back.c

这是一个对OSD芯片upd6464A操作的接口测试程序,使用KC51编译一个高速球键盘程序

/*---------------------------------
记住调整ID时键盘发的码和PELCO有点相同,程序要加识别处理的

-----------------------------------*/
#include <general.h>      //定义外部的函数
#define SUMSUNG  	  1
#define	 PELCOP		  2
#define  PELCOD		  12
#define  B01		  8
#define  YAAN		  7

struct structSwitchStatus
{
unsigned char 	 id;
unsigned char 	 protocol;
unsigned char 	 rxdBaud;
unsigned char 	 cameraBaud;
unsigned char 	 cameraType;
};

struct 	structSwitchStatus  GetSwitchStatus()
 {
struct 	structSwitchStatus	statu;
unsigned char bdata  bflag;						   //通用位变量
sbit bflag_0=bflag^0;
sbit bflag_1=bflag^1;
sbit bflag_2=bflag^2;
sbit bflag_3=bflag^3;						                                                                      
sbit bflag_4=bflag^4;

sbit bflag_5=bflag^5;
sbit bflag_6=bflag^6;
sbit bflag_7=bflag^7;
bflag=0;
ID0=ID1=ID3=ID4=ID05=ID6=1;
bflag_0=!ID0 ;bflag_1=!ID1 ;bflag_2=!ID2 ;bflag_3=!ID3 ;bflag_4=!ID4 ;
bflag_5=!ID5 ;bflag_6=!ID6 ;
status.id=bflag;
bflag=0;
PROTOCOL0=PROTOCOL1=PROTOCOL02=PROTOCOL03=1;
bflag_0=!PROTOCOL03 ;bflag_1=!PROTOCOL02 ;bflag_2=!PROTOCOL1;bflag_3=!PROTOCOL0 ; 
status.protocol=bflag;
bflag=0;
BAUD0=BAUD1=1;
bflag_0=!BAUD1 ; bflag_1=!BAUD0 ; 
status.rxdBaud=bflag;
bflag=0; 
CAMBAUD0=CAMBAUD1=1;
bflag_0=!CAMBAUD1 ; bflag_1=!CAMBAUD0 ;   
status.cameraBaud=bflag;
bflag=0; 
CAMERA0=CAMERA1=1;
bflag_0=!CAMERA1 ; bflag_1=!CAMERA0  ;   
status.cameraType=bflag;
return(statu);
}


volatile unsigned char bdata  bflag1;						   //通用位变量
sbit bflag1_0=bflag1^0;
sbit bflag1_1=bflag1^1;
sbit bflag1_2=bflag1^2;
sbit bflag1_3=bflag1^3;						                                                                      
sbit bflag1_4=bflag1^4;
sbit bflag1_5=bflag1^5;
sbit bflag1_6=bflag1^6;
sbit bflag1_7=bflag1^7;
/*-----------------------------------------------

   明景的键盘PELCO-P球机ID为实际球机ID少1，程序要进行处理
   PELCO-D上下两代码颠倒了，UP为000     DOWN 为00108 与公布的相反
------------------------------------------------*/
volatile unsigned char  cProtocol;
volatile unsigned char bdata  id;						   //通用位变量
sbit id_0=id^0;
sbit id_1=id^1;
sbit id_2=id^2;
sbit id_3=id^3;						                                                                      
sbit id_4=id^4;
sbit id_5=id^5;
sbit id_6=id^6;
sbit id_7=id^7;


unsigned char idata sKeyCode[20]={""}; //目前只用一组来表示,并且为0值	接收键盘码用
volatile unsigned char idata cKeyCodeReceiveState;	//初值处于无串口码接收到状态有值用1表示
volatile unsigned char idata cKeyCodeReceive;
unsigned char idata  *pKeyCode;

unsigned char ProtocolSelect()
{	unsigned char x;
 	bflag1=0;
   PROTOCOL0=PROTOCOL1=PROTOCOL2=PROTOCOL3=1;            //写1
	 do
	 {
	   
	bflag1_0=!PROTOCOL3;		 //选择通讯协议	取反
	bflag1_1=!PROTOCOL2;
	bflag1_2=!PROTOCOL1;
	bflag1_3=!PROTOCOL0;
	x= bflag1;
	bflag1_0=!PROTOCOL3;		 //选择通讯协议	取反
	bflag1_1=!PROTOCOL2;
	bflag1_2=!PROTOCOL1;
	bflag1_3=!PROTOCOL0;
	}while(bflag1!=x);


	return(x);
}
void BaudSelect()						   //波特率选择	子程序
{
	unsigned char x;										//开关取反才是正确的
	bflag1=0;
	BAUD0 =1;		 //先给1
	BAUD1 =1;
		do
	{
	 	
	bflag1_0=!BAUD1;		 //选择波特率
	bflag1_1=!BAUD0;
	x=bflag1;
	bflag1_0=!BAUD1;		 //选择波特率
	bflag1_1=!BAUD0;
	}while(bflag1!=x);
	 bflag1=x;
	switch(bflag1)		 //与说明手册上控制位一致
	{
	case 0:   
		baud_2400();
		break;
	case 2:   
		baud_4800();
		break;
	case 1:   
		baud_9600();
		break;
	case 3:   
		baud_19200();
		break;
	
	}


}
void IdSelect()						   //球机ID选择子程序
{
	unsigned char x;
    x=0;
	ID0=ID1=ID2=ID3=ID4=ID5=ID6=1;		 //	  先给1			 按从左到右的BCD方式
	id=0;
 	do
 {
	
	id_0=!ID0;		 //10位拨码开关的右8 位按BCD排列
	id_1=!ID1;
	id_2=!ID2;		 //可选择256位
	id_3=!ID3;
	id_4=!ID4;		 //P0-6 P1-0两位可作它用  ,如果有相机选择可减少ID位数
	id_5=!ID5;
	id_6=!ID6;

	x=id;
	id_0=!ID0;		 //10位拨码开关的右8 位按BCD排列
	id_1=!ID1;
	id_2=!ID2;		 //可选择256位
	id_3=!ID3;
	id_4=!ID4;		 //P0-6 P1-0两位可作它用  ,如果有相机选择可减少ID位数
	id_5=!ID5;
	id_6=!ID6;
	}while(id!=x);

	id=x;   // 正式有上面的，没有此项

	
}
/*
void CameraParameterSend()         
{
                         //此程序通过串口发送消息告诉相机类型及波特率,如何编写要作安排




}
还有相机的种类及波特程序安排

void AlarmControl()
{





                          //此程序留作考虑
                          }
						  */

void main()
{	

    unsigned int x;
	unsigned long y;
ERRor:							  //修改出错地址
	for(y=0;x<0xffffffff;y++)下作不易发出误码的
	WDT_cls();
	GlobalSet();
	IntDisable();
	T0Stop();
	T1Stop();
	T2Stop();
	IntSet();
	TimerSet();
	SciSet();
	IntEnable(); 
    SciTxdBaudSet();	
    T1_start();
	BaudSelect();	   //波特选择		   程序波特及ID可随时选
	T2_start();
   	IdSelect();	 			//ID选择

	cKeyCodeReceiveState=0;		  //复位接收状态
	pKeyCode=sKeyCode;				 //接收码清零程序
				 for(x=0;x<20;x++)					 //预设20个字符
				 {
					 *pKeyCode =0;
				     ++pKeyCode ;
				 }
				 pKeyCode=sKeyCode;	   //重新指向代码


    cProtocol= ProtocolSelect();


/*	   	 	while(1)
	{
WDT_cls();
for(x=0;x<1000;x++);
SBUF=cProtocol; 
}
 */
	switch(cProtocol)  				 //与说明手册上控制位一致
	
	{
	 default:  goto ERRor;
	 			

 /*____________________999999999999999999______________________________
三星协议开始
 _______________________9999999999999999_______________________________*/
 case PELCOD:	   
  		while(1)
			 {	
		
			 	 WDT_cls();	
 			if(PELCOD!=cProtocol)   // 利用协议出错处理
			 goto ERRor;
			if(!cKeyCodeReceiveState)  	continue;
			/*__________________________________________switch begin________________
			以下是接收的串口数据程序员
			__________________________________________________________*/
			if(0xff!=cKeyCodeReceive)
			{
				 cKeyCodeReceiveState=0;
				 continue;					//首码错则结束  进  入  循  环
				 }
		
			   cKeyCodeReceiveState=0; 
						 while(!cKeyCodeReceiveState)  
						 {
							 WDT_cls();	

						 }
						 				 
 
 						 if( cKeyCodeReceive!=id)	//说明是正确的键盘码转入处理程序

						 {							   //不是本球机的接收码ID不正确或者是一误码都必须会结束
							 cKeyCodeReceiveState=0;
							 continue;					   //处理并且清除接收标志
						 }
 
						
							 
							 x=2;
							 	 pKeyCode=sKeyCode;	
							 *pKeyCode=0xff;	   //起始同步码
							 	
							 ++pKeyCode;
							 *pKeyCode=id;	   //ID码
   
							 cKeyCodeReceiveState=0;//已取走第2个码
							 do
							 {
							//	 x=x+*pKeyCode	;	//从第二个开始累加校验
								 while(!cKeyCodeReceiveState)  //读码等待
								 {
									 _nop_();
								 }
								 ++pKeyCode;	
								 *pKeyCode=cKeyCodeReceive;
 	
								 cKeyCodeReceiveState=0; //取走键盘码
								 ++x;	
							 }while(x!=7);	 //读码结束标志
 /*__________________________________________switch end________________
			以上是接收的串口数据程序员
			__________________________________________________________*/
/*-----------------------------------------------------
		   下面是发送解码后处理程序	   发送时按查询方式进行,修改串口中断程序
		   ________________________________________________________*/
             
		
/*-----------------------------------------------------					  
					   if( sKeyCode[3]==0x55)  continue;
						y= (sKeyCode[2]<<24)+(sKeyCode[3]<<16)+(sKeyCode[4]<<8)+sKeyCode[5];
						 //构造一译码关键字
						WDT_cls();			
		


		   上面是发送解码后处理程序
		   ________________________________________________________*/						
						



				}	 				//end case while rotate
			break; //finish case 
  /*____________________999999999999999999______________________________
PELCOD协议结束
 _______________________9999999999999999_______________________________*/
	 case SUMSUNG:	   //三星协议  

				while(1)
			 {	
	
			 	 WDT_cls();	
 			if(SUMSUNG!=cProtocol)   // 利用协议出错处理
			 goto ERRor;
			if(!cKeyCodeReceiveState)  	continue;
			/*__________________________________________switch begin________________
			以下是接收的串口数据程序员
			__________________________________________________________*/
			if(0xa0!=cKeyCodeReceive)
			{
				 cKeyCodeReceiveState=0;
				 continue;					//首码错则结束  进  入  循  环
				 }
		
			   cKeyCodeReceiveState=0; 
						 while(!cKeyCodeReceiveState)  
						 {
							 WDT_cls();	

						 }
						 cKeyCodeReceiveState=0; 
						 while(!cKeyCodeReceiveState)  
						 {
							 WDT_cls();	

						 }

			 							 
 
 						 if( cKeyCodeReceive!=id)	//说明是正确的键盘码转入处理程序

						 {							   //不是本球机的接收码ID不正确或者是一误码都必须会结束