main.c

SEP3203_DTU

/**************************************************************************
*                                                                         *
*   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	prints //changed by zbj
#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;
        char temp[8] ;
		
        while(1)
        {        	  
                OSSemPend(RandomSem, 0, &err);  /* Acquire semaphore to perform random numbers */
                OSSemPost(RandomSem);           /* Release semaphore */                
		  sprintf(temp,"Task %d\n", *(U8 *)data);	/* Display the task number on the screen */
                DEBUG_STR(temp);
		 OSTimeDly(50);                   /* Delay 5 clock tick */
        }
}

void TaskStart (void *data)
{
        U8 i;
	char temp[20];
	
        data = data;                            /* Prevent compiler warning */
			
	 DEBUG_STR("uC/OS-II, The Real-Time Kernel ARM Ported version!\n");
        DEBUG_STR("Ported by Zbj\n");
        DEBUG_STR("\n");
	 DEBUG_STR("Determining  CPU's capacity ...\n");

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

		init_timer();

		 for (i = 0; i < NO_TASKS; i++)
        {                                       /* Create NO_TASKS identical tasks */
                TaskData[i] = 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);
        }
		 
		while(1)
		{
        	OSTimeDly(500);                   /* Delay 5 clock tick */
        	i++;
			sprintf(temp,"Delay times=%x\n",i);
			DEBUG_STR(temp);
        }

}


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

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

        OSStart();                              /* Start multitasking                                       */
}

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


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