pelco_p.c

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!

#include "reg52.h"
#include "main.h"
#include "intrins.h"

extern Uchar CamAddress;
extern Uchar AuxNumb;
extern Uchar U_DTemp;
extern Uchar L_RTemp;
extern Uchar KeyValue;
int Temp;

extern void send_char_com (unsigned char ch);
extern void shortdelay(unsigned char count);

unsigned char code My_Array[19][8]={0xA0,0x01,0x00,0x08,0x00,0x00,0x00,0x00,
	                                 0xA0,0x01,0x00,0x10,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x00,0x04,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x00,0x02,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x08,0x00,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x04,0x00,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x02,0x00,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x01,0x00,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x00,0x40,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x00,0x20,0x00,0x00,0x00,0x00,

									 0xA0,0x01,0x00,0x09,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x00,0x0B,0x00,0x00,0x00,0x00,
                                     
							
									 0xA0,0x01,0x00,0x03,0x00,0x00,0x00,0x00,
                                     0xA0,0x01,0x00,0x05,0x00,0x00,0x00,0x00,
                                     0xA0,0x01,0x00,0x0c,0x00,0x00,0x00,0x00,
                                     0xA0,0x01,0x00,0x14,0x00,0x00,0x00,0x00,
                                     0xA0,0x01,0x00,0x0a,0x00,0x00,0x00,0x00,
                                     0xA0,0x01,0x00,0x12,0x00,0x00,0x00,0x00,
									 0xA0,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
									 };
                                                                                                                                                                                                                                                                                                                                                        
extern void Pelco_P (Uchar i)
{
unsigned int k=0;
unsigned char tbuf[8];

 
 if(i==10||i==12||i==14)
 i=10;
 if(i==11||i==13||i==15)
 i=11;
 if(i>=16)
 i=i-4;
 
 for(k=0;k<8;k++)
 tbuf[k]=My_Array[i][k];

 tbuf[1]=CamAddress;
 if(i==10||i==11)
 tbuf[5]=AuxNumb;

 RT_CON=1;
 Code_Led=1;
 k=0;
 shortdelay(1);  
 
	do
	{
      
  	  
		send_char_com(tbuf[k]);
        shortdelay(1);
		k++;
	} while( k<8 );
 //k=0;
 RT_CON=0;
 Code_Led=0;
 }