main.lst

５１实例大全

C51 COMPILER V7.06   MAIN                                                                  06/02/2010 14:54:53 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN .\obj\main.obj
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND PRINT(.\obj\main.lst) OBJECT(.\obj\main.ob
                    -j)

stmt level    source

   1          /*-----------------------------------------------
   2            名称：IIC协议 PCF8591 AD/DA转换
   3            论坛：www.doflye.net
   4            编写：shifang
   5            修改：无
   6            内容：使用4路AD中的4路检测外部模拟量输入
   7          ------------------------------------------------*/  
   8          #include <reg52.h>                
   9          #include "i2c.h"
  10          #include "delay.h"
  11          #include "display.h"
  12          
  13          #define AddWr 0x90   //写数据地址 
  14          #define AddRd 0x91   //读数据地址
  15          
  16          extern bit ack;
  17          bit WriteDAC(unsigned char dat);
  18          /*------------------------------------------------
  19                        主程序
  20          ------------------------------------------------*/
  21          main()
  22          {
  23   1       unsigned char num=0;
  24   1       Init_Timer0();
  25   1       while (1)         //主循环
  26   1        {
  27   2       WriteDAC(num);
  28   2       num++;
  29   2       TempData[0]=dofly_DuanMa[num/100];    
  30   2       TempData[1]=dofly_DuanMa[(num%100)/10];
  31   2       TempData[2]=dofly_DuanMa[(num%100)%10];
  32   2       DelayMs(100);
  33   2        }
  34   1      }
  35          
  36          /*------------------------------------------------
  37                         写入DA转换数值
  38          输入参数：dat 表示需要转换的DA数值，范围是0-255
  39          ------------------------------------------------*/
  40          bit WriteDAC(unsigned char dat)
  41          {
  42   1         Start_I2c();               //启动总线
  43   1         SendByte(AddWr);             //发送器件地址
  44   1           if(ack==0)return(0);
  45   1         SendByte(0x40);            //发送器件子地址
  46   1           if(ack==0)return(0);
  47   1         SendByte(dat);             //发送数据
  48   1           if(ack==0)return(0);
  49   1         Stop_I2c();  
  50   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     97    ----
C51 COMPILER V7.06   MAIN                                                                  06/02/2010 14:54:53 PAGE 2   

   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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