key.c

我个人编写的车载dvd上的程序

/*********************************************************
	Project:		ST FST(TDA7540)
	File name:	key.c
	Description:	
	Write/Modify:	Perry
	Time:		2005-11-22- 10:40:55
*********************************************************/

#include "public.h"

#define AD_ONE_LINE_KEY_NUM	8


static const unsigned char ADKeyTable[AD_ONE_LINE_KEY_NUM]=
{
	
	0x14,0x20,0x40,0x60,0x85,0xb0
};


/*********************************************
	Function:		GetOneLineADKey
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:41:18
*********************************************/
void GetOneLineADKey(unsigned char ADLine,unsigned char Linenum)
{
	unsigned char i,temp;
	//if(Getkey != NOKEY) return ;
	temp=GetADValue(ADLine);
	if(temp>240)return;
	
	for(i=0;i<(AD_ONE_LINE_KEY_NUM+1);i++)
	{
		if(temp<=ADKeyTable[i])
		{
			Getkey=i+1+AD_ONE_LINE_KEY_NUM*Linenum;
                   
			break;
		}
	}


}


/*********************************************
	Function:		GetADKey
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:41:20
*********************************************/
void GetADKey(void)
{
	
	GetOneLineADKey(AD_KEY1,1);
	//GetOneLineADKey(AD_KEY2,2);

}


//SUNPLUS IR201

static const unsigned char RemoteTable[49]={
  0x30 /*POWER*/,0x00/*EJECT*/,
  0xb0/*VOL+*/,0x90/*1*/,0xa0/*2*/,0x80/*3*/,	
  0x70/*VOL-*/,0x50/*4*/,0x60/*5*/,0x40/*6*/,
  0xf0/*MUTE*/,0xd0/*7*/,0xe0/*8*/,0xc0/*9*/,
  0x32/*DVD/DVB*/,0x12/*TV/RADIO*/,0x22/*10+*/,0x02/*0*/,
  0xb2/*RETURN*/,0x92/*MENU*/,0x62/*DISPLAY*/,0xa2/*LANGUAGE*/,0x82/*L/R*/,
          0xe2/*UP*/,
  0x72/*FAV-*/,0x52/*ENTER*/,0x42/*FAV+*/,
          0xd2/*DOWN*/,
  0xf2/*TITLE/TTX*/, 0xe8/*SUBTITLE*/,0xc2/*PROG/EPG*/,
  0xf8/*FB*/,0x2a/*PLAY*/,0xc8/*PREVIOUS*/,
  0x3a/*FF*/,0xaa/*STOP*/,0x0a/*NEXT*/,
  0x38/*SETUP*/,0x18/*GOTO*/,0x28/*P-SCAN/VGA*/,0x08/*P/N*/,
  0xb8/*REPEAT*/,0x98/*PREVIEW*/,0xa8/*SLOW+/-*/,0x88/*PAUSE/STEP*/,
  0x78/*ZOOM*/,0x58/*A-B*/,0x68/*3D*/,0x48/*ANGLE*/,
};
/*********************************************
	Function:		Infra_Red
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2004-7-2- 11:53:19
*********************************************/
void InfraRed(void)
{

	if (IrKey == 0xFF)
	{
	
		if (RemoDelay < 6) 
		{
		
			IrxBuffer[irbit/8] <<=  1;			 
			if (RemoDelay <= 2)
			{
				(IrxBuffer[irbit/8]) &= 0xFE;	 // make 'low'
			}
			else
			{
				(IrxBuffer[irbit/8]) |= 0x01;	 // make 'high'
			}
			if(irbit<32)irbit++;
			if (irbit == 32)
			{
				irbit=0;
               
			#ifdef SINO_MOS
                          if(IrxBuffer[0] == (unsigned char)((IR_SYSTEM_CODE >> 8)&0x00ff) && IrxBuffer[1] == (unsigned char)(IR_SYSTEM_CODE &0x00ff)){
                          	     IrKey = IrxBuffer[2];
                          	     
                          	}   
			#else
				if((IrxBuffer[1] == 0xFF)
				&& (IrxBuffer[0]+IrxBuffer[1]==255)
				&& (IrxBuffer[2]+IrxBuffer[3]==255))
			
				//&& (IrxBuffer[0] == ~IrxBuffer[1])
				//&& (IrxBuffer[2] == ~IrxBuffer[3]) )
					IrKey = IrxBuffer[2];
			#endif	
			}
		}
		else
			irbit=0;
	}

	RemoDelay = 0;
}

/*********************************************
	Function:		Ir_Timer
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2004-7-2- 11:53:24
*********************************************/
void IrTimer(void)
{
	if (RemoDelay >= 200)
		IrKey = 0xFF;	
	else
		RemoDelay++;
}

/*********************************************
	Function:		GetRemote
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2004-7-9- 10:46:07
*********************************************/
void GetRemote(void)
{
	unsigned char i;
    //if(Getkey != NOKEY) 
    //    return ;
    
	if(IrKey != 0xFF)
	{
		for(i=0;i<49;i++)
		{
			if(RemoteTable[i]==IrKey)
			{
				Getkey=i+AD_ONE_LINE_KEY_NUM;//To Get area so set the length is 10
				break;
			}
		}
	}
	
}

void KeyPreproc()
{
static unsigned char times = 0;
times ++;
times = times%5;
        if(PreviousKey != Getkey && PreviousKey == NOKEY)
        	{
                    PreviousKey  = Getkey;
                   debug_val("Key:",Getkey);
                   switch(Getkey)
                   	{
                   	case IR_POWER:
                   	case KEY_POWER:
                   		SysCommand  = SYSTEM_COMMAND_POWER;
                   		  break;
                     case KEY_MODE:
                     	SysCommand  = SYSTEM_COMMAND_MODE;
                     	  break;
                    case KEY_EJECT:
                    case IR_EJECT:
                    	       SysCommand  = SYSTEM_COMMAND_EJECT;
                    	       break;
                     case IR_DVD_DVB:
                     	 SysCommand  = SYSTEM_COMMAND_MODE;
                     	 break;	
                     default:  	  
                            ADDSendCommandToBuff(SEND_IRVFD_KEY,Getkey);
                         //  DSA_init();
                         //  SendBuf[0] = SEND_IRVFD_KEY << 8 | Getkey;
                         //  DsaSendCommand();
                              break;
                   	}
        	}else if(Getkey == NOKEY){
        	          PreviousKey  = NOKEY;
        		}
       
}


/*********************************************
	Function:		LongShortKeyProcess
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:41:27
*********************************************/
#if 0

void LongShortKeyProcess(void)
{
	if(Getkey != DBGetkey)
	{
		DBGetkey = Getkey;
		return;
	}    
   
	KeyCode = Getkey;
	CurrentKey = Getkey;
    

	//PUSH
	if (KeyProcessTimer==0 && PreviousKey==NOKEY 
		&& CurrentKey !=NOKEY)	
	{
		
		//LONG KEY TIME OR DEPRESS KEY TIME SET
		switch(CurrentKey)	
		{                                                                                                             
			case P_RM_VOLUP:
			case P_RM_VOLDN:
			case P_AD_VOLUP:
			case P_AD_VOLDN:
				KeyProcessTimer=HALF_SECOND ;
				break;

			case P_AD_SEEKUP:
			case P_AD_SEEKDN:
			case P_AD_DIRDOWN:
			case P_AD_DIRUP:
			case P_RM_SEEKUP:
			case P_RM_SEEKDN:
				KeyProcessTimer = ONE_SECOND;
				break;
					
			default  :   
				KeyProcessTimer = ONE_SECOND;
				break;
		}
	}

	//LONG OR DEPRESS KEY
	if( CurrentKey == PreviousKey 
		&& CurrentKey !=NOKEY)	
	{
		if (KeyProcessTimer==0)
		{
			//LONG
			switch(CurrentKey)	
			{
				case P_RM_VOLUP:
				case P_RM_VOLDN:
				case P_AD_VOLUP:
				case P_AD_VOLDN:
					KeyProcessTimer=ONE_TEN_SECOND;	
					KeyCode=PreviousKey;	
					break;
					
				default:
					KeyCode=PreviousKey | LONGKEY;	
					KeyProcessTimer=0xFF;
					break;
			}
		}
		else
			KeyCode=NOKEY;
	}

	//SHORT OR LONG RELEASE
	if ( PreviousKey!=NOKEY && CurrentKey == NOKEY)	
	{
		if (KeyProcessTimer==0xFF || KeyProcessTimer==0)
		{
			//LONG RELEASE
			KeyCode=PreviousKey | LONG_RELEASEKEY;	
            		//SCI_SendPromter("L KEY", &KeyCode, 1);
            		//SCI_SendString("L:");
            		//SCI_Val(KeyCode);
		}
		else
		{
			//SHORT
			KeyCode=PreviousKey | SHORTKEY;  
            		//SCI_SendPromter("S KEY", &KeyCode, 1);
           		//SCI_SendString("S:");
            		//SCI_Val(KeyCode);
           	}
		KeyProcessTimer=0;		
	}

	PreviousKey=CurrentKey;
	
}


#endif
/*********************************************
	Function:		KeyInit
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:41:30
*********************************************/
void KeyInit(void)
{

	PD_REMOTE=0;
	PCR1_REMOTE=1;
	PCR2_REMOTE=1;
/*
	PDDR_ADKEY1=0;
	PCR1_ADKEY1=0;
	PCR2_ADKEY1=0;

	PDDR_ADKEY2=0;
	PCR1_ADKEY2=0;
	PCR2_ADKEY2=0;
	
*/
    ADC_TDRL |= y00000100;
    ADC_TDRH |=y10000000;

	IrKey = 0xFF;
	PreviousKey = NOKEY;
	Getkey = NOKEY;
	SysCommand  = SYSTEM_COMMAND_IDLE;
    //  status  = WHEEL_STATUS_CLK_INIT;
    
	
}

/*********************************************
	Function:		KeyMain
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2004-7-9- 10:46:15
*********************************************/
void KeyMain(void)
{
    //SCI_SendString("KEY");
	Getkey=NOKEY;
       SysCommand  = SYSTEM_COMMAND_IDLE;
	//KeyCode=NOKEY;
	//GetADKey();
       GetRemote();
	KeyPreproc();
	// MultiFuncKey();
	//LongShortKeyProcess();

	 //GetEncode();
	
	//GetEncoder();
	/*if(Pin_REMOTE&&KeyCode!=S_AD_EJECT)//Detect panel open/close to disable/enable key process
	{
		KeyCode=NOKEY;
	}*/
}

/*********************************************
	Function:		KeyTimer100ms
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:41:32
*********************************************/
#if 0
void KeyTimer10ms(void)
{
	if ((KeyProcessTimer!=0xFF)&&(KeyProcessTimer>0))
		KeyProcessTimer--;

}  
#endif
/*********************************************************
				File End
*********************************************************/