96 lines
1.8 KiB
C
96 lines
1.8 KiB
C
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// Copyright 2020-2021 Beken
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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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//
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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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#pragma once
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#include <common/bk_include.h>
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#include <driver/trng_types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* @brief Overview about this API header
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*
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*/
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/**
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* @brief TRNG API
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* @defgroup bk_api_trng TRNG API group
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* @{
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*/
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/**
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* @brief Init the TRNG driver
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*
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* This API init the resoure common:
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* - Init TRNG driver control memory
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*
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* @attention 1. This API should be called before any other TRNG APIs.
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*
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* @return
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* - BK_OK: succeed
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* - others: other errors.
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*/
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bk_err_t bk_trng_driver_init(void);
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/**
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* @brief Deinit the TRNG driver
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*
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* This API free all resource related to TRNG and disable TRNG.
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*
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* @return
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* - BK_OK: succeed
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* - others: other errors.
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*/
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bk_err_t bk_trng_driver_deinit(void);
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/**
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* @brief Start the TRNG
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*
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* @return
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* - BK_OK: succeed
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* - BK_ERR_TRNG_DRIVER_NOT_INIT: TRNG driver not init
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* - others: other errors.
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*/
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bk_err_t bk_trng_start(void);
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/**
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* @brief Stop the TRNG
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*
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* @return
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* - BK_OK: succeed
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* - BK_ERR_TRNG_DRIVER_NOT_INIT: TRNG driver not init
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* - others: other errors.
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*/
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bk_err_t bk_trng_stop(void);
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/**
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* @brief Get the random number
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*
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* @return random number between 0 and RAND_MAX
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*/
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int bk_rand(void);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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