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stm32/modmachine: Factor out mboot enter code to a function.

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Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2022-06-17 13:57:47 +10:00
parent c5d26ee5e7
commit d8e7ecd231
3 changed files with 27 additions and 17 deletions
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22
ports/stm32/boardctrl.c
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@@ -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