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/************************ (C) COPYRIGHT Megahuntmicro *************************
* @file : air32f10x_trng.c
* @author : Megahuntmicro
* @version : V1.0.0
* @date :
* @brief :
*****************************************************************************/
/* Includes -----------------------------------------------------------------*/
#include "air32f10x_trng.h"
/**
* @method TRNG_Get
* @brief
* @param rand
* @retval
*/
uint32_t TRNG_Get(uint32_t TRNG_Data[4])
{
uint32_t ret = 1;
if (TRNG->RNG_CSR & TRNG_RNG_CSR_S128_TRNG0_Mask)
{
TRNG_Data[0] = TRNG->RNG_DATA;
TRNG_Data[1] = TRNG->RNG_DATA;
TRNG_Data[2] = TRNG->RNG_DATA;
TRNG_Data[3] = TRNG->RNG_DATA;
ret = 0;
}
return ret;
}
/**
* @method TRNG_SetPseudoRandom
* @brief
* @param PseudoRandom
* @retval
*/
void TRNG_SetPseudoRandom(uint32_t TRNG_PseudoRandom)
{
TRNG->RNG_PN = TRNG_PseudoRandom;
}
/**
* @method TRNG_DirectOutANA
* @brief
* @param NewState
* @retval
*/
void TRNG_DirectOutANA(FunctionalState NewState)
{
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
TRNG->RNG_AMA |= TRNG_RNG_AMA_OUT_TRNG0_Mask;
}
else
{
TRNG->RNG_AMA &= ~TRNG_RNG_AMA_OUT_TRNG0_Mask;
}
}
/**
* @method TRNG_SelectPDSource
* @brief
* @param sourcex
* @retval
*/
void TRNG_SelectPDSource(TRNG_PDSourceTypeDef TRNG_Source)
{
assert_param(IS_TRNG_PDSource(TRNG_Source));
TRNG->RNG_AMA = (TRNG->RNG_AMA & ~(0xF << 12)) | (TRNG_Source << 12);
}
/**
* @method TRNG_ITConfig
* @brief
* @param NewState
* @retval
*/
void TRNG_ITConfig(FunctionalState NewState)
{
if (NewState != DISABLE)
{
TRNG->RNG_CSR |= TRNG_RNG_CSR_INTP_EN_Mask;
}
else
{
TRNG->RNG_CSR &= ~TRNG_RNG_CSR_INTP_EN_Mask;
}
}
/**
* @brief TRNG_GetITStatus
* @param TRNG_IT:
* TRNG_IT_RNG0_S128
* TRNG_IT_RNG1_S128
* TRNG_IT_RNG0_ATTACK
* TRNG_IT_RNG1_ATTACK
* @retval None
*/
ITStatus TRNG_GetITStatus(uint32_t TRNG_IT)
{
assert_param(IS_TRNG_GET_IT(TRNG_IT));
if (((TRNG->RNG_CSR) & TRNG_IT) != (uint32_t)RESET)
{
return SET;
}
else
{
return RESET;
}
}
/**
* @brief 设置TRNG中断标志位
* @param TRNG_IT:
* TRNG_IT_RNG0_S128
* TRNG_IT_RNG1_S128
* TRNG_IT_RNG0_ATTACK
* TRNG_IT_RNG1_ATTACK
* @retval None
*/
void TRNG_ClearITPendingBit(uint32_t TRNG_IT)
{
assert_param(IS_TRNG_GET_IT(TRNG_IT));
TRNG->RNG_CSR &= ~TRNG_IT;
}
/**
* @brief TRNG_Start
* @param
* @retval None
*/
void TRNG_Start(void)
{
TRNG->RNG_AMA &= ~TRNG_RNG_AMA_PD_ALL_Mask;
TRNG->RNG_CSR &= ~TRNG_RNG_CSR_S128_TRNG0_Mask;
}
/**
* @brief TRNG_Stop
* @param
* @retval None
*/
void TRNG_Stop(void)
{
TRNG->RNG_AMA |= TRNG_RNG_AMA_PD_ALL_Mask;
}
/**
* @brief TRNG_Stop
* @param
* @retval None
*/
void TRNG_Out(FunctionalState NewState)
{
if (NewState != DISABLE)
{
RCC->RCC_SYSCFG_CONFIG = 0x01;
SYSCFG->SYSCFG_LOCK = 0xCDED3526;
SYSCFG->SSC_CLK_EN |= TRNG_RNG_ENABLE;
}
else
{
RCC->RCC_SYSCFG_CONFIG = 0x00;
SYSCFG->SSC_CLK_EN &= ~TRNG_RNG_ENABLE;
}
}
/************************** (C) COPYRIGHT Megahunt *****END OF FILE****/
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