Help with writing to registers for 1Hz pwm and timer interrupt

[johnwasser]

You are not calculating outputvalue if frequency is 51 or 50.5.

@mafulynch

  if (frequency>50.49 && frequency<51){
    outputvalue= 2*62499*(frequency-50.5);
  }
  if (frequency>51){
    outputvalue=62499;
  }
  if (frequency<50.5){
    outputvalue=0;
  }

Simplify this to:

  if (frequency > 51) {
    outputvalue = 62499u;
  } else if (frequency < 50.5) {
    outputvalue = 0;
  } else {
    outputvalue = 2 * 62499ul * (frequency - 50.5);
  }