tirnec.c.svn-base

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 /**
 *  This code and information is part of Trident DPTV API (TDAPI)
 *
 *  Copyright (C) Trident Multimedia Technologies (Shanghai) Co., Ltd.
 *         2002 - 2003  All rights reserved.
 *
 *  This file provides functions for TV or demoboard remote controller.
 *
 *  Revision:
 *  03/04/2004     Modify RC5 part(decode & repeat) by Max and Joy
 *  04/18/2003     Added repeat key support by Archie
 *  08/01/2002     Created by Rick, York, Joy and Archie
 *
 */

#include "tdefs.h"
#include "tio.h"
#include "tutils.h"
#include "tvkey.h"
#include "tRemote.h"
#include "ioctrl.h"

#include "thilevel.h"
#include "ttimer.h"
#include "tvdebug.h"

//#define _IR_DEBUG_

Byte	 Factory_Data[4];
/*remote flag*/
static Byte s_ucRemoteFlag = 0;

#ifdef _IR_DEBUG_
Byte IR_DATA[50];
Byte IR_Index ;
#endif

/*dy
const Byte KeyCodeFactory[][2] =
{
	{0x01, COMMAND_M},
	{0x08, COMMAND_BUSOFF},
};
*/
/*the following two global variables are used by remote routines*/
static Void tdRemoteCodeDetect(Byte ucRemoteCode);

static Gdata struct tagRemoteData
{
    Byte ucRemoteBackup;     /*store the first code of system or data*/
    Byte ucRemoteTemp;       /*store the temporary value of a code,tdRemoteCodeDetect was call 8 times to generate a code*/
    Byte ucRemoteShift;      /*used to count shift times and generate s_RemoteData.ucRemoteTemp*/
    Byte ucSCheckSum;
    Byte ucDCheckSum;
    Byte ucPreviousCountVal; /*timer count value of last time*/
    Byte ucSystemCode;
    Byte ucRemoteCode;
    Byte ucOffset;
    Byte ucKeyNum;
} s_RemoteData;

extern GBool t_bNewKey;
extern GBool t_bRemoteKey;

extern Gdata Byte ucAutoOffTimer;

static GByte s_ucTimeOutCount = 0;
#ifdef _IR_DEBUG_
Byte uc;
#endif
static  Void tdIRNEC1msTimer(Void)
{
    if (t_RemoteData.wCount == t_RemoteData.wFirstDelay)
    {
#ifdef _NEW_REPEATKEY_FUNC_
        tdSetFastRepeatKeyFlag(_FALSE_);
        tdSetSlowRepeatKeyFlag(_FALSE_);
#endif       
        tdSetKeyStatusUpFlag(_FALSE_);

        tdAddVirtualKey(s_RemoteData.ucRemoteCode/* | _VK_STATUS_DOWN_*/);
        t_RemoteData.wCount--;
        ucAutoOffTimer = 0;
#ifdef _IR_DEBUG_
        tvDebugPrint("Send none-repeat code!\n");
        tvDebugPrint1("s_ucRemoteFlag = 0x%x\n", s_ucRemoteFlag);
        tvDebugPrint1("s_RemoteData.ucRemoteCode = 0x%x\n", s_RemoteData.ucRemoteCode);        
#endif
        //set g_KeyInfo.bRemoteKeyDown flag
        g_KeyInfo.bRemoteKeyDown = _TRUE_;
        //set g_KeyInfo.bRepeatKeyDown flag
        g_KeyInfo.bRepeatKeyDown = _FALSE_;
        //clear s_ucTimeOutCount
        s_ucTimeOutCount = 0;
    } 
    else
    {
        if (t_RemoteData.wCount) 
        {
            t_RemoteData.wCount--;
            
            if (tdTestValBitTrue(s_ucRemoteFlag, _RF_NEC_REPEAT_) && tdTestValBitTrue(s_ucRemoteFlag, _RF_NEC_LEADERCODE_))
            {  
                //set g_KeyInfo.bRemoteKeyDown flag
                //g_KeyInfo.bRemoteKeyDown = _TRUE_;
                //clear s_ucTimeOutCount
                //s_ucTimeOutCount = 0;
                
                if (t_RemoteData.wCount == 0)
                {
#ifdef _NEW_REPEATKEY_FUNC_
                    if(g_KeyInfo.bFastRepeatKeyEnable||g_KeyInfo.bSlowRepeatKeyEnable)
                    {
#ifdef _IR_DEBUG_
                        Printf("Sent repeat code!\n",12);
                        Printf("s_ucRemoteFlag = 0x%x\n", s_ucRemoteFlag);
#endif
                        tdAddVirtualKey(s_RemoteData.ucRemoteCode /*| _VK_STATUS_DOWN_*/);				
                        g_KeyInfo.bRepeatKeyDown = _TRUE_;
                    }
#else
                    tdAddVirtualKey(s_RemoteData.ucRemoteCode /*| _VK_STATUS_DOWN_*/);
#endif                
                    tdClearValBit(s_ucRemoteFlag, _RF_NEC_LEADERCODE_);
                    if(g_KeyInfo.bSlowRepeatKeyEnable)
                        t_RemoteData.wCount = t_RemoteData.wRepeatDelay*4 - 1;
                    else
                        t_RemoteData.wCount = t_RemoteData.wRepeatDelay - 1;
                }
                return;     //end
            }
        }
        //detect whether key is released up
        if (s_ucTimeOutCount != 0xFF)
            s_ucTimeOutCount++;
        else
            return;
        if (s_ucTimeOutCount > t_RemoteData.wRepeatDelay)       //nomatter last key is _FIRSTKEY_ or _REPEATKEY_
        {
            if (g_KeyInfo.bRemoteKeyDown)
            {
                if (g_KeyInfo.bRepeatKeyDown)       //clear repeat key in fifo
                    tdClearKeyInFIFO((FifoHandle)t_VirtualKeyBuffer, s_RemoteData.ucRemoteCode);

                g_KeyInfo.bRemoteKeyDown = _FALSE_;
                g_KeyInfo.bRepeatKeyDown = _FALSE_;
                s_ucTimeOutCount = 0xFF;            //don't +1 again
#ifdef _IR_DEBUG_
                tvDebugPrint("Before tdClearPreviousKey\n");
                for (uc = 0; uc < VIRTUALKEYBUFFERSIZE ; uc++)
                    tvDebugPrint2("t_VirtualKeyBuffer[%d] = %d\n", uc, t_VirtualKeyBuffer[uc]);
#endif

                if (g_KeyInfo.bKeyStatusUpEnable)
                {
                    tdAddVirtualKey(s_RemoteData.ucRemoteCode | _VK_STATUS_UP_);
                    tdSetKeyStatusUpFlag(_FALSE_);
                }

                s_RemoteData.ucRemoteCode = _VK_NONE_;
                tdSetFastRepeatKeyFlag(_FALSE_);    //to prevent adding repeat key after user obstructs RC for a while when press repeat key
                tdSetSlowRepeatKeyFlag(_FALSE_);

                //clear REPEAT and LEADERCODE flag
                tdClearValBit(s_ucRemoteFlag, _RF_NEC_REPEAT_ | _RF_NEC_LEADERCODE_);

#ifdef _IR_DEBUG_
                tvDebugPrint("After tdClearPreviousKey\n");
                for (uc = 0; uc < VIRTUALKEYBUFFERSIZE ; uc++)
                    tvDebugPrint2("t_VirtualKeyBuffer[%d] = %d\n", uc, t_VirtualKeyBuffer[uc]);
#endif
            }
        }   
    }
}

static Byte tdGetTimeInterval(Byte ucCurrentCountVal)
{
	/* when the INT0 interrupt the timer interrupt service */
	if (!ucCurrentCountVal)
		ucCurrentCountVal = tdLoadInitTimerCount();

#ifdef _TIMERCOUNT_DOWN_        
	if (ucCurrentCountVal < s_RemoteData.ucPreviousCountVal)
		ucCurrentCountVal =  s_RemoteData.ucPreviousCountVal - ucCurrentCountVal;
	else
		ucCurrentCountVal = s_RemoteData.ucPreviousCountVal + tdGetTimerBInterval() - ucCurrentCountVal;
#else
	if (ucCurrentCountVal >= s_RemoteData.ucPreviousCountVal)
		ucCurrentCountVal =  ucCurrentCountVal - s_RemoteData.ucPreviousCountVal;
	else
		ucCurrentCountVal =  ucCurrentCountVal + tdGetTimerBInterval() - s_RemoteData.ucPreviousCountVal;
#endif  
	return ucCurrentCountVal;
}


Bool ucselect = _TRUE_;
IWord ucCurrentCountValtemp1,ucCurrentCountValtemp2;
//Word ucRemotecodetest[100];
//static BYTE ucRemotetestIndex = 0;

static Void tdIRNECService(Void)
{                      
    IByte ucRemoteCode;
    IWord ucCurrentCountVal;
 /*   ucCurrentCountVal =  tdGetTimerBCurrentCount();