kopia lustrzana https://github.com/micropython/micropython
esp32/modmachine: Support bootloader on ESP32-S2/S3/C2/C3.
On these targets it's possible to enter the bootloader by setting a bit in an RTC register before resetting. Structure it in a way that a board can still provide a custom bootloader handler. The handler here will be the default if none is provided, for any board based on the supported targets. Signed-off-by: Trent Piepho <tpiepho@gmail.com>pull/14004/head
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9fc450689b
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@ -220,6 +220,14 @@ static mp_int_t mp_machine_reset_cause(void) {
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}
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}
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#if MICROPY_ESP32_USE_BOOTLOADER_RTC
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#include "soc/rtc_cntl_reg.h"
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NORETURN static void machine_bootloader_rtc(void) {
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REG_WRITE(RTC_CNTL_OPTION1_REG, RTC_CNTL_FORCE_DOWNLOAD_BOOT);
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esp_restart();
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}
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#endif
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#ifdef MICROPY_BOARD_ENTER_BOOTLOADER
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NORETURN void mp_machine_bootloader(size_t n_args, const mp_obj_t *args) {
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MICROPY_BOARD_ENTER_BOOTLOADER(n_args, args);
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@ -268,6 +268,14 @@ typedef long mp_off_t;
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#define MICROPY_HW_ENABLE_MDNS_RESPONDER (1)
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#endif
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#ifndef MICROPY_BOARD_ENTER_BOOTLOADER
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// RTC has a register to trigger bootloader on these targets
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#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3
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#define MICROPY_ESP32_USE_BOOTLOADER_RTC (1)
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#define MICROPY_BOARD_ENTER_BOOTLOADER(nargs, args) machine_bootloader_rtc()
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#endif
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#endif
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#ifdef MICROPY_BOARD_ENTER_BOOTLOADER
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#define MICROPY_PY_MACHINE_BOOTLOADER (1)
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#else
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