85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
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/************************************************************************************************/
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/**
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* @file ciu32l051_std_trng.c
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* @author MCU Ecosystem Development Team
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* @brief TRNG STD<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* ʵ<EFBFBD><EFBFBD>TRNGģ<EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>á<EFBFBD><EFBFBD><EFBFBD>ȡ32λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȹ<EFBFBD><EFBFBD><EFBFBD>API<EFBFBD><EFBFBD>
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*
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*
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**************************************************************************************************
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* @attention
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* Copyright (c) CEC Huada Electronic Design Co.,Ltd. All rights reserved.
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*
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**************************************************************************************************
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*/
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/************************************************************************************************/
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/**
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* @addtogroup CIU32L051_STD_Driver
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* @{
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*/
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/**
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* @addtogroup TRNG
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* @{
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*
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*/
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/************************************************************************************************/
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/*------------------------------------includes--------------------------------------------------*/
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#include "ciu32l051_std.h"
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#ifdef STD_TRNG_PERIPHERAL_USED
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/*------------------------------------functions-------------------------------------------------*/
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/************************************************************************************************/
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/**
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* @addtogroup TRNG_External_Functions
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* @{
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*
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*/
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/************************************************************************************************/
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/**
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* @brief TRNGȥ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
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* @retval <EFBFBD><EFBFBD>
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*/
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void std_trng_deinit(void)
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{
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/* <20><>λTRNG */
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std_rcc_apb2_reset(RCC_PERIPH_RESET_TRNG);
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/* TRNGʱ<47>ӽ<EFBFBD>ֹ */
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std_rcc_apb2_clk_disable(RCC_PERIPH_CLK_TRNG);
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}
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/**
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* @brief <EFBFBD><EFBFBD>ȡ32λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param rng_data32 <EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD>32λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @retval std_status_t <EFBFBD><EFBFBD><EFBFBD><EFBFBD>APIִ<EFBFBD>н<EFBFBD><EFBFBD><EFBFBD>
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*/
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std_status_t std_trng_get_random_number(uint32_t *rng_data32)
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{
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/* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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while (!std_trng_get_flag_ready());
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/* <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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*rng_data32 = std_trng_read_data();
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return STD_OK;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif /* STD_TRNG_PERIPHERAL_USED */
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/**
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* @}
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*/
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