mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-16 04:29:08 +00:00
130 lines
3.2 KiB
C
130 lines
3.2 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "py/nlr.h"
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#include "py/compile.h"
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#include "py/runtime.h"
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#include "py/stackctrl.h"
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#include "py/repl.h"
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#include "py/gc.h"
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#include "lib/utils/pyexec.h"
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#include "gccollect.h"
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#include "pendsv.h"
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#include "common.h"
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#include "display.h"
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#include "flash.h"
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#include "rng.h"
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#include "sdcard.h"
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#include "touch.h"
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#include "usb.h"
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int main(void) {
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// STM32F4xx HAL library initialization:
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// - configure the Flash prefetch, instruction and data caches
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// - configure the Systick to generate an interrupt each 1 msec
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// - set NVIC Group Priority to 4
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// - global MSP (MCU Support Package) initialization
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HAL_Init();
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// Set the system clock to be HSE
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SystemClock_Config();
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// Enable GPIO clocks
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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// Enable the CCM RAM
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__HAL_RCC_CCMDATARAMEN_CLK_ENABLE();
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// Clear the reset flags
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PWR->CR |= PWR_CR_CSBF;
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RCC->CSR |= RCC_CSR_RMVF;
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// Enable CPU ticks
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CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk; // Enable DWT
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DWT->CYCCNT = 0; // Reset Cycle Count Register
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DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk; // Enable Cycle Count Register
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pendsv_init();
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if (0 != display_init()) {
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__fatal_error("display_init failed");
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}
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if (0 != flash_init()) {
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__fatal_error("flash_init failed");
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}
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if (0 != rng_init()) {
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__fatal_error("rng_init failed");
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}
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if (0 != sdcard_init()) {
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__fatal_error("sdcard_init failed");
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}
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if (0 != touch_init()) {
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__fatal_error("touch_init failed");
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}
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if (0 != usb_init()) {
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__fatal_error("usb_init failed");
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}
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for (;;) {
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// Stack limit should be less than real stack size, so we have a chance
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// to recover from limit hit.
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mp_stack_set_top(&_estack);
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mp_stack_set_limit((char*)&_estack - (char*)&_heap_end - 1024);
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// GC init
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gc_init(&_heap_start, &_heap_end);
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// Interpreter init
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mp_init();
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mp_obj_list_init(mp_sys_argv, 0);
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mp_obj_list_init(mp_sys_path, 0);
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mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
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// Run the main script
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pyexec_frozen_module("main.py");
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// Clean up
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mp_deinit();
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}
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return 0;
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}
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#ifndef NDEBUG
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void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
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__fatal_error("Assertion failed");
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}
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#endif
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// Micropython file I/O stubs
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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return NULL;
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}
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mp_import_stat_t mp_import_stat(const char *path) {
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return MP_IMPORT_STAT_NO_EXIST;
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}
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mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
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int mp_reader_new_file(mp_reader_t *reader, const char *filename) {
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return 2; // assume error was "file not found"
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}
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