#include <Arduino.h>


const byte interruptPin = 3;
const int XPin = A0;
const int YPin = A1;
int default_X = 0;
int default_Y = 0;
unsigned long clickTime = 0;
bool shortClick = false;
bool longClick = false;


const int ARRAYSIZE = 3;
String modes[ARRAYSIZE] = { "jogging", "runto", "set null" };



void click()
{
  // wenn "down" dann down Zeit merken
  if ( digitalRead(interruptPin) == LOW){
  clickTime = millis();}
  else{
 // "up" feststellen und Zeit merken
   unsigned long time = millis() - clickTime;
   if (time < 300){ 
    shortClick = true;
    Serial.println("short click");
   } else {
    longClick=true;
    Serial.println("long click");
   }

  }


 

}

void setup()
{

  pinMode(interruptPin, INPUT_PULLUP);

  attachInterrupt(digitalPinToInterrupt(interruptPin), click, CHANGE);

  Serial.begin(9600);

  // für x und y die leerlaufwerte holen, und eine Toleranz von 3 einbauen, bei der nichts gemacht wird.
  default_X = analogRead(XPin); // read the input pin
  default_Y = analogRead(YPin); // read the input pin
}

void move(int stepnumber, int MaxPower, int wait)
{
  /*  delayMicroseconds(wait); */
}

void loop()
{

  int analogX = analogRead(XPin) - default_X; // read the input pin
  int analogY = analogRead(YPin) - default_Y; // read the input pin

  // berechnung delay-x
  // berechnung delay-y

  float x = (analogX *100.0f )/ default_X;
  
  if (analogX > 0){ 
    x = (analogX *100.0f )/ (1023-default_X);
  }


  float y = (analogY *100.0f )/ default_Y;
  
  if (analogY > 0){ 
    x = (analogY *100.0f )/ (1023-default_Y);
  }

  if ((abs(analogX) > 2) || (abs(analogY) > 2))
  {
    Serial.print("X:");
    Serial.print(analogX);
    Serial.print (" ");
    Serial.print(x);

    Serial.print("  Y:");
    Serial.print(analogY);
    Serial.print (" ");
    Serial.println(y);
  }
  else {
    // immediate stop
  }
  delay(100);
}