CoopCommandEsp32-0.1.2

// Fill-in information from your Blynk Template here
#define BLYNK_TEMPLATE_ID "TMPL-flCABCq"
#define BLYNK_DEVICE_NAME "CoopCommand"

#define BLYNK_FIRMWARE_VERSION        "0.1.2"

#define BLYNK_PRINT Serial
//#define BLYNK_DEBUG

#define APP_DEBUG

// Uncomment your board, or configure a custom board in Settings.h
//#define USE_WROVER_BOARD
//#define USE_TTGO_T7

#include "BlynkEdgent.h"
#include <DallasTemperature.h>
#include <OneWire.h>
#include <DHT.h>

BlynkTimer timer;

// DS18B20 Sensor Setup

#define ONE_WIRE_BUS 25
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

//DHT Setup
#define DHTPIN 34             // Pin for DHT sensor
#define DHTTYPE DHT22         // DHT 22  (AM2302)
DHT dht(DHTPIN, DHTTYPE);     // Initialize DHT sensor

// pin assignments
const int photocellPin                 = 35; // analog pin for photocell
const int bottomSwitchPin              = 26; // bottom switch is connected to pin 26
const int topSwitchPin                 = 27; // top switch is connected to pin 27
const int directionCloseCoopDoorMotorB = 19;  // direction close motor b - pin 19
const int directionOpenCoopDoorMotorB  = 21;  // direction open motor b - pin 21
const int layLightRelay                = 4; // output pin controlling lay light relay
const int fanRelay                     = 16; // output pin controlling ventilation fan relay
const int heatRelay                    = 17;  // output pin controlling water heater relay

// Sensor Variables
bool doorOpen          = false;          // is the coop door open
bool doorClosed        = false;          // is the door closed
bool doorOpenMove      = false;          // is the door opening?
bool doorCloseMove     = false;          // is the door closing?
int topSwitchState;                      // Current state (open/closed) of the top limit switch
int bottomSwitchState;                   // Current state (open/closed) of the bottom limit switch
bool doorSensor        = true;           // is the door in automatic or manual mode
bool ventOn            = false;          // is the ventilation fan relay on or off
bool heaterOn          = true;           // is the water heater function running
bool nightTimer        = false;          // is it night time
bool layLightOn        = true;           // is the Lay Light time monitoring system on
bool nightLightOn      = false;          // is the Night Light on
int coopTemp           = 0;              // Interior Coop Temperature Reading
int closeDoor          = 20;             // Light level to close coop door (user editable, EEPROM saved)
int openDoor           = closeDoor + 10; // Light level to open coop door
int hotTemp            = 30;             // Temperature to turn on Ventilation Fan Relay (user editable, EEPROM saved)
int coldTemp           = 3;              // Temperature to turn on Water Heat Relay (user editable, EEPROM saved)
float waterTemp          = 0;              // Water Tempterature Reading
float hum;                               // Stores humidity value from DHT22
float temp;                              // Stores temperature value from DHT22
int photocellReading;                    // analog reading of the photocell
int photocellReadingLevel = '2';         // photocell reading levels (night, light, twilight)

// Timer Variables
unsigned long layLightTimer            = 36000000; // Timer to make sure at least 14 hours or "daylight"
unsigned long lastDayLightReadingTime  = 0;        // timer to keep track of how long it has been night
unsigned long nightLightDelay          = 300000;   // 5 minute timer to turn on the coop light if "enter" is pushed and it is night.
unsigned long lastNightLightTime       = 0;        // the last time the night light button was pushed

void setup()
{
  Serial.begin(115200);
  delay(100);
  dht.begin();
  sensors.begin();
  BlynkEdgent.begin();
  pinMode(photocellPin, INPUT);
  pinMode(topSwitchPin, INPUT);
  pinMode(bottomSwitchPin, INPUT);
  pinMode(layLightRelay, OUTPUT);
  pinMode(fanRelay, OUTPUT);
  pinMode(heatRelay, OUTPUT);
  pinMode(directionCloseCoopDoorMotorB, OUTPUT);
  pinMode(directionOpenCoopDoorMotorB, OUTPUT);
  photocellReading = analogRead(photocellPin);
  photocellReading = map(photocellReading, 0, 1023, 0, 100);
  timer.setInterval(2000,readSensor);
  timer.setInterval(600000,doorControl);
  timer.setInterval(1000,ventFan);
  timer.setInterval(1000,waterHeat);
  timer.setInterval(2000,layLight);
}

void layLight() {
  if (layLightOn) {
    if (!nightTimer) { // if it is not dark
      lastDayLightReadingTime = millis();
      digitalWrite(layLightRelay, LOW); // turn off the lay light
    } else { // if it is dark
      if ((unsigned long)(millis() - lastDayLightReadingTime) >= layLightTimer) { //if it has been dark more than 10 hours (or whatever the timer is
        digitalWrite(layLightRelay, HIGH); // turn on the lay light
        Blynk.virtualWrite(V11, HIGH);
      } else {
        digitalWrite(layLightRelay, LOW); // turn off the lay light
        Blynk.virtualWrite(V11, LOW);
      }
    }
  }
  if (nightLightOn) { // if someone wants the light on
    digitalWrite(layLightRelay, HIGH);
    Blynk.virtualWrite(V11, HIGH);
  }
  else if ((unsigned long)(millis() - lastNightLightTime) >= nightLightDelay) {
    digitalWrite (layLightRelay, LOW);
    Blynk.virtualWrite(V11, LOW);
    nightLightOn = false;
  }
}

void readSensor()
{
  //Read Photocell
    photocellReading = analogRead(photocellPin);
    photocellReading = map(photocellReading, 0, 1023, 0, 100);
  //Read DS18B20 Water Temp Sensor
  sensors.requestTemperatures();
  waterTemp = sensors.getTempCByIndex(0);
  Blynk.virtualWrite(V7, waterTemp);
  //Read DHT22
  hum = dht.readHumidity();
  temp = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
  Blynk.virtualWrite(V13, hum);
  Blynk.virtualWrite(V0, temp);
}

void doorControl()
{
  if (photocellReading >= 0 && photocellReading <= closeDoor) { // Night Setting based on user or default selected low light trigger
    if (doorSensor) {
      photocellReadingLevel = '1';
    }
    nightTimer = true;
  }
  else if (photocellReading  >= closeDoor && photocellReading <= openDoor) { // Twighlight setting
    if (doorSensor) {
      photocellReadingLevel = '2';
    }
  }
  else if (photocellReading  >= (openDoor + 1) ) { //Daylight Setting
    if (doorSensor) {
      photocellReadingLevel = '3';
    }
    nightTimer = false;
  }
}

void waterHeat()
{
  if (heaterOn) {
      if (waterTemp == -127) {
        digitalWrite(heatRelay, LOW); //turn off the water heater
        waterTemp = 0;
        heaterOn = false;
      }
      else if (waterTemp >= (coldTemp + 3)) { // if the temperature is 3 degrees above the trigger temp
        digitalWrite(heatRelay, LOW); //turn off the water heater
      }
      else if (waterTemp < coldTemp) { //if the temperature is below the cold temperature
        digitalWrite(heatRelay, HIGH); //turn on the water heater
      }
  }
}

void ventFan()
{
  if (coopTemp >= hotTemp) { // if the temperature is above the Hot temperature
      digitalWrite(fanRelay, HIGH);
      ventOn = true;
    }
  else if (coopTemp < (hotTemp - 2)) { // if the temperature has been lowered two degrees
      digitalWrite(fanRelay, LOW);
      ventOn = false;
    }
}

void readSwitches() {
  topSwitchState = (digitalRead(topSwitchPin));
  bottomSwitchState = (digitalRead(bottomSwitchPin));
}

// stop the coop door motor and put the motor driver IC to sleep (power saving)
void stopCoopDoorMotorB() {
  digitalWrite (directionCloseCoopDoorMotorB, LOW);      // turn off motor close direction
  digitalWrite (directionOpenCoopDoorMotorB, LOW);       // turn off motor open direction
}

// close the coop door motor
void closeCoopDoorMotorB() {
  if (bottomSwitchState == 1) {                         //if the bottom reed switch is open
    digitalWrite (directionCloseCoopDoorMotorB, HIGH);     // turn on motor close direction
    digitalWrite (directionOpenCoopDoorMotorB, LOW);       // turn off motor open direction
  }
  if (bottomSwitchState == 1 && topSwitchState == 1) {   // if both reed switches are open (door is moving)

  }
  if (bottomSwitchState == 0) {                     // if bottom reed switch circuit is closed
    stopCoopDoorMotorB();
  }
}

// open the coop door
void openCoopDoorMotorB() {
  if (topSwitchState == 1) {                         //if the top reed switch is open
    digitalWrite(directionCloseCoopDoorMotorB, LOW);       // turn off motor close direction
    digitalWrite(directionOpenCoopDoorMotorB, HIGH);       // turn on motor open direction
  }
  if ((bottomSwitchState == 1) && (topSwitchState == 1)) {   // if both reed switches are open
  }
  if (topSwitchState == 0) {                            // if top reed switch circuit is closed
    stopCoopDoorMotorB();
  }
}

// do the coop door
void doCoopDoor() {
  if (photocellReadingLevel  == '1') {              // if it's dark
    readSwitches();
    closeCoopDoorMotorB();                      // close the door
  }
  else if (photocellReadingLevel  == '3') {              // if it's light
    readSwitches();
    openCoopDoorMotorB();                       // Open the door
  }
  else if (photocellReadingLevel == '2') {          // if it's twilight
    readSwitches();
    stopCoopDoorMotorB();
  }
}

BLYNK_WRITE (V7)
{
  photocellReadingLevel = '3';
}

BLYNK_WRITE (V6)
{
  photocellReadingLevel = '1';
}

BLYNK_WRITE (V10)
{
  if (doorSensor) {
    doorSensor = false;
    Blynk.virtualWrite(V9, HIGH);
  }
  else {
    doorSensor = true;
    Blynk.virtualWrite(V9, LOW);
  }
}




void loop() {
  BlynkEdgent.run();
  doCoopDoor();
}