131 lines
5.5 KiB
C
131 lines
5.5 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 microDev
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "shared-bindings/ota/__init__.h"
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#include <string.h>
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#include "esp_log.h"
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#include "esp_ota_ops.h"
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static const char *TAG = "OTA";
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static void __attribute__((noreturn)) task_fatal_error(void) {
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ESP_LOGE(TAG, "Exiting task due to fatal error...");
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mp_raise_RuntimeError(translate("OTA Update Failed"));
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}
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void common_hal_ota_flash(const void *buf, const size_t len) {
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esp_err_t err;
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/* update handle : set by esp_ota_begin(), must be freed via esp_ota_end() */
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esp_ota_handle_t update_handle = 0 ;
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const esp_partition_t *update_partition = NULL;
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ESP_LOGI(TAG, "Starting update");
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const esp_partition_t *configured = esp_ota_get_boot_partition();
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const esp_partition_t *running = esp_ota_get_running_partition();
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if (configured != running) {
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ESP_LOGW(TAG, "Configured OTA boot partition at offset 0x%08x, but running from offset 0x%08x",
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configured->address, running->address);
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ESP_LOGW(TAG, "(This can happen if either the OTA boot data or preferred boot image become corrupted somehow.)");
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}
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ESP_LOGI(TAG, "Running partition type %d subtype %d (offset 0x%08x)",
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running->type, running->subtype, running->address);
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update_partition = esp_ota_get_next_update_partition(NULL);
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ESP_LOGI(TAG, "Writing partition type %d subtype %d (offset 0x%08x)\n",
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update_partition->type, update_partition->subtype, update_partition->address);
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assert(update_partition != NULL);
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if (len > sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t) + sizeof(esp_app_desc_t)) {
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// check current version with downloading
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esp_app_desc_t new_app_info;
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memcpy(&new_app_info, &((char *)buf)[sizeof(esp_image_header_t) + sizeof(esp_image_segment_header_t)], sizeof(esp_app_desc_t));
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ESP_LOGI(TAG, "New firmware version: %s", new_app_info.version);
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esp_app_desc_t running_app_info;
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if (esp_ota_get_partition_description(running, &running_app_info) == ESP_OK) {
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ESP_LOGI(TAG, "Running firmware version: %s", running_app_info.version);
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}
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const esp_partition_t* last_invalid_app = esp_ota_get_last_invalid_partition();
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esp_app_desc_t invalid_app_info;
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if (esp_ota_get_partition_description(last_invalid_app, &invalid_app_info) == ESP_OK) {
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ESP_LOGI(TAG, "Last invalid firmware version: %s", invalid_app_info.version);
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}
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// check current version with last invalid partition
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if (last_invalid_app != NULL) {
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if (memcmp(invalid_app_info.version, new_app_info.version, sizeof(new_app_info.version)) == 0) {
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ESP_LOGW(TAG, "New version is the same as invalid version.");
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ESP_LOGW(TAG, "Previously, there was an attempt to launch the firmware with %s version, but it failed.", invalid_app_info.version);
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ESP_LOGW(TAG, "The firmware has been rolled back to the previous version.");
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task_fatal_error();
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}
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}
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if (memcmp(new_app_info.version, running_app_info.version, sizeof(new_app_info.version)) == 0) {
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ESP_LOGW(TAG, "Current running version is the same as a new. We will not continue the update.");
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task_fatal_error();
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}
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err = esp_ota_begin(update_partition, OTA_WITH_SEQUENTIAL_WRITES, &update_handle);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "esp_ota_begin failed (%s)", esp_err_to_name(err));
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task_fatal_error();
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}
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ESP_LOGI(TAG, "esp_ota_begin succeeded");
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} else {
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ESP_LOGE(TAG, "received package is not fit len");
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task_fatal_error();
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}
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err = esp_ota_write( update_handle, buf, len);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "esp_ota_write failed (%s)", esp_err_to_name(err));
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task_fatal_error();
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}
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ESP_LOGI(TAG, "Total Write binary data length: %d", len);
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err = esp_ota_end(update_handle);
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if (err != ESP_OK) {
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if (err == ESP_ERR_OTA_VALIDATE_FAILED) {
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ESP_LOGE(TAG, "Image validation failed, image is corrupted");
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}
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ESP_LOGE(TAG, "esp_ota_end failed (%s)!", esp_err_to_name(err));
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task_fatal_error();
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}
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err = esp_ota_set_boot_partition(update_partition);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "esp_ota_set_boot_partition failed (%s)!", esp_err_to_name(err));
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task_fatal_error();
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}
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}
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