標題: HK32F030M單片機FASH讀寫程序 [打印本頁]
作者: sr861126    時間: 2024-3-4 17:09
標題: HK32F030M單片機FASH讀寫程序
    Demo例程
  1. int main(void)
  2. {
  3.   /*!< At this stage the microcontroller clock setting is already configured,
  4.        this is done through SystemInit() function which is called from startup
  5.        file (KEIL_startup_hk32f030m.s) before to branch to application main.
  6.        To reconfigure the default setting of SystemInit() function, refer to
  7.        system_hk32f030m.c file
  8.      */
  9.   
  10.   uint16_t i;
  11.   
  12.   /* Inser delay time for debug purpose */
  13.   Delay(0xFFFFF);
  14.   
  15.   HK_EVAL_LEDInit(LED1);
  16.   HK_EVAL_LEDToggle(LED1);
  17.   
  18.   for(i=0; i<512; i++)
  19.   {
  20.     Write_Data[i] = 0xAB;
  21.   }
  22.   
  23.   Write_Data_To_Flash(FLASH_USER_START_ADDR, Write_Data, 512);
  24.   
  25.   Read_Data_From_Flash(FLASH_USER_START_ADDR, Read_Data, 512);


  28.   /* Infinite Loop */
  29.   while (1)
  30.   {
  31.    
  32.     HK_EVAL_LEDToggle(LED1);
  33.     Delay(0xFFFFF);
  34.         
  35.   }
  36. }


  39. //從指定地址寫入數(shù)據(jù)
  40. void Write_Data_To_Flash(uint32_t address, uint8_t* data, uint16_t size)
  41. {
  42.   
  43.   uint8_t Temp;
  44.   
  45.   /* Unlock the Flash to enable the flash control register access *************/
  46.   FLASH_Unlock();

  48.   /* Erase the user Flash area
  49.      (area defined by FLASH_USER_START_ADDR and FLASH_USER_END_ADDR) *********/

  51.   /* Clear pending flags (if any) */
  52.   FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_WRPERR);

  54.   /* Define the number of page to be erased */
  55.   NbrOfPage = size / FLASH_PAGE_SIZE;

  57.   /* Erase the FLASH pages */
  58.   for(EraseCounter = 0; (EraseCounter <= NbrOfPage) && (FLASHStatus == FLASH_COMPLETE); EraseCounter++)
  59.   {
  60.     if(FLASH_ErasePage(FLASH_USER_START_ADDR + (FLASH_PAGE_SIZE * EraseCounter)) != FLASH_COMPLETE)
  61.     {
  62.       /* Error occurred while sector erase.
  63.           User can add here some code to deal with this error */
  64.       while(1)
  65.       {
  66.       }
  67.     }
  68.   }

  70.   /* Program the user Flash area half-word by half-word
  71.     (area defined by FLASH_USER_START_ADDR and FLASH_USER_END_ADDR) ***********/  
  72.   uint16_t i=0;  
  73.   FLASH_USER_END_ADDR = address + size;
  74.   while (address < FLASH_USER_END_ADDR)
  75.   {
  76.    
  77.     Temp = data[i];
  78.    
  79.     if (FLASH_ProgramByte(address, Temp) == FLASH_COMPLETE)
  80.     {
  81.       address = address + 1;
  82.     }
  83.     else
  84.     {
  85.       /* Error occurred while writing data in Flash memory.
  86.          User can add here some code to deal with this error */
  87.       while (1)
  88.       {
  89.       }
  90.     }
  91.    
  92.     i++;        
  93.   }

  95.   /* Lock the Flash to disable the flash control register access (recommended
  96.      to protect the FLASH memory against possible unwanted operation) *********/
  97.   FLASH_Lock();  
  98.   
  99.   
  100. }





  106. //從指定地址讀取數(shù)據(jù)
  107. void Read_Data_From_Flash(uint32_t address, uint8_t* data, uint16_t size)
  108. {
  109.   uint16_t i=0;  
  110.   FLASH_USER_END_ADDR = address + size;
  111.   while (address < FLASH_USER_END_ADDR)
  112.   {
  113.     data[i] = *(uint32_t*)address;
  114.     address = address + 1;
  115.    
  116.     i++;
  117.   }
  118.       
  119.   for(i=0; i<512; i++)
  120.   {
  121.     if( Write_Data[i] != Read_Data[i] )
  122.     {      
  123.       //讀取錯誤處理
  124.       MemoryProgramStatus = FAILED;
  125.       while(1);            
  126.     }      
  127.   }      
  128. }
復制代碼

原理圖: 無
仿真: 無
代碼: HK32F030M-FLASH.7z (1.03 MB, 下載次數(shù): 4)




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