mcu.c

车载SCALER模块源程序

	    j=7;
//		LED_GrnOff();
	   }
   
    //   LED_RedOff();
     //  break;
	   while((Row1()==0)||(Row2()==0)||(Row3()==0))
	    {
              CLRWDT = 0x55;
			 
		  
	     }
		j = 5;
     
//       Sleep(50);

    }
  } 
 switch(k)
  {
   case 4:{
            m=1;
            break;
	   }
   case 5:{
            m=2;
            break;
           }
   case 6:{
            m=3;
			break;
	  }
   case 7:{
            m=4;
			break;
	  }
   default:
          {
             m=0;
	        h=0;
	       }
 //  case 7:m=4;
  }
 line1h();
 line2h();
 line3h();
 line4h();
      if(m==0)
        {
	    return 0;
	    }
      else
        {
	  return (h*10+m);
	}
 
 //return(n);
}

void line1l()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port &= ~PD3;
	PTD_REG = Port;
}
void line2l()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port &= ~PD4;
	PTD_REG = Port;
}
void line3l()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port &= ~PD5;
	PTD_REG = Port;
}
void line4l()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port &= ~PD6;
	PTD_REG = Port;
}
void line1h()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port |= PD3;
	PTD_REG = Port;
}
void line2h()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port |= PD4;
	PTD_REG = Port;
}
void line3h()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port |= PD5;
	PTD_REG = Port;
}
void line4h()
{
  	Byte Port;
	Port = PTD_REG;		
	Port |= RDPD_REG;
	Port |= PD6;
	PTD_REG = Port;
}	
bit Row1()	
{
   bit m;
   Byte Port;
   RDPD_REG |=PD0; 
   Port = PTD_REG;
   if((Port & PD0)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}

bit Row2()	
{
   bit m;
   Byte Port;
   RDPD_REG |=PD1; 
   Port = PTD_REG;
   if((Port & PD1)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}
bit Row3()	
{
   bit m;
   Byte Port;
   RDPD_REG |=PD2; 
   Port = PTD_REG;
   if((Port & PD2)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}
//==========================================
void Sleep(Word T)
{
	Word i,j;
	for(j=0;j<T;j++)
		for(i=0;i<53*(CPU_CLK/20000000);i++)
			CLRWDT=0x55;
}
/*==========================================
==========================================*/
void WaitSetup(unsigned short time)
{
	LocalTimer = time;			/* timeout n ms */
	while(LocalTimer != 0){
//		CheckModeChange();
	}	
}
/*==========================================
==========================================*/
bit DetectBacklight()
{
	//return I_OBackLightStatus;
	return 1;
}
/*==========================================
==========================================*/
void PanelPowerOn(void)
{
	//I_OXRSTLow;
	I_OLCDSTBLow;
	Sleep(10);
	//I_OXRSTHigh;
	I_OLCDSTBHigh;
	//I_OPanelPowerHigh;
}
/*==========================================
==========================================*/
void ResetScaler(void)
{
	I_OResetOn;
	Sleep(12);
	I_OResetOff;
	Sleep(50);
	WriteIIC563(0x101, 0x20);  
	Sleep(12);
	WriteIIC563(0x101, 0x0f);
}
/*==========================================
==========================================*/
bit DetectIRQ()
{
	return !(PTB_REG & PB2);
//	return 0;
}
/*==========================================
==========================================*/
void IntGroup1(void) interrupt 2 using 1
{
	if(INT_SRC & INT_EXT){
		if(INTEXT_FLG & INTE0){
			if(FastMuteEnable){
 				I_OBackLightLow;
				if(SyncMode <3){			//add by kevin 92/10/21 if ysnc mode in sep/com/SOG -->COM
	//				INTEXT_EN = INTE1;		// Disable interrupt INT0 enable INT1
					FLG_Change_SyncMode=1;
				}
			}
			Abort = 1;	//abort autotune
			if(ChangeMode<10)
				ChangeMode++;
			INTEXT_FLG = INTE0;
		}
/*		
		if(INTEXT_FLG & INTE1){
			INTEXT_FLG = INTE1;
			I_OBackLightLow;
			WarmUp();			//reset system
			
		}
*/		
		
	}
}
void LED_GrnOff(void)
{
unsigned char port;
	port = PTC_REG;
	port |= RDPC_REG;
	port |= PC1;
	PTC_REG = port;
}

void LED_GrnOn(void)
{
unsigned char port;
	port = PTC_REG;
	port |= RDPC_REG;
	port &= ~PC1;
	PTC_REG = port;
}

void LED_RedOff(void)
{
unsigned char port;
	port = PTC_REG;
	port |= RDPC_REG;
	port |= PC0;
	PTC_REG = port;
}

void LED_RedOn(void)
{
unsigned char port;
	port = PTC_REG;
	port |= RDPC_REG;
	port &= ~PC0;
	PTC_REG = port;
}
void PowNavOn()
{
   	Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port |= PC7;
	PTC_REG = Port; 
}
void PowNavOff()
{
   	Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port &= ~PC7;
	PTC_REG = Port; 
}
void Pow3On()
{
    Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port &= ~PC5;
	PTC_REG = Port;
}
void Pow3Off()
{
    Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port |= PC5;
	PTC_REG = Port;
}
void Pow5On()
{
    Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port &= ~PC6;
	PTC_REG = Port;
}
void Pow5Off()
{
    Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port &= ~PC6;
	PTC_REG = Port;
}
void Pow9On()
{
    Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port &= ~PC3;
	PTC_REG = Port;
}
void Pow9Off()
{
    Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port |= PC3;
	PTC_REG = Port;
}
void Pow5150On()
{
    Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port |= PC2;
	PTC_REG = Port;   
}
void Pow5150Off()
{
   Byte Port;
	Port = PTC_REG;		
	Port |= RDPC_REG;
	Port &= ~PC2;
	PTC_REG = Port;
}
void ResetVideoOn()
{
    Byte Port;
	Port = PTB_REG;		
	Port |= RDPB_REG;
	Port &= ~PB1;
	PTB_REG = Port;
}
void ResetVideoOff()
{
    Byte Port;
	Port = PTB_REG;		
	Port |= RDPB_REG;
	Port |= PB1;
	PTB_REG = Port;
}
void DrivePowOn()
{
    Byte Port;
	Port = PTA_REG;		
	Port |= RDPA_REG;
	Port |= PA5;
	PTA_REG = Port;
}
void DrivePowOff()
{
    Byte Port;
	Port = PTA_REG;		
	Port |= RDPA_REG;
	Port &= ~PA5;
	PTA_REG = Port;
}
void RestScalOn()
{
    Byte Port;
    Port = PTC_REG;		
	Port |= RDPC_REG;
	Port &= ~PC4;
	PTC_REG = Port;
}
void RestScalOff()
{
    Byte Port;
    Port = PTC_REG;		
	Port |= RDPC_REG;
	Port |= PC4;
	PTC_REG = Port;
}
void SetMenu()
{  
    Byte Port;
	Port = PTA_REG;		
	Port |= RDPA_REG;
	Port &= ~PA7;
	PTA_REG = Port;
}
void ResetMenu()
{  
    Byte Port;
	Port = PTA_REG;		
	Port |= RDPA_REG;
	Port |= PA7;
	PTA_REG = Port;
}
bit NavMcu()	
{
   bit m;
   Byte Port;
   RDPB_REG |=0x08; 
   Port = PTB_REG;
   if((Port & PB3)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}

void BackLightOn(void)
{
    Byte Port;
    Port = PTE_REG;		
	Port |= RDPE_REG;
	Port |= PE1;
	PTE_REG = Port;
}

void BackLightOff(void)
{
    Byte Port;
    Port = PTE_REG;		
	Port |= RDPE_REG;
	Port &= ~PE1;
	PTE_REG = Port;
}
void MuteStby0ff(void)
{
    Byte Port;
    Port = PTD_REG;		
	Port |= RDPD_REG;
	Port |= PD6;
	PTD_REG = Port;
}
void MuteStbyOn(void)
{
    Byte Port;
    Port = PTD_REG;		
	Port |= RDPD_REG;
	Port &= ~PD6;
	PTD_REG = Port;
}
bit KeyInput1(void)   // pin31   seek_up
{
    bit m;
   Byte Port;
   RDPD_REG |=0x08; 
   Port = PTD_REG;
   if((Port & PD3)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}
bit  KeyInput2(void)   // pin 30   seek_down
{
    bit m;
   Byte Port;
   RDPD_REG |=0x10; 
   Port = PTD_REG;
   if((Port & PD4)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}

bit  KeyInput3(void)    //pin 29
{
    bit m;
   Byte Port;
   RDPD_REG |=0x20; 
   Port = PTD_REG;
   if((Port & PD5)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}
bit StopIn(void)
{
       bit m;
   Byte Port;
   RDPC_REG |=0x08; 
   Port = PTC_REG;
   if((Port & PC3)!=0)
      {
	    m=1;
	   }
	else
	  {
	    m=0;
	   }
   return m;
}