【iCore4 双核心板_ARM】例程八：定时器PWM实验——呼吸灯

int main(void)
{

/* USER CODE BEGIN 1 */
int brightness = 0;
float temp = 0.0;
int data = 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_TIM1_Init();

/* USER CODE BEGIN 2 */

/* USER CODE END 2 */

/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */

/* USER CODE BEGIN 3 */
HAL_Delay(30);
if(brightness == 100){
brightness = 0;
}
temp =  199 * (sin(2 * PI / 99.0 * brightness) * 0.5 + 0.5);
data = (int)temp;
set_compare(data);

brightness ++;
}
/* USER CODE END 3 */

}