diff options
| -rw-r--r-- | ports/esp32/modmachine.c | 8 | ||||
| -rw-r--r-- | ports/esp32/mpconfigport.h | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/ports/esp32/modmachine.c b/ports/esp32/modmachine.c index a61d381e0..759455a59 100644 --- a/ports/esp32/modmachine.c +++ b/ports/esp32/modmachine.c @@ -220,6 +220,14 @@ static mp_int_t mp_machine_reset_cause(void) { } } +#if MICROPY_ESP32_USE_BOOTLOADER_RTC +#include "soc/rtc_cntl_reg.h" +NORETURN static void machine_bootloader_rtc(void) { + REG_WRITE(RTC_CNTL_OPTION1_REG, RTC_CNTL_FORCE_DOWNLOAD_BOOT); + esp_restart(); +} +#endif + #ifdef MICROPY_BOARD_ENTER_BOOTLOADER NORETURN void mp_machine_bootloader(size_t n_args, const mp_obj_t *args) { MICROPY_BOARD_ENTER_BOOTLOADER(n_args, args); diff --git a/ports/esp32/mpconfigport.h b/ports/esp32/mpconfigport.h index 0474b7eaf..f004c78b0 100644 --- a/ports/esp32/mpconfigport.h +++ b/ports/esp32/mpconfigport.h @@ -268,6 +268,14 @@ typedef long mp_off_t; #define MICROPY_HW_ENABLE_MDNS_RESPONDER (1) #endif +#ifndef MICROPY_BOARD_ENTER_BOOTLOADER +// RTC has a register to trigger bootloader on these targets +#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 +#define MICROPY_ESP32_USE_BOOTLOADER_RTC (1) +#define MICROPY_BOARD_ENTER_BOOTLOADER(nargs, args) machine_bootloader_rtc() +#endif +#endif + #ifdef MICROPY_BOARD_ENTER_BOOTLOADER #define MICROPY_PY_MACHINE_BOOTLOADER (1) #else |