kopia lustrzana https://github.com/espressif/esp-idf
182 wiersze
7.4 KiB
C
182 wiersze
7.4 KiB
C
// Copyright 2017-2018 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#pragma once
|
|
|
|
#include <esp_http_client.h>
|
|
#include <bootloader_common.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef void *esp_https_ota_handle_t;
|
|
|
|
/**
|
|
* @brief ESP HTTPS OTA configuration
|
|
*/
|
|
typedef struct {
|
|
const esp_http_client_config_t *http_config; /*!< ESP HTTP client configuration */
|
|
} esp_https_ota_config_t;
|
|
|
|
#define ESP_ERR_HTTPS_OTA_BASE (0x9000)
|
|
#define ESP_ERR_HTTPS_OTA_IN_PROGRESS (ESP_ERR_HTTPS_OTA_BASE + 1) /* OTA operation in progress */
|
|
|
|
/**
|
|
* @brief HTTPS OTA Firmware upgrade.
|
|
*
|
|
* This function allocates HTTPS OTA Firmware upgrade context, establishes HTTPS connection,
|
|
* reads image data from HTTP stream and writes it to OTA partition and
|
|
* finishes HTTPS OTA Firmware upgrade operation.
|
|
* This API supports URL redirection, but if CA cert of URLs differ then it
|
|
* should be appended to `cert_pem` member of `config`.
|
|
*
|
|
* @param[in] config pointer to esp_http_client_config_t structure.
|
|
*
|
|
* @note This API handles the entire OTA operation, so if this API is being used
|
|
* then no other APIs from `esp_https_ota` component should be called.
|
|
* If more information and control is needed during the HTTPS OTA process,
|
|
* then one can use `esp_https_ota_begin` and subsequent APIs. If this API returns
|
|
* successfully, esp_restart() must be called to boot from the new firmware image.
|
|
*
|
|
* @return
|
|
* - ESP_OK: OTA data updated, next reboot will use specified partition.
|
|
* - ESP_FAIL: For generic failure.
|
|
* - ESP_ERR_INVALID_ARG: Invalid argument
|
|
* - ESP_ERR_OTA_VALIDATE_FAILED: Invalid app image
|
|
* - ESP_ERR_NO_MEM: Cannot allocate memory for OTA operation.
|
|
* - ESP_ERR_FLASH_OP_TIMEOUT or ESP_ERR_FLASH_OP_FAIL: Flash write failed.
|
|
* - For other return codes, refer OTA documentation in esp-idf's app_update component.
|
|
*/
|
|
esp_err_t esp_https_ota(const esp_http_client_config_t *config);
|
|
|
|
/**
|
|
* @brief Start HTTPS OTA Firmware upgrade
|
|
*
|
|
* This function initializes ESP HTTPS OTA context and establishes HTTPS connection.
|
|
* This function must be invoked first. If this function returns successfully, then `esp_https_ota_perform` should be
|
|
* called to continue with the OTA process and there should be a call to `esp_https_ota_finish` on
|
|
* completion of OTA operation or on failure in subsequent operations.
|
|
* This API supports URL redirection, but if CA cert of URLs differ then it
|
|
* should be appended to `cert_pem` member of `http_config`, which is a part of `ota_config`.
|
|
* In case of error, this API explicitly sets `handle` to NULL.
|
|
*
|
|
* @param[in] ota_config pointer to esp_https_ota_config_t structure
|
|
* @param[out] handle pointer to an allocated data of type `esp_https_ota_handle_t`
|
|
* which will be initialised in this function
|
|
*
|
|
* @note This API is blocking, so setting `is_async` member of `http_config` structure will
|
|
* result in an error.
|
|
*
|
|
* @return
|
|
* - ESP_OK: HTTPS OTA Firmware upgrade context initialised and HTTPS connection established
|
|
* - ESP_FAIL: For generic failure.
|
|
* - ESP_ERR_INVALID_ARG: Invalid argument (missing/incorrect config, certificate, etc.)
|
|
* - For other return codes, refer documentation in app_update component and esp_http_client
|
|
* component in esp-idf.
|
|
*/
|
|
esp_err_t esp_https_ota_begin(esp_https_ota_config_t *ota_config, esp_https_ota_handle_t *handle);
|
|
|
|
/**
|
|
* @brief Read image data from HTTP stream and write it to OTA partition
|
|
*
|
|
* This function reads image data from HTTP stream and writes it to OTA partition. This function
|
|
* must be called only if esp_https_ota_begin() returns successfully.
|
|
* This function must be called in a loop since it returns after every HTTP read operation thus
|
|
* giving you the flexibility to stop OTA operation midway.
|
|
*
|
|
* @param[in] https_ota_handle pointer to esp_https_ota_handle_t structure
|
|
*
|
|
* @return
|
|
* - ESP_ERR_HTTPS_OTA_IN_PROGRESS: OTA update is in progress, call this API again to continue.
|
|
* - ESP_OK: OTA update was successful
|
|
* - ESP_FAIL: OTA update failed
|
|
* - ESP_ERR_INVALID_ARG: Invalid argument
|
|
* - ESP_ERR_OTA_VALIDATE_FAILED: Invalid app image
|
|
* - ESP_ERR_NO_MEM: Cannot allocate memory for OTA operation.
|
|
* - ESP_ERR_FLASH_OP_TIMEOUT or ESP_ERR_FLASH_OP_FAIL: Flash write failed.
|
|
* - For other return codes, refer OTA documentation in esp-idf's app_update component.
|
|
*/
|
|
esp_err_t esp_https_ota_perform(esp_https_ota_handle_t https_ota_handle);
|
|
|
|
/**
|
|
* @brief Checks if complete data was received or not
|
|
*
|
|
* @note This API can be called just before esp_https_ota_finish() to validate if the complete image was indeed received.
|
|
*
|
|
* @param[in] https_ota_handle pointer to esp_https_ota_handle_t structure
|
|
*
|
|
* @return
|
|
* - false
|
|
* - true
|
|
*/
|
|
bool esp_https_ota_is_complete_data_received(esp_https_ota_handle_t https_ota_handle);
|
|
|
|
/**
|
|
* @brief Clean-up HTTPS OTA Firmware upgrade and close HTTPS connection
|
|
*
|
|
* This function closes the HTTP connection and frees the ESP HTTPS OTA context.
|
|
* This function switches the boot partition to the OTA partition containing the
|
|
* new firmware image.
|
|
*
|
|
* @note If this API returns successfully, esp_restart() must be called to
|
|
* boot from the new firmware image
|
|
*
|
|
* @param[in] https_ota_handle pointer to esp_https_ota_handle_t structure
|
|
*
|
|
* @return
|
|
* - ESP_OK: Clean-up successful
|
|
* - ESP_ERR_INVALID_STATE
|
|
* - ESP_ERR_INVALID_ARG: Invalid argument
|
|
* - ESP_ERR_OTA_VALIDATE_FAILED: Invalid app image
|
|
*/
|
|
esp_err_t esp_https_ota_finish(esp_https_ota_handle_t https_ota_handle);
|
|
|
|
|
|
/**
|
|
* @brief Reads app description from image header. The app description provides information
|
|
* like the "Firmware version" of the image.
|
|
*
|
|
* @note This API can be called only after esp_https_ota_begin() and before esp_https_ota_perform().
|
|
* Calling this API is not mandatory.
|
|
*
|
|
* @param[in] https_ota_handle pointer to esp_https_ota_handle_t structure
|
|
* @param[out] new_app_info pointer to an allocated esp_app_desc_t structure
|
|
*
|
|
* @return
|
|
* - ESP_ERR_INVALID_ARG: Invalid arguments
|
|
* - ESP_FAIL: Failed to read image descriptor
|
|
* - ESP_OK: Successfully read image descriptor
|
|
*/
|
|
esp_err_t esp_https_ota_get_img_desc(esp_https_ota_handle_t https_ota_handle, esp_app_desc_t *new_app_info);
|
|
|
|
|
|
/*
|
|
* @brief This function returns OTA image data read so far.
|
|
*
|
|
* @note This API should be called only if `esp_https_ota_perform()` has been called atleast once or
|
|
* if `esp_https_ota_get_img_desc` has been called before.
|
|
*
|
|
* @param[in] https_ota_handle pointer to esp_https_ota_handle_t structure
|
|
*
|
|
* @return
|
|
* - -1 On failure
|
|
* - total bytes read so far
|
|
*/
|
|
int esp_https_ota_get_image_len_read(esp_https_ota_handle_t https_ota_handle);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|