diff options
Diffstat (limited to 'stmhal/modpyb.c')
| -rw-r--r-- | stmhal/modpyb.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/stmhal/modpyb.c b/stmhal/modpyb.c index 81dc921173..7ec25038bf 100644 --- a/stmhal/modpyb.c +++ b/stmhal/modpyb.c @@ -62,6 +62,23 @@ /// /// 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(void) { + pyb_usb_dev_stop(); + 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_0(pyb_bootloader_obj, 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 +319,7 @@ 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 }, |