119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/* OTA example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "esp_ota_ops.h"
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#include "esp_http_client.h"
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#include "esp_https_ota.h"
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#include "protocol_examples_common.h"
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#include "string.h"
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#include "nvs.h"
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#include "nvs_flash.h"
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#include "protocol_examples_common.h"
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#if CONFIG_EXAMPLE_CONNECT_WIFI
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#include "esp_wifi.h"
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#endif
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static const char *TAG = "simple_ota_example";
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extern const uint8_t server_cert_pem_start[] asm("_binary_ca_cert_pem_start");
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extern const uint8_t server_cert_pem_end[] asm("_binary_ca_cert_pem_end");
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#define OTA_URL_SIZE 256
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esp_err_t _http_event_handler(esp_http_client_event_t *evt)
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{
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switch (evt->event_id) {
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case HTTP_EVENT_ERROR:
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ESP_LOGD(TAG, "HTTP_EVENT_ERROR");
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break;
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case HTTP_EVENT_ON_CONNECTED:
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ESP_LOGD(TAG, "HTTP_EVENT_ON_CONNECTED");
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break;
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case HTTP_EVENT_HEADER_SENT:
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ESP_LOGD(TAG, "HTTP_EVENT_HEADER_SENT");
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break;
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case HTTP_EVENT_ON_HEADER:
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ESP_LOGD(TAG, "HTTP_EVENT_ON_HEADER, key=%s, value=%s", evt->header_key, evt->header_value);
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break;
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case HTTP_EVENT_ON_DATA:
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ESP_LOGD(TAG, "HTTP_EVENT_ON_DATA, len=%d", evt->data_len);
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break;
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case HTTP_EVENT_ON_FINISH:
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ESP_LOGD(TAG, "HTTP_EVENT_ON_FINISH");
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break;
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case HTTP_EVENT_DISCONNECTED:
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ESP_LOGD(TAG, "HTTP_EVENT_DISCONNECTED");
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break;
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}
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return ESP_OK;
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}
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void simple_ota_example_task(void *pvParameter)
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{
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ESP_LOGI(TAG, "Starting OTA example");
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esp_http_client_config_t config = {
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.url = CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL,
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.cert_pem = (char *)server_cert_pem_start,
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.event_handler = _http_event_handler,
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};
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#ifdef CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK
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config.skip_cert_common_name_check = true;
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#endif
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esp_err_t ret = esp_https_ota(&config);
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if (ret == ESP_OK) {
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esp_restart();
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} else {
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ESP_LOGE(TAG, "Firmware upgrade failed");
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}
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while (1) {
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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}
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}
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void app_main(void)
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{
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// Initialize NVS.
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esp_err_t err = nvs_flash_init();
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if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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// 1.OTA app partition table has a smaller NVS partition size than the non-OTA
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// partition table. This size mismatch may cause NVS initialization to fail.
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// 2.NVS partition contains data in new format and cannot be recognized by this version of code.
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// If this happens, we erase NVS partition and initialize NVS again.
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ESP_ERROR_CHECK(nvs_flash_erase());
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err = nvs_flash_init();
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}
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ESP_ERROR_CHECK(err);
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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/* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
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* Read "Establishing Wi-Fi or Ethernet Connection" section in
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* examples/protocols/README.md for more information about this function.
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*/
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ESP_ERROR_CHECK(example_connect());
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#if CONFIG_EXAMPLE_CONNECT_WIFI
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/* Ensure to disable any WiFi power save mode, this allows best throughput
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* and hence timings for overall OTA operation.
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*/
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esp_wifi_set_ps(WIFI_PS_NONE);
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#endif // CONFIG_EXAMPLE_CONNECT_WIFI
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xTaskCreate(&simple_ota_example_task, "ota_example_task", 8192, NULL, 5, NULL);
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}
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