test.c

一个外国牛人做的ucos2向mcf5307的移植

/*  main.c
 *
 *	Motorola Coldfire MCF5307 port to MicroC/OS-II
 *
 *  Ross Berteig
 *  Cheshire Engineering Corp
 *  650 Sierra Madre Villa, Suite 201
 *  Pasadena  CA 91107
 *  [phone]       [phone] FAX
 *  [e-mail], www.CheshireEng.com
 *
 *  Copyright (C) 1998 Cheshire Engineering Corporation.
 *  Based on a port to uCOS version 1.x by David Fiddes.
 *  Portions Copyright (C) 1997 David Fiddes, [e-mail]
 *  Anything that no longer works is probably not his fault.
 */

#include <stdio.h>
#include <limits.h>
#include "includes.h"

/*  ShortTask
 *
 *	Demonstrates that a task which returns does fall into the
 *  provided call site and subsequently calls OSTaskDel().
 */
void ShortTask(void *pdata)
{
    pdata = pdata;
    printf("Short task, sleeping for 3 seconds\n");
    OSTimeDly(300);
    printf("Short task, exiting\n");
}
OS_STK ShortStack[1024];


/*  DumpPrioTbl
 *
 *	Print something about each priority with a
 *  task defined.
 */
void DumpPrioTbl(void)
{
    OS_TCB tcb;
    register OS_TCB *ptcb;
    register int i;
    register BOOLEAN print;

    for (i=0; i<OS_LOWEST_PRIO + 1; i++) {
	print = FALSE;
	OS_ENTER_CRITICAL();
	if ((ptcb = OSTCBPrioTbl[i]) != NULL) {
	    tcb = *ptcb;
	    print = TRUE;
	}
	OS_EXIT_CRITICAL();
	if (print) {
	    printf("%d: delay %d\n", i,
		   tcb.OSTCBDly
		  );
	}
    }

}




/*  StartupMain
 *
 *	Called during the initialization task during uC/OS kernel
 *  startup to create all interesting tasks in the system.  If this
 *  function exits, the startup task will commit suicide.  If a system
 *  task running at a priority lower than all tasks other than the
 *  OS low priority tasks is needed, then the startup task may be
 *  recycled for that purpose by never returning from StartupMain().
 */
void StartupMain()
{
    printf("Hello from MicroC/OS-II on ColdFire\n");

    printf("Creating a task which will commit suicide\n");
    OSTaskCreate(ShortTask,
		 (void *)0,
		 &ShortStack[1023],
		 5);

    printf("Priorities in use:\n");
    DumpPrioTbl();
    printf("Sleeping 5 seconds\n");
    OSTimeDly(500);
    printf("Priorities in use:\n");
    DumpPrioTbl();
    printf("Done.\n");
    for (;;) {
	OSTimeDly(1);
    }
}