记录自己的STM32的HAL库的学习之路,不定期更新…
一、Pinout
二、Clock Configuration
三、Configuration
RNG无需配置参数
四、Generate Code
代码
先判断标志位RNG_FLAG_DRDY,随机数发生器中是否生成随机数,再使用HAL_RNG_GetRandomNumber获取随机数.
int main(void)
{
/* USER CODE BEGIN 1 */
uint16_t count = 0;
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_RNG_Init();
/* USER CODE BEGIN 2 */
while(__HAL_RNG_GET_FLAG(&hrng, RNG_FLAG_DRDY) && count < 1000)
count++;
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if(count < 1000)
num = HAL_RNG_GetRandomNumber(&hrng);
HAL_Delay(2000);
}
/* USER CODE END 3 */
}