remote.c

一个LCD TV的源程序, 用的是realtek的IC

/*********************************************************************

      COPYRIGHT  (C)  Himax Technologies, Inc.

      File name     : REMOTE.C     

      Description   : Remote Controller Implement Code

      Author        : Nice Chen

      Create date   : 2004/10/07

      Modifications :


*********************************************************************/

#define _REMOTE_C

/********************** Include Section *****************************/

#include "remote.h"
#include "tuner.h"
#include "osd.h"

/**************** Function Implement Section ************************/

/* ================================================================
    Name    : init_remote
    Purpose : initial PA8204's remote controller function
    Passed  : None               	
    Notes   : None
   ================================================================ */ 

void Init_Remote(void)
{
	// External interrupt enable 
	EX0						= 	1;
	// INT 0 type : falling edge	 		
	IT0 						= 	1;
	// Setup Remote Controller Parameters to PA8204
	I2CWrite2Byte(PA8204_ADDR,PA8204_CUSTOM_DATA_1 , _RMT_CUSTOM_HI, _RMT_CUSTOM_LO );
    // Setup Repeat Threshold-Low [0x89 ~ 0x8A]
    // [0x8A] Repear IR is not working
    I2CWrite2Byte(PA8204_ADDR,PA8204_RD_WIDTH, 0x89, 0xA0);
    // Enable HX6204A Interrupt Mask
    I2CWriteByte(PA8204_ADDR, PA8204_INT_MASK_STAUS, 0x07);
}	

/* ================================================================
    Name    : RemoteControl
    Purpose : Pass PA8204 IR received IR data stream
    Passed  : Byte             	
    Notes   : None
   ================================================================ */ 

void RemoteControl(Byte IRStream)
{
	// Display Press-Key Code
	Puts_UART("RC="),HexTobyStr(IRStream),Puts_UART(byStr),Puts_UART("\r\n");
	
    // According to SystemPower Status, then Processing Key function
    switch (SystemPower)
	{
        // ============================[Power Off Section]==============================
        case _Power_Off:	 
	       switch (IRStream)
	       {    
                // [1] FREEZE KEY
		        case _RMT_OverScan:
			    // ========== NICE_DEBUG ========== // 
			    #if NICE_DEBUG==1
				    BootFromLDROM();
				    break;
			    #endif
			    // ========== END DEBUG =========== //
		   
                // [2] Power 
                case _RMT_StandBy: 
                    SystemPower= _Power_On;
                    break;                     
           }
           break;
        // ============================[End of Power Off]===============================

        // ============================[Power On Section]===============================
        case _Power_On:
	       switch (IRStream)
	       {  
                // [1] Power Key
                case _RMT_StandBy:
                    SystemPower=_Power_Off;
                    break;  
           
                // [2] Mute
                case _RMT_Mute:
			    // ========== NICE_DEBUG ========== // 
			    #if NICE_DEBUG==1
                    Puts_UART("Start Auto Function\r\n");
				    InitAutoFunction();
                    SetAutoClock(_Main);
                    SetAutoPhase(_Main);
                    SetAutoPos(_Main);
                    SetAutoColor_RGB(_Main);
				    break;
			    #endif
			    // ========== END DEBUG =========== //

                // [3] S-Video
                case _RMT_AV2:
                    Puts_UART("S-Video\r\n");
                    byCurSource=_YC;
                    ChangeToVideo();
                    break;

                // [4] YUV
                case _RMT_AV3:
                    Puts_UART("YUV\r\n");
                    ChangeToYUV();
                    break;

                // [5] VGA
                case _RMT_PC:
                    Puts_UART("VGA\r\n");
                    ChangeToVGA();
                    break;

				/*
                // [6] TV
                case _RMT_TV:
                    byCurSource=_Tuner;
                    Puts_UART("TV\r\n");
                    ChangeToVideo();
                    break;
				*/

                // [7] Channel ++
                case _RMT_ChannelUp:
                    Puts_UART("CH+\r\n");
                    byChannelNumber++;
                    if(byChannelNumber>_Max_CH)
                    {
                        byChannelNumber=_Min_CH;
                    }  
                    ChnlSet(byChannelNumber);
                    OsdSetChanelValue(4, 10, (8|Transparent), (5|Transparent),byChannelNumber);
                    break;

                // [8] Channel --
                case _RMT_ChannelDown:
                    Puts_UART("CH-\r\n");
                    byChannelNumber--;
                    if(byChannelNumber<_Min_CH)
                    {
                        byChannelNumber=_Max_CH;
                    }
                    ChnlSet(byChannelNumber);
                    OsdSetChanelValue(4, 10, (8|Transparent), (5|Transparent),byChannelNumber);
                    break;            
           }
           break;
        // ============================[End of Power On]================================            
	}
}