main.c

基于GE00 实验系统开发板的实验指导用途

/**************************************************************************
*                                                                         *
*   PROJECT     : ARM port for UCOS-II                                    *
*                                                                         *
*   MODULE      : EX1.c                                                   *
*                                                                         *
*   AUTHOR      : Michael Anburaj                                         *
*                 URL  : http://geocities.com/michaelanburaj/             *
*                 EMAIL: [e-mail]                       *
*                                                                         *
*   PROCESSOR   : Any processor                                           *
*                                                                         *
*   IDE         : Any IDE                                                 *
*                                                                         *
*   DESCRIPTION :                                                         *
*   This is a sample code to test UCOS-II.                                *
*                                                                         *
**************************************************************************/
#include "includes.h"

/* ********************************************************************* */
/* Global definitions */
#ifndef GFD_CONSOLE
extern	void init_timer(void);
#define CONSOL_Printf	printf
#else
extern void CONSOL_Printf(char *pcFmt,...);
#endif

/* ********************************************************************* */
/* File local definitions */

#define  TASK_STK_SIZE 256                      /* Size of each task's stacks (# of WORDs) */
#define  NO_TASKS           10                  /* Number of identical tasks */

OS_STK   TaskStk[NO_TASKS][TASK_STK_SIZE];      /* Tasks stacks */
OS_STK   TaskStartStk[TASK_STK_SIZE];
char     TaskData[NO_TASKS];                    /* Parameters to pass to each task */
OS_EVENT *RandomSem;


/* ********************************************************************* */
/* Local functions */

void Task (void *data)
{
        U8 err;

        while(1)
        {
                OSSemPend(RandomSem, 0, &err);  /* Acquire semaphore to perform random numbers */
                OSSemPost(RandomSem);           /* Release semaphore */
                CONSOL_Printf("Task %d\n", *(U8 *)data);	/* Display the task number on the screen */
                OSTimeDly(50);                   /* Delay 5 clock tick */
        }
}

void TaskStart (void *data)
{
        U8 i;
	
        data = data;                            /* Prevent compiler warning */
		
		CONSOL_Printf("uC/OS-II, The Real-Time Kernel ARM Ported version\n");
        CONSOL_Printf("Ported by Michael Zhang\n");
        CONSOL_Printf("Ported by Weur Xiao\n");
        CONSOL_Printf("\n");
		CONSOL_Printf("Determining  CPU's capacity ...\n");

        //OSStatInit();                           /* Initialize uC/OS-II's statistics */

		init_timer();
		
		while(1)
		{
        	OSTimeDly(500);                   /* Delay 5 clock tick */
        	i++;
			CONSOL_Printf("Delay times=%x\n",i);
        }

}


/* ********************************************************************* */
/* Global functions */

void APP_vMain (void)
{
	U8	i;
	
        OSInit();                               /* Initialize uC/OS-II                                      */
        RandomSem = OSSemCreate(1);             /* Random number semaphore                              */
        OSTaskCreate(TaskStart, (void *)0, (void *)&TaskStartStk[TASK_STK_SIZE - 1], 0);

        for (i = 0; i < NO_TASKS; i++)
        {                                       /* Create NO_TASKS identical tasks */
                TaskData[i] = '0' + i;          /* Each task will display its own letter */
                CONSOL_Printf("#%d",i);
                OSTaskCreate(Task, (void *)&TaskData[i], (void *)&TaskStk[i][TASK_STK_SIZE - 1], i + 1);
        }

        OSStart();                              /* Start multitasking                                       */
}

int main(void)
{
	FirmInit();
	
	APP_vMain();
}


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