【iCore4 双核心板_ARM】例程三十八：DSP MATH库测试

实验现象：

核心代码：

int main(void)
{

  /* USER CODE BEGIN 1 */
    int i,j;
    int res;
    float time[];
    static int error_flag = ;
  /* 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_USART6_UART_Init();
  MX_TIM3_Init();

  /* USER CODE BEGIN 2 */
    usart6.initialize();
    usart6.printf("\x0c");                                                                                              //ÇåÆÁ
    usart6.printf("\033[1;32;40m");                                       //ÉèÖÃÖÕ¶Ë×ÖÌåΪÂÌÉ«
    usart6.printf("Hello, I am iCore4!\r\n\r\n");
    usart6.printf("DSP BasicMath TEST......\r\n");
  /* USER CODE END 2 */

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

  /* USER CODE BEGIN 3 */
        timeout = ;
        __HAL_TIM_SET_COUNTER(&htim3,);
        for(j = ;j < ;j++){
            for(i = ;i < MAX_BLOCKSIZE;i ++){
                res = SinCos_Test(testInput_f32[i],);
                if(res != )error_flag ++;
            }
        }
        time[] = __HAL_TIM_GET_COUNTER(&htim3)+ timeout*;

        timeout = ;
        __HAL_TIM_SET_COUNTER(&htim3,);
        for(j = ;j < ;j++){
            for(i = ;i < MAX_BLOCKSIZE;i ++){
                res = SinCos_Test(testInput_f32[i],);
                if(res != )error_flag ++;
            }
        }
        time[] = __HAL_TIM_GET_COUNTER(&htim3)+ timeout*;

        if(error_flag == ){
            usart6.printf("*NO DSP MATHLIB runtime:%0.1fms *USE DSP MATHLIB runtime:%0.1fms\r",time[] / , time[] / );
            LED_GREEN_ON;
            LED_RED_OFF;
            LED_BLUE_OFF;
        }
        else{
            usart6.printf("Error\r");
            LED_GREEN_OFF;
            LED_RED_ON;
            LED_BLUE_OFF;
        }
  }
  /* USER CODE END 3 */

}

源代码下载链接：

链接：http://pan.baidu.com/s/1cq9WSI 密码：hyc2

iCore4链接：