10.2.lst

单片机C语言编程与实例源代码

C51 COMPILER V6.20c  10_2                                                                  09/02/2001 15:02:37 PAGE 1   


C51 COMPILER V6.20c, COMPILATION OF MODULE 10_2
OBJECT MODULE PLACED IN 10.2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 10.2.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<absacc.h>
   2          #include<math.h>
   3          #include<reg51.h>
   4          #define uint unsigned int
   5          #define uchar unsigned char
   6          
   7          
   8          sbit P2_5=P2^5;
   9          sbit P2_6=P2^6;
  10          sbit P2_7=P2^7;
  11          uint Datr;
  12          uint ee;
  13          
  14          void DATrans(uint DATA);
  15          void main()
  16          {
  17   1        while(1)
  18   1      {
  19   2         DATrans(Datr);
  20   2      }
  21   1      }
  22          void DATrans(uint DATA)
  23          {
  24   1        uchar j,i=0;
  25   1        uint Datr;
  26   1        P2_7=0;
  27   1        P2=P2&0xdf;						//片选CS置低电平
  28   1        for(i=0;i<16;i++)
  29   1        {
  30   2          P2_7=0;
  31   2          P2=P2&0xbf;
  32   2          Datr=0x3000+(DATA&0xfff);     	//送入待转换的数字量，并选中A通道输出
  33   2          Datr=((Datr>>(15-ee))&0x01)<<6;
  34   2          P2=P2|Datr;					//数据串行输入DIN口
  35   2          P2_7=0;						/*设*/
  36   2      P2_7=0;						/*定*/
  37   2      P2_7=0; 						/*SCLK*/
  38   2      P2_7=0; 						/*的*/
  39   2      P2_7=0; 						/*周*/
  40   2      P2_7=1; 						/*期*/
  41   2      }
  42   1      P2_7=0;
  43   1      P2=P2|0x20;						//CS置高电平，结束转换
  44   1      for(j=0;j<254;j++);					//延时
  45   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    108    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
C51 COMPILER V6.20c  10_2                                                                  09/02/2001 15:02:37 PAGE 2   

END OF MODULE INFORMATION.


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