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我下载了ST公司官网的最新stm32cube图形化配置软件，并使用它来配置我的F407-discovery开发板，使用了PortD.12与PortD.13两个引脚控制2个LED灯。我在main函数里添加了闪烁D.13的LED灯，但是实际并没有观察到LED灯在反转。求助各位了~~~

int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration----------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); /* Configure the system clock */ SystemClock_Config(); /* Initialize all configured peripherals */ MX_GPIO_Init(); /* USER CODE BEGIN 2 */ /* USER CODE END 2 */ HAL_GPIO_TogglePin(GPIOD, GPIO_PIN_13 ); HAL_GPIO_TogglePin(GPIOD, GPIO_PIN_13 ); /* Code generated for FreeRTOS */ /* Create Start thread */ osThreadDef(USER_Thread, StartThread, osPriorityNormal, 0, 2 * configMINIMAL_STACK_SIZE); osThreadCreate (osThread(USER_Thread), NULL); /* Start scheduler */ osKernelStart(NULL, NULL); /* We should never get here as control is now taken by the scheduler */ /* USER CODE BEGIN 3 */ /* Infinite loop */ while (1) { } /* USER CODE END 3 */ }

这里非常感谢大家帮忙！

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