Implement boot-up commands; run main script after boot.
Damien
parent
9fc7933ff2
commit
94186c8239
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@ -308,7 +308,7 @@ int8_t STORAGE_Write (uint8_t lun,
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while (SD_GetStatus() != SD_TRANSFER_OK);
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#endif
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*/
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//disk_write(0, buf, blk_addr, blk_len);
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disk_write(0, buf, blk_addr, blk_len);
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return (0);
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}
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157
stm/main.c
157
stm/main.c
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@ -16,8 +16,22 @@
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#include "usb.h"
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#include "ff.h"
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static FATFS fatfs0;
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extern uint32_t _heap_start;
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void flash_error(int n) {
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for (int i = 0; i < n; i++) {
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led_state(PYB_LED_R1, 1);
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led_state(PYB_LED_R2, 0);
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sys_tick_delay_ms(250);
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led_state(PYB_LED_R1, 0);
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led_state(PYB_LED_R2, 1);
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sys_tick_delay_ms(250);
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}
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led_state(PYB_LED_R2, 0);
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}
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static void impl02_c_version() {
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int x = 0;
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while (x < 400) {
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@ -58,14 +72,8 @@ int sw_get() {
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void __fatal_error(const char *msg) {
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lcd_print_strn("\nFATAL ERROR:\n", 14);
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lcd_print_strn(msg, strlen(msg));
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for (;;) {
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led_state(PYB_LED_R1, 1);
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led_state(PYB_LED_R2, 0);
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sys_tick_delay_ms(150);
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led_state(PYB_LED_R1, 0);
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led_state(PYB_LED_R2, 1);
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sys_tick_delay_ms(150);
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flash_error(1);
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}
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}
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@ -79,16 +87,27 @@ void __fatal_error(const char *msg) {
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#include "runtime.h"
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#include "repl.h"
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static qstr pyb_config_source_dir = 0;
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static qstr pyb_config_main = 0;
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py_obj_t pyb_source_dir(py_obj_t source_dir) {
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pyb_config_source_dir = py_get_qstr(source_dir);
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return py_const_none;
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}
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py_obj_t pyb_main(py_obj_t main) {
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pyb_config_main = py_get_qstr(main);
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return py_const_none;
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}
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// sync all file systems
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py_obj_t pyb_sync() {
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storage_flush();
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return py_const_none;
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}
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py_obj_t pyb_delay(py_obj_t count) {
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sys_tick_delay_ms(rt_get_int(count));
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sys_tick_delay_ms(py_get_int(count));
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return py_const_none;
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}
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@ -105,8 +124,6 @@ py_obj_t pyb_sw() {
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}
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}
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FATFS fatfs0;
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/*
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void g(uint i) {
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printf("g:%d\n", i);
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@ -185,27 +202,27 @@ static py_obj_t pyb_info() {
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printf("_heap_start=%p\n", &_heap_start);
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}
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// GC info
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{
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gc_info_t info;
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gc_info(&info);
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printf("GC:\n");
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printf(" %lu total\n", info.total);
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printf(" %lu : %lu\n", info.used, info.free);
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printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
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}
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// free space on flash
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{
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DWORD nclst;
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FATFS *fatfs;
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f_getfree("0:", &nclst, &fatfs);
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printf("free=%u\n", (uint)(nclst * fatfs->csize * 512));
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printf("LFS free: %u bytes\n", (uint)(nclst * fatfs->csize * 512));
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}
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return py_const_none;
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}
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/*
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void gc_print_info() {
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gc_info_t info;
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gc_info(&info);
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printf("! %lu total\n", info.total);
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printf("! %lu : %lu\n", info.used, info.free);
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printf("! 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
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}
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*/
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int readline(vstr_t *line, const char *prompt) {
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usb_vcp_send_str(prompt);
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int len = vstr_len(line);
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@ -287,7 +304,46 @@ void do_repl() {
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}
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}
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usb_vcp_send_str("\r\nMicro Python REPL finished\r\n");
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usb_vcp_send_str("\r\n");
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}
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bool do_file(const char *filename) {
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py_lexer_file_buf_t fb;
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py_lexer_t *lex = py_lexer_new_from_file(filename, &fb);
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if (lex == NULL) {
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printf("could not open file '%s' for reading\n", filename);
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return false;
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}
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py_parse_node_t pn = py_parse(lex, PY_PARSE_FILE_INPUT);
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py_lexer_free(lex);
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if (pn == PY_PARSE_NODE_NULL) {
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return false;
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}
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bool comp_ok = py_compile(pn, false);
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if (!comp_ok) {
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return false;
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}
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py_obj_t module_fun = rt_make_function_from_id(1);
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if (module_fun == py_const_none) {
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return false;
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}
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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rt_call_function_0(module_fun);
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nlr_pop();
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return true;
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} else {
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// uncaught exception
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py_obj_print((py_obj_t)nlr.ret_val);
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printf("\n");
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return false;
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}
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}
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#define RAM_START (0x20000000) // fixed for chip
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@ -356,6 +412,7 @@ soft_reset:
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rt_store_attr(m, qstr_from_str_static("info"), rt_make_function_0(pyb_info));
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rt_store_attr(m, qstr_from_str_static("source_dir"), rt_make_function_1(pyb_source_dir));
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rt_store_attr(m, qstr_from_str_static("main"), rt_make_function_1(pyb_main));
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rt_store_attr(m, qstr_from_str_static("sync"), rt_make_function_0(pyb_sync));
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rt_store_attr(m, qstr_from_str_static("gc"), rt_make_function_0(pyb_gc));
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rt_store_attr(m, qstr_from_str_static("delay"), rt_make_function_1(pyb_delay));
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rt_store_attr(m, qstr_from_str_static("led"), rt_make_function_1(pyb_led));
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@ -426,38 +483,38 @@ soft_reset:
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}
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}
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// run /boot.py
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if (!do_file("0:/boot.py")) {
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flash_error(4);
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}
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// USB
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usb_init();
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// run /boot.py
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if (1) {
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py_lexer_file_buf_t fb;
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py_lexer_t *lex = py_lexer_new_from_file("0:/boot.py", &fb);
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py_parse_node_t pn = py_parse(lex, PY_PARSE_FILE_INPUT);
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py_lexer_free(lex);
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if (pn != PY_PARSE_NODE_NULL) {
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bool comp_ok = py_compile(pn, true);
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if (comp_ok) {
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py_obj_t module_fun = rt_make_function_from_id(1);
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if (module_fun != py_const_none) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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rt_call_function_0(module_fun);
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nlr_pop();
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} else {
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// uncaught exception
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py_obj_print((py_obj_t)nlr.ret_val);
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printf("\n");
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}
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}
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}
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}
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}
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// turn boot-up LED off
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led_state(PYB_LED_G1, 0);
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// run main script
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{
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vstr_t *vstr = vstr_new();
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vstr_add_str(vstr, "0:/");
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if (pyb_config_source_dir == 0) {
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vstr_add_str(vstr, "src");
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} else {
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vstr_add_str(vstr, qstr_str(pyb_config_source_dir));
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}
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vstr_add_char(vstr, '/');
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if (pyb_config_main == 0) {
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vstr_add_str(vstr, "main.py");
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} else {
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vstr_add_str(vstr, qstr_str(pyb_config_main));
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}
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if (!do_file(vstr_str(vstr))) {
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flash_error(3);
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}
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vstr_free(vstr);
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}
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//printf("init;al=%u\n", m_get_total_bytes_allocated()); // 1600, due to qstr_init
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//sys_tick_delay_ms(1000);
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@ -676,5 +733,9 @@ soft_reset:
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//sdio_init();
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}
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printf("PYB: sync filesystems\n");
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pyb_sync();
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printf("PYB: soft reboot\n");
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goto soft_reset;
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}
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