#include <hidef.h>      /* common defines and macros */
#include <mc9s12c32.h>     /* derivative information */

#pragma LINK_INFO DERIVATIVE "mc9s12c32"

#define NUM_TASKS 3

/* A global variable to hold the task enable flags */
unsigned char interrupt_pattern=0;

/* A global variable incremented by the idle() function */
long int idle_count=0;


interrupt 7 void RTI_handler(void)
{
 /*
  *  This function sets the task enable bits in
  *  the 'interrupt_pattern' variable.
  *  You probably don't need to modify this code
  *  unless there is a problem or improvement.
  */

	static short int countdown=3;

	CRGFLG_RTIF = 1;  /* Set RTI flag to reset counter (MUST do this each time) */

	if( countdown == 3 ) interrupt_pattern |= 3;
	   else interrupt_pattern |= (countdown & 1);
	if(--countdown < 0 ) countdown = 3;

}


interrupt 6 void IRQ_handler(void)
{
 /* Your IRQ button task code goes here.
  * Your code must set bit 2 (...bit3:bit2:bit1:bit0) of the
  * global variable interrupt_pattern to '1'
  * without altering any other bits.
  */
}


void func0(void)
{
 /* your code for task 0 goes here */
}


void func1(void)
{
 /* your code for task 1 goes here */
}


void func2(void)
{
 /* your code for task 2 goes here */
}


void idle(void)
{
 /* your code for the "idle" task goes here */
}



void main(void)
{

 /* For Exercise #2, Declare an array named "func_table" to contain
  * NUM_TASKS pointers to functions with no return and no arguments.
  */

 /* Assign the pointers in func_table to be the function
  * addresses func0, func1, and func2
  */

 /* Do your initializations, set the RTI period to 1.024ms, enable interrupts, activate ports, etc.
  * Make the IRQ interrupt edge triggered
  */

 /* Insert your task test code here.
  *
  */



} /* end of main() */