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

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

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User	Revision	Line number	New contents of line
astroboy	0:94897d537b31	1	/**
astroboy	0:94897d537b31	2	*******************************************************************************
astroboy	0:94897d537b31	3	* @file serviceReq.c
astroboy	0:94897d537b31	4	* @version V1.1.4
astroboy	0:94897d537b31	5	* @date 2011.04.20
astroboy	0:94897d537b31	6	* @brief servive request 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	#if (CFG_TASK_WAITTING_EN > 0) \|\| (CFG_TMR_EN >0)
astroboy	0:94897d537b31	22
astroboy	0:94897d537b31	23	#if CFG_MAX_SERVICE_REQUEST > 0
astroboy	0:94897d537b31	24	/---------------------------- Variable Define -------------------------------/
astroboy	0:94897d537b31	25	SRQ ServiceReq = {0,0}; /!< ISR server request queue /
astroboy	0:94897d537b31	26	#endif
astroboy	0:94897d537b31	27	BOOL IsrReq = Co_FALSE;
astroboy	0:94897d537b31	28	#if (CFG_TASK_WAITTING_EN > 0)
astroboy	0:94897d537b31	29	BOOL TimeReq = Co_FALSE; /!< Time delay dispose request /
astroboy	0:94897d537b31	30	#endif
astroboy	0:94897d537b31	31
astroboy	0:94897d537b31	32	#if CFG_TMR_EN > 0
astroboy	0:94897d537b31	33	BOOL TimerReq = Co_FALSE; /!< Timer dispose request /
astroboy	0:94897d537b31	34	#endif
astroboy	0:94897d537b31	35
astroboy	0:94897d537b31	36	/**
astroboy	0:94897d537b31	37	*******************************************************************************
astroboy	0:94897d537b31	38	* @brief Insert into service requst queue
astroboy	0:94897d537b31	39	* @param[in] type Service request type.
astroboy	0:94897d537b31	40	* @param[in] id Service request event id,event id/flag id.
astroboy	0:94897d537b31	41	* @param[in] arg Service request argument.
astroboy	0:94897d537b31	42	* @param[out] None
astroboy	0:94897d537b31	43	*
astroboy	0:94897d537b31	44	* @retval Co_FALSE Successfully insert into service request queue.
astroboy	0:94897d537b31	45	* @retval Co_TRUE Failure to insert into service request queue.
astroboy	0:94897d537b31	46	*
astroboy	0:94897d537b31	47	* @par Description
astroboy	0:94897d537b31	48	* @details This function be called to insert a requst into service request
astroboy	0:94897d537b31	49	* queue.
astroboy	0:94897d537b31	50	* @note
astroboy	0:94897d537b31	51	*******************************************************************************
astroboy	0:94897d537b31	52	*/
astroboy	0:94897d537b31	53	#if (CFG_MAX_SERVICE_REQUEST > 0)
astroboy	0:94897d537b31	54	BOOL InsertInSRQ(U8 type,U8 id,void* arg)
astroboy	0:94897d537b31	55	{
astroboy	0:94897d537b31	56	P_SQC pcell;
astroboy	0:94897d537b31	57	U8 cnt;
astroboy	0:94897d537b31	58	U8 heed;
astroboy	0:94897d537b31	59	IRQ_DISABLE_SAVE();
astroboy	0:94897d537b31	60	if (ServiceReq.cnt >= CFG_MAX_SERVICE_REQUEST)
astroboy	0:94897d537b31	61	{
astroboy	0:94897d537b31	62	IRQ_ENABLE_RESTORE ();
astroboy	0:94897d537b31	63
astroboy	0:94897d537b31	64	return Co_FALSE; /* Error return */
astroboy	0:94897d537b31	65	}
astroboy	0:94897d537b31	66	cnt = Inc8(&ServiceReq.cnt);
astroboy	0:94897d537b31	67	heed = ServiceReq.head;
astroboy	0:94897d537b31	68	IsrReq = Co_TRUE;
astroboy	0:94897d537b31	69	pcell = &ServiceReq.cell[((cnt+heed)%CFG_MAX_SERVICE_REQUEST)];/the tail /
astroboy	0:94897d537b31	70	pcell->type = type; /* Save service request type, */
astroboy	0:94897d537b31	71	pcell->id = id; /* event id */
astroboy	0:94897d537b31	72	pcell->arg = arg; /* and parameter */
astroboy	0:94897d537b31	73	IRQ_ENABLE_RESTORE ();
astroboy	0:94897d537b31	74
astroboy	0:94897d537b31	75	return Co_TRUE; /* Return OK */
astroboy	0:94897d537b31	76	}
astroboy	0:94897d537b31	77	#endif
astroboy	0:94897d537b31	78
astroboy	0:94897d537b31	79
astroboy	0:94897d537b31	80
astroboy	0:94897d537b31	81	/**
astroboy	0:94897d537b31	82	*******************************************************************************
astroboy	0:94897d537b31	83	* @brief Respond the request in the service request queue.
astroboy	0:94897d537b31	84	* @param[in] None
astroboy	0:94897d537b31	85	* @param[out] None
astroboy	0:94897d537b31	86	* @retval None
astroboy	0:94897d537b31	87	*
astroboy	0:94897d537b31	88	* @par Description
astroboy	0:94897d537b31	89	* @details This function be called to respond the request in the service
astroboy	0:94897d537b31	90	* request queue.
astroboy	0:94897d537b31	91	* @note
astroboy	0:94897d537b31	92	*******************************************************************************
astroboy	0:94897d537b31	93	*/
astroboy	0:94897d537b31	94	void RespondSRQ(void)
astroboy	0:94897d537b31	95	{
astroboy	0:94897d537b31	96
astroboy	0:94897d537b31	97	#if CFG_MAX_SERVICE_REQUEST > 0
astroboy	0:94897d537b31	98	SQC cell;
astroboy	0:94897d537b31	99
astroboy	0:94897d537b31	100	#endif
astroboy	0:94897d537b31	101
astroboy	0:94897d537b31	102	#if (CFG_TASK_WAITTING_EN > 0)
astroboy	0:94897d537b31	103	if(TimeReq == Co_TRUE) /* Time delay request? */
astroboy	0:94897d537b31	104	{
astroboy	0:94897d537b31	105	TimeDispose(); /* Yes,call handler */
astroboy	0:94897d537b31	106	TimeReq = Co_FALSE; /* Reset time delay request Co_FALSE */
astroboy	0:94897d537b31	107	}
astroboy	0:94897d537b31	108	#endif
astroboy	0:94897d537b31	109	#if CFG_TMR_EN > 0
astroboy	0:94897d537b31	110	if(TimerReq == Co_TRUE) /* Timer request? */
astroboy	0:94897d537b31	111	{
astroboy	0:94897d537b31	112	TmrDispose(); /* Yes,call handler */
astroboy	0:94897d537b31	113	TimerReq = Co_FALSE; /* Reset timer request Co_FALSE */
astroboy	0:94897d537b31	114	}
astroboy	0:94897d537b31	115	#endif
astroboy	0:94897d537b31	116
astroboy	0:94897d537b31	117	#if CFG_MAX_SERVICE_REQUEST > 0
astroboy	0:94897d537b31	118
astroboy	0:94897d537b31	119	while (ServiceReq.cnt != 0)
astroboy	0:94897d537b31	120	{
astroboy	0:94897d537b31	121	IRQ_DISABLE_SAVE (); /* need to protect the following */
astroboy	0:94897d537b31	122	cell = ServiceReq.cell[ServiceReq.head]; /* extract one cell */
astroboy	0:94897d537b31	123	ServiceReq.head = (ServiceReq.head + 1) % /* move head (pop) */
astroboy	0:94897d537b31	124	CFG_MAX_SERVICE_REQUEST;
astroboy	0:94897d537b31	125	ServiceReq.cnt--;
astroboy	0:94897d537b31	126	IRQ_ENABLE_RESTORE (); /* now use the cell copy */
astroboy	0:94897d537b31	127
astroboy	0:94897d537b31	128	switch(cell.type) /* Judge service request type */
astroboy	0:94897d537b31	129	{
astroboy	0:94897d537b31	130	#if CFG_SEM_EN > 0
astroboy	0:94897d537b31	131	case SEM_REQ: /* Semaphore post request,call handler*/
astroboy	0:94897d537b31	132	CoPostSem(cell.id);
astroboy	0:94897d537b31	133	break;
astroboy	0:94897d537b31	134	#endif
astroboy	0:94897d537b31	135	#if CFG_MAILBOX_EN > 0
astroboy	0:94897d537b31	136	case MBOX_REQ: /* Mailbox post request,call handler */
astroboy	0:94897d537b31	137	CoPostMail(cell.id, cell.arg);
astroboy	0:94897d537b31	138	break;
astroboy	0:94897d537b31	139	#endif
astroboy	0:94897d537b31	140	#if CFG_FLAG_EN > 0
astroboy	0:94897d537b31	141	case FLAG_REQ: /* Flag set request,call handler */
astroboy	0:94897d537b31	142	CoSetFlag(cell.id);
astroboy	0:94897d537b31	143	break;
astroboy	0:94897d537b31	144	#endif
astroboy	0:94897d537b31	145	#if CFG_QUEUE_EN > 0
astroboy	0:94897d537b31	146	case QUEUE_REQ: /* Queue post request,call handler */
astroboy	0:94897d537b31	147	CoPostQueueMail(cell.id, cell.arg);
astroboy	0:94897d537b31	148	break;
astroboy	0:94897d537b31	149	#endif
astroboy	0:94897d537b31	150	default: /* Others,break */
astroboy	0:94897d537b31	151	break;
astroboy	0:94897d537b31	152	}
astroboy	0:94897d537b31	153	}
astroboy	0:94897d537b31	154	#endif
astroboy	0:94897d537b31	155	IRQ_DISABLE_SAVE (); /* need to protect the following */
astroboy	0:94897d537b31	156
astroboy	0:94897d537b31	157	if (ServiceReq.cnt == 0) /* another item in the queue already? */
astroboy	0:94897d537b31	158	{
astroboy	0:94897d537b31	159	IsrReq = Co_FALSE; /* queue still empty here */
astroboy	0:94897d537b31	160	}
astroboy	0:94897d537b31	161	IRQ_ENABLE_RESTORE (); /* now it is done and return */
astroboy	0:94897d537b31	162	}
astroboy	0:94897d537b31	163
astroboy	0:94897d537b31	164	#endif
astroboy	0:94897d537b31	165

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

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