115 lines
4.3 KiB
C
Executable file
115 lines
4.3 KiB
C
Executable file
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _OTA_OPS_H
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#define _OTA_OPS_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include "esp_err.h"
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#include "esp_partition.h"
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#include "esp_spi_flash.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define OTA_SIZE_UNKNOWN 0xffffffff
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#define ESP_ERR_OTA_BASE 0x1500 /*!< base error code for ota_ops api */
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#define ESP_ERR_OTA_PARTITION_CONFLICT (ESP_ERR_OTA_BASE + 0x01) /*!< want to write or erase current running partition */
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#define ESP_ERR_OTA_SELECT_INFO_INVALID (ESP_ERR_OTA_BASE + 0x02) /*!< ota data partition info is error */
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#define ESP_ERR_OTA_VALIDATE_FAILED (ESP_ERR_OTA_BASE + 0x03) /*!< validate ota image failed */
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/**
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* @brief Opaque handle for application update obtained from app_ops.
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*/
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typedef uint32_t esp_ota_handle_t;
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/**
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* @brief format input partition in flash to 0xFF as input image size,
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* if unkown image size ,pass 0x0 or 0xFFFFFFFF, it will erase all the
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* partition ,Otherwise, erase the required range
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*
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* @param partition Pointer to partition structure which need to be updated
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* Must be non-NULL.
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* @param image_size size of image need to be updated
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* @param out_handle handle which should be used for esp_ota_write or esp_ota_end call
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* @return:
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* - ESP_OK: if format ota image OK
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* - ESP_ERR_OTA_PARTITION_CONFLICT: operate current running bin
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* - ESP_ERR_OTA_SELECT_INFO_INVALID: ota bin select info invalid
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*/
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esp_err_t esp_ota_begin(const esp_partition_t* partition, size_t image_size, esp_ota_handle_t* out_handle);
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/**
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* @brief Write data to input input partition
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*
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* @param handle Handle obtained from esp_ota_begin
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* @param data Pointer to data write to flash
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* @param size data size of recieved data
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*
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* @return:
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* - ESP_OK: if write flash data OK
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* - ESP_ERR_OTA_PARTITION_CONFLICT: operate current running bin
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* - ESP_ERR_OTA_SELECT_INFO_INVALID: ota bin select info invalid
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*/
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esp_err_t esp_ota_write(esp_ota_handle_t handle, const void* data, size_t size);
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/**
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* @brief Finish the update and validate written data
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*
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* @param handle Handle obtained from esp_ota_begin.
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*
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* @note After calling esp_ota_end(), the handle is no longer valid and any memory associated with it is freed (regardless of result).
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*
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* @return:
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* - ESP_OK: Newly written OTA app image is valid.
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* - ESP_ERR_NOT_FOUND: OTA handle was not found.
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* - ESP_ERR_INVALID_ARG: Handle was never written to.
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* - ESP_ERR_OTA_VALIDATE_FAILED: OTA image is invalid (either not a valid app image, or - if secure boot is enabled - signature failed to verify.)
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* - ESP_ERR_INVALID_STATE: If flash encryption is enabled, this result indicates an internal error writing the final encrypted bytes to flash.
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*/
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esp_err_t esp_ota_end(esp_ota_handle_t handle);
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/**
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* @brief Set next boot partition, call system_restart() will switch to run it
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*
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* @note if you want switch to run a bin file
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* has never been checked before,please validate it's signature firstly
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*
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* @param partition Pointer to partition structure which need to boot
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*
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* @return:
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* - ESP_OK: if set next boot partition OK
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* - ESP_ERR_OTA_SELECT_INFO_INVALID: ota bin select info invalid
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*/
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esp_err_t esp_ota_set_boot_partition(const esp_partition_t* partition);
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/**
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* @brief Get partition info of current running image
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*
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* @return pointer to esp_partition_t structure, or NULL if no partition is found or
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* operate flash failed,This pointer is valid for the lifetime of the application.
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*/
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const esp_partition_t* esp_ota_get_boot_partition(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OTA_OPS_H */
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