1.lst

数据采集模拟端口选择

C51 COMPILER V7.00  1                                                                      04/29/2006 21:38:42 PAGE 1   


C51 COMPILER V7.00, COMPILATION OF MODULE 1
OBJECT MODULE PLACED IN 1.OBJ
COMPILER INVOKED BY: C:\安装程序\keil\C51\BIN\C51.EXE 1.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg51.h>
   2          #include<intrins.h>
   3          sbit sel_A=P1^1;
   4          sbit sel_B=P1^2;
   5          sbit sel_C=P1^3;
   6          unsigned char ABC;
   7          void timer_set();//定时器初始化函数
   8          void collection_data();//采集函数声明
   9          #define dalayNOP();{_nop_();_nop_();_nop_();_nop_();};
  10          //----------------------------------------------------------------------------
  11          #define on_system_interrupt();{EA=1;};//打开系统中断允许，与硬件有关
  12          #define off_system_interrupt();{EA=0;};//关掉系统中断允许，与硬件有关
  13          
  14          //----------------------------------------------------------------------------
  15          //函数名称：TIMER-SET
  16          //功能说明；设定定时器工作状态，与硬件有关
  17          //------------------------------------------------------------------------------
  18          
  19          void timer_set()
  20          {
  21   1        TMOD=0X22;//定时器1为工作模式2（8位自动重装）,0为模式2（8位自动重装）
  22   1        PCON=0X00;
  23   1        TH0=(256-100);//100微秒定时
  24   1        TL0=TH0;
  25   1        ET0=1;
  26   1      }
  27          
  28          //--------------------------------------------------------------------------------
  29          //函数名称：INTTIMER0（）
  30          //功能说明：定时器中断函数，与硬件有关，但不做处理，直接调用通用中断处理函数
  31          //---------------------------------------------------------------------------------
  32          
  33          void intTimer0()interrupt 1
  34          {
  35   1        off_system_interrupt();
  36   1        ABC++;
  37   1        sel_A=ABC&0x01;
  38   1        sel_B=ABC&0x02;
  39   1        sel_C=ABC&0x03;
  40   1        delayNOP();//定时消除抖动
*** WARNING C206 IN LINE 40 OF 1.C: 'delayNOP': missing function-prototype
  41   1        collection_data();
  42   1        on_system_interrupt();
  43   1      }
  44          
  45          //----------------------------------------------------------------------------------
  46          //函数名称：COLLECTION——DATA（
  47          //功能说明：数据采集子函数，与具体应用有关
  48          //----------------------------------------------------------------------------------
  49          
  50          void collection_data()
  51          {
  52   1       
  53   1      }
  54          
C51 COMPILER V7.00  1                                                                      04/29/2006 21:38:42 PAGE 2   

  55          //----------------------------------------------------------------------------------------
  56          //函数名称：MAIN（）
  57          //功能说明：一个程序的关键
  58          //-----------------------------------------------------------------------------------------
  59          
  60          void main()
  61          {
  62   1        timer_set();
  63   1        on_system_interrupt();
  64   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    107    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)