mirror of
https://github.com/espressif/esp-idf.git
synced 2025-11-04 06:11:06 +00:00
60 lines
2.3 KiB
C
60 lines
2.3 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <esp_types.h>
|
|
#include <esp_err.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Type of eFuse blocks for ESP32
|
|
*/
|
|
typedef enum {
|
|
EFUSE_BLK0 = 0, /**< Number of eFuse block. Reserved. */
|
|
|
|
EFUSE_BLK1 = 1, /**< Number of eFuse block. Used for Flash Encryption. If not using that Flash Encryption feature, they can be used for another purpose. */
|
|
EFUSE_BLK_KEY0 = 1, /**< Number of eFuse block. Used for Flash Encryption. If not using that Flash Encryption feature, they can be used for another purpose. */
|
|
EFUSE_BLK_ENCRYPT_FLASH = 1, /**< Number of eFuse block. Used for Flash Encryption. If not using that Flash Encryption feature, they can be used for another purpose. */
|
|
|
|
EFUSE_BLK2 = 2, /**< Number of eFuse block. Used for Secure Boot. If not using that Secure Boot feature, they can be used for another purpose. */
|
|
EFUSE_BLK_KEY1 = 2, /**< Number of eFuse block. Used for Secure Boot. If not using that Secure Boot feature, they can be used for another purpose. */
|
|
EFUSE_BLK_SECURE_BOOT = 2, /**< Number of eFuse block. Used for Secure Boot. If not using that Secure Boot feature, they can be used for another purpose. */
|
|
|
|
EFUSE_BLK3 = 3, /**< Number of eFuse block. Uses for the purpose of the user. */
|
|
EFUSE_BLK_KEY2 = 3, /**< Number of eFuse block. Uses for the purpose of the user. */
|
|
EFUSE_BLK_KEY_MAX = 4,
|
|
|
|
EFUSE_BLK_MAX = 4,
|
|
} esp_efuse_block_t;
|
|
|
|
/**
|
|
* @brief Type of coding scheme
|
|
*/
|
|
typedef enum {
|
|
EFUSE_CODING_SCHEME_NONE = 0, /**< None */
|
|
EFUSE_CODING_SCHEME_3_4 = 1, /**< 3/4 coding */
|
|
EFUSE_CODING_SCHEME_REPEAT = 2, /**< Repeat coding */
|
|
} esp_efuse_coding_scheme_t;
|
|
|
|
/**
|
|
* @brief Type of key purpose (virtual because ESP32 has only fixed purposes for blocks)
|
|
*/
|
|
typedef enum {
|
|
ESP_EFUSE_KEY_PURPOSE_USER = 0, /**< BLOCK3 */
|
|
ESP_EFUSE_KEY_PURPOSE_SYSTEM = 1, /**< BLOCK0 */
|
|
ESP_EFUSE_KEY_PURPOSE_FLASH_ENCRYPTION = 2, /**< BLOCK1 */
|
|
ESP_EFUSE_KEY_PURPOSE_SECURE_BOOT_V2 = 3, /**< BLOCK2 */
|
|
ESP_EFUSE_KEY_PURPOSE_MAX, /**< MAX PURPOSE*/
|
|
} esp_efuse_purpose_t;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|