实验现象:
核心代码:
int main(void) { /* USER CODE BEGIN 1 */ int i; int j; FIL file; FATFS fatfs; //Âß¼Çý¶¯Æ÷µÄ¹¤×÷Çø static FRESULT res; //FRESULTº¯Êý¹«¹²½á¹û´úÂë unsigned char write_buffer[512]; //дÎļþ»º³åÇø unsigned char read_buffer[512]; //¶ÁÎļþ»º³åÇø unsigned int counter; /* 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(); MX_DMA_Init(); MX_SDIO_SD_Init(); MX_FATFS_Init(); MX_USART1_UART_Init(); SystemClock_Config(); /* USER CODE BEGIN 2 */ usart1.printf("x0c"); //ÇåÆÁ usart1.printf("