cxqcre.c

来自「CMEX source code RTOS for atmel atmega12」· C语言 代码 · 共 47 行

/*********************************************************

Copyright (c) CMX Company. 1999. All rights reserved

*********************************************************/
/* version 5.30 */

#define CMXMODULE 1

#include <cxfuncs.h>	/* get cmx include header file */
#include <cxextern.h>	/* get cmx include header file */

#ifdef CMXTRACKER
#include <cmxtrack.h>	/* get cmx include header file */
#endif

byte K_Que_Create(sign_word16 num_slots,byte slot_size,byte *queuearray,byte queuenum)
{
	QUEHDR *queue_ptr;

	if (queuenum >= MAX_QUEUES)	/* see if queue number OK. */
		{
#ifdef CMXTRACKER
		if (CMXTRACKER_ON)
			{
			cmxtracker_in2(CXQCRE_K_ERROR,queuenum);
			}
#endif
		return(K_ERROR);
		}
	K_I_Disable_Sched();	/* set task block. */
#ifdef CMXTRACKER
		if (CMXTRACKER_ON)
			{
			cmxtracker_in2(CXQCRE_K_OK,queuenum);
			}
#endif
	queue_ptr = &queue[queuenum];	/* get address of proper queue handler. */
	queue_ptr->base_ptr = queuearray;	/* tell CMX where queue begins. */
	queue_ptr->num_slots = num_slots;	/* load number of slots */
	queue_ptr->size_slot = slot_size;	/* load in the size of slots */
	K_Que_Reset(queuenum);	/* reset the queue, all slots empty. */
	K_I_Func_Return();	/* release task block */
	return(K_OK);
}