timer.lst

输出视频的字符的软件

C51 COMPILER V7.02b   TIMER                                                                06/20/2006 18:46:34 PAGE 1   


C51 COMPILER V7.02b, COMPILATION OF MODULE TIMER
OBJECT MODULE PLACED IN timer.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE timer.c DEBUG OBJECTEXTEND

stmt level    source

   1          /*-------------------------------------*/
   2          /*
   3            THIS FOR TIMER SUBROUTINE USEED
   4            TO SET TIMER TO 4S, 60S, 10MS, &INTERRUPT WITH THE TIMEERS
   5          
   6          */
   7          /*-------------------------------------*/
   8          /*
   9             this routine to use the timer & respone timer interrupt
  10          
  11          
  12          */
  13          /*------------------------------------*/
  14          #include "defineh.h"
  15          #include "timer.h"
  16          /*-----------------------------------*/
  17          extern void Clr_Rx(void);
  18          /*----------------------------------------*/
  19           
  20          void init_timer2()
  21          {   // init the timer2 to 30ms to determine the answer-frame full or not, if not dompleted, delete it weat
             -her a message frame.
  22   1          //if not , free the comm line.if a message frame, count for 4s.if a right respone ,count 1min.
  23   1          //NOT confirm the data
  24   1       #if CRYSTALOID
                { //12MHZ
                TH2=0x8a;
                TL2=0xd0;
                }
               #else 
  30   1        {
  31   2         TH2=0x94;
  32   2         TL2=0x2f;
  33   2        }
  34   1       #endif
  35   1      
  36   1               T2CON=0X03;    /*timer enble,*/
  37   1               T2MOD=0x01;   /*timer reload mode*/
  38   1               timeout2=0;
  39   1      
  40   1       T2CON=0;
  41   1       ET2=1;
  42   1       TR2=1;
  43   1      
  44   1      }
  45          /*------------------------------------------*/
  46          /*            INIT TIMER0
  47          Description: 
  48                     timer0 use to count 3ms once a time, to determine a data received
  49          
  50          
  51          */
  52          
  53          /*-----------------------------------------------*/
  54          void init_timer0(void)
C51 COMPILER V7.02b   TIMER                                                                06/20/2006 18:46:34 PAGE 2   

  55          {
  56   1      //TMOD=0x21;    //*定时器0工作方式1，16位定时
  57   1       #if CRYSTALOID   //定时器该为3ms定时
                { //12MHZ
                TH0=0xfC;  //TH0=0xf4;  //3MS
                TL0=0x18;  //TL0=0x48;
                
                }
               #else 
  64   1        {
  65   2         TH0=0xf5;
  66   2         TL0=0x50;
  67   2        }
  68   1       #endif
  69   1      
  70   1        TR0=1;       //To enable bit
  71   1        ET0=1;      //open To,enable it interrupt
  72   1        timeout0=0;
  73   1      }
  74          /*-------------------------------------------*/
  75          /*     every received must less than 2ms,if a receiving action not wrong,
  76                 when finished a receiving,clr the timer0
  77          
  78          
  79          */
  80          /*--------------------------------------------*/
  81          void timer0_out() interrupt 1
  82          {
  83   1         TF0=0;
  84   1         
  85   1           if(Rxrun_bit)
  86   1              {
  87   2                      if(Rx_count>timeout0)  //not late the data
  88   2                        {
  89   3                              timeout0=Rx_count;
  90   3      
  91   3                  #if CRYSTALOID   //定时器该为1ms定时
                             { //12MHZ
                              TH0=0xfC;  //TH0=0xf4;  //1MS
                              TL0=0x18;  //TL0=0x48;
                
                             }
                         #else 
  98   3                     {
  99   4                     TH0=0xf5;
 100   4                     TL0=0x50;
 101   4                     }
 102   3                  #endif
 103   3                         }
 104   2                      else
 105   2                         {
 106   3                              Clr_Rx();
 107   3                      TR0=0;
 108   3                         }
 109   2           }
 110   1          else      //rx finish
 111   1               {
 112   2                   TR0=0;
 113   2           }
 114   1      }
 115          /*--------------------------------------------*/
 116          /*
C51 COMPILER V7.02b   TIMER                                                                06/20/2006 18:46:34 PAGE 3   

 117                           timer2 count 1s, if lower than 15 bytes, the datas valid & not a message frame
 118                           if rx_count more than 16 byte, must be a message frames or a bad frame
 119                           And, timeout2 cout 25 times for 1s
 120                           timeout1 count for the cycle 
 121          */
 122          /*-------------------------------------------*/
 123          void timer2_out() interrupt 5
 124          {
 125   1           TF2=0;
 126   1           timeout2++;
 127   1      }
 128          /*---------------------------------------------*/
 129          void clr_timer2(void)
 130          {
 131   1      
 132   1               T2CON=0X00;
 133   1               T2MOD=0x00; 
 134   1                       TR2=0;
 135   1      
 136   1                       TL2=0;
 137   1                       TH2=0;
 138   1                       timeout2=0;
 139   1                     
 140   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    157    ----
   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)