cc.h

此程序为twell8806驱动程序

//cc.h
//LJY10102001
//========================================================================
// Closed Caption
//========================================================================

#ifndef __CC__
#define __CC__

#define		FIELD1				1
#define		FIELD2				2

#define CCFLAG		( CCFlag & 0x0f )

//value for CCFlag
#define CC_OFF		0

//#define	CC_ON		1			
#define CC_CC1		1	//Field 1
#define CC_CC2		2	//Filed 1
#define CC_CC3		3	//Field 2
#define CC_CC4		4	//Filed 2

#define CC_T1		5	//Field 1
#define CC_T2		6	//Field 1
#define CC_T3		7	//Field 2
#define CC_T4		8	//Field 2

#define CC_ACTIVE	0x10			//ready to display CC


//DebugTypeCCEDS level
#define		BASIC				0
#define		ENHANCED1			1
#define		ENHANCED2			2
#define		ENHANCED3			3
#define		HIGHEST_NOOUT		8

#ifdef  SUPPORT_TW88_CC_DECODER

#define CC_CHANNEL2	0x08
BYTE GetDebugTypeCCEDS(void);
void SetDebugTypeCCEDS(BYTE newd);

#endif

BYTE DoesCCFlagNeedDataFor( BYTE field);

void SaveCCEDSData(void);
BYTE GetCCFlag(void);
BYTE SetCCFlag(BYTE newd);
BYTE ChangeCC(BYTE flag);

BYTE ClosedCaption(BYTE cc_status, BYTE cc_data);

void CheckCCEDS(void);
void ResetCCEDS(void);

void ClearClosedCaption(void);
void InitClosedCaption(void);

void ClearCCControl(void);
//BYTE CCRow2OSDWindowY( BYTE row );

#endif	// __CC__