// waa waa pedal

unsigned long settledTimerPreset = 1000;
unsigned long settledTimerAccValue;
unsigned long risingPulseTimerPreset = 500;
unsigned long risingPulseTimerAccValue;

byte settledDownDO = 6;
byte risingPulseDO = 4;

// define switch/case states
enum : byte { belowAndTiming, belowAndDone, aboveXstn, aboveAndTiming, aboveAndDone} pedalState;

int threshold = 256;
bool risingXstn;
bool risingXstnLast;

void setup() {
  pinMode(settledDownDO, OUTPUT);
  pinMode(risingPulseDO, OUTPUT);
}

void loop() {
  static bool belowThreshold;

  int potValue = analogRead(A0);

  belowThreshold = (potValue <= threshold ? true : false);
  bool aboveThreshold = !belowThreshold;

  if (belowThreshold) {
    risingPulseTimerAccValue = millis(); // reset rising timer
    digitalWrite(risingPulseDO, LOW);
    // digitalWrite(settledDownDO, HIGH);
    risingXstn = false;
  }

  if (millis() - settledTimerAccValue >= settledTimerPreset) {
    pedalState = belowAndDone;
  }
  else pedalState = belowAndTiming;

if(pedalState==belowAndDone)digitalWrite(settledDownDO, HIGH);
if(pedalState==belowAndTiming )digitalWrite(settledDownDO,LOW);

  if (aboveThreshold) {
    settledTimerAccValue = millis(); // reset settled timer
    digitalWrite(settledDownDO, LOW);
    risingXstn=true;
  }





} // end of loop