//Toggling PTT5 using Chann 5 Timer (Output Compare option) on TWR-HCS12G128 Tower using CodeWarrior
//PTT5 of PORTT is connected to green LED on TWR-HCS12G128 Tower board
//Make sure the jumer for LED2 is set

//Notice this is NOT using any Time Delay
//Modified and tested by Mazidi from Example 9-29 HCS12 textbook by Mazidi & Causey

//Use F7 to Make, F5 (Debug) to download, and F5 (Start) to run the program
//In CodeWarrior, make sure you are in Open Source BDM when downloading and running. 

#include <hidef.h>      /* common defines and macros */
#include "derivative.h"   /* derivative-specific definitions */

void main(void)
  {
   unsigned int Tcount;

   TSCR1 = 0x90; 
   TSCR2 = 0x07;  //Prescaler=128. Change (0-7) for different rate of toggling
   TIOS = 0b00100000;   //Output Compare option for Channel 5
   TCTL1 = 0b00000100;  //Toggle PTT5 pin option

  //Toggle LED on PT5 pin using Timer chan 5
   for(;;)
      { 
      Tcount = TCNT;
      Tcount = Tcount + 30000; //change this number to see chnage in toggling rate
      TC5 = Tcount;
      while (!(TFLG1 & TFLG1_C5F_MASK));
      //while ((TFLG1 & 0b00100000)==0);          //you can use this line instead
  
      }

  }