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usifORG.h：源码内容
							/*
 * COPYRIGHT (C) STMicroelectronics Pte Ltd 2004.
 *
 * Source file name	: usif.h
 * Description		: Usif header
 * Author			: TM CHUA
 *
 * =======================
 * IMPROVEMENTS	THOUGHT	OF
 * =======================
 *
 * =====================
 * MODIFICATION	HISTORY:
 * =====================
 *
 * Date			Initials	Modification
 * ----			--------	------------
 * 05.03.04		TM CHUA		Created
 */
/* Includes --------------------------------------------------------------- */
#ifndef __USIF_H
#define __USIF_H
/* C++ support */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdarg.h>
#include <debug.h>
#include "stddefs.h"
#include "staud.h"
#include "vid.h"
#include "stpti.h"
#include "stvtg.h"
#include "sttbx.h"
#include "appltype.h"
#include "sr_dbase.h"
/*#define USIF_DEBUG*/ 
#define MAX_MIXWEIGHT           0x3f /*  mixweight  */
#define VOLUME_STEP             4
#define MAX_VOL_LEVEL          63 /*63 */  /*64*/
#define MIN_VOL_LEVEL           0   /*48*/
#define MID_VOL_LEVEL           32
#define INCREASE_VOLUME         0    /* vol+ */
#define DECREASE_VOLUME         1    /* vol- */
#define MUTE_VOLUME             2    /* mute */
#define VOL_BALANCE_RIGHT_MAX   2 /*( MAX_VOL_LEVEL - MIN_VOL_LEVEL )*/
#define VOL_BALANCE_LEFT_MAX    1 /*( -1 * ( MAX_VOL_LEVEL - MIN_VOL_LEVEL ) )*/
#define VOL_BALANCE_CENTRE      0
#define INDEFINITE_WAIT         0
#define WAIT_FOR_1_SEC          ST_GetClocksPerSecondLow()
#define WAIT_FOR_2_SEC          ( 2 * WAIT_FOR_1_SEC )
#define WAIT_FOR_3_SEC          ( 3 * WAIT_FOR_1_SEC )
#define WAIT_FOR_10_SEC         ( 10 * WAIT_FOR_1_SEC )
#define WAIT_FOR_HALF_SEC       ( WAIT_FOR_1_SEC / 2 )
#define WAIT_FOR_QUARTER_SEC    ( WAIT_FOR_1_SEC / 4 )
#define WAIT_FOR_ONE_EIGHTH_SEC ( WAIT_FOR_1_SEC / 8 )
#define PROGRAM_INVALID         0
#define PROGRAM_VIDEO_ONLY      1
#define PROGRAM_AUDIO_ONLY      2
#define PROGRAM_VIDEO_AUDIO     3
#define PROGRAM_DATA_ONLY       4
#define DEFAULT_ROW_START       20
#define DEFAULT_COL_START       100
#define DEFAULT_DIALOG_ITEM     0
#define   MAX_NO_OF_MENU_ELEMENTS_IN_BIG_SCREEN 10
#define   MAX_EPG_ITEM  8 
#define MAX_DIALOG_MENU_ITEMS 3
#define INSTALL_INFO_BANDWIDTH_MASK     0x0C  /*leslie*/
/*TMTM -for cable*/
typedef struct
{
    U8 SignalStrength;
    U32 SignalQuality;
    U32 BitErrorRate;
} SIGNALINFO;
typedef enum
{
    CURSOR_OFF,
    CURSOR_ON
} cursor_state_t;
/* --- */
typedef enum
{
    PREV_PAGE,
    NEXT_PAGE
} menu_page_sel_t;
/* --- */
typedef enum
{
    WAIT_AT_STARTUP,
    WAIT_AT_PROGRAM_NO_ENTRY,
    WAIT_AT_CHANNEL_CHANGE,
    WAIT_AT_INFO_DISPLAY,
    WAIT_AT_VOLUME_CONTROL,
    WAIT_AT_IDLE
} wait_duration_sel_t;
typedef enum
{
    LEFT_JUSTIFICATION,
    CENTER_JUSTIFICATION,
    RIGHT_JUSTIFICATION
} text_justification_mode_t;
typedef struct MENU_DATA_STRUCT_TAG
{
    struct MENU_DATA_STRUCT_TAG *Prev;
    struct MENU_DATA_STRUCT_TAG *Next;
    BYTE aucData[80];
} MENU_DATA_STRUCT;
typedef struct dialogmenustruct
{
    char *pacItemText;     /* Dialog prompt */
} DIALOGMENU;
/*
 *      it contains the details of the box state when it was operated
  *     last time.
 */
typedef struct box_info_t
{
    char cValidity;      /* 0= Invalid: 1= Valid */
    char current_box_state;  /* ON/ STANDBY */
    char bSupplyLnb;     /* power up LNB from IRD */
    char bMuteState;     /* Mute  state 0= NO_MUTE 1= MUTE */
    char cVolLevel;      /* Volume Level  */
    char cVolBalance;    /* Balance Level */
    WORD2SHORT stLastWatchingProg;
    /*
     * stLastWatchingProg .     sLo16 - Program No (16)
     * stLastWatchingProg .     sHi16 - Transponder No (16)
     */
    /*added  int Scart_infoTV;*/
    BYTE Install_Info; /*
                        * BIT0= Output display format
                        *       0- 4:3
                        *       0- 16:9
                        * BIT1= VCR Recording Source
                        *       0- IRD
                        *       0- AUX
                        * BIT2-3= BANDWIDTH
                        * BIT4-7= RESERVED
                        */
    char cPassword[9];  
    BOOL bParentalLock;	/* FALSE: Disabled (default), TRUE: Enabled */ 
    int LnbIndex;
    STAUD_Stereo_t stAudMode; 				/* TONY */
    int	iUILanguage;				/* TONY */
    int	timeDateUserOffset;		/* the time difference between the current time and UTC */
    signed char		xpdrTimeRef;	/* Xpdr to be used as time reference, TDT */
} BOX_INFO_STRUCT;
/*******************************/
extern U8 mixweight;
extern tuner_module_state_t tuner_module_state;
extern dbase_module_state_t dbase_module_state;
extern epg_module_state_t epg_module_state;
extern MENU_DATA_STRUCT astMenuData[MAX_NO_OF_MENU_ELEMENTS_IN_BIG_SCREEN];
extern MENU_DATA_STRUCT *pstMenuDataHead,
    *pstMenuDataTail;
extern BOOL bShowFirstProgram;
extern menu_page_sel_t menu_page_last_sel;
extern char acGeneralBuffer[80];
#ifdef PIP_SUPPORT
	extern SHORT sCurTransponderId_Multiple[];
	#define sCurTransponderId sCurTransponderId_Multiple[SRAVC_GetFocusedDecoder()]
	extern int iCurrentProgramNo_Multiple[];
	#define iCurrentProgramNo iCurrentProgramNo_Multiple[SRAVC_GetFocusedDecoder()]
#else
	extern SHORT sCurTransponderId;
	extern int iCurrentProgramNo;
#endif
extern BOX_INFO_STRUCT *pstBoxInfo;
extern opaque_t idNvmBoxInfoId;
extern BOOL bNvmBoxInfoPresent;
extern BOOL NvmPgmPresent;		/* TONY */
extern PROGRAM_LIST     *ProgramList;  /* TONY */
extern STAUD_Stereo_t stCurAudMode;	/* TONY */
extern int		iUIlanguage;				/* TONY */
extern WORD2SHORT uiProgBeingWatched;
extern signed char cCurVolLevel;
extern signed char cCurVolBalance;
extern BOOL bAudioMuteState;
extern clock_t tclkWaitDuration;
extern wait_duration_sel_t wait_duration_forced_during;
extern BOOL bScreenInUse;
extern BOOL bScreen2bCleared;
extern BOOL bAntiflick;
extern semaphore_t *psemDisplayBufferAccessLock;
extern char acDisplayBuffer[3][60];
extern int iInputFrequency;
extern int iSymbolRate;
#ifdef BUILD_FOR_DVBS
extern int iPolarization;	/* 1 = Horizontal; 2 = Vertical */
extern int LnbIndex;
extern BOOL LnbSupplyOn;
#endif
#ifdef BUILD_FOR_DVBC
extern int iModulation;
#endif
extern BOOL parentalLockEnabled;
#ifdef ENABLE_DVR_FEATURE
extern char playbackFileName[];			/* id of the file currently shown */
#endif
extern U8 newHoursData;
extern U8 newMinutesData;
extern U8 newYearData;
extern U8 newMonthData;
extern U8 newDayData;
/* C++ support */
#ifdef __cplusplus
}
#endif
#endif

						