rds.c

我个人编写的车载dvd上的程序

/*********************************************************
	Project:		ST FST(TDA7540)
	File name:	RDS.c
	Description:	
	Write/Modify:	Perry Liang
	Time:		2006-1-24- 15:35:50
*********************************************************/
#include "public.h"


static const unsigned char PTYDisplayTable[33][9]=
{
	"  None  ",
	"  News  ",
	"Affairs ",
	"  Info  ",
	" Sport  ",
	"Educate ",
	" Drama  ",
	"Culture ",
	"Science ",
	" Varied ",
	" Pop M  ",
	" Rock M ",
	" Easy M ",
	"Light M ",
	"Classics",
	"Other M ",
	"Weather ",
	"Finance ",
	"Children",
	" Social ",
	"Religion",
	"Phone In",
	" Travel ",
	"Leisure ",
	"  Jazz  ",
	"Country ",
	"Nation M",
	" Oldies ",
	" Folk M ",
	"Document",
	"  Test  ",
	" Alarm  ",
	"PTY Seek"
};

/*********************************************
	Function:		CalMJD
	Description:	calculate year/month/date
	Write/Modify:	Perry.Liang
	Time:		2006-10-16- 16:55:04
*********************************************/
void CalMJD(void)
{
	unsigned char Yp,Mp,Y,M,D,K;
	Yp=(unsigned char)((RDS.MJD-15078.2)/365.25);
	Mp=(unsigned char)((RDS.MJD-14956.1-(unsigned int)(Yp*365.25))/30.6001);
	D = (unsigned char)(RDS.MJD-14956-(unsigned int)(Yp* 365.25)-(unsigned int)(Mp*30.6001));
	if(Mp==14|| Mp==15)
		K=1;
	else
		K=0;
	Y=Yp+K;
	M=Mp-1-K*12;

	year=Y+1900;
	month=M;
	date=D;
}

/*********************************************
	Function:		RDSInit
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:37:52
*********************************************/
void RDSInit(void)
{
	PD_RDSDATA=0;
	PCR1_RDSDATA=0;
	PCR2_RDSDATA=0;
	Enable_RDS_Int();
	
	RDSDataInit();
	
	RDS.F_AFEnable=1;
	RDS.F_REGEnable=0;
	RDS.F_PIMuteEnable=1;
	
	#ifdef EON_ENABLE
		RDS.F_EONEnable=1;
	#endif
	
	AFCheckDisable1sTimer=90;
	AFCheckBetweenList100msTimer=30;
	AFCheckBetweenFreq10msTimer=120;
	AFFastCheckBetweenList100msTimer=10;
	AFFastCheckBetweenFreq10msTimer=10;
	PISeek10msTimer=600;
}

/*********************************************
	Function:		RDSMain
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:37:51
*********************************************/
void RDSMain(void)
{
	RDSDataMain();
	RDSDisplay();
	RDSKey();

	if(RDS.F_GetNewCT)
	{
		RDS.F_GetNewCT=0;
		ClockChange(RDS.TimeHour,RDS.TimeMin);
		CalMJD();
	}

	#ifdef EON_ENABLE
	// EON
	if(RDS.F_TAEnable&&RDS.F_EONEnable&&!F_InTASwitch)
	{
		// EONTA switch
		if(RDS.F_GetNewEONTA&&RDS.EONTA&&RDS.F_GetEONAFList&&!F_InEONTASwitch
			&&InTADelayTimer==0&&EnterEONTADelayTimer==0)
		{
			EnterTADelayTimer=0;
			SwitchToEONTa();
		}
		if(F_InEONTASwitch&&InTADelayTimer==0&&((!RDS.TA)||NotRDSStation))
		{
			EONTaSwitchBack();
			if(RDS.TA)
			{
				EnterTADelayTimer=30;
			}
		}

	}
	#endif
	
	if(RDS.F_TAEnable&&!F_InEONTASwitch)
	{
		// TA switch
		if(RDS.F_GetNewTA)
		{
			RDS.F_GetNewTA=0;
			if(RDS.TA)
			{
				EnterTADelayTimer=30;
			}
			else
			{
				TaSwitchBack();
				if(RDS.EONTA)
				{
					EnterEONTADelayTimer=30;
				}
			}
		}

		if(EnterTADelayTimer==1)
		{
			EnterTADelayTimer=0;
			if((!RDS.EONTA)&&RDS.TA)
				SwitchToTa();
		}

		if(NotRDSStation&&F_InTASwitch&&InTADelayTimer==0)		
		{
			TaSwitchBack();

			if(RDS.EONTA)
			{
				EnterEONTADelayTimer=30;
			}
		}
		
		// Auto TA seek
		if(RDS.TP||RDS.TA)
		{
			AutoTASeekTimer=0;
		}
		else
		{
			if(AutoTASeekTimer==1&&Radio.WorkMode==RADIO_WORK_IDLE&&FreqInFM(Radio.Freq)&&!FreqInJapanFM(Radio.Freq)&&!FreqInWBFM(Radio.Freq))
			{
				Radio.Direction=1;
				Radio.WorkMode=RADIO_WORK_SEEKREQ;
			}
			if(AutoTASeekTimer==0||AutoTASeekTimer==1)
				AutoTASeekTimer=600;

		}

	}

	
	// PI SEEK
	if(RDS.PISeekTimer==1&&Radio.WorkMode==RADIO_WORK_IDLE&&FreqInFM(Radio.Freq)&&!FreqInJapanFM(Radio.Freq)&&!FreqInWBFM(Radio.Freq))
	{
		RDS.PISeekTimer=0;
		if(RDS.F_AFEnable)
		{
			Radio.Direction=1;
			Radio.WorkMode=RADIO_WORK_SEEKREQ;
			RDS.F_PISeek=1;
		}
	}
	
	if(PTYSelectTimer==1)
	{
		PTYSelectTimer=0;
		F_PTYSelect=0;
		RDS.F_PTYEnable=0;
		
		F_NoPTY=0;
		//Radio.F_TunerDispReq=1;
		System.DispMode.Requst=DISPMODE_RADIO;
		RDSDispMode=RDSDISP_IDLE;
	}
}

/*********************************************
	Function:		RDSKey
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:37:48
*********************************************/
void RDSKey(void)
{


	if(F_MuteKey)return;
#if 0	
	if(F_PTYSelect
		&&(CHECK_KEY!=P_AD_SEEKUP)
		&&(CHECK_KEY!=P_AD_SEEKDN)
		&&(CHECK_KEY!=P_AD_VOLUP)
		&&(CHECK_KEY!=P_AD_VOLDN)
		&&KeyCode!=P_AD_PTY
		&&KeyCode!=S_AD_PTY
		&&KeyCode!=P_AD_SEL
		&&KeyCode!=S_AD_SEL
		&&KeyCode!=NOKEY)
		PTYSelectTimer=1;
	#endif // add it by jzq and think it over 2009 -1-1
	switch (SysCommand)
	{
		 case SYSTEM_COMMAND_RDS_VOL_UP:
			if(F_PTYSelect)
			{
				PTYSelectType=MaxMinChangeProtect(PTYSelectType, 1, 31, 1, 0);
				PTYSelectTimer=100;
				F_RDSDispReq=1;
			}
			break;
			
		case SYSTEM_COMMAND_RDS_VOL_DN:
			if(F_PTYSelect)
			{
				PTYSelectType=MaxMinChangeProtect(PTYSelectType, -1, 31, 1, 0);
				PTYSelectTimer=100;
				F_RDSDispReq=1;
			}
			break;
			
		case SYSTEM_COMMAND_RDS_AF:
			if (FreqInAM(Radio.Freq)||FreqInJapanFM(Radio.Freq)||FreqInWBFM(Radio.Freq))
				break;
			if (RADIO_IN_SEARCH)
				break;

			RDS.F_AFEnable=~RDS.F_AFEnable;
			F_RDSDispReq=1;
			if(System.FWorkMode.Current!=WORKMODE_RADIO)break;

			break;

		case SYSTEM_COMMAND_RDS_TA:
			if (FreqInAM(Radio.Freq)||FreqInJapanFM(Radio.Freq)||FreqInWBFM(Radio.Freq))
				break;
			if (RADIO_IN_SEARCH)
				break;
			BreakAFCheck();

			RDS.F_TAEnable=~RDS.F_TAEnable;
			F_RDSDispReq=1;
			if(System.FWorkMode.Current!=WORKMODE_RADIO)break;

			if (RDS.F_TAEnable)
			{
				if(!RDS.TP)
				{
					Radio.Direction=1;
					Radio.WorkMode=RADIO_WORK_SEEKREQ;
				}
				
				if(RDS.TA)
				{
					SwitchToTa();
				}
			}
			else
			{
				if(F_InTASwitch)TaSwitchBack();
				#ifdef EON_ENABLE
					if(F_InEONTASwitch)EONTaSwitchBack();
				#endif
			}

			break;

		case SYSTEM_COMMAND_RDS_PTY:
			if (System.FWorkMode.Current!= WORKMODE_RADIO)
				break;
			//if (FreqInAM(Radio.Freq)||F_InTASwitch)
			if (FreqInAM(Radio.Freq)||FreqInJapanFM(Radio.Freq)||FreqInWBFM(Radio.Freq)||F_InTASwitch||F_InEONTASwitch)
				break;

			if(F_PTYSelect)
			{
				PTYSelectTimer=1;
				break;
			}
			
			if(PTYSelectType==0)PTYSelectType=1;
			
			F_PTYSelect=1;
			RDS.F_PTYEnable=1;
			PTYSelectTimer=100;
			F_NoPTY=0;
			//Radio.F_TunerDispReq=1;
			System.DispMode.Requst=DISPMODE_RDS;
			RDSDispMode=RDSDISP_PTYSELECT;
		   	 break;	

		case SYSTEM_COMMAND_RDS_DISP:
			if(System.DispMode.Current==DISPMODE_RDS&&RDSDispMode==RDSDISP_PS)
			{
				RDSDispTimer=50;
				System.DispMode.Requst=DISPMODE_RADIO;
				RDSDispMode=RDSDISP_IDLE;
			}
			//else if(RDSDispTimer>1&&System.DispMode.Current==DISPMODE_RADIO)
			else if(System.DispMode.Current==DISPMODE_RADIO)
			{
				if(RDS.F_PSExist)
				{
					RDSDispTimer=50;
					System.DispMode.Requst=DISPMODE_RDS;
					RDSDispMode=RDSDISP_PTY;
				}
			}
			else if(System.DispMode.Current==DISPMODE_RDS&&RDSDispMode==RDSDISP_PTY)
			{
				RDSDispTimer=50;
				System.DispMode.Requst=DISPMODE_RDS;
				RDSDispMode=RDSDISP_PS;
			}
			break;	
			
		case SYSTEM_COMMAND_RDS_AF_LONG:
			RDS.F_REGEnable=~RDS.F_REGEnable;
			break;
		}

}

/*********************************************
	Function:		RDSDisplay
	Description:	
	Write/Modify:	Perry.Liang
	Time:		2006-1-24- 15:37:46
*********************************************/
void RDSDisplay(void)
{

	unsigned char i;
       unsigned char str[]= "       ";
	if(System.DispMode.Next==DISPMODE_RDS)
	{
		F_RDSDispReq=1;
	}
	/*if(System.DispMode.Last==DISPMODE_RDS)
	{
	}*/
	
	/*if(!RDSAFChecking)
	{
		F_DISP_AF=0;
		F_DISP_TA=0;
		F_DISP_TP=0;
		F_DISP_PTY=0;
	}*/
	if (FreqInAM(Radio.Freq)||FreqInJapanFM(Radio.Freq)||FreqInWBFM(Radio.Freq))
		return;
	
	if(System.PowerMode!=POWERMODE_POWERON||System.AccMode!=ACCMODE_ACCON)return;	

	/*if(F_HalfSecondOut)
	{
		ShowVolBar();
		if(F_SpecOK)
		{
			F_SpecOK=0;
			ShowSpectrum();
		}
		RadioTunerRead();
		if (F_TunerStereo)
			F_DISP_ST=1;
		else
			F_DISP_ST=0;
	}*/

	
	if(RDS.F_AFEnable)
	{
		if(RDSStation&&(!RDSAFChecking))
		{
			F_DISP_AF=1;
		}
		else
		{