temp.lst

基于51系列单片机的介绍IIC的原理与应用的软件设计

C51 COMPILER V7.06   TEMP                                                                  12/24/2007 19:03:38 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE TEMP
OBJECT MODULE PLACED IN Temp.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Temp.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg52.h>
   2          /*************************************************
   3                  引用外部函数
   4          **************************************************/
   5          extern WRBYTES(unsigned masteraddr,unsigned char Ramaddr,char buf[],unsigned char num,bit wr);
   6          
   7          sbit LED_DIG = P1^3;
   8          sbit LED_COM = P1^2;
   9          unsigned char counter = 0;
  10          unsigned int Temp;
  11          unsigned char Disbuf[] = {0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a,0x0a};     //显示初始化，全部消隐
  12          unsigned char code DisCode[] = {0x0C0,0xF9,0xA4,0xB0,0x99,0x92,
  13                                                                          0x82,0xF8,0x80,0x90,0xFF};
  14                                                                          //共阳极数码管码表，定位在ROM中
  15          /********************************
  16                  显示延时
  17          *********************************/
  18          void Delay(void)
  19          {
  20   1              unsigned char i = 200;
  21   1              while(i--);
  22   1      }
  23          /********************************
  24                  带参数传递的显示程序
  25          *********************************/
  26          void Display(unsigned char Dat[8])
  27          {
  28   1              static unsigned char i = 0;
  29   1              unsigned LED_Posit = 0x01;
  30   1              for(i = 0;i<8;i++)
  31   1              {
  32   2                      if(i==1)
  33   2                              P0 = DisCode[Dat[i]]&0x7f;      //送段选
  34   2                      else
  35   2                              P0 = DisCode[Dat[i]];   //送段选
  36   2                      LED_DIG = 1;
  37   2                      LED_DIG = 0;
  38   2                      P0 = LED_Posit;                         //选通一个数码管
  39   2                      LED_COM = 1;
  40   2                      LED_COM = 0;
  41   2                      Delay();
  42   2                      P0 = 0;                         //消隐
  43   2                      LED_COM = 1;
  44   2                      LED_COM = 0;
  45   2                      LED_Posit<<=1;
  46   2              }
  47   1      }
  48          
  49          /******************************
  50                  读温度植
  51          ********************************/
  52          void GetTemp()
  53          {
  54   1                      WRBYTES(0x90,0x00,Disbuf,2,1);
  55   1                      Temp = Disbuf[0];
C51 COMPILER V7.06   TEMP                                                                  12/24/2007 19:03:38 PAGE 2   

  56   1                      Temp<<=8;
  57   1                      Temp+=Disbuf[1];
  58   1                      Temp>>=7;
  59   1                      Temp*=10;
  60   1                      Temp /= 2;
  61   1                      Disbuf[2] = Temp/100;
  62   1                      Disbuf[1] = (Temp%100)/10;
  63   1                      Disbuf[0] = Temp%10;
  64   1      
  65   1      }
  66          /*************************************
  67                  主函数
  68          **************************************/
  69          main()
  70          {unsigned char i;
  71   1              /*TMOD = 0x01;
  72   1              TR0 = 1;
  73   1              ET0=EA=1;*/
  74   1              while(1)
  75   1              {
  76   2                      for(i=0;i<250;i++)
  77   2                      Display(Disbuf);   //必须等待一段时间再读，否则会打断转换
  78   2                      
  79   2                      GetTemp();
  80   2              }
  81   1      }
  82          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    262    ----
   CONSTANT SIZE    =     11    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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