#define Pump 0
#define Button1State 1
#define Button2State 2
#define Button3State 3
#define Button4State 4

int startup_delay = 500;
int UpTime = 250;
int DownTime = 1000;
int i;

// setup function runs once after reset button pressed or powered on
void setup() {
  pinMode(Pump, OUTPUT);
  pinMode(Button1State, INPUT_PULLUP);
  pinMode(Button2State, INPUT_PULLUP);
  pinMode(Button3State, INPUT_PULLUP);
  pinMode(Button4State, INPUT_PULLUP);
  digitalWrite(Pump, LOW);
//  delay(startup_delay);//wait some time
}

//loop function runs over and over forever
void loop() {
     digitalWrite(Pump, LOW); //turn pump signal on
if (!digitalRead (Button1State)) {
  digitalWrite(Pump, HIGH);
  delay(UpTime);
  digitalWrite(Pump, LOW);
  delay(UpTime);
   }
   else if (!digitalRead (Button2State)) {
     for (i=1; i<=2; i++){
     digitalWrite(Pump, HIGH);
     delay(UpTime);
     digitalWrite(Pump, LOW);
     delay(UpTime);
     }}
        else if (!digitalRead (Button3State)) {
          for (i=1; i<=3; i++){
          digitalWrite(Pump, HIGH);
          delay(UpTime);
          digitalWrite(Pump, LOW);
          delay(UpTime);
           }}
              else if (!digitalRead (Button4State)) {
                for (i=1; i<=4; i++){
                digitalWrite(Pump, HIGH);
                delay(UpTime);
                digitalWrite(Pump, LOW);
                delay(UpTime);
                }}
                         else digitalWrite(Pump, LOW);

     digitalWrite(Pump, LOW); //turn pump signal off
   if (!digitalRead (Button1State)) delay(DownTime);
   else if (!digitalRead (Button2State)) delay(DownTime);
        else if (!digitalRead (Button3State)) delay(DownTime);
              else if (!digitalRead (Button4State)) delay(DownTime);
                          else digitalWrite(Pump, LOW);

}