time_event.h

基于ADI BLACKFIN的jbig压缩和解压缩程序

/*
 *  TOPPERS/JSP Kernel
 *      Toyohashi Open Platform for Embedded Real-Time Systems/
 *      Just Standard Profile Kernel
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 * 
 *  忋婰挊嶌尃幰偼丆埲壓偺 (1)乣(4) 偺忦審偐丆Free Software Foundation 
 *  偵傛偭偰岞昞偝傟偰偄傞 GNU General Public License 偺 Version 2 偵婰
 *  弎偝傟偰偄傞忦審傪枮偨偡応崌偵尷傝丆杮僜僼僩僂僃傾乮杮僜僼僩僂僃傾
 *  傪夵曄偟偨傕偺傪娷傓丏埲壓摨偠乯傪巊梡丒暋惢丒夵曄丒嵞攝晍乮埲壓丆
 *  棙梡偲屇傇乯偡傞偙偲傪柍彏偱嫋戻偡傞丏
 *  (1) 杮僜僼僩僂僃傾傪僜乕僗僐乕僪偺宍偱棙梡偡傞応崌偵偼丆忋婰偺挊嶌
 *      尃昞帵丆偙偺棙梡忦審偍傛傃壓婰偺柍曐徹婯掕偑丆偦偺傑傑偺宍偱僜乕
 *      僗僐乕僪拞偵娷傑傟偰偄傞偙偲丏
 *  (2) 杮僜僼僩僂僃傾傪丆儔僀僽儔儕宍幃側偳丆懠偺僜僼僩僂僃傾奐敪偵巊
 *      梡偱偒傞宍偱嵞攝晍偡傞応崌偵偼丆嵞攝晍偵敽偆僪僉儏儊儞僩乮棙梡
 *      幰儅僯儏傾儖側偳乯偵丆忋婰偺挊嶌尃昞帵丆偙偺棙梡忦審偍傛傃壓婰
 *      偺柍曐徹婯掕傪宖嵹偡傞偙偲丏
 *  (3) 杮僜僼僩僂僃傾傪丆婡婍偵慻傒崬傓側偳丆懠偺僜僼僩僂僃傾奐敪偵巊
 *      梡偱偒側偄宍偱嵞攝晍偡傞応崌偵偼丆師偺偄偢傟偐偺忦審傪枮偨偡偙
 *      偲丏
 *    (a) 嵞攝晍偵敽偆僪僉儏儊儞僩乮棙梡幰儅僯儏傾儖側偳乯偵丆忋婰偺挊
 *        嶌尃昞帵丆偙偺棙梡忦審偍傛傃壓婰偺柍曐徹婯掕傪宖嵹偡傞偙偲丏
 *    (b) 嵞攝晍偺宍懺傪丆暿偵掕傔傞曽朄偵傛偭偰丆TOPPERS僾儘僕僃僋僩偵
 *        曬崘偡傞偙偲丏
 *  (4) 杮僜僼僩僂僃傾偺棙梡偵傛傝捈愙揑傑偨偼娫愙揑偵惗偠傞偄偐側傞懝
 *      奞偐傜傕丆忋婰挊嶌尃幰偍傛傃TOPPERS僾儘僕僃僋僩傪柶愑偡傞偙偲丏
 * 
 *  杮僜僼僩僂僃傾偼丆柍曐徹偱採嫙偝傟偰偄傞傕偺偱偁傞丏忋婰挊嶌尃幰偍
 *  傛傃TOPPERS僾儘僕僃僋僩偼丆杮僜僼僩僂僃傾偵娭偟偰丆偦偺揔梡壜擻惈傕
 *  娷傔偰丆偄偐側傞曐徹傕峴傢側偄丏傑偨丆杮僜僼僩僂僃傾偺棙梡偵傛傝捈
 *  愙揑傑偨偼娫愙揑偵惗偠偨偄偐側傞懝奞偵娭偟偰傕丆偦偺愑擟傪晧傢側偄丏
 * 
 *  @(#) $Id: time_event.h,v 1.8 2003/06/18 12:48:24 hiro Exp $
 */

/*
 *	僞僀儉僀儀儞僩娗棟儌僕儏乕儖
 */

#ifndef _TIME_EVENT_H_
#define _TIME_EVENT_H_

/*
 *  僀儀儞僩敪惗帪崗偺僨乕僞宆偺掕媊
 *
 *  EVTTIM 偼丆RELTIM 偲偟偰巜掕偱偒傞斖埻傛傝傕峀偄斖埻傪昞尰偱偒傞昁
 *  梫偑偁傞丏僗僞儞僟乕僪僾儘僼傽僀儖偱偼丆RELTIM 偑 16bit 埲忋偱側偗
 *  傟偽側傜側偄偨傔丆EVTTIM 偼 17bit 埲忋偱偁傞偙偲偑昁梫偱偁傞丏偦偺
 *  偨傔丆16bit 偺応崌偑偁傞 UINT 偱偼側偔丆UW 偵掕媊偟偰偄傞丏
 */
typedef UW	EVTTIM;

/*
 *  憡懳帪娫乮RELTIM乯偵巜掕偱偒傞嵟戝抣
 */
#define	TMAX_RELTIM	((((EVTTIM) 1) << (sizeof(EVTTIM) * CHAR_BIT - 1)) - 1)

/* 
 *  僞僀儉僀儀儞僩僽儘僢僋偺僨乕僞宆偺掕媊
 */
typedef void	(*CBACK)(VP);	/* 僐乕儖僶僢僋娭悢偺宆 */

typedef struct time_event_block {
	UINT	index;		/* 僞僀儉僀儀儞僩僸乕僾拞偱偺埵抲 */
	CBACK	callback;	/* 僐乕儖僶僢僋娭悢 */
	VP	arg;		/* 僐乕儖僶僢僋娭悢傊搉偡堷悢 */
} TMEVTB;

/*
 *  僞僀儉僀儀儞僩僸乕僾拞偺僲乕僪偺僨乕僞宆偺掕媊
 */
typedef struct time_event_node {
	EVTTIM	time;		/* 僀儀儞僩敪惗帪崗 */
	TMEVTB	*tmevtb;	/* 懳墳偡傞僞僀儉僀儀儞僩僽儘僢僋 */
} TMEVTN;

/*
 *  僞僀儉僀儀儞僩僸乕僾乮kernel_cfg.c乯
 */
extern TMEVTN	tmevt_heap[];

/*
 *  僔僗僥儉帪崗偺僆僼僙僢僩
 */
extern SYSTIM	systim_offset;

/*
 *  尰嵼偺僔僗僥儉帪崗乮扨埵: 儈儕昩乯
 *
 *  僔僗僥儉婲摦帪偵 0 偵弶婜壔偝傟丆埲崀丆isig_tim 偑屇偽傟傞搙偵扨挷
 *  偵憹壛偡傞丏set_tim 偵傛偭偰曄峏偝傟側偄丏
 */
extern SYSTIM	current_time;

/*
 *  師偺僞僀儉僥傿僢僋偺僔僗僥儉帪崗乮扨埵: 1儈儕昩乯
 */
extern SYSTIM	next_time;

/*
 *  僔僗僥儉帪崗愊嶼梡曄悢乮扨埵: 1/TIM_DENO儈儕昩乯
 *
 *  師偺僞僀儉僥傿僢僋偺僔僗僥儉帪崗偺壓埵寘傪帵偡乮忋埵寘偼 next_time乯丏
 *  TIC_DENO 偑 1 偺帪偼丆壓埵寘偼忢偵 0 偱偁傞偨傔丆偙偺曄悢偼昁梫側偄丏
 */
#if TIC_DENO != 1
extern UINT	next_subtime;
#endif /* TIC_DENO != 1 */

/*
 *  憡懳帪娫偺儀乕僗帪崗乮扨埵: 1儈儕昩乯
 *
 *  師偺僞僀儉僥傿僢僋偺僔僗僥儉帪崗傪愗傝忋偘偨帪崗丏TIC_DENO 偑 1 偺
 *  帪偼丆next_time 傪 EVTTIM 偵曄姺偟偨傕偺偵堦抳偡傞丏
 */
#if TIC_DENO == 1
#define	base_time	((EVTTIM) next_time)
#else /* TIC_DENO == 1 */
#define	base_time	((EVTTIM)(next_time + (next_subtime > 0 ? 1 : 0)))
#endif /* TIC_DENO == 1 */

/*
 *  僞僀儉僀儀儞僩僸乕僾偺嵟屻偺巊梡椞堟偺僀儞僨僢僋僗
 *
 *  僞僀儉僀儀儞僩僸乕僾偵搊榐偝傟偰偄傞僞僀儉僀儀儞僩偺悢偵堦抳偡傞丏
 */
extern UINT	last_index;

/*
 *  僞僀儉僀儀儞僩娗棟儌僕儏乕儖偺弶婜壔
 */
extern void	tmevt_initialize(void);

/*
 *  僞僀儉僀儀儞僩偺憓擖埵抲偺扵嶕
 */
extern UINT	tmevt_up(UINT index, EVTTIM time);
extern UINT	tmevt_down(UINT index, EVTTIM time);

/*
 *  僞僀儉僀儀儞僩僸乕僾傊偺搊榐偲嶍彍
 */
extern void	tmevtb_insert(TMEVTB *tmevtb, EVTTIM time);
extern void	tmevtb_delete(TMEVTB *tmevtb);

/*
 *  僞僀儉僀儀儞僩僽儘僢僋偺搊榐乮憡懳帪娫巜掕乯
 *
 *  time 偱巜掕偟偨憡懳帪娫偑宱夁屻偵丆arg 傪堷悢偲偟偰 callback 偑屇
 *  傃弌偝傟傞傛偆偵丆僞僀儉僀儀儞僩僽儘僢僋 tmevtb 傪搊榐偡傞丏
 */
Inline void
tmevtb_enqueue(TMEVTB *tmevtb, RELTIM time, CBACK callback, VP arg)
{
	assert(time <= TMAX_RELTIM);

	tmevtb->callback = callback;
	tmevtb->arg = arg;
	tmevtb_insert(tmevtb, base_time + time);
}

/*
 *  僞僀儉僀儀儞僩僽儘僢僋偺搊榐乮僀儀儞僩敪惗帪崗巜掕乯
 *
 *  time 偱巜掕偟偨僀儀儞僩敪惗帪崗偵丆arg 傪堷悢偲偟偰 callback 偑屇
 *  傃弌偝傟傞傛偆偵丆僞僀儉僀儀儞僩僽儘僢僋 tmevtb 傪搊榐偡傞丏
 */
Inline void
tmevtb_enqueue_evttim(TMEVTB *tmevtb, EVTTIM time, CBACK callback, VP arg)
{
	tmevtb->callback = callback;
	tmevtb->arg = arg;
	tmevtb_insert(tmevtb, time);
}

/*
 *  僞僀儉僀儀儞僩僽儘僢僋偺搊榐夝彍
 */
Inline void
tmevtb_dequeue(TMEVTB *tmevtb)
{
	tmevtb_delete(tmevtb);
}

#endif /* _TIME_EVENT_H_ */