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trezor-firmware/micropython/firmware/main.c
2017-03-21 02:09:17 +01:00

130 lines
3.2 KiB
C

#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "py/nlr.h"
#include "py/compile.h"
#include "py/runtime.h"
#include "py/stackctrl.h"
#include "py/repl.h"
#include "py/gc.h"
#include "lib/utils/pyexec.h"
#include "gccollect.h"
#include "pendsv.h"
#include "common.h"
#include "display.h"
#include "flash.h"
#include "rng.h"
#include "sdcard.h"
#include "touch.h"
#include "usb.h"
int main(void) {
// STM32F4xx HAL library initialization:
// - configure the Flash prefetch, instruction and data caches
// - configure the Systick to generate an interrupt each 1 msec
// - set NVIC Group Priority to 4
// - global MSP (MCU Support Package) initialization
HAL_Init();
// Set the system clock to be HSE
SystemClock_Config();
// Enable GPIO clocks
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
// Enable the CCM RAM
__HAL_RCC_CCMDATARAMEN_CLK_ENABLE();
// Clear the reset flags
PWR->CR |= PWR_CR_CSBF;
RCC->CSR |= RCC_CSR_RMVF;
// Enable CPU ticks
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk; // Enable DWT
DWT->CYCCNT = 0; // Reset Cycle Count Register
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk; // Enable Cycle Count Register
pendsv_init();
if (0 != display_init()) {
__fatal_error("display_init failed");
}
if (0 != flash_init()) {
__fatal_error("flash_init failed");
}
if (0 != rng_init()) {
__fatal_error("rng_init failed");
}
if (0 != sdcard_init()) {
__fatal_error("sdcard_init failed");
}
if (0 != touch_init()) {
__fatal_error("touch_init failed");
}
if (0 != usb_init()) {
__fatal_error("usb_init failed");
}
for (;;) {
// Stack limit should be less than real stack size, so we have a chance
// to recover from limit hit.
mp_stack_set_top(&_estack);
mp_stack_set_limit((char*)&_estack - (char*)&_heap_end - 1024);
// GC init
gc_init(&_heap_start, &_heap_end);
// Interpreter init
mp_init();
mp_obj_list_init(mp_sys_argv, 0);
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
// Run the main script
pyexec_frozen_module("main.py");
// Clean up
mp_deinit();
}
return 0;
}
#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
// Micropython file I/O stubs
mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
return NULL;
}
mp_import_stat_t mp_import_stat(const char *path) {
return MP_IMPORT_STAT_NO_EXIST;
}
mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
int mp_reader_new_file(mp_reader_t *reader, const char *filename) {
return 2; // assume error was "file not found"
}