// Arduino Shades of Grey Water
// Vije Miller

#include "LiquidCrystal.h"
#include "CapacitiveSensor.h"

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

CapacitiveSensor sinkcap = CapacitiveSensor(6, 7);

const int floatswitch = 8;
const int sinkrelay = 10;
const int tankrelay = 9;

const int sinkled = 14;
const int tankled = 15;

int count = 0;
int floatstate = 0;
int sec = 0;
int lit = 0;

void setup() {

  Serial.begin(9600);

  pinMode(sinkrelay, OUTPUT);
  pinMode(tankrelay, OUTPUT);
  pinMode(sinkled, OUTPUT);
  pinMode(tankled, OUTPUT);

  pinMode(floatswitch, INPUT);

  lcd.begin(16, 2);
  lcd.print("Initializing...");
  delay(100);
  lcd.clear();
}

void loop() {

  long sinkrun = sinkcap.capacitiveSensor(30);
  floatstate = digitalRead(floatswitch);
  //  Serial.println(sinkrun);
  //  Serial.println(floatstate);

  if (sinkrun > 2500) {
    digitalWrite(sinkrelay, HIGH);
    digitalWrite(sinkled, HIGH);
  } else {
    digitalWrite(sinkrelay, LOW);
    digitalWrite(sinkled, LOW);
  };

  if (floatstate == LOW) {
    digitalWrite(tankrelay, HIGH);
    digitalWrite(tankled, HIGH);
    ++count;
  } else {
    digitalWrite(tankrelay, LOW);
    digitalWrite(tankled, LOW);
  };

  sec = (count / 8);
  lit = (count * 0.055);
  lcd.setCursor(0, 0);
  lcd.print("Seconds");
  lcd.setCursor(8, 0);
  lcd.print(sec);
  //Trouble Shoot Sensor
  //lcd.setCursor(12, 0);
  //lcd.print(sinkrun);
  lcd.setCursor(0, 1);
  lcd.print("Liters");
  lcd.setCursor(8, 1);
  lcd.print(lit);

  delay(175);
}