communicate.lst

51单片机控制产生4路标准舵机PWM（周期20ms

C51 COMPILER V7.50   COMMUNICATE                                                           05/17/2007 23:04:26 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE COMMUNICATE
OBJECT MODULE PLACED IN communicate.OBJ
COMPILER INVOKED BY: C:\Program Files\keil\C51\BIN\C51.EXE communicate.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*********************************************
   2          file communicate.c
   3          by sixiangzhe 
   4          copyright 2007/5/14-2007/5/15
   5          note:
   6                  please run init_UART() first; 
   7          
   8          **************************************************/
   9          #include <REG51F.H>
  10          #include<communicate.h>
  11          unsigned char command[8],commandready,framehead,revtemp,bytetoget,comnext,togetsure;
  12          #define RESETCOM (0x00)
  13          #define SURECOM (0xff)
  14          
  15          void Init_UART (void)
  16          {
  17   1              T2CON   = 0x34;  /* Use Timer 2 For Baudrate */
  18   1              RCAP2H  = 0xFF;
  19   1              RCAP2L  = 0xdc;  /* 9600 Baud @ 11.0592MHz */
  20   1              SCON    = 0x50;  /* Enable UART */
  21   1              TI    = 0;
  22   1              ES=1;
  23   1              RI      =0;                  /* TI:   set TI to send first char of UART    */
  24   1              EA      = 1;     /* Enable Global Interrupts */
  25   1      }
  26          
  27          
  28          void intUART() interrupt 4
  29          {
  30   1      unsigned char i;
  31   1      
  32   1      ES=0;
  33   1      if(RI)
  34   1      {
  35   2      RI=0;
  36   2      revtemp=SBUF;
  37   2      /////////////////////////////////////////////////////////////
  38   2      if(revtemp==RESETCOM)
  39   2      {
  40   3        framehead=0;
  41   3        bytetoget=0;
  42   3        comnext=0;
  43   3        togetsure=0;
  44   3        
  45   3      
  46   3      }
  47   2      else
  48   2      {
  49   3              if(togetsure)
  50   3              {
  51   4                              if(revtemp==SURECOM)
  52   4                              {       
  53   5                              commandready=1;
  54   5                              bytetoget=0;
  55   5                              togetsure=0;
C51 COMPILER V7.50   COMMUNICATE                                                           05/17/2007 23:04:26 PAGE 2   

  56   5                              }
  57   4              }
  58   3              else
  59   3              {
  60   4                              if(bytetoget==0)  //this is framehead;
  61   4                              {         
  62   5                                      framehead=revtemp;
  63   5                                      bytetoget=(revtemp>>4);
  64   5                                      comnext=0;
  65   5                      
  66   5                              }
  67   4                              else
  68   4                              {
  69   5                                      bytetoget--;
  70   5                                      command[comnext]=revtemp;
  71   5                                      comnext++;
  72   5                                      if(bytetoget==0)//get all command
  73   5                                      {
  74   6                              
  75   6                                      TI=0;
  76   6                                      
  77   6                                      SBUF=framehead;
  78   6                                      for(i=0;i<comnext;i++)
  79   6                                      {
  80   7                                      while(!TI);
  81   7                                      TI=0;
  82   7                                      SBUF=command[i];
  83   7                                      }
  84   6                                      framehead=0;
  85   6                                      bytetoget=0;
  86   6                                      comnext=0;
  87   6                                      togetsure=1;
  88   6                                      }
  89   5                                      
  90   5                              }
  91   4              }
  92   3      }
  93   2      ////////////////////////////////////////////////////////////////////////////
  94   2      
  95   2      }
  96   1      if(TI)
  97   1      {
  98   2      TI=0;
  99   2      
 100   2      }
 101   1      ES=1;
 102   1      
 103   1      }
 104          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    163    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     14    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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