i2c_24wc02_rw.lst

C51编写的通过I2C对24C02读写试验

C51 COMPILER V7.09   I2C_24WC02_RW                                                         02/28/2008 23:18:08 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE I2C_24WC02_RW
OBJECT MODULE PLACED IN I2C_24WC02_RW.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE I2C_24WC02_RW.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          #include "reg51.h"
   3          #include "VI2C_C51.h"
   4          
   5          #define uchar unsigned char
   6          extern bit ack;
   7          
   8          uchar *ww;
   9          uchar ee[10];
  10          sbit SendState=P0^0;
  11          sbit ReadState=P0^1;
  12          
  13          bit NSend(uchar sla, uchar suba, uchar *a, uchar no);
  14          bit NRead(uchar sla, uchar suba, uchar *a, uchar no);
  15          void delay();
  16          
  17          main()
  18          {
  19   1              bit ret1, ret2;
  20   1              int j;
  21   1              ww=ee;  
  22   1              for(j=0;j<10;j++)
  23   1              {
  24   2              ww[j]=j;
  25   2              }
  26   1              ret1=NSend(0xA0, 0x00, "0123456789",10);
  27   1              delay();
  28   1              ret2=NRead(0xA0, 0x00, ww, 10);
  29   1              SendState=ret1;
  30   1              ReadState=ret2;
  31   1      
  32   1              while(1){
  33   2              P2=ww[0];
  34   2              delay();
  35   2              delay();
  36   2              P2=ww[1];
  37   2              delay();
  38   2              delay();
  39   2              P2=ww[2];
  40   2              delay();
  41   2              delay();
  42   2              P2=ww[3];
  43   2              delay();
  44   2              delay();
  45   2              P2=ww[4];
  46   2              delay();
  47   2              delay();
  48   2              P2=ww[5];
  49   2              delay();
  50   2              delay();
  51   2              P2=ww[6];
  52   2              delay();
  53   2              delay();
  54   2              P2=ww[7];
  55   2              delay();
C51 COMPILER V7.09   I2C_24WC02_RW                                                         02/28/2008 23:18:08 PAGE 2   

  56   2              delay();}
  57   1      }
  58          
  59          void delay()
  60          {
  61   1              int i=0;
  62   1              while(i<20000) i++;
  63   1              i=0;
  64   1              while(i<20000) i++;
  65   1              i=0;
  66   1              while(i<20000) i++;
  67   1              i=0;
  68   1              while(i<20000) i++;
  69   1      }
  70          
  71          bit NSend(uchar sla, uchar suba, uchar *a, uchar no)
  72          {
  73   1              uchar i;
  74   1              Start_I2c();
  75   1              SendByte(sla);
  76   1              if(ack==0) return (0);
  77   1              SendByte(suba);
  78   1              if(ack==0) return (0);
  79   1              for(i=0;i<no;i++)
  80   1              {
  81   2                      SendByte(*a);
  82   2                      if(ack==0)return(0);
  83   2                      a++;
  84   2              }
  85   1         Stop_I2c();
  86   1         return(1);
  87   1      }
  88          
  89          bit NRead(uchar sla, uchar suba, uchar *a, uchar no)
  90          {
  91   1              uchar i;
  92   1              Start_I2c();
  93   1              SendByte(sla);
  94   1              if(ack==0) return (0);
  95   1              SendByte(suba);
  96   1              if(ack==0) return (0);
  97   1              Start_I2c();
  98   1              SendByte(sla+1);
  99   1              if(ack==0) return (0);
 100   1              for(i=0;i<no-1;i++)
 101   1              {
 102   2                      *a = RcvByte();
 103   2                      Ack_I2c(0);
 104   2                      a++;
 105   2              }
 106   1              *a = RcvByte();
 107   1              Ack_I2c(1);
 108   1         Stop_I2c();
 109   1         return(1);
 110   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    463    ----
   CONSTANT SIZE    =     11    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
C51 COMPILER V7.09   I2C_24WC02_RW                                                         02/28/2008 23:18:08 PAGE 3   

   DATA SIZE        =     13      14
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       2
END OF MODULE INFORMATION.


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