stc_eeprom.lst

里面包含了LCD显示

C51 COMPILER V7.50   STC_EEPROM                                                            09/17/2007 09:47:26 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE STC_EEPROM
OBJECT MODULE PLACED IN stc_eeprom.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE stc_eeprom.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          #include "io.h"
   3          #define  stc_eeprom_c
   4          sfr isp_data=0xe2;
   5          sfr isp_addrh=0xe3;
   6          sfr isp_addrl=0xe4;
   7          sfr isp_cmd=0xe5;
   8          sfr isp_trig=0xe6;
   9          sfr isp_contr=0xe7;
  10          
  11          
  12          unsigned char eeprom_read(unsigned int addres);
  13          void eeprom_write(unsigned int address,unsigned char wdata);
  14          void eeprom_eares(unsigned int addres);
  15          
  16          //****************************************************
  17          //function：       
  18          //input   ：无
  19          //output  ：无    
  20          //modify  ：2007-9-11     
  21          //*****************************************************
  22          void eeprom_eares(unsigned int addres)
  23               {
  24   1                unsigned i;
  25   1            isp_addrh=(uchar)(addres>>8); 
  26   1            isp_addrl=(uchar)addres;     
  27   1            isp_contr=0x01; 
  28   1            isp_contr=isp_contr|0x80; 
  29   1            isp_cmd=0x03;
  30   1                EA=0;        
  31   1            isp_trig=0x46;       
  32   1            isp_trig=0xb9;       
  33   1            for(i=0;i<3;i++);
  34   1                EA=1;
  35   1            isp_addrl=0xff;
  36   1            isp_addrh=0xff;
  37   1            isp_contr=0x00;
  38   1            isp_cmd=0x00;
  39   1            isp_trig=0x00;
  40   1          
  41   1          }
  42          
  43          //****************************************************
  44          //function：       
  45          //input   ：无
  46          //output  ：无    
  47          //modify  ：2007-9-11    
  48          //*****************************************************
  49          void eeprom_write(unsigned int addres,unsigned char write_data)
  50               {unsigned char i;
  51   1            isp_data=write_data; 
  52   1            isp_addrh=addres>>8; 
  53   1            isp_addrl=addres;      
  54   1            isp_contr=0x01; 
  55   1            isp_contr=isp_contr|0x80; 
C51 COMPILER V7.50   STC_EEPROM                                                            09/17/2007 09:47:26 PAGE 2   

  56   1            isp_cmd=0x02;  
  57   1                EA=0;      
  58   1            isp_trig=0x46;        
  59   1            isp_trig=0xb9;       
  60   1            for(i=0;i<3;i++);
  61   1                EA=1;
  62   1            isp_addrl=0xff;
  63   1            isp_addrh=0xff;
  64   1            isp_contr=0x00;
  65   1            isp_cmd=0x00;
  66   1            isp_trig=0x00;     
  67   1            }
  68          
  69          //****************************************************
  70          //function：       
  71          //input   ：无     
  72          //output  ：无    
  73          //modify  ：2007-9-11    
  74          //*****************************************************
  75          unsigned char eeprom_read(unsigned int addres)
  76               {unsigned char i,z;
  77   1            isp_addrh=addres>>8;
  78   1            isp_addrl=addres;                
  79   1            isp_contr=0x01; 
  80   1            isp_contr=isp_contr|0x80; 
  81   1            isp_cmd=0x01; 
  82   1                EA=0;       
  83   1            isp_trig=0x46;       
  84   1            isp_trig=0xb9;        
  85   1            for(i=0;i<3;i++);
  86   1            isp_addrl=0xff;
  87   1            isp_addrh=0xff;
  88   1            isp_contr=0x00;
  89   1            isp_cmd=0x00;
  90   1            isp_trig=0x00;
  91   1            z=isp_data;
  92   1                EA=1;
  93   1            return(z);
  94   1           
  95   1          
  96   1           }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    153    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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