,
|
|
|
|
(uint32_t)&Reset_Handler,
|
|
|
|
(uint32_t)&Default_Handler, // NMI_Handler
|
|
|
|
(uint32_t)&Default_Handler, // HardFault_Handler
|
|
|
|
(uint32_t)&Default_Handler, // MemManage_Handler
|
|
|
|
(uint32_t)&Default_Handler, // BusFault_Handler
|
|
|
|
(uint32_t)&Default_Handler, // UsageFault_Handler
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
(uint32_t)&Default_Handler, // SVC_Handler
|
|
|
|
(uint32_t)&Default_Handler, // DebugMon_Handler
|
|
|
|
0,
|
|
|
|
(uint32_t)&Default_Handler, // PendSV_Handler
|
|
|
|
(uint32_t)&Default_Handler, // SysTick_Handler
|
|
|
|
};
|
|
|
|
|
|
|
|
void _start(void) {
|
|
|
|
// when we get here: stack is initialised, bss is clear, data is copied
|
|
|
|
|
|
|
|
// SCB->CCR: enable 8-byte stack alignment for IRQ handlers, in accord with EABI
|
|
|
|
*((volatile uint32_t *)0xe000ed14) |= 1 << 9;
|
|
|
|
|
|
|
|
// initialise the cpu and peripherals
|
|
|
|
#if MICROPY_MIN_USE_STM32_MCU
|
|
|
|
void stm32_init(void);
|
|
|
|
stm32_init();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
// now that we have a basic system up and running we can call main
|
|
|
|
main(0, NULL);
|
|
|
|
|
|
|
|
// we must not return
|
|
|
|
for (;;) {
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if MICROPY_MIN_USE_STM32_MCU
|
|
|
|
|
|
|
|
// this is minimal set-up code for an STM32 MCU
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
volatile uint32_t CR;
|
|
|
|
volatile uint32_t PLLCFGR;
|
|
|
|
volatile uint32_t CFGR;
|
|
|
|
volatile uint32_t CIR;
|
|
|
|
uint32_t _1[8];
|
|
|
|
volatile uint32_t AHB1ENR;
|
|
|
|
volatile uint32_t AHB2ENR;
|
|
|
|
volatile uint32_t AHB3ENR;
|
|
|
|
uint32_t _2;
|
|
|
|
volatile uint32_t APB1ENR;
|
|
|
|
volatile uint32_t APB2ENR;
|
|
|
|
} periph_rcc_t;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
volatile uint32_t MODER;
|
|
|
|
volatile uint32_t OTYPER;
|
|
|
|
volatile uint32_t OSPEEDR;
|
|
|
|
volatile uint32_t PUPDR;
|
|
|
|
volatile uint32_t IDR;
|
|
|
|
volatile uint32_t ODR;
|
|
|
|
volatile uint16_t BSRRL;
|
|
|
|
volatile uint16_t BSRRH;
|
|
|
|
volatile uint32_t LCKR;
|
|
|
|
volatile uint32_t AFR[2];
|
|
|
|
} periph_gpio_t;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
volatile uint32_t SR;
|
|
|
|
volatile uint32_t DR;
|
|
|
|
volatile uint32_t BRR;
|
|
|
|
volatile uint32_t CR1;
|
|
|
|
} periph_uart_t;
|
|
|
|
|
|
|
|
#define USART1 ((periph_uart_t *)0x40011000)
|
|
|
|
#define GPIOA ((periph_gpio_t *)0x40020000)
|
|
|
|
#define GPIOB ((periph_gpio_t *)0x40020400)
|
|
|
|
#define RCC ((periph_rcc_t *)0x40023800)
|
|
|
|
|
|
|
|
// simple GPIO interface
|
|
|
|
#define GPIO_MODE_IN (0)
|
|
|
|
#define GPIO_MODE_OUT (1)
|
|
|
|
#define GPIO_MODE_ALT (2)
|
|
|
|
#define GPIO_PULL_NONE (0)
|
|
|
|
#define GPIO_PULL_UP (0)
|
|
|
|
#define GPIO_PULL_DOWN (1)
|
|
|
|
void gpio_init(periph_gpio_t *gpio, int pin, int mode, int pull, int alt) {
|
|
|
|
gpio->MODER = (gpio->MODER & ~(3 << (2 * pin))) | (mode << (2 * pin));
|
|
|
|
// OTYPER is left as default push-pull
|
|
|
|
// OSPEEDR is left as default low speed
|
|
|
|
gpio->PUPDR = (gpio->PUPDR & ~(3 << (2 * pin))) | (pull << (2 * pin));
|
|
|
|
gpio->AFR[pin >> 3] = (gpio->AFR[pin >> 3] & ~(15 << (4 * (pin & 7)))) | (alt << (4 * (pin & 7)));
|
|
|
|
}
|
|
|
|
#define gpio_get(gpio, pin) ((gpio->IDR >> (pin)) & 1)
|
|
|
|
#define gpio_set(gpio, pin, value) do { gpio->ODR = (gpio->ODR & ~(1 << (pin))) | (value << pin); } while (0)
|
|
|
|
#define gpio_low(gpio, pin) do { gpio->BSRRH = (1 << (pin)); } while (0)
|
|
|
|
#define gpio_high(gpio, pin) do { gpio->BSRRL = (1 << (pin)); } while (0)
|
|
|
|
|
|
|
|
void stm32_init(void) {
|
|
|
|
// basic MCU config
|
|
|
|
RCC->CR |= (uint32_t)0x00000001; // set HSION
|
|
|
|
RCC->CFGR = 0x00000000; // reset all
|
|
|
|
RCC->CR &= (uint32_t)0xfef6ffff; // reset HSEON, CSSON, PLLON
|
|
|
|
RCC->PLLCFGR = 0x24003010; // reset PLLCFGR
|
|
|
|
RCC->CR &= (uint32_t)0xfffbffff; // reset HSEBYP
|
|
|
|
RCC->CIR = 0x00000000; // disable IRQs
|
|
|
|
|
|
|
|
// leave the clock as-is (internal 16MHz)
|
|
|
|
|
|
|
|
// enable GPIO clocks
|
|
|
|
RCC->AHB1ENR |= 0x00000003; // GPIOAEN, GPIOBEN
|
|
|
|
|
|
|
|
// turn on an LED! (on pyboard it's the red one)
|
|
|
|
gpio_init(GPIOA, 13, GPIO_MODE_OUT, GPIO_PULL_NONE, 0);
|
|
|
|
gpio_high(GPIOA, 13);
|
|
|
|
|
|
|
|
// enable UART1 at 9600 baud (TX=B6, RX=B7)
|
|
|
|
gpio_init(GPIOB, 6, GPIO_MODE_ALT, GPIO_PULL_NONE, 7);
|
|
|
|
gpio_init(GPIOB, 7, GPIO_MODE_ALT, GPIO_PULL_NONE, 7);
|
|
|
|
RCC->APB2ENR |= 0x00000010; // USART1EN
|
|
|
|
USART1->BRR = (104 << 4) | 3; // 16MHz/(16*104.1875) = 9598 baud
|
|
|
|
USART1->CR1 = 0x0000200c; // USART enable, tx enable, rx enable
|
|
|
|
}
|
|
|
|
|
2015-01-13 02:02:56 +00:00
|
|
|
#endif
|