ESP-IDF
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Outline
#include <esp_types.h>
#include <esp_err.h>
esp_efuse_block_t
esp_efuse_coding_scheme_t
esp_efuse_purpose_t
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/efuse/esp32/include/esp_efuse_chip.h
 
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/* * 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
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