text1.lst

单片机快速入门原程序

C51 COMPILER V7.50   TEXT1                                                                 05/28/2006 21:55:59 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: e:\Keil\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          #include<stdio.h>
   3          #define DAC083201Addr 0xDFFFF //第一片0832地址
   4          #define DAC083202Addr 0xBFFFF //第二片0832地址
   5          #define DAC0832Addr     0x7FFFF //转换时写入地址
   6          #define uchar unsigned char     //uchar代表单个字节无符号数
   7          #define uint unsigned int       //uint无符号字
   8          Uart_Init();                            //输出口初始化
   9          sbit P25=0xA5;                          //P2.5位
  10          sbit P26=0xA6;                          //P2.6位
  11          sbit P27=0xA7;                          //P2.7位        
  12          void WriteToChip1(uchar c0832data);//
  13          void WriteToChip2(uchar c0832data);//
  14          void TransformData(uchar c0832data);//转换数据
  15          void Delay() ;                           //延时子程序
  16          main()
  17          {       xdata cDigital1=0;      //芯片1待转换数字量
  18   1              xdata cDigital2=0;      //芯片2待转换数字量
  19   1              Uart_Init();    //
  20   1              P0=0XFF;                //端口初始化为0xFF
  21   1              P1=0XFF;                //
  22   1              P2=0XFF;
  23   1              P3=0XFF;
  24   1              Delay();                //调用延时程序
  25   1      //      while(1)
  26   1              {cDigital1=0x80;
  27   2               cDigital2=0xFF;
  28   2              WriteToChip1(cDigital1);//向芯片1写入数据
  29   2              WriteToChip2(cDigital2);//向芯片2写入数据
  30   2              TransformData(0x00);    //开始转换
  31   2              printf("Chip 1 converted  is %d \n",cDigital1);
  32   2              printf("Chip 2 converted  is %d \n",cDigital2);
  33   2              }
  34   1              while(1);
  35   1      }
  36          void WriteToChip1(uchar c0832data)
  37                  {
  38   1                      *((uchar xdata *)DAC083201Addr)=c0832data;
  39   1                      //向DAC0832芯片1写入数据
  40   1              }
  41          void WriteToChip2(uchar c0832data)
  42                  {
  43   1                      *((uchar xdata *)DAC083202Addr)=c0832data;
  44   1                      //向DAC0832芯片1写入数据
  45   1              }
  46          void TransformData(uchar c0832data)
  47                  {
  48   1                      *((uchar xdata *)DAC0832Addr)=c0832data;
  49   1                      //启动转换
  50   1              }
  51          Uart_Init()
  52                  {SCON = 0x52;    /* 设置串行口控制寄存器SCON*/
  53   1               TMOD = 0x21;    /* 12M时钟时波特率为2400  */
  54   1               TCON = 0x69;    /* TCON */
  55   1               TH1 =  0xf3;    /* TH1 */
C51 COMPILER V7.50   TEXT1                                                                 05/28/2006 21:55:59 PAGE 2   

  56   1              }
  57          void Delay()    //延时程序
  58          {       uint i;
  59   1              for(i=0;i<200;i++);
  60   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    154    ----
   CONSTANT SIZE    =     52    ----
   XDATA SIZE       =   ----       4
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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