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Implement boot-up commands; run main script after boot.

This commit is contained in:
Damien 2013-10-23 00:02:06 +01:00
parent 9fc7933ff2
commit 94186c8239
2 changed files with 110 additions and 49 deletions
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2
stm/lib/usbd_storage_msd.c
View File

@ -308,7 +308,7 @@ int8_t STORAGE_Write (uint8_t lun,
while (SD_GetStatus() != SD_TRANSFER_OK);
#endif
*/
//disk_write(0, buf, blk_addr, blk_len);
disk_write(0, buf, blk_addr, blk_len);
return (0);
}

157
stm/main.c
View File

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