arduino-esp32/tools/sdk/include/app_update/esp_ota_ops.h

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// Copyright 2015-2016 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.
#ifndef _OTA_OPS_H
#define _OTA_OPS_H
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include "esp_err.h"
#include "esp_partition.h"
#include "esp_spi_flash.h"
#ifdef __cplusplus
extern "C"
{
#endif
#define OTA_SIZE_UNKNOWN 0xffffffff
#define ESP_ERR_OTA_BASE 0x1500 /*!< base error code for ota_ops api */
#define ESP_ERR_OTA_PARTITION_CONFLICT (ESP_ERR_OTA_BASE + 0x01) /*!< want to write or erase current running partition */
#define ESP_ERR_OTA_SELECT_INFO_INVALID (ESP_ERR_OTA_BASE + 0x02) /*!< ota data partition info is error */
#define ESP_ERR_OTA_VALIDATE_FAILED (ESP_ERR_OTA_BASE + 0x03) /*!< validate ota image failed */
/**
* @brief Opaque handle for application update obtained from app_ops.
*/
typedef uint32_t esp_ota_handle_t;
/**
* @brief format input partition in flash to 0xFF as input image size,
* if unkown image size ,pass 0x0 or 0xFFFFFFFF, it will erase all the
* partition ,Otherwise, erase the required range
*
* @param partition Pointer to partition structure which need to be updated
* Must be non-NULL.
* @param image_size size of image need to be updated
* @param out_handle handle which should be used for esp_ota_write or esp_ota_end call
* @return:
* - ESP_OK: if format ota image OK
* - ESP_ERR_OTA_PARTITION_CONFLICT: operate current running bin
* - ESP_ERR_OTA_SELECT_INFO_INVALID: ota bin select info invalid
*/
esp_err_t esp_ota_begin(const esp_partition_t* partition, size_t image_size, esp_ota_handle_t* out_handle);
/**
* @brief Write data to input input partition
*
* @param handle Handle obtained from esp_ota_begin
* @param data Pointer to data write to flash
* @param size data size of recieved data
*
* @return:
* - ESP_OK: if write flash data OK
* - ESP_ERR_OTA_PARTITION_CONFLICT: operate current running bin
* - ESP_ERR_OTA_SELECT_INFO_INVALID: ota bin select info invalid
*/
esp_err_t esp_ota_write(esp_ota_handle_t handle, const void* data, size_t size);
/**
* @brief Finish the update and validate written data
*
* @param handle Handle obtained from esp_ota_begin
*
* @return:
* - ESP_OK: if validate ota image pass
* - ESP_ERR_OTA_VALIDATE_FAILED: validate the ota image is invalid
*/
esp_err_t esp_ota_end(esp_ota_handle_t handle);
/**
* @brief Set next boot partition, call system_restart() will switch to run it
*
* @note if you want switch to run a bin file
* has never been checked before,please validate it's signature firstly
*
* @param partition Pointer to partition structure which need to boot
*
* @return:
* - ESP_OK: if set next boot partition OK
* - ESP_ERR_OTA_SELECT_INFO_INVALID: ota bin select info invalid
*/
esp_err_t esp_ota_set_boot_partition(const esp_partition_t* partition);
/**
* @brief Get partition info of current running image
*
* @return pointer to esp_partition_t structure, or NULL if no partition is found or
* operate flash failed,This pointer is valid for the lifetime of the application.
*/
const esp_partition_t* esp_ota_get_boot_partition(void);
#ifdef __cplusplus
}
#endif
#endif /* OTA_OPS_H */