uint32_t synced;
uint32_t ktimer;
uint32_t last_ktime;
uint32_t period;
uint32_t last_period;
uint32_t remaining_clocks;
uint32_t old_clk;

synced = 0;
ktimer = 0;
last_ktime = ktimer;
period = 1;
last_period = period;
remaining_clocks = 0;
old_clk = 0;

outlet_clk = 0;

if (inlet_clk && !old_clk) {
  float tmp_period = (ktimer - last_ktime);
  period = (int32_t)((tmp_period / param_clockmul) + 0.5f);
  if (period < 2) {
    period = 2;
  }
  last_ktime = ktimer;
  last_period = period;
  remaining_clocks = param_clockmul - 1;
  if (synced < 2) {
    synced++;
  } else {
    outlet_clk = 1;
  }
} else if (synced >= 2 && remaining_clocks > 0 && --period == 0) {
  remaining_clocks--;
  period = last_period;
  outlet_clk = 1;
}

old_clk = inlet_clk;
ktimer++;