48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#ifndef __TWAI_OTA_H
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#define __TWAI_OTA_H
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#include <stdint.h>
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#include "esp_partition.h"
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#include "esp_ota_ops.h"
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#define CONFIG_EXAMPLE_GPIO_DIAGNOSTIC (3)
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#define OTA_BUFFSIZE (1024)
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#define HASH_LEN 32 /* SHA-256 digest length */
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#define OTA_ERR_OFFSET 0xAA00
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typedef enum
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{
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OTA_OK = 0,
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OTA_PARAM_ERROR = OTA_ERR_OFFSET | 1,
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OTA_GET_PARTITION_ERROR,
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OTA_HEADER_CHECK_ERROR,
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OTA_BEGIN_FUN_ERROR,
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OTA_WRITE_FUN_ERROR,
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OTA_END_FUN_ERROR,
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OTA_SET_BOOT_PARTITION_ERROR,
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} ota_err_t;
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typedef struct
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{
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esp_ota_handle_t update_handle;
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esp_partition_t *update_partition;
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bool image_header_was_checked;
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int img_header_size;
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int img_header_app_desc_offset;
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int buf_len;
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uint8_t buf[OTA_BUFFSIZE]; // buf的主要用途是：twai每次8个字节，在开始时因为需要进行校验，所以不能把读入的直接写入分区，应先存着进行校验
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long long binary_file_length;
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} ota_ctrl_t;
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void ota_init(void);
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ota_err_t ota_enter_command(void);
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ota_err_t ota_image_header_check_and_start(void);
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ota_err_t ota_download_data_in(uint8_t *data, int len);
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ota_err_t ota_download_finish_command(void);
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char *ota_read_versions(void);
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#endif |