【iCore4 双核心板_ARM】例程三十三：SD_IAP_ARM实验——更新升级STM32

int main(void)

{

  /* USER CODE BEGIN 1 */

    int k;

    int cnt;

    unsigned int counter;

    unsigned long int ncounter = ;

    unsigned char buffer[];

    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_mount

    res = f_mount(&fatfs,"0:",);                                  //¸ø´ÅÅÌ·ÖÅäÅÌ·û

    if(res != RES_OK){

        LED_RED_OFF;

        led_trade();

    }    

    //f_open

    res = f_open(&fil,"0:/app.bin",FA_READ);                       //´ò¿ªapp.binÎļþ

    if(res != RES_OK){

        LED_RED_OFF;

        led_trade();

    }

    //f_lseek

    res = f_lseek(&fil,);                                         //½«Ö¸ÕëÒƶ¯µ½µÚÒ»¸öλÖÃ

    if(res != RES_OK){

        LED_RED_OFF;

        led_trade();

    }

    //дFlash

    while(ncounter < fil.fsize)

    {

    res = f_read(&fil,buffer,,&counter);                     //¶ÁÎļþ

        if(res != RES_OK){

            LED_RED_OFF;

            led_trade();

        }

        p = (unsigned long int *)buffer;

        for(k = ; k < counter / ; k++)

        {

            HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,APPLICATION_ADDRESS + ncounter,*(p + k));

          ncounter += ;

      }

  }

    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 ()

  {

  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */

  }

    start:

    //²âÊÔÓû§´úÂëÊÇ·ñ´ÓAPPLICATION_ADDRESS±»±à³Ì

        if (((*(__IO uint32_t*)APPLICATION_ADDRESS) & 0x2FFE0000 ) == 0x20000000){ 

            //ÌøתÖÁÓû§³ÌÐò

            JumpAddress = *(__IO uint32_t*) (APPLICATION_ADDRESS + );

            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 */

}