int main(void)
{/* USER CODE BEGIN 1 */int k;int cnt;unsigned int counter;unsigned long int ncounter = 0;unsigned char buffer[1024];FIL fil;static FRESULT res;unsigned long int *p;/* 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();/* USER CODE BEGIN 2 */if(ARM_KEY_STATE == KEY_UP){goto start;    }LED_BLUE_ON;//SD¿¨³õʼ»¯if(BSP_SD_Init() != MSD_OK){led_trade();}//½âËøÄÚ´æ,²Á³ýÉÈÇø
    HAL_FLASH_Unlock();for(cnt = FLASH_SECTOR_2;cnt < FLASH_SECTOR_11;cnt ++){FLASH_Erase_Sector(cnt,OB_BOR_LEVEL3);    }LED_BLUE_OFF;LED_RED_ON;//f_mountres = f_mount(&fatfs,"0:",1);                                  //¸ø´ÅÅÌ·ÖÅäÅÌ·ûif(res != RES_OK){LED_RED_OFF;led_trade();}    //f_openres = f_open(&fil,"0:/app.bin",FA_READ);                       //´ò¿ªapp.binÎļþif(res != RES_OK){LED_RED_OFF;led_trade();}//f_lseekres = f_lseek(&fil,0);                                         //½«Ö¸ÕëÒƶ¯µ½µÚÒ»¸öλÖÃif(res != RES_OK){LED_RED_OFF;led_trade();}//дFlashwhile(ncounter < fil.fsize){res = f_read(&fil,buffer,1024,&counter);                     //¶ÁÎļþif(res != RES_OK){LED_RED_OFF;led_trade();}p = (unsigned long int *)buffer;for(k = 0; k < counter / 4; k++){HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,APPLICATION_ADDRESS + ncounter,*(p + k));ncounter += 4;}}HAL_FLASH_Lock();//ARM¸üÐÂÉý¼¶³É¹¦£¬ÂÌÉ«LEDµÆµãÁÁ
    LED_BLUE_OFF;LED_RED_OFF;LED_GREEN_ON;    /* USER CODE END 2 *//* Infinite loop *//* USER CODE BEGIN WHILE */while (1){/* USER CODE END WHILE *//* USER CODE BEGIN 3 */}start://²âÊÔÓû§´úÂëÊÇ·ñ´ÓAPPLICATION_ADDRESS±»±à³Ìif (((*(__IO uint32_t*)APPLICATION_ADDRESS) & 0x2FFE0000 ) == 0x20000000){ //ÌøתÖÁÓû§³ÌÐòJumpAddress = *(__IO uint32_t*) (APPLICATION_ADDRESS + 4);Jump_To_Application = (pFunction) JumpAddress;//³õʼ»¯Óû§³ÌÐòµÄ¶ÑÕ»Ö¸Õë__set_MSP(*(__IO uint32_t*) APPLICATION_ADDRESS);//ÌøתÖÁÓ¦ÓóÌÐò
            Jump_To_Application();}else{                led_trade();}/* USER CODE END 3 */}