resetcounter.lst

TI 集成高性能24位A/D转换器的8052 核心单片机MSC1210 DATA区的FLASH读写代码。

C51 COMPILER V7.07   RESETCOUNTER                                                          10/27/2003 16:10:06 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE RESETCOUNTER
OBJECT MODULE PLACED IN ResetCounter.OBJ
COMPILER INVOKED BY: e:\Keil\C51\BIN\C51.EXE ResetCounter.c MODDP2 DEBUG OBJECTEXTEND

stmt level    source

   1          #include <stdio.h>
   2          #include <reg1210.h>
   3          #include "rom1210.h"
   4          
   5          // define the page we want to modify
   6          #define PAGE_START      0x0400
   7          #define PAGE_SIZE       0x80
   8          
   9          // define a pointer to this page
  10          char xdata * pFlashPage;
  11          
  12          // define a RAM area as a buffer to hold one page
  13          char xdata Buffer[PAGE_SIZE];
  14          
  15          int main()
  16          {
  17   1              char Result;
  18   1              unsigned char i;
  19   1      
  20   1              pFlashPage = (char xdata * ) PAGE_START;
  21   1      
  22   1              // before writing the flash, we have to initialize
  23   1              // the usec and msec SFRs because the flash programming 
  24   1              // routines rely on these SFRs
  25   1              USEC  = 12-1;   // assume a 12 MHz clock
  26   1              MSEC = 12000-1;
  27   1      
  28   1              // copy the page from FLASH to RAM
  29   1              for(i=0;i<PAGE_SIZE;i++)
  30   1                      Buffer[i] = *pFlashPage++;
  31   1              // increment the counter
  32   1              Buffer[0] += 1;
  33   1      
  34   1              // now erase the page
  35   1              page_erase(PAGE_START, 0xff, DATA_FLASH);
  36   1      
  37   1              Result = 0;
  38   1              // and write the modified contents back into flash
  39   1              for(i=0;i<PAGE_SIZE;i++)
  40   1                      Result |= write_flash_chk (PAGE_START+i, Buffer[i], DATA_FLASH);
  41   1      
  42   1              // synchronize baud rate
  43   1              autobaud();
  44   1              printf("Writing flash returned %d\n", (int)Result);
  45   1      
  46   1              // re-read the counter
  47   1              pFlashPage = (char xdata *) PAGE_START;
  48   1              printf("Reset counter is now %d\n", (int)(*pFlashPage));
  49   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    167    ----
   CONSTANT SIZE    =     52    ----
   XDATA SIZE       =    128    ----
C51 COMPILER V7.07   RESETCOUNTER                                                          10/27/2003 16:10:06 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)