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authorSven Wegener <sven.wegener@stealer.net>2014-05-18 11:56:21 +0200
committerSven Wegener <sven.wegener@stealer.net>2014-05-18 12:51:21 +0200
commit7ae8e4b67919d15d18bdd28b4ffa08d7e30ca506 (patch)
tree1ea646e0f5bcb62067c588d5ea993eb770ec4523 /stmhal/modpyb.c
parent5cdff5fa6139d7f15e81b562db6874e16ad24a99 (diff)
downloadmicropython-7ae8e4b67919d15d18bdd28b4ffa08d7e30ca506.tar.gz
micropython-7ae8e4b67919d15d18bdd28b4ffa08d7e30ca506.zip
stmhal: Activate bootloader with pyb.bootloader()
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Diffstat (limited to 'stmhal/modpyb.c')
-rw-r--r--stmhal/modpyb.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/stmhal/modpyb.c b/stmhal/modpyb.c
index 81dc921173..d93665e305 100644
--- a/stmhal/modpyb.c
+++ b/stmhal/modpyb.c
@@ -62,6 +62,21 @@
///
/// 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();
+
+ __set_MSP(*((uint32_t*) 0x1fff0000));
+ ((void (*)(void)) *((uint32_t*) 0x1fff0004))();
+
+ 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 +317,7 @@ 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 },