rs232.lst

步进电机控制的C程序

C51 COMPILER V8.02   RS232                                                                 07/28/2008 17:35:39 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE RS232
OBJECT MODULE PLACED IN RS232.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE RS232.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "reg51.h"
   2          
   3          void initUart(void)
   4          {
   5   1       TMOD|=0x20;
   6   1       SCON=0x50;
   7   1       PCON|=0x80;
   8   1       TH1=0xfd;
   9   1       TL1=0xfd;
  10   1       TR1=1;
  11   1       //ET1=1;
  12   1       ES=1;
  13   1      }
  14          
  15          void uart(void) interrupt 4
  16          {
  17   1      if(RI)
  18   1      {
  19   2          RI=0;
  20   2      //add your code here.
  21   2          TI=0;SBUF = SBUF;
  22   2      
  23   2      }
  24   1      else
  25   1          TI=0;
  26   1      }
  27          void send(char dat)
  28          {
  29   1         TI=0;
  30   1         SBUF = dat;
  31   1      }
  32          
  33          
  34          void soft_10ms()/***********12MHZ 提供10MS 软件延时************/
  35          {       register unsigned int i;
  36   1              //for(i=0;i<711;i++); // 12M
  37   1              for(i=0;i<1422;i++);  // 24M
  38   1      }
  39          void soft_20ms()/***********12MHZ 提供20MS 软件延时************/
  40          {       soft_10ms();
  41   1              soft_10ms();
  42   1      }
  43          
  44          void main(void)
  45          {
  46   1      char i=0;
  47   1      int k;
  48   1      initUart();
  49   1      EA=1;
  50   1      send('V');
  51   1      while(1)
  52   1      {   
  53   2        k=100;while(k--) soft_20ms();
  54   2        soft_20ms();
  55   2        send('V');
C51 COMPILER V8.02   RS232                                                                 07/28/2008 17:35:39 PAGE 2   

  56   2      }
  57   1      
  58   1      }
  59          
  60          
  61          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    102    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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