msapi_tuner_a.h

mstar 776 开发的车载dvd

#ifndef MSAPI_TUNER_H
#define MSAPI_TUNER_H



/********************************************************************************/
/*      			   Macro													*/
/********************************************************************************/
typedef enum
{
	DEMOD_MODE_NTSC,
	DEMOD_MODE_256QAM,
	DEMOD_MODE_64QAM,
	DEMOD_MODE_8VSB,
	DEMOD_MODE_NUM
} EN_DEMOD_MODE;

typedef enum
{
	DEMOD_SPECTRUM_NORMAL,
	DEMOD_SPECTRUM_INVERTER,
	DEMOD_SPECTRUM_AUTO
} EN_DEMOD_SPECTRUM_MODE;

typedef enum
{
	SIGNAL_NO			= 0,	/* little or no input power detected	*/
	SIGNAL_WEAK		,	/* some power detected.					*/
	SIGNAL_MODERATE	,	/* lock achieved, SNR < 15 dB (approx)	*/
	SIGNAL_STRONG		,	/* lock achieved, SNR < 24 dB (approx)	*/
	SIGNAL_VERY_STRONG,	/* lock achieved, SNR > 24 dB (approx)	*/
}EN_SIGNAL_CONDITION;

typedef struct
{
    U16 u16Frequency; //(50,000 ~ 860,000 Khz)/Tuner_Step
    U8 fModulation :2; //0:NTSC 1:256QAM 2:64QAM 3:8VSB
    U8 fSpectrum :2;   //0:normal 1:inverter 2:auto-tune
    U8 reserved :4;
} MS_TP_SETTING;


#ifdef MSAPI_TUNER_C
#define INTERFACE
#else
#define INTERFACE extern
#endif

INTERFACE void msAPI_Tuner_InintCurrentTPSetting(void);
INTERFACE void msAPI_Tuner_Initialization(void);
INTERFACE void msAPI_Tuner_SetFreq(U16 u16Frequency, EN_DEMOD_MODE enModulation);
INTERFACE void msAPI_Tuner_ZigZagScan(void);
INTERFACE void msAPI_Tuner_Tune2RfCh(MS_TP_SETTING *pstTPSetting);
INTERFACE BOOLEAN msAPI_Tuner_IsSameRfChannel(MS_TP_SETTING *pstTPSetting);
INTERFACE U8 msAPI_Tuner_GetLockStatus(EN_DEMOD_MODE enModulation);
INTERFACE U32 msAPI_Tuner_GetTimer2CheckLock(U8 Antenna_Type, U8 u8ScanType, U8 CheckLockStage);
INTERFACE void msAPI_Tuner_PowerOnOff(BOOLEAN bPower);
INTERFACE EN_SIGNAL_CONDITION msAPI_Tuner_CheckSignalSNR(void);
INTERFACE void msAPI_Tuner_SetSpectrum(EN_DEMOD_SPECTRUM_MODE enSpectrum);

INTERFACE BOOLEAN msAPI_Demodulator_Init(EN_DEMOD_MODE enModulation,EN_DEMOD_SPECTRUM_MODE enSpectrumType);
INTERFACE BOOLEAN msAPI_VSB_Check_Lock(void);
INTERFACE BOOLEAN msAPI_Demodulator_Reset(void);
INTERFACE BOOLEAN msAPI_QAM_Check_Lock(MS_TP_SETTING *pstDemodeTPSetting);
INTERFACE BOOLEAN msAPI_NTSC_GetFreq_Offset(MS_TP_SETTING *pstModifyTPSetting);
INTERFACE BOOLEAN msAPI_CHECK_AFT_FUNCTION(U16 Frequency, U8 Modulation,U8 *AFT_Result, BOOLEAN *VD_Result);
INTERFACE BOOLEAN msAPI_Demodulator_Get_Lock(EN_DEMOD_MODE enModulation);
INTERFACE BOOLEAN msAPI_In_AFT_Win_Check(MS_TP_SETTING *pstModifyTPSetting);
INTERFACE BOOLEAN msAPI_AFT_Freq_Offset_Tune(MS_TP_SETTING *pstModifyTPSetting);
INTERFACE BOOLEAN msAPI_NTSC_Check_Lock(MS_TP_SETTING *pstModifyTPSetting);

#undef INTERFACE

#endif /* MSAPI_OSD_H */