8583.lst

时钟芯片PCF8583的应用

C51 COMPILER V8.08   8583                                                                  09/08/2008 10:51:48 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE 8583
OBJECT MODULE PLACED IN 8583.OBJ
COMPILER INVOKED BY: D:\Program Files\Keil\C51\BIN\C51.EXE 8583.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include<intrins.h>
   3          #define nop4() _nop_();_nop_();_nop_();_nop_();  
   4          #define nop5() _nop_();_nop_();_nop_();_nop_();_nop_();
   5          #define rAdd 0xa1
   6          #define wAdd 0xa0
   7          
   8          typedef unsigned char uchar;
   9          sbit VSCL = P3^6;
  10          sbit VSDA = P3^7;
  11          uchar bdata rechar;
  12          sbit  one = rechar^0;
  13          
  14          void AckIIC()
  15          {
  16   1              VSDA = 0;
  17   1              VSCL = 1;
  18   1              nop4();
  19   1              VSCL = 0;
  20   1              VSDA = 1;
  21   1      }
  22          
  23          void StartIIC()
  24          {
  25   1              VSDA = 1;//hi
  26   1              VSCL = 1;
  27   1              nop4();
  28   1              VSDA = 0;//low
  29   1              nop4();
  30   1              VSCL = 0;
  31   1      }
  32          
  33          void StopIIC()
  34          {
  35   1              VSDA = 0;
  36   1              VSCL = 1;
  37   1              nop4();
  38   1              VSDA = 1;
  39   1              nop5();
  40   1              VSDA = 0;
  41   1              VSCL = 0;
  42   1      }
  43          
  44          bit CheckAckIIC()
  45          {
  46   1              bit flag;//有效为真
  47   1              VSDA = 1;//prepare to read 
  48   1              VSCL = 1;//
  49   1              flag = ~VSDA;//low ia avalible
  50   1              VSCL = 0;
  51   1              return flag;
  52   1              
  53   1      }
  54          
  55          void SendByteIIC(char schar)
C51 COMPILER V8.08   8583                                                                  09/08/2008 10:51:48 PAGE 2   

  56          {
  57   1              unsigned char data i;
  58   1              for(i = 8;i!=0;--i)
  59   1              {
  60   2                      schar = schar<<1;
  61   2                      VSDA = CY;
  62   2                      VSCL = 1;
  63   2                      nop4();
  64   2                      VSCL = 0;
  65   2                      VSDA = 0;
  66   2              }
  67   1      }
  68          
  69          void WriteByteEE(uchar addr,uchar wChar)
  70          {
  71   1              StartIIC();
  72   1              SendByteIIC(wAdd);
  73   1              CheckAckIIC();
  74   1              SendByteIIC(addr);
  75   1              CheckAckIIC();
  76   1              SendByteIIC(wChar);
  77   1              CheckAckIIC();
  78   1              StopIIC();
  79   1      }
  80          
  81          void ReadByteIIC(uchar data * rchar)
  82          {
  83   1              uchar i;
  84   1              for(i = 8; i ;i --)
  85   1              {
  86   2                      rechar =  rechar<<1;
  87   2                      VSDA = 1;
  88   2                      VSCL = 1;    //make the data useful
  89   2              _nop_();
  90   2              _nop_();
  91   2                      one = VSDA; 
  92   2              VSCL = 0;
  93   2              }
  94   1          *rchar = rechar;
  95   1      }
  96          
  97          void ReadByteEE(uchar addr,uchar data * rchar)
  98          {
  99   1              StartIIC();
 100   1              SendByteIIC(wAdd);
 101   1              CheckAckIIC();
 102   1              SendByteIIC(addr);
 103   1              CheckAckIIC();
 104   1              StartIIC();
 105   1              SendByteIIC(rAdd);
 106   1              CheckAckIIC();
 107   1              ReadByteIIC(rchar);
 108   1              StopIIC();
 109   1      }
 110          
 111          void int1() interrupt 2
 112          {
 113   1              P1 = 0;
 114   1      }
 115          
 116          void main(){
 117   1              
C51 COMPILER V8.08   8583                                                                  09/08/2008 10:51:48 PAGE 3   

 118   1              IT1 = 0;
 119   1          EA = 1;
 120   1          EX1 = 1;
 121   1          INT1 = 1;
 122   1              WriteByteEE(0,0x80);
 123   1              WriteByteEE(4,0x00);
 124   1          WriteByteEE(3,0x00);
 125   1          WriteByteEE(2,0x00);
 126   1          WriteByteEE(1,0x00);
 127   1      
 128   1              WriteByteEE(5,0x00);
 129   1              WriteByteEE(6,0x00);
 130   1          
 131   1          WriteByteEE(8,0xB0);//每日闹钟
 132   1          WriteByteEE(9,0x00);
 133   1          WriteByteEE(0x0A,9);
 134   1          WriteByteEE(0x0B,0);
 135   1          WriteByteEE(0x0C,0);
 136   1          WriteByteEE(0x0D,0);
 137   1          WriteByteEE(0x0E,0);
 138   1              WriteByteEE(0,0x0C);
 139   1              while(1);
 140   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    277    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       1
END OF MODULE INFORMATION.


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