// Copyright 2020-2021 Beken // // 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. #pragma once #include #include #ifdef __cplusplus extern "C" { #endif /* @brief Overview about this API header * */ /** * @brief EFUSE API * @defgroup bk_api_efuse EFUSE API group * @{ */ /** * @brief Init the EFUSE driver * * This API init the resoure common: * - Init EFUSE driver control memory * * @attention 1. This API should be called before any other EFUSE APIs. * * @return * - BK_OK: succeed * - others: other errors. */ bk_err_t bk_efuse_driver_init(void); /** * @brief Deinit the EFUSE driver * * This API free all resource related to EFUSE and disable EFUSE. * * @return * - BK_OK: succeed * - others: other errors. */ bk_err_t bk_efuse_driver_deinit(void); /** * @brief Efuse write operation * @Notice: Each efuse address area has specific usage, please apply the area from PM * before write data to the efuse address. * * @param addr efuse write address * @param data efuse write data * * @return * - BK_OK: succeed * - BK_ERR_EFUSE_DRIVER_NOT_INIT: EFUSE driver not init * - BK_ERR_EFUSE_ADDR_OUT_OF_RANGE: EFUSE address is out of range * - BK_ERR_EFUSE_CANNOT_WRTIE: EFUSE cannot write, cannot change bit from 1 to 0 * - BK_ERR_EFUSE_WRTIE_NOT_EQUAL: EFUSE data read is not equal to the data written * - others: other errors. */ bk_err_t bk_efuse_write_byte(uint8_t addr, uint8_t data); /** * @brief Efuse read operation * * @param addr read address * @param data pointer to accept value of efuse read data * * @return * - BK_OK: succeed * - BK_ERR_EFUSE_DRIVER_NOT_INIT: EFUSE driver not init * - BK_ERR_EFUSE_ADDR_OUT_OF_RANGE: EFUSE address is out of range * - others: other errors. */ bk_err_t bk_efuse_read_byte(uint8_t addr, uint8_t *data); /** * @} */ #ifdef __cplusplus } #endif