diff options
Diffstat (limited to 'ports/stm32/boardctrl.c')
| -rw-r--r-- | ports/stm32/boardctrl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/ports/stm32/boardctrl.c b/ports/stm32/boardctrl.c index 922f218e92..02a3759991 100644 --- a/ports/stm32/boardctrl.c +++ b/ports/stm32/boardctrl.c @@ -25,9 +25,11 @@ */ #include "py/runtime.h" +#include "py/objstr.h" #include "py/mphal.h" #include "shared/runtime/pyexec.h" #include "boardctrl.h" +#include "powerctrl.h" #include "led.h" #include "usrsw.h" @@ -43,6 +45,26 @@ STATIC void flash_error(int n) { led_state(PYB_LED_GREEN, 0); } +#if MICROPY_HW_USES_BOOTLOADER +void boardctrl_maybe_enter_mboot(size_t n_args, const void *args_in) { + const mp_obj_t *args = args_in; + + if (n_args == 0 || !mp_obj_is_true(args[0])) { + // By default, with no args given, we enter the custom bootloader (mboot) + powerctrl_enter_bootloader(0x70ad0000, MBOOT_VTOR); + } + + if (n_args == 1 && mp_obj_is_str_or_bytes(args[0])) { + // With a string/bytes given, pass its data to the custom bootloader + size_t len; + const char *data = mp_obj_str_get_data(args[0], &len); + void *mboot_region = (void *)*((volatile uint32_t *)MBOOT_VTOR); + memmove(mboot_region, data, len); + powerctrl_enter_bootloader(0x70ad0080, MBOOT_VTOR); + } +} +#endif + #if !MICROPY_HW_USES_BOOTLOADER STATIC uint update_reset_mode(uint reset_mode) { #if MICROPY_HW_HAS_SWITCH |