how to operate timer/counter in MC9S12XEP100?

[mucheollee]

hi, i'm a student in South, Korea and studying freescale with MC9s12XEP100,

actually, i would like to know how to use timer/counter in xep100 board.. i'm used to using atmega128, however, there's a few diffrence btw this..and that..

In atmega128 case, i do set some register (TCCR, TCNT, TIFR, TIMSK) to use timer/counter.. but i don't know what register goes to replace them (atmega128 register for counter)

basically i couldn't find any materials which described about xep100 info.. so that i finally wrote this contents.. to know...

plz let me know.. some details.. which register can i use for it.. i will really appreciate if i know about precious information...

thanks.. le03169@gmail.com

[mucheollee]

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

#include "derivative.h"      /* derivative-specific definitions */

#include "MC9S12XEP100.h"

#include "derivative.h"

volatile unsigned int Timer_Count;

#pragma CODE_SEG __NEAR_SEG NON_BANKED  

interrupt 85 void Velocity(void) {

  PORTA_PA1 = 1;

  Timer_Count --;

  if(Timer_Count == 0)

       PORTA_PA1 = 1;

  PITTF = 0x01;

}             

void Platforminit(void) {

PITCFLMT = 0;     // disable PIT

PITCE = 0x01;

PITMUX = 0x01;

PITMTLD0 = 0x63;

PITLD0 = 0x0004;

PITINTE = 0x01;

PITCFLMT = 0x80;

}

void main(void) {

DDRA = 0x0F;

  Timer_Count = 10;

Platforminit();

while(1);

}

this is the source that i made...

if u r able to fix it, plz do that... i will be very thank for it...