timedef.h

来自「ESS3890+SL原代码（1*16内存）」· C头文件 代码 · 共 46 行

/* Copyright 1996, ESS Technology, Inc.					*/
/* SCCSID @(#)timedef.h	4.4 03/05/04 */

/*
 * $Log$
 */

/*
 * New definitions for global clock. The new clock is updated according
 * to the video interrupt rate. Video interrupt various depending on the
 * encoder mode. The 60 NTSC field count is equal to 1 second.
 */

#ifndef __TIMEDEF_H__

GBLDEF_0(volatile unsigned int glbTimer, 0);

#define	ZERO_SECOND		0
#define THIRTIETH_SECOND	2
#define FIFTEENTH_SECOND	4
#define TENTH_SECOND		6
#define	EIGHTH_SECOND		8
#define QUARTER_SECOND		15
#define	HALF_SECOND		30
#define	ONE_SECOND		60
#define	TWO_SECOND		120
#define	THREE_SECOND		180
#define	FOUR_SECOND		240
#define	FIVE_SECOND		300
#define	SEVEN_SECOND		360
#define	EIGHT_SECOND		420
#define	TEN_SECOND		600
#define	TWELVE_SECOND		720
#define	FIFTEEN_SECOND		900
#define	TWENTY_SECOND		1200

#define TIMER2_INTERVAL	500	/* In msec (i.e. timer will be .5 sec)  */

#define CYCLES_IN_ONE_MS	(CPUCLK*100)  /* Number of CPU cycles in 1ms */
#define IDLE_CYCLES_IN_ONE_MS	(IDLECLK*100) /* Powerdown CPU cycles in 1ms */
#define IDLEFACTOR		(CPUCLK/IDLECLK)

#define	MICROSECOND(x)		((x)*(CPUCLK/10))
#define	MILLISECOND(x)		((x)*(CPUCLK*100))
#endif /* TIMEDEF_H__ */