#include "rng.h"

void RNG_init(void)
{
	__HAL_RCC_RNG_CLK_ENABLE();
	RNG->CR |= RNG_CR_RNGEN;
}

void RNG_deinit(void)
{
	__HAL_RCC_RNG_CLK_DISABLE();
	RNG->CR &= ~RNG_CR_RNGEN;
}

uint32_t RNG_get(void)
{
	while(!(RNG->SR & RNG_SR_DRDY)); 
	return RNG->DR;
}