STM32-Player-Doc/STM32H743VI 开发版/STM32H750驱动例程(HAL库)/例33 USB读卡器(Slave)/HARDWARE/RNG/rng.c

#include "rng.h"
#include "delay.h"
//////////////////////////////////////////////////////////////////////////////////	 
/**************************************************************************************/
//RNG(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	   

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//Ƕ<><C7B6>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**************************************************************************************/								  
////////////////////////////////////////////////////////////////////////////////// 	

RNG_HandleTypeDef RNG_Handler;  //RNG<4E><47><EFBFBD><EFBFBD>


/**************************************************************************************/
//<2F><>ʼ<EFBFBD><CABC>RNG   

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//Ƕ<><C7B6>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**************************************************************************************/	


u8 RNG_Init(void)
{
    u16 retry=0;
	
    RNG_Handler.Instance=RNG;   
    HAL_RNG_DeInit(&RNG_Handler);
    HAL_RNG_Init(&RNG_Handler);//<2F><>ʼ<EFBFBD><CABC>RNG
    while(__HAL_RNG_GET_FLAG(&RNG_Handler,RNG_FLAG_DRDY)==RESET&&retry<10000)//<2F>ȴ<EFBFBD>RNG׼<47><D7BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    {
        retry++;
        delay_us(10);
    }
    if(retry>=10000) return 1;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    return 0;
}

/**************************************************************************************/
//<2F><>ʼ<EFBFBD><CABC>RNG   

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//Ƕ<><C7B6>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**************************************************************************************/	

void HAL_RNG_MspInit(RNG_HandleTypeDef *hrng)
{
	RCC_PeriphCLKInitTypeDef RNGClkInitStruct;

	//<2F><><EFBFBD><EFBFBD>RNGʱ<47><CAB1>Դ<EFBFBD><D4B4>ѡ<EFBFBD><D1A1>PLL<4C><4C>ʱ<EFBFBD><CAB1>Ϊ400MHz
	RNGClkInitStruct.PeriphClockSelection=RCC_PERIPHCLK_RNG;  	//<2F><><EFBFBD><EFBFBD>RNGʱ<47><CAB1>Դ
	RNGClkInitStruct.RngClockSelection=RCC_RNGCLKSOURCE_PLL;	//RNGʱ<47><CAB1>Դѡ<D4B4><D1A1>PLL
	HAL_RCCEx_PeriphCLKConfig(&RNGClkInitStruct);
	
	__HAL_RCC_RNG_CLK_ENABLE();//ʹ<><CAB9>RNGʱ<47><CAB1>
}


/**************************************************************************************/
//<2F>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//Ƕ<><C7B6>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**************************************************************************************/	

u32 RNG_Get_RandomNum(void)
{
	u32 randomnum;
	
    HAL_RNG_GenerateRandomNumber(&RNG_Handler,&randomnum);
	return randomnum;
}


/**************************************************************************************/
//<2F><><EFBFBD><EFBFBD>[min,max]<5D><>Χ<EFBFBD><CEA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//Ƕ<><C7B6>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**************************************************************************************/	


int RNG_Get_RandomRange(int min,int max)
{ 
	u32 randomnum;
	
	HAL_RNG_GenerateRandomNumber(&RNG_Handler,&randomnum);
	return randomnum%(max-min+1)+min;
}
































/**************************************************************************************/

//STM32H7<48><37><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3>-HAL<41>⺯<EFBFBD><E2BAAF><EFBFBD>汾
//DevEBox  <20><>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD>
//Ƕ<><C7B6>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>mcudev.taobao.com
//<2F>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD>̣<EFBFBD>shop389957290.taobao.com	

/**************************************************************************************/