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Merge pull request #618 from swegener/jump-to-bootloader

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Jump to bootloader
This commit is contained in:
Damien George 2014-05-19 18:13:34 +01:00
commit 404f7cf902
2 changed files with 18 additions and 0 deletions
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17
stmhal/modpyb.c
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@ -62,6 +62,22 @@
///
/// The `pyb` module contains specific functions related to the pyboard.
/// \function bootloader()
/// Activate the bootloader without BOOT* pins.
STATIC NORETURN mp_obj_t pyb_bootloader(uint n_args, const mp_obj_t *args) {
storage_flush();
HAL_RCC_DeInit();
HAL_DeInit();
__HAL_REMAPMEMORY_SYSTEMFLASH();
__set_MSP(*((uint32_t*) 0x00000000));
((void (*)(void)) *((uint32_t*) 0x00000004))();
while (1);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_bootloader_obj, 0, 1, pyb_bootloader);
/// \function info([dump_alloc_table])
/// Print out lots of information about the board.
STATIC mp_obj_t pyb_info(uint n_args, const mp_obj_t *args) {
@ -302,6 +318,7 @@ MP_DECLARE_CONST_FUN_OBJ(pyb_usb_mode_obj); // defined in main.c
STATIC const mp_map_elem_t pyb_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_pyb) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_bootloader), (mp_obj_t)&pyb_bootloader_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&pyb_info_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_unique_id), (mp_obj_t)&pyb_unique_id_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_freq), (mp_obj_t)&pyb_freq_obj },

1
stmhal/qstrdefsport.h
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@ -29,6 +29,7 @@
Q(help)
Q(pyb)
Q(unique_id)
Q(bootloader)
Q(info)
Q(sd_test)
Q(present)