ptz.lst

这个是安防用的控制键盘C源程序,采用KEIL C51开发.用于控制前端解码器!

C51 COMPILER V7.01  PTZ                                                                    04/29/2006 16:28:40 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE PTZ
OBJECT MODULE PLACED IN Ptz.OBJ
COMPILER INVOKED BY: F:\Keil\C51\BIN\C51.EXE Ptz.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include"reg52.h"
   2          #include"main.h"
   3          
   4          extern bit SoundFlag;
   5          bit TimerFlag;
   6          Uchar TimerCounter;
   7          Uchar SoundCounter=0;
   8          extern Uchar NumbProtocol;
   9          
  10          extern void Pelco_D(Uchar i);
  11          extern void YAAN (Uchar i);
  12          extern void PD_2400(Uchar i);
  13          extern void Pelco_P(Uchar i);
  14          
  15          /*--------------------------------------------------------------------
  16                               timer1 interrupt
  17            --------------------------------------------------------------------*/
  18          void Timer0ISR_1(void) interrupt 1 using 0
  19          {
  20   1      
  21   1       TH0=0x3c;                                                 //timer0 50ms 
  22   1       TL0=0xb0;
  23   1       if(SoundCounter!=0)
  24   1       SoundCounter--;
  25   1      
  26   1       else
  27   1       {
  28   2       SoundFlag=0;
  29   2       BU=0;
  30   2       }
  31   1        
  32   1       
  33   1       if(TimerCounter!=0)                                        //delay 200ms
  34   1        TimerCounter--;
  35   1      
  36   1      
  37   1       else
  38   1       {
  39   2       // BU=0;
  40   2        TimerFlag=0;
  41   2       } 
  42   1      }
  43          
  44          /*---------------------------------------------------------------------*/
  45          
  46          void Ptz(Uchar i)
  47          {
  48   1       Uchar Temp;
  49   1       Temp=i;
  50   1       if((Temp<10 || (Temp <22 && Temp>17)) && TimerFlag)
  51   1       {
  52   2        EA=1;
  53   2        ET0=1;
  54   2        TR0=1;
  55   2       }
C51 COMPILER V7.01  PTZ                                                                    04/29/2006 16:28:40 PAGE 2   

  56   1      
  57   1        else
  58   1       {
  59   2        
  60   2        TimerFlag=1; 
  61   2        TimerCounter=4;
  62   2       switch(NumbProtocol)
  63   2        {
  64   3        case 1: Pelco_D(Temp);
  65   3                break;
  66   3        case 2: Pelco_P(Temp);
  67   3                break;
  68   3               
  69   3        case 3: YAAN(Temp);
  70   3                break;
  71   3        case 4: PD_2400(Temp);
  72   3                break;
  73   3        }
  74   2       }
  75   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    106    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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