/* main.c - C main() module */

/*
 *   RTXC Quadros Version 1.0
 *   Copyright (c) 1999-2003
 *   Quadros Systems, Inc.
 *   ALL RIGHTS RESERVED
 *
 *   THE INFORMATION HEREIN IS CONFIDENTIAL AND PROPRIETARY.
 *   UNAUTHORIZED DISCLOSURE OR DISTRIBUTION IS PROHIBITED.
*/

#include "rtxcapi.h"
#include "rtxcuapi.h"
#include "sysinit.h"
#include "rtxcuart.h"
#include "enable.h"
#include "example.h"

extern KSRC rtxcinit(void);

volatile int brkflag = 0;

void fill_stack()
/*&RA Fill stack with known pattern. Useful for monitoring: overwritten area will show the stack usage.
*/
{
#define NFILL 2048/sizeof(long)
	long fill[NFILL];
	long *lptr=fill;
	int ii;
	for(ii=NFILL;ii;--ii) *lptr++ = 0xdeadface;
	/*this is faster than 
	 * for(ii=0;ii<NFILL;ii++) *lptr++ = 0xdeadface;
	 */
}

/* C main() module */
int main(void)
{
	DISABLE;

   /* forces HW to known state */
   MCF5xxx_HW_INIT;

   /* initialize RTXC */
   if (rtxcinit() != RC_GOOD)
      for(;;)
#ifdef __GNUC__ /* { */
         asm("nop");
#else
         asm(NOP); /* spin here - resolve error */
#endif /* } __GNUC__ */

   /* set system IRQ at level 7 */
   UKS_SetSysIRQ(7);   
   
   /* Initialize Timer */
   MCF5xxx_PIT_INIT;

#if defined(HAS_UART0) || defined(HAS_UART1) || defined(HAS_UART2) /* { */
   /* Initialize Uart */
   MCF5xxx_UART_INIT;
#endif /* } HAS_UART0 || HAS_UART1 || HAS_UART2 */

   /* set system IRQ to level 0 before starting */
   UKS_SetSysIRQ(0);        

   /* Initialize Example Application */
	fill_stack();//&RA
	example_init();
 
   /* loop forever */
   for(;;)
   {    
      /* Execute example application's Null Task routine. */
      example_null_run();

     if (brkflag)
         break; /* exit infinite loop - abort RTXC */

     //STOP;
   }

   /*
   ** user supplied shutdown code should be inserted here
   ** typically, the null task never stops, but it may
   ** be aborted in some circumstances where it is desirable
   ** to stop multi-tasking.
   */
   printl("null task stopped\n");
   return(1);
}

/* end of file - main.c */