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CoOS/kernel/timer.c@0:94897d537b31, 2011-09-10 (annotated)

Committer:: astroboy
Date:: Sat Sep 10 22:41:10 2011 +0000
Revision:: 0:94897d537b31

Who changed what in which revision?

User	Revision	Line number	New contents of line
astroboy	0:94897d537b31	1	/**
astroboy	0:94897d537b31	2	*******************************************************************************
astroboy	0:94897d537b31	3	* @file timer.c
astroboy	0:94897d537b31	4	* @version V1.1.4
astroboy	0:94897d537b31	5	* @date 2011.04.20
astroboy	0:94897d537b31	6	* @brief timer management implementation code of CooCox CoOS kernel.
astroboy	0:94897d537b31	7	*******************************************************************************
astroboy	0:94897d537b31	8	* @copy
astroboy	0:94897d537b31	9	*
astroboy	0:94897d537b31	10	* INTERNAL FILE,DON'T PUBLIC.
astroboy	0:94897d537b31	11	*
astroboy	0:94897d537b31	12	* <h2><center>© COPYRIGHT 2009 CooCox </center></h2>
astroboy	0:94897d537b31	13	*******************************************************************************
astroboy	0:94897d537b31	14	*/
astroboy	0:94897d537b31	15
astroboy	0:94897d537b31	16
astroboy	0:94897d537b31	17
astroboy	0:94897d537b31	18	/---------------------------- Include ---------------------------------------/
astroboy	0:94897d537b31	19	#include <coocox.h>
astroboy	0:94897d537b31	20
astroboy	0:94897d537b31	21	/---------------------------- Variable Define -------------------------------/
astroboy	0:94897d537b31	22	#if CFG_TMR_EN > 0
astroboy	0:94897d537b31	23
astroboy	0:94897d537b31	24	TmrCtrl TmrTbl[CFG_MAX_TMR]= {{0}};/!< Table which save timer control block./
astroboy	0:94897d537b31	25	P_TmrCtrl TmrList = Co_NULL; /!< The header of the TmrCtrl list. /
astroboy	0:94897d537b31	26	U32 TmrIDVessel = 0; /!< Timer ID container. /
astroboy	0:94897d537b31	27
astroboy	0:94897d537b31	28
astroboy	0:94897d537b31	29	/**
astroboy	0:94897d537b31	30	*******************************************************************************
astroboy	0:94897d537b31	31	* @brief Insert a timer into the timer list
astroboy	0:94897d537b31	32	* @param[in] tmrID Specify timer ID which insertted.
astroboy	0:94897d537b31	33	* @param[out] None
astroboy	0:94897d537b31	34	* @retval E_INVALID_ID Timer ID passed was invalid,insert fail.
astroboy	0:94897d537b31	35	* @retval E_OK Insert successful.
astroboy	0:94897d537b31	36	*
astroboy	0:94897d537b31	37	* @par Description
astroboy	0:94897d537b31	38	* @details This function is called to insert a timer into the timer list.
astroboy	0:94897d537b31	39	*******************************************************************************
astroboy	0:94897d537b31	40	*/
astroboy	0:94897d537b31	41	static void InsertTmrList(OS_TCID tmrID)
astroboy	0:94897d537b31	42	{
astroboy	0:94897d537b31	43	P_TmrCtrl pTmr;
astroboy	0:94897d537b31	44	S32 deltaTicks;
astroboy	0:94897d537b31	45	U32 tmrCnt;
astroboy	0:94897d537b31	46	tmrCnt = TmrTbl[tmrID].tmrCnt; /* Get timer time */
astroboy	0:94897d537b31	47
astroboy	0:94897d537b31	48	if(tmrCnt == 0) /* Is timer time==0? */
astroboy	0:94897d537b31	49	{
astroboy	0:94897d537b31	50	return; /* Do nothing,return */
astroboy	0:94897d537b31	51	}
astroboy	0:94897d537b31	52
astroboy	0:94897d537b31	53	OsSchedLock(); /* Lock schedule */
astroboy	0:94897d537b31	54	if(TmrList == Co_NULL) /* Is no item in timer list? */
astroboy	0:94897d537b31	55	{
astroboy	0:94897d537b31	56	TmrList = &TmrTbl[tmrID]; /* Yes,set this as first item */
astroboy	0:94897d537b31	57	}
astroboy	0:94897d537b31	58	else /* No,find correct place ,and insert inserted timer */
astroboy	0:94897d537b31	59	{
astroboy	0:94897d537b31	60	pTmr = TmrList;
astroboy	0:94897d537b31	61	deltaTicks = tmrCnt; /* Get timer tick */
astroboy	0:94897d537b31	62
astroboy	0:94897d537b31	63	/* find correct place */
astroboy	0:94897d537b31	64	while(pTmr != Co_NULL)
astroboy	0:94897d537b31	65	{
astroboy	0:94897d537b31	66	deltaTicks -= pTmr->tmrCnt; /* Get ticks with previous item */
astroboy	0:94897d537b31	67	if(deltaTicks < 0) /* Is delta ticks<0? */
astroboy	0:94897d537b31	68	{
astroboy	0:94897d537b31	69	/* Yes,get correct place */
astroboy	0:94897d537b31	70	if(pTmr->tmrPrev!= Co_NULL)/* Is head item of timer list? */
astroboy	0:94897d537b31	71	{
astroboy	0:94897d537b31	72	/* No,insert into */
astroboy	0:94897d537b31	73	pTmr->tmrPrev->tmrNext = &TmrTbl[tmrID];
astroboy	0:94897d537b31	74	TmrTbl[tmrID].tmrPrev = pTmr->tmrPrev;
astroboy	0:94897d537b31	75	TmrTbl[tmrID].tmrNext = pTmr;
astroboy	0:94897d537b31	76	pTmr->tmrPrev = &TmrTbl[tmrID];
astroboy	0:94897d537b31	77	}
astroboy	0:94897d537b31	78	else /* Yes,set task as first item */
astroboy	0:94897d537b31	79	{
astroboy	0:94897d537b31	80	TmrTbl[tmrID].tmrNext = TmrList;
astroboy	0:94897d537b31	81	TmrList->tmrPrev = &TmrTbl[tmrID];
astroboy	0:94897d537b31	82	TmrList = &TmrTbl[tmrID];
astroboy	0:94897d537b31	83	}
astroboy	0:94897d537b31	84	TmrTbl[tmrID].tmrCnt = TmrTbl[tmrID].tmrNext->tmrCnt+deltaTicks;
astroboy	0:94897d537b31	85	TmrTbl[tmrID].tmrNext->tmrCnt -= TmrTbl[tmrID].tmrCnt;
astroboy	0:94897d537b31	86	break;
astroboy	0:94897d537b31	87	}
astroboy	0:94897d537b31	88	/* Is last item in list? */
astroboy	0:94897d537b31	89	else if((deltaTicks >= 0) && (pTmr->tmrNext == Co_NULL))
astroboy	0:94897d537b31	90	{
astroboy	0:94897d537b31	91	/* Yes,insert into */
astroboy	0:94897d537b31	92	TmrTbl[tmrID].tmrPrev = pTmr;
astroboy	0:94897d537b31	93	pTmr->tmrNext = &TmrTbl[tmrID];
astroboy	0:94897d537b31	94	TmrTbl[tmrID].tmrCnt = deltaTicks;
astroboy	0:94897d537b31	95	break;
astroboy	0:94897d537b31	96	}
astroboy	0:94897d537b31	97	pTmr = pTmr->tmrNext; /* Get the next item in timer list */
astroboy	0:94897d537b31	98	}
astroboy	0:94897d537b31	99	}
astroboy	0:94897d537b31	100	OsSchedUnlock(); /* Unlock schedule */
astroboy	0:94897d537b31	101	}
astroboy	0:94897d537b31	102
astroboy	0:94897d537b31	103
astroboy	0:94897d537b31	104	/**
astroboy	0:94897d537b31	105	*******************************************************************************
astroboy	0:94897d537b31	106	* @brief Remove a timer from the timer list
astroboy	0:94897d537b31	107	* @param[in] tmrID Specify ID for a timer which removed form timer list.
astroboy	0:94897d537b31	108	* @param[out] None
astroboy	0:94897d537b31	109	* @retval None
astroboy	0:94897d537b31	110	*
astroboy	0:94897d537b31	111	* @par Description
astroboy	0:94897d537b31	112	* @details This function is called to remove a timer from the timer list.
astroboy	0:94897d537b31	113	*******************************************************************************
astroboy	0:94897d537b31	114	*/
astroboy	0:94897d537b31	115	static void RemoveTmrList(OS_TCID tmrID)
astroboy	0:94897d537b31	116	{
astroboy	0:94897d537b31	117	P_TmrCtrl pTmr;
astroboy	0:94897d537b31	118
astroboy	0:94897d537b31	119	pTmr = &TmrTbl[tmrID];
astroboy	0:94897d537b31	120
astroboy	0:94897d537b31	121	OsSchedLock(); /* Lock schedule */
astroboy	0:94897d537b31	122
astroboy	0:94897d537b31	123	/* Is there only one item in timer list? */
astroboy	0:94897d537b31	124	if((pTmr->tmrPrev == Co_NULL) && (pTmr->tmrNext == Co_NULL))
astroboy	0:94897d537b31	125	{
astroboy	0:94897d537b31	126	TmrList = Co_NULL; /* Yes,set timer list as Co_NULL */
astroboy	0:94897d537b31	127	}
astroboy	0:94897d537b31	128	else if(pTmr->tmrPrev == Co_NULL) /* Is the first item in timer list? */
astroboy	0:94897d537b31	129	{ /* Yes,remove timer from list,and reset timer list */
astroboy	0:94897d537b31	130	TmrList = pTmr->tmrNext;
astroboy	0:94897d537b31	131	TmrList->tmrPrev = Co_NULL;
astroboy	0:94897d537b31	132	pTmr->tmrNext->tmrCnt += pTmr->tmrCnt;
astroboy	0:94897d537b31	133	pTmr->tmrNext = Co_NULL;
astroboy	0:94897d537b31	134	}
astroboy	0:94897d537b31	135	else if(pTmr->tmrNext == Co_NULL) /* Is the last item in timer list? */
astroboy	0:94897d537b31	136	{
astroboy	0:94897d537b31	137	/* Yes,remove timer form list */
astroboy	0:94897d537b31	138	pTmr->tmrPrev->tmrNext = Co_NULL;
astroboy	0:94897d537b31	139	pTmr->tmrPrev = Co_NULL;
astroboy	0:94897d537b31	140	}
astroboy	0:94897d537b31	141	else /* No, remove timer from list */
astroboy	0:94897d537b31	142	{
astroboy	0:94897d537b31	143	pTmr->tmrPrev->tmrNext = pTmr->tmrNext;
astroboy	0:94897d537b31	144	pTmr->tmrNext->tmrPrev = pTmr->tmrPrev;
astroboy	0:94897d537b31	145	pTmr->tmrNext->tmrCnt += pTmr->tmrCnt;
astroboy	0:94897d537b31	146	pTmr->tmrNext = Co_NULL;
astroboy	0:94897d537b31	147	pTmr->tmrPrev = Co_NULL;
astroboy	0:94897d537b31	148	}
astroboy	0:94897d537b31	149	OsSchedUnlock(); /* Unlock schedule */
astroboy	0:94897d537b31	150	}
astroboy	0:94897d537b31	151
astroboy	0:94897d537b31	152
astroboy	0:94897d537b31	153	/**
astroboy	0:94897d537b31	154	*******************************************************************************
astroboy	0:94897d537b31	155	* @brief Create a timer
astroboy	0:94897d537b31	156	* @param[in] tmrType Specify timer's type.
astroboy	0:94897d537b31	157	* @param[in] tmrCnt Specify timer initial counter value.
astroboy	0:94897d537b31	158	* @param[in] tmrReload Specify timer reload value.
astroboy	0:94897d537b31	159	* @param[in] func Specify timer callback function entry.
astroboy	0:94897d537b31	160	* @param[out] None
astroboy	0:94897d537b31	161	* @retval E_CREATE_FAIL Create timer fail.
astroboy	0:94897d537b31	162	* @retval others Create timer successful.
astroboy	0:94897d537b31	163	*
astroboy	0:94897d537b31	164	* @par Description
astroboy	0:94897d537b31	165	* @details This function is called to create a timer.
astroboy	0:94897d537b31	166	*******************************************************************************
astroboy	0:94897d537b31	167	*/
astroboy	0:94897d537b31	168	OS_TCID CoCreateTmr(U8 tmrType, U32 tmrCnt, U32 tmrReload, vFUNCPtr func)
astroboy	0:94897d537b31	169	{
astroboy	0:94897d537b31	170	U8 i;
astroboy	0:94897d537b31	171	#if CFG_PAR_CHECKOUT_EN >0 /* Check validity of parameter */
astroboy	0:94897d537b31	172	if((tmrType != TMR_TYPE_ONE_SHOT) && (tmrType != TMR_TYPE_PERIODIC))
astroboy	0:94897d537b31	173	{
astroboy	0:94897d537b31	174	return E_CREATE_FAIL;
astroboy	0:94897d537b31	175	}
astroboy	0:94897d537b31	176	if(func == Co_NULL)
astroboy	0:94897d537b31	177	{
astroboy	0:94897d537b31	178	return E_CREATE_FAIL;
astroboy	0:94897d537b31	179	}
astroboy	0:94897d537b31	180	#endif
astroboy	0:94897d537b31	181	OsSchedLock(); /* Lock schedule */
astroboy	0:94897d537b31	182	for(i = 0; i < CFG_MAX_TMR; i++)
astroboy	0:94897d537b31	183	{
astroboy	0:94897d537b31	184	if((TmrIDVessel & (1 << i)) == 0) /* Is free timer ID? */
astroboy	0:94897d537b31	185	{
astroboy	0:94897d537b31	186	TmrIDVessel \|= (1<<i); /* Yes,assign ID to this timer */
astroboy	0:94897d537b31	187	OsSchedUnlock(); /* Unlock schedule */
astroboy	0:94897d537b31	188	TmrTbl[i].tmrID = i; /* Initialize timer as user set */
astroboy	0:94897d537b31	189	TmrTbl[i].tmrType = tmrType;
astroboy	0:94897d537b31	190	TmrTbl[i].tmrState = TMR_STATE_STOPPED;
astroboy	0:94897d537b31	191	TmrTbl[i].tmrCnt = tmrCnt;
astroboy	0:94897d537b31	192	TmrTbl[i].tmrReload = tmrReload;
astroboy	0:94897d537b31	193	TmrTbl[i].tmrCallBack = func;
astroboy	0:94897d537b31	194	TmrTbl[i].tmrPrev = Co_NULL;
astroboy	0:94897d537b31	195	TmrTbl[i].tmrNext = Co_NULL;
astroboy	0:94897d537b31	196	return i; /* Return timer ID */
astroboy	0:94897d537b31	197	}
astroboy	0:94897d537b31	198	}
astroboy	0:94897d537b31	199	OsSchedUnlock(); /* Unlock schedule */
astroboy	0:94897d537b31	200	return E_CREATE_FAIL; /* Error return */
astroboy	0:94897d537b31	201	}
astroboy	0:94897d537b31	202
astroboy	0:94897d537b31	203
astroboy	0:94897d537b31	204	/**
astroboy	0:94897d537b31	205	*******************************************************************************
astroboy	0:94897d537b31	206	* @brief Start counter
astroboy	0:94897d537b31	207	* @param[in] tmrID Specify a timer which startted.
astroboy	0:94897d537b31	208	* @param[out] None
astroboy	0:94897d537b31	209	* @retval E_INVALID_ID The timer id passed was invalid,can't start timer
astroboy	0:94897d537b31	210	* @retval E_OK Insert a timer to timer list and start it successful.
astroboy	0:94897d537b31	211	*
astroboy	0:94897d537b31	212	* @par Description
astroboy	0:94897d537b31	213	* @details This function is called to make a timer start countering.
astroboy	0:94897d537b31	214	*******************************************************************************
astroboy	0:94897d537b31	215	*/
astroboy	0:94897d537b31	216	StatusType CoStartTmr(OS_TCID tmrID)
astroboy	0:94897d537b31	217	{
astroboy	0:94897d537b31	218	#if CFG_PAR_CHECKOUT_EN >0 /* Check validity of parameter */
astroboy	0:94897d537b31	219	if(tmrID >= CFG_MAX_TMR)
astroboy	0:94897d537b31	220	{
astroboy	0:94897d537b31	221	return E_INVALID_ID;
astroboy	0:94897d537b31	222	}
astroboy	0:94897d537b31	223	if( (TmrIDVessel & (1<<tmrID)) == 0)
astroboy	0:94897d537b31	224	{
astroboy	0:94897d537b31	225	return E_INVALID_ID;
astroboy	0:94897d537b31	226	}
astroboy	0:94897d537b31	227	#endif
astroboy	0:94897d537b31	228
astroboy	0:94897d537b31	229	if(TmrTbl[tmrID].tmrState == TMR_STATE_RUNNING) /* Is timer running? */
astroboy	0:94897d537b31	230	{
astroboy	0:94897d537b31	231	return E_OK; /* Yes,do nothing,return OK */
astroboy	0:94897d537b31	232	}
astroboy	0:94897d537b31	233
astroboy	0:94897d537b31	234	/* No,set timer status as TMR_STATE_RUNNING */
astroboy	0:94897d537b31	235	TmrTbl[tmrID].tmrState = TMR_STATE_RUNNING;
astroboy	0:94897d537b31	236	InsertTmrList(tmrID); /* Insert this timer into timer list */
astroboy	0:94897d537b31	237	return E_OK; /* Return OK */
astroboy	0:94897d537b31	238	}
astroboy	0:94897d537b31	239
astroboy	0:94897d537b31	240
astroboy	0:94897d537b31	241
astroboy	0:94897d537b31	242	/**
astroboy	0:94897d537b31	243	*******************************************************************************
astroboy	0:94897d537b31	244	* @brief Stop countering for a spcify timer
astroboy	0:94897d537b31	245	* @param[in] tmrID Specify a timer which stopped.
astroboy	0:94897d537b31	246	* @param[out] None
astroboy	0:94897d537b31	247	* @retval E_INVALID_ID The timer id passed was invalid, stop failure.
astroboy	0:94897d537b31	248	* @retval E_OK Stop a timer countering successful.
astroboy	0:94897d537b31	249	*
astroboy	0:94897d537b31	250	* @par Description
astroboy	0:94897d537b31	251	* @details This function is called to stop a timer from counting.
astroboy	0:94897d537b31	252	*******************************************************************************
astroboy	0:94897d537b31	253	*/
astroboy	0:94897d537b31	254	StatusType CoStopTmr(OS_TCID tmrID)
astroboy	0:94897d537b31	255	{
astroboy	0:94897d537b31	256	#if CFG_PAR_CHECKOUT_EN >0 /* Check validity of parameter */
astroboy	0:94897d537b31	257	if(tmrID >= CFG_MAX_TMR)
astroboy	0:94897d537b31	258	{
astroboy	0:94897d537b31	259	return E_INVALID_ID;
astroboy	0:94897d537b31	260	}
astroboy	0:94897d537b31	261	if((TmrIDVessel & (1<<tmrID)) == 0)
astroboy	0:94897d537b31	262	{
astroboy	0:94897d537b31	263	return E_INVALID_ID;
astroboy	0:94897d537b31	264	}
astroboy	0:94897d537b31	265	#endif
astroboy	0:94897d537b31	266
astroboy	0:94897d537b31	267
astroboy	0:94897d537b31	268	if(TmrTbl[tmrID].tmrState == TMR_STATE_STOPPED)/* Does timer stop running?*/
astroboy	0:94897d537b31	269	{
astroboy	0:94897d537b31	270	return E_OK; /* Yes,do nothing,return OK */
astroboy	0:94897d537b31	271	}
astroboy	0:94897d537b31	272	RemoveTmrList(tmrID); /* No,remove this timer from timer list */
astroboy	0:94897d537b31	273
astroboy	0:94897d537b31	274	/* Set timer status as TMR_STATE_STOPPED */
astroboy	0:94897d537b31	275	TmrTbl[tmrID].tmrState = TMR_STATE_STOPPED;
astroboy	0:94897d537b31	276	return E_OK; /* Return OK */
astroboy	0:94897d537b31	277	}
astroboy	0:94897d537b31	278
astroboy	0:94897d537b31	279
astroboy	0:94897d537b31	280	/**
astroboy	0:94897d537b31	281	*******************************************************************************
astroboy	0:94897d537b31	282	* @brief Delete a timer
astroboy	0:94897d537b31	283	* @param[in] tmrID Specify a timer which deleted.
astroboy	0:94897d537b31	284	* @param[out] None
astroboy	0:94897d537b31	285	* @retval E_INVALID_ID The timer id passed was invalid,deleted failure.
astroboy	0:94897d537b31	286	* @retval E_OK Delete a timer successful.
astroboy	0:94897d537b31	287	*
astroboy	0:94897d537b31	288	* @par Description
astroboy	0:94897d537b31	289	* @details This function is called to delete a timer which created before.
astroboy	0:94897d537b31	290	*******************************************************************************
astroboy	0:94897d537b31	291	*/
astroboy	0:94897d537b31	292	StatusType CoDelTmr(OS_TCID tmrID)
astroboy	0:94897d537b31	293	{
astroboy	0:94897d537b31	294	#if CFG_PAR_CHECKOUT_EN >0 /* Check validity of parameter */
astroboy	0:94897d537b31	295	if(tmrID >= CFG_MAX_TMR)
astroboy	0:94897d537b31	296	{
astroboy	0:94897d537b31	297	return E_INVALID_ID;
astroboy	0:94897d537b31	298	}
astroboy	0:94897d537b31	299	if( (TmrIDVessel & (1<<tmrID)) == 0)
astroboy	0:94897d537b31	300	{
astroboy	0:94897d537b31	301	return E_INVALID_ID;
astroboy	0:94897d537b31	302	}
astroboy	0:94897d537b31	303	#endif
astroboy	0:94897d537b31	304
astroboy	0:94897d537b31	305	if(TmrTbl[tmrID].tmrState == TMR_STATE_RUNNING) /* Is timer running? */
astroboy	0:94897d537b31	306	{
astroboy	0:94897d537b31	307	RemoveTmrList(tmrID); /* Yes,remove this timer from timer list*/
astroboy	0:94897d537b31	308	}
astroboy	0:94897d537b31	309	TmrIDVessel &=~(1<<tmrID); /* Release resource that this timer hold*/
astroboy	0:94897d537b31	310	return E_OK; /* Return OK */
astroboy	0:94897d537b31	311	}
astroboy	0:94897d537b31	312
astroboy	0:94897d537b31	313
astroboy	0:94897d537b31	314	/**
astroboy	0:94897d537b31	315	*******************************************************************************
astroboy	0:94897d537b31	316	* @brief Get current counter of specify timer
astroboy	0:94897d537b31	317	* @param[in] tmrID Specify timer by ID.
astroboy	0:94897d537b31	318	* @param[out] E_INVALID_ID Invalid ID was passed and get counter failure.
astroboy	0:94897d537b31	319	* @param[out] E_OK Get current counter successful.
astroboy	0:94897d537b31	320	* @retval Current counter of a timer which specify by id.
astroboy	0:94897d537b31	321	*
astroboy	0:94897d537b31	322	* @par Description
astroboy	0:94897d537b31	323	* @details This function is called to obtain current counter of specify timer.
astroboy	0:94897d537b31	324	*******************************************************************************
astroboy	0:94897d537b31	325	*/
astroboy	0:94897d537b31	326	U32 CoGetCurTmrCnt(OS_TCID tmrID,StatusType* perr)
astroboy	0:94897d537b31	327	{
astroboy	0:94897d537b31	328	#if CFG_PAR_CHECKOUT_EN >0 /* Check validity of parameter */
astroboy	0:94897d537b31	329	if(tmrID >= CFG_MAX_TMR)
astroboy	0:94897d537b31	330	{
astroboy	0:94897d537b31	331	*perr = E_INVALID_ID;
astroboy	0:94897d537b31	332	return 0;
astroboy	0:94897d537b31	333	}
astroboy	0:94897d537b31	334	if((TmrIDVessel & (1<<tmrID)) == 0)
astroboy	0:94897d537b31	335	{
astroboy	0:94897d537b31	336	*perr = E_INVALID_ID;
astroboy	0:94897d537b31	337	return 0;
astroboy	0:94897d537b31	338	}
astroboy	0:94897d537b31	339	#endif
astroboy	0:94897d537b31	340	*perr = E_OK;
astroboy	0:94897d537b31	341	return TmrTbl[tmrID].tmrCnt; /* Return timer counter */
astroboy	0:94897d537b31	342	}
astroboy	0:94897d537b31	343
astroboy	0:94897d537b31	344
astroboy	0:94897d537b31	345	/**
astroboy	0:94897d537b31	346	*******************************************************************************
astroboy	0:94897d537b31	347	* @brief Setting for a specify timer
astroboy	0:94897d537b31	348	* @param[in] tmrID Specify timer by ID.
astroboy	0:94897d537b31	349	* @param[in] tmrCnt Specify timer counter which need to be set.
astroboy	0:94897d537b31	350	* @param[in] tmrReload Specify timer reload value which need to be set.
astroboy	0:94897d537b31	351	* @param[out] None
astroboy	0:94897d537b31	352	* @retval E_INVALID_ID The ID passed was invalid,set fail.
astroboy	0:94897d537b31	353	* @retval E_OK Set timer counter successful.
astroboy	0:94897d537b31	354	*
astroboy	0:94897d537b31	355	* @par Description
astroboy	0:94897d537b31	356	* @details This function is called to set timer counter and reload value.
astroboy	0:94897d537b31	357	*******************************************************************************
astroboy	0:94897d537b31	358	*/
astroboy	0:94897d537b31	359	StatusType CoSetTmrCnt(OS_TCID tmrID,U32 tmrCnt,U32 tmrReload)
astroboy	0:94897d537b31	360	{
astroboy	0:94897d537b31	361	#if CFG_PAR_CHECKOUT_EN >0 /* Check validity of parameter */
astroboy	0:94897d537b31	362	if(tmrID >= CFG_MAX_TMR)
astroboy	0:94897d537b31	363	{
astroboy	0:94897d537b31	364	return E_INVALID_ID;
astroboy	0:94897d537b31	365	}
astroboy	0:94897d537b31	366	if( (TmrIDVessel & (1<<tmrID)) == 0)
astroboy	0:94897d537b31	367	{
astroboy	0:94897d537b31	368	return E_INVALID_ID;
astroboy	0:94897d537b31	369	}
astroboy	0:94897d537b31	370	#endif
astroboy	0:94897d537b31	371	TmrTbl[tmrID].tmrCnt = tmrCnt; /* Reset timer counter and reload value */
astroboy	0:94897d537b31	372	TmrTbl[tmrID].tmrReload = tmrReload;
astroboy	0:94897d537b31	373
astroboy	0:94897d537b31	374	if(TmrTbl[tmrID].tmrState == TMR_STATE_RUNNING) /* Is timer running? */
astroboy	0:94897d537b31	375	{
astroboy	0:94897d537b31	376	RemoveTmrList(tmrID); /* Yes,reorder timer in timer list */
astroboy	0:94897d537b31	377	InsertTmrList(tmrID);
astroboy	0:94897d537b31	378	}
astroboy	0:94897d537b31	379	return E_OK; /* Return OK */
astroboy	0:94897d537b31	380	}
astroboy	0:94897d537b31	381
astroboy	0:94897d537b31	382
astroboy	0:94897d537b31	383	/**
astroboy	0:94897d537b31	384	*******************************************************************************
astroboy	0:94897d537b31	385	* @brief Timer counter dispose
astroboy	0:94897d537b31	386	* @param[in] None
astroboy	0:94897d537b31	387	* @param[out] None
astroboy	0:94897d537b31	388	* @retval None
astroboy	0:94897d537b31	389	*
astroboy	0:94897d537b31	390	* @par Description
astroboy	0:94897d537b31	391	* @details This function is called to dispose timer counter.
astroboy	0:94897d537b31	392	*******************************************************************************
astroboy	0:94897d537b31	393	*/
astroboy	0:94897d537b31	394	void TmrDispose(void)
astroboy	0:94897d537b31	395	{
astroboy	0:94897d537b31	396	P_TmrCtrl pTmr;
astroboy	0:94897d537b31	397
astroboy	0:94897d537b31	398	pTmr = TmrList; /* Get first item of timer list */
astroboy	0:94897d537b31	399	while((pTmr != Co_NULL) && (pTmr->tmrCnt == 0) )
astroboy	0:94897d537b31	400	{
astroboy	0:94897d537b31	401	if(pTmr->tmrType == TMR_TYPE_ONE_SHOT) /* Is a One-shot timer? */
astroboy	0:94897d537b31	402	{
astroboy	0:94897d537b31	403	/* Yes,remove this timer from timer list */
astroboy	0:94897d537b31	404	RemoveTmrList(pTmr->tmrID);
astroboy	0:94897d537b31	405
astroboy	0:94897d537b31	406	/* Set timer status as TMR_STATE_STOPPED */
astroboy	0:94897d537b31	407	pTmr->tmrState = TMR_STATE_STOPPED;
astroboy	0:94897d537b31	408	(pTmr->tmrCallBack)(); /* Call timer callback function */
astroboy	0:94897d537b31	409	}
astroboy	0:94897d537b31	410	else if(pTmr->tmrType == TMR_TYPE_PERIODIC) /* Is a periodic timer? */
astroboy	0:94897d537b31	411	{
astroboy	0:94897d537b31	412	/* Yes,remove this timer from timer list */
astroboy	0:94897d537b31	413	RemoveTmrList(pTmr->tmrID);
astroboy	0:94897d537b31	414	pTmr->tmrCnt = pTmr->tmrReload; /* Reset timer tick */
astroboy	0:94897d537b31	415	InsertTmrList(pTmr->tmrID); /* Insert timer into timer list */
astroboy	0:94897d537b31	416	(pTmr->tmrCallBack)(); /* Call timer callback function */
astroboy	0:94897d537b31	417	}
astroboy	0:94897d537b31	418	pTmr = TmrList; /* Get first item of timer list */
astroboy	0:94897d537b31	419	}
astroboy	0:94897d537b31	420	}
astroboy	0:94897d537b31	421
astroboy	0:94897d537b31	422
astroboy	0:94897d537b31	423	/**
astroboy	0:94897d537b31	424	*******************************************************************************
astroboy	0:94897d537b31	425	* @brief Timer counter dispose in ISR
astroboy	0:94897d537b31	426	* @param[in] None
astroboy	0:94897d537b31	427	* @param[out] None
astroboy	0:94897d537b31	428	* @retval None
astroboy	0:94897d537b31	429	*
astroboy	0:94897d537b31	430	* @par Description
astroboy	0:94897d537b31	431	* @details This function is called to dispose timer counter.
astroboy	0:94897d537b31	432	*******************************************************************************
astroboy	0:94897d537b31	433	*/
astroboy	0:94897d537b31	434	void isr_TmrDispose(void)
astroboy	0:94897d537b31	435	{
astroboy	0:94897d537b31	436	if(OSSchedLock > 1) /* Is schedule lock? */
astroboy	0:94897d537b31	437	{
astroboy	0:94897d537b31	438	IsrReq = Co_TRUE;
astroboy	0:94897d537b31	439	TimerReq = Co_TRUE; /* Yes,set timer request true */
astroboy	0:94897d537b31	440	}
astroboy	0:94897d537b31	441	else
astroboy	0:94897d537b31	442	{
astroboy	0:94897d537b31	443	TmrDispose(); /* No,call handler */
astroboy	0:94897d537b31	444	}
astroboy	0:94897d537b31	445	}
astroboy	0:94897d537b31	446
astroboy	0:94897d537b31	447	#endif

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	10 Sep 2011
Imports:	49
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	2
Followers:	2

CoOS/kernel/timer.c@0:94897d537b31, 2011-09-10 (annotated)

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