at24c256.lst

通过AT89S52的I/O口模拟IIC接口,读写控制AT24C256,适用于AT24C64、AT24C256、At24C512

C51 COMPILER V7.07   AT24C256                                                              09/18/2006 15:01:01 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE AT24C256
OBJECT MODULE PLACED IN AT24C256.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE AT24C256.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg52.h>
   2          #include<absacc.h>
   3          #include<MY7219.h>
   4          #include<SerialPort.h>
   5          //#include<DS1302.h>
   6          #include<I2C.h>
   7          #include<I2C_EEPROM.h>
*** WARNING C173 IN LINE 59 OF I2C_EEPROM.H: missing return-expression
   8          //#include<28C64_6264.h>
   9          
  10          
  11          
  12          void Display_LED(unsigned char location,unsigned char *dat,unsigned char n)
  13          {
  14   1        unsigned char i;
  15   1        for(i=0;i<n;i++)
  16   1         {
  17   2           LED_Drive(location+i,dat[i]&0x0f);
  18   2          }   
  19   1      }
  20          
  21          /*
  22          void DisplayTimer(unsigned char LED_START,unsigned char *sec)
  23          { 
  24            unsigned char Timer[7],x,y;
  25            GetTimer(Timer);
  26          
  27            x=(Timer[2]&0xf0)>>4;
  28                   
  29            LED_Drive(LED_START,x);
  30          
  31            x=Timer[2]&0x0f;
  32            y=Timer[1]&0x0f;
  33            if(*sec!=Timer[0])
  34                    {
  35                      x+=0x80;
  36                                  y+=0x80;
  37                      *sec=Timer[0];
  38                    }
  39            LED_Drive(LED_START+1,x);
  40            LED_Drive(LED_START+2,(Timer[1]&0xf0)>>4);
  41            
  42           
  43            LED_Drive(LED_START+3,y);
  44            LED_Drive(LED_START+4,(Timer[0]&0xf0)>>4);
  45            LED_Drive(LED_START+5,Timer[0]&0x0f);
  46            
  47          }
  48          */
  49          void main()
  50          {
  51   1       unsigned char dat[16]={1,9,8,2,0,1,3,0,0,0,0x0a,0x0d,0x0c,0x0d,0x0e,0x0f}; 
  52   1      // unsigned char dd[6];
  53   1      /* 
  54   1      unsigned char code Time[7]={
C51 COMPILER V7.07   AT24C256                                                              09/18/2006 15:01:01 PAGE 2   

  55   1                                 0x04,//sec
  56   1                                 0x09,//min
  57   1                                 0x01,//hour
  58   1                                 0x01,//date
  59   1                                 0x02,//month
  60   1                                 0x05,//dat
  61   1                                 0x00,//year
  62   1                                 };
  63   1       */
  64   1       unsigned char  code Time2[]={0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x09,0x08};
  65   1       unsigned char c=0;
  66   1       XBYTE[0x03]=1;
  67   1       InitSerialPort0();                             
  68   1       Init_MAX7219();
  69   1       Cls();
  70   1      
  71   1       Display_LED(0,dat,6);
  72   1       Delay7219(3000);
  73   1       //Write_I2C_EEPROM(0,0x00,Time2,8);
  74   1       Delay7219(100);
  75   1      
  76   1      
  77   1       while(1)
  78   1       {  
  79   2           Read_I2C_EEPROM(0,0x02,dat,7);
  80   2               Display_LED(0,dat,6);
  81   2               Delay7219(1000);     }
  82   1      }
*** WARNING C280 IN LINE 64 OF AT24C256.C: 'Time2': unreferenced local variable
  83               
  84             


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    945    ----
   CONSTANT SIZE    =     73    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      48
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       2
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  2 WARNING(S),  0 ERROR(S)