flash.lst

矿工定位系统单端

C51 COMPILER V7.05   FLASH                                                                 12/20/2004 15:31:08 PAGE 1   


C51 COMPILER V7.05, COMPILATION OF MODULE FLASH
OBJECT MODULE PLACED IN flash.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE flash.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include "REG51F.H"
   2          #include "flash.h"
   3          #include "string.h"
   4          #include "stdio.h"
   5          #include "intrins.h"
   6          
   7          
   8          
   9          
  10          /***********************************************************************
  11          * Function name : Flash_Sector_Erase                                    *
  12          * Input         : unsigned char, (Sector number selected)                                                               *
  13          * Output        : bit, (0->operation fail, 1->operation successful)                             *               
  14          * Description   : This function will perform a sector erase on the                      *
  15          *                 sector number (sec_no) of the selected (CS) flash                                                             *
  16          *                 memory device. 1 sector is 64Kbytes The operation will                                *
  17          *                 roughly take 2 seconds for 1 sector. All paging to the                                                *
  18          *                 CPLD is done in this function.                                                                                                                                                *
  19          * Caution!      ; Do not perform this operation on program flash memory                 *
  20          *                 while running program on the program flash.                                                                                           *               
  21          ************************************************************************/
  22          bit Flash_Sector_Erase (unsigned char data sec_no)
  23          {  
  24   1       
  25   1         unsigned int  data addr;
  26   1         addr=(unsigned int )sec_no*512;
  27   1         ISPFD=0X55;
  28   1         ISPFD=0XAA;
  29   1         ISPFD=0X55;
  30   1         SCONF=0X04;  //OPEN ISP
  31   1         ISPFAH=(addr&0xFF00)>>8;
  32   1         ISPFAL=addr&0x00ff;
  33   1         ISPC=0XA2;
  34   1      
  35   1      return 1;
  36   1      
  37   1      }
  38          /************************************************************************
  39          * Function name : Flash_Write                                                                           *
  40          * Input         : union ADDRESS, (32bit address location)                                                               *
  41          *                 unsigned char, (Data to be written                                                                                                                            *
  42          * Output        : bit, (0->operation fail, 1->operation successful)                             *               
  43          * Description   : This function will perform a prgramming on the                                *
  44          *                 selected (CS) flash memory device. 1 byte of data is                                                  *
  45          *                 being written to the location (Address). All paging to                                                *
  46          *                 the CPLD is done in this function.                                                                                                                    *
  47          * Caution!      ; Make sure the location to be program is eraseed (0xFF)                *
  48          *                 before calling this function                                                                                                                                                  *  
  49          *                 Do not perform this operation on program flash memory                                                 *
  50          *                 while running program on the program flash.                                                                                           *               
  51          ************************************************************************/
  52          bit Flash_Write (unsigned int Address, unsigned char data *_data,unsigned char data len)
  53          {
  54   1         unsigned char data i;
  55   1           
C51 COMPILER V7.05   FLASH                                                                 12/20/2004 15:31:08 PAGE 2   

  56   1         ISPFD=0X55;
  57   1         ISPFD=0XAA;
  58   1         ISPFD=0X55;
  59   1         SCONF=0X04;  //OPEN ISP      
  60   1            ISPFAH=Address>>8;
  61   1         ISPFAL= Address;
  62   1         ISPFD=*_data;
  63   1         ISPC=0XA0;
  64   1          for(i=0;i<len;i++)
  65   1              {
  66   2                 ISPFAH=Address>>8;
  67   2             ISPFAL= Address;
  68   2             ISPFD=*_data;
  69   2             ISPC=0XA0;
  70   2             Address++;
  71   2             _data++;
  72   2              }
  73   1      
  74   1                      return 1;
  75   1      }
  76            


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     92    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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