main.lst

中颖单片机SH88F516例程

C51 COMPILER V8.08   MAIN                                                                  01/25/2010 17:30:35 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /**************************************************************************************************
   2          说明;继电器控制使用了12V外部电源,所以在使用时连接仿真器的同时还要外接12V电源从J1输入,不然在下载时会
   3          弹出一个检测到未上电的对话框.
   4          本程序的功能: 使用定时器1产生中断使继电器周期性的断开闭合
   5          要求:打开拨码开关J11的1脚
   6          **************************************************************************************************/
   7          #include <sh88f516.h>
   8          
   9          unsigned char i=0;
  10          bit time1flag;
  11          main()
  12          {
  13   1              char i,j=0;
  14   1              CLKCON = 0x00;
  15   1      
  16   1              P4M0 = 0x00;
  17   1              P4M1 = 0x10;    //P4_7推挽输出模式
  18   1      
  19   1              TMOD = 0x10;   //定时器工作方式1,16位
  20   1              TH1 = 0xF6;        //(65536-1536)/16M=4ms
  21   1              TL1 = 0x00;
  22   1      
  23   1              TR1 = 1;           //开始计数
  24   1              ET1 = 1;           //打开定时器1中断
  25   1              EA = 1;            //打开总中断
  26   1              
  27   1                                              
  28   1          while(1)
  29   1          {
  30   2                  if(time1flag)
  31   2                      {
  32   3                               time1flag = 0;
  33   3                              i++;
  34   3                              if(i>10)
  35   3                              {
  36   4                                      i=0;
  37   4                                      P4_7 = ~P4_7;   //Relay control bit
  38   4                              }
  39   3              
  40   3                              if(j<11)
  41   3                              {
  42   4                                      P1_5=~P1_5;
  43   4                                      P1_4=~P1_4;
  44   4                                      j++;
  45   4                                      P1_7=~P1_7;
  46   4                                      P1_6=~P1_6;
  47   4                                      
  48   4                              }
  49   3                              P1_2=~P1_2;
  50   3                              P1_3=~P1_3;
  51   3                      }
  52   2              
  53   2                      
  54   2              }
  55   1      
C51 COMPILER V8.08   MAIN                                                                  01/25/2010 17:30:35 PAGE 2   

  56   1      
  57   1      }
  58          
  59          
  60          void TIME1_INT() interrupt 3      //定时器1的中断号为3.
  61          {
  62   1              
  63   1          ET1 = 0;       //close定时器1中断
  64   1              TH1 = 0x06;        //(65536-1536)/16M=4ms
  65   1              TL1 = 0x00;        //(65536-1536)/16M=4ms
  66   1              i++;
  67   1              if(i>=250)         //250ms*4=1s
  68   1              {
  69   2                  i = 0;
  70   2                      time1flag=1;
  71   2              }
  72   1              ET1 = 1;           //打开定时器1中断
  73   1      
  74   1      }
  75          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    100    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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