STM32F103C8T6(HAL库函数 - 内部Flash操作)

    64 KBytes大小
    
    
      
    
    AI写代码

    #define FLASH_START_ADDRESS (0x08000000 + FLASH_PAGE_SIZE * 20) //0~20页这20K用于存储你的程序
    #define FLASH_MAX_PAGE_NUM (64-1-20) // 0 ~ (63-20) 是最大的页码
    
    
      
      
    
    AI写代码

    static uint32_t GetPage(uint32_t Address)
    {
      for (int indx=0; indx<(FLASH_MAX_PAGE_NUM+1); indx++)
      {
    	  if((Address < (FLASH_START_ADDRESS + (FLASH_PAGE_SIZE *(indx+1))) ) && (Address >= (FLASH_START_ADDRESS + FLASH_PAGE_SIZE*indx)))
    	  {
    		  return (FLASH_START_ADDRESS + FLASH_PAGE_SIZE*indx);
    	  }
      }
    
      return 0;
    }
    
    
    
      
      
      
      
      
      
      
      
      
      
      
      
      
    
    AI写代码

    char *data = "hello FLASH from ControllerTech\
    			  This is a test to see how many words can we work with";
    
    uint32_t data2[] = {0x1,0x2,0x3,0x4,0x5,0x6,0x7,0x8,0x9};
    
    uint32_t Rx_Data[30];
    
    char string[100];
    
    int number = 123;
    
    float val = 123.456;
    
    float RxVal;
    
    
    int main()
    {
    ...
    printf("Hello World!\r\n");
    	Flash_Write_Data(GetPageFromPageNum(0) , (uint32_t *)data2, 9);
    	Flash_Read_Data(GetPageFromPageNum(0) , Rx_Data, 10);
    	printf ("RxData: { ");
    	for ( int i = 0; i < 9; ++i )
    	{
    		printf ("0x%X ", Rx_Data[i]);
    	}
    	printf ("};\r\n");
    	
    	int numofwords = (strlen(data)/4)+((strlen(data)%4)!=0);
      Flash_Write_Data(GetPageFromPageNum(1) , (uint32_t *)data, numofwords);
      Flash_Read_Data(GetPageFromPageNum(1) , Rx_Data, numofwords);
      Convert_To_Str(Rx_Data, string);
    	printf ("String: %s\r\n", string);
    	
    	Flash_Write_NUM(GetPageFromPageNum(2), number);
      RxVal = Flash_Read_NUM(GetPageFromPageNum(2));
    	printf ("Read Num_1: %f\r\n", RxVal);
    
      Flash_Write_NUM(GetPageFromPageNum(3), val);
      RxVal = Flash_Read_NUM(GetPageFromPageNum(3));
    	printf ("Read Num_2: %f\r\n", RxVal);
    ...
    }
    
    
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
    
    AI写代码