sysinfo.h

来自「一个不错的硬盘播放器程序,包含VFD显示程序,红外线遥控程序,硬盘读写程序,及解」· C头文件 代码 · 共 203 行

/* Copyright 1996, ESS Technology, Inc.					*/
/* SCCSID @(#)sysinfo.h	1.59 2/23/98 */

/*
 * $Log$
 */

#ifndef __SYSINFO_H__
#define __SYSINFO_H__

#ifdef DSC
#include "dsc.h"
#endif

#include "constvar.h"

#include <setjmp.h>

/* Make sure that both ABV and PCM are integer multiples of CDDA_chunk. */
#define CDDA_chunk 128 

/* Different drive manufactural */
#define	CD_TOSHIBA	0		/* Toshiba 9269 (not tested!!)	*/
#define CD_MITSUBISHI   0		/* Mitsubish IIS format		*/
#define	CD_SANYO	1		/* Sanyo   CD			*/
#define	CD_PHILIPS	2		/* Philips CD			*/
#define	CD_SONY		3		/* Sony 2500/Samsung    CD	*/
#define	CD_MATSUSHITA	4		/* Matsushita DSP		*/

#ifdef VCDROM
#define RGB_NTSC        0
#define RGB_PAL         1
#endif

/* TV encoder/TV mode selection */
#if (CUST3_515 || CUST3_52 || CUST3_63 || CUST71)
#ifdef CUST71
#define TV_PAL      0   /* Set encoder to PAL mode      */
#define TV_NTSC     1   /* Set encoder to NTSC mode     */
#else
#define	TV_PAL		3	/* Set encoder to PAL mode		*/
#define TV_NTSC		1	/* Set encoder to NTSC mode		*/
#define	TV_AUTO		2	/* Depend on disk being played to set	*/
#define TV_INVALID	0	/* Invalid value			*/
#endif	/* CUST71 */
#else
#ifdef CUST4
#define TV_AUTO_PAL	0	/* TV_AUTO with PAL startup		*/
#define	TV_AUTO		1	/* Depend on disk being played to set	*/
#define	TV_PAL		2	/* Set encoder to PAL mode		*/
#define TV_NTSC		3	/* Set encoder to NTSC mode		*/
#else
#define	TV_PAL		0	/* Set encoder to PAL mode		*/
#define TV_NTSC		1	/* Set encoder to NTSC mode		*/
#define	TV_AUTO		2	/* Depend on disk being played to set	*/
#define TV_INVALID	3	/* Invalid value			*/
#endif /* CUST4 */
#endif /* CUST3_xxx */
/* For showingLogo */
#define	SHOWING_NOLOGO		0
#define	SHOWING_POWERUPLOGO	1
#define	SHOWING_CDDALOGO	1	/* Set to 2 if a different CDDA	*
					 * logo is used.		*/
#if (!CUST3 || CUST71)

#ifdef CUST4
#define	PREPARE_DETECTION
#else
#define	PREPARE_DETECTION	((mvd_version == 0x3208) ? 		\
				 (void) *(char *) x18000000 : 0)
#endif /* CUST4 */

#else

#ifndef NOHOSTPORT
#define ENABLE_DATA_READ        CLEAR_AUX4
#define DISABLE_DATA_READ       SET_AUX4
#else
#define ENABLE_DATA_READ
#define DISABLE_DATA_READ
#endif

#define	PREPARE_DETECTION	      { int i;                   \
					DISABLE_DATA_READ;       \
					for (i = 0; i < 1; i++); \
				      }
#endif

#ifdef CUST3

#ifdef NOHOSTPORT

#ifdef S215
extern int read_tv_system;
#define IS_TV_NTSC		(read_tv_system & 0x01)
#else
#define EXT_INPUT		(*(int *)x18000000)
#define IS_TV_NTSC		!((EXT_INPUT&0x04) >> 2)
#endif /* S215 */

#else

#define IS_TV_NTSC		(!AUX5_HIGH)
#endif /* NOHOSTPORT */

#else /* CUST3 */ 

#ifdef H1900
#define IS_TV_NTSC		is_tv_ntsc()	       	
#else

#ifdef DSC
/*#define	IS_TV_NTSC		(EAUX4_HIGH) ?*/
#ifdef SERVO
/*
 * EAUX4 now use for Servo control, has to use other EAUX pin
 */
#define IS_TV_NTSC      	EAUX15_LOW
#else
#define	IS_TV_NTSC		(EAUX4_HIGH) 
#endif SERVO
#else
#define IS_TV_NTSC		(AUX5_LOW)
#endif /* DSC */

#endif /* H1900 */

#endif /* CUST3 */

#ifdef NO_MICRO
#define DETECT_NTSC		IS_TV_NTSC
#else
#ifdef CUST4
extern unsigned char cust4_TV_mode;
#define DETECT_NTSC		cust4_TV_mode
#else
#define DETECT_NTSC 		((mvd_version == 0x3210) ? \
                              (IS_TV_NTSC) : (mvd[r_hostdmaport] & 0x1))
#endif /* CUST4 */
#endif

/* Reset CD loader */
#ifdef SERVO	
/*
 * EAUX3 now use for Servo control, has to use other EAUX pin
 */
#define RESET_CD_LOW    CLEAR_EAUX14
#define RESET_CD_HIGH   SET_EAUX14
#else
#define	RESET_CD_LOW	CLEAR_EAUX3
#define RESET_CD_HIGH	SET_EAUX3
#endif SERVO

#ifdef PLAYONLY
GBLDEF_0(volatile int PO_newdata, 0);	/* 1 changing from guess to CDDA*
					 * 2 changing from guess to VCD	*
					 * 3 changing to "guess mode"	*/
GBLDEF(char showingLogo, SHOWING_POWERUPLOGO); /* Which logo is shown	*/
#endif

GBLDEF_0(int VCD_30, 0);
GBLDEF_0(int ready_to_switch, 0);
GBLDEF_0(int audio_is_way_ahead, 0);
GBLDEF_0(int video_is_way_ahead, 0);
GBLDEF_0(int current_task, 0);
GBLDEF(int picture_type, 0xe0);
#ifdef WATCHDOG
GBLDEF_0(jmp_buf err_buf, {0});
#endif

#ifdef SVCD
GBLDEF(int mpeg2      ,    0);
GBLDEF(int speed2     ,    0);
#endif 
GBLDEF(int beam_offset, 16*2);

GBLDEF_0(int VBV_fullness, 0);
GBLDEF_0(int ABV_fullness, 0);
GBLDEF_0(int PCM_fullness, 0);

#ifdef ERROR_CONCEALMENT
/*
 * For error concealment in e0, we can have two modes to handle bad video.
 * By defining concealment_mode to be BLOCKY, we will have blocky and less
 * jerky video. On the other hand, if it is assigned to be JERKY, we will
 * have less blocky but jerky video.
 */
typedef enum {
    BLOCKY,
    JERKY
} CONCEALMENT_MODE;
GBLDEF(CONCEALMENT_MODE concealment_mode, JERKY);

GBLDEF(int Copy_B_in_progress,0);
#endif

EXPORT	void	system_reset(void);
EXPORT	void	system_start(void);
EXPORT	void	system_audio_partial_reset(int);
EXPORT	void	hardware_reset(int);

#endif /* __SYSINFO_H__ */