Growbox V10

#include <DHT.h>
#include <DHT_U.h>
#include "SoftwareSerial.h"
#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
#include "RTClib.h"


#define DHTPIN 5
#define DHTTYPE DHT21
DHT dht(DHTPIN, DHTTYPE);
#define TRIGGER_PIN 13
#define ECHO_PIN 12
#define USONIC_DIV 58.0
#define MEASURE_SAMPLE_DELAY 5
#define MEASURE_SAMPLES 25
#define MEASURE_DELAY 250
#define trigPin 13
#define echoPin 12

LiquidCrystal_I2C  lcd(0x27, 2, 1, 0, 4, 5, 6, 7);
RTC_DS1307 rtc;

int sensorPin = A0;

// Motor 1
int dir1PinA = 11;
int dir2PinA = 10;

// Motor 2
int dir1PinB = 9;
int dir2PinB = 8;

//light relays
int RELAY1 = 6;
int RELAY2 = 7;

//fans
int Fan1 = 50;
int Fan2 = 52;

//buttons
int inPin1 = 4;   // choose the input pin (for a pushbutton)
int inPin2 = 3;   // choose the input pin (for a pushbutton)
int inPin3 = 2;   // choose the input pin (for a pushbutton)

boolean backlight = false;
boolean fan = false;

String ssid = "Visnet";
String password = "vinvisje";

String data;
String server = "www.sweetcaffeine.nl"; // www.example.com
String uri = "/growbox/getfileold.php";// our example is /Serial2post.php

void reset() {
  lcd.setCursor(0, 0);
  lcd.clear();
  lcd.print("Reseting Wifi module ");
  Serial2.println("AT+RST");
  delay(1000);
  if (Serial2.find("OK")) {
    Serial.println("Module Reset");
    Serial.println("Module OK");
  } else if (Serial2.find("Ready")) {
    Serial.println("Module Reset");
    Serial.println("Module Ready");
  } else if (Serial2.find("ready")) {
    Serial.println("Module Reset");
    Serial.println("Module ready");
  }
  else {
    lcd.setCursor(0, 0);
    lcd.clear();
    lcd.print("Something went wrong,");
    lcd.setCursor(0, 1);
    lcd.print("trying to reset again ");
    Serial.println("Module not reset, try again");
    delay(100);
    reset();
  }

}

boolean checkfor(char* value)
{
  int i;
  for (i = 0; i < 10; i++)
  {
    delay(2000);
    if (Serial2.find(value)) {
      Serial.println("Found");
      Serial.println(value);
      return true;
    }
    Serial.println ("try: ") + Serial.println(i);
    lcd.setCursor(0, 0);
    lcd.clear();
    lcd.print("Trying to connect to wifi");
    lcd.setCursor(0, 2);
    lcd.print("Try:  ") +  lcd.print(i);;
  }
  return false;
}

//connect to your wifi network

void connectWifi() {
  String cmd = "AT+CWJAP=\"" + ssid + "\",\"" + password + "\"";
  delay(200);
  Serial2.println(cmd);
  if (!checkfor("OK")) {
    Serial.println("Cannot connect to wifi");
    lcd.setCursor(0, 0);
    lcd.clear();
    lcd.print("Couldn't connect to wifi");
    connectWifi();
  }
  Serial.println("Connected!");
  lcd.setCursor(0, 0);
  lcd.clear();
  lcd.print("Connected to wifi!");
  Serial.println("printing cmd:" + cmd);
}

void httppost() {
  Serial2.println("AT+CIPSTART=\"TCP\",\"" + server + "\",80");//start a TCP connection.
  if ( Serial2.find("OK")) {
    lcd.setCursor(0, 0);
    lcd.clear();
    lcd.print("TCP connection ready");
    Serial.println("TCP connection ready");
  }
  delay(1000);
  String postRequest =

    "POST " + uri + " HTTP/1.0\r\n" +
    "Host: " + server + "\r\n" +
    "Accept: *" + "/" + "*\r\n" +
    "Content-Length: " + data.length() + "\r\n" +
    "Content-Type: application/x-www-form-urlencoded\r\n" +
    "\r\n" + data;
  String sendCmd = "AT+CIPSEND=";//determine the number of caracters to be sent.

  Serial2.print(sendCmd);
  Serial2.println(postRequest.length() );
  delay(500);

  if (Serial2.find(">")) {
    Serial.println("Sending.."); Serial2.print(postRequest);
    if ( Serial2.find("SEND OK")) {
      lcd.setCursor(0, 0);
      lcd.clear();
      lcd.print("Packet send");
      lcd.setCursor(0, 2);
      lcd.print(data);
      Serial.println("Packet sent");
      Serial.println(data);
      delay(5000);
      while (Serial2.available()) {
        String tmpRSerial2 = Serial2.readString();
        Serial.println(tmpRSerial2);
      }

      Serial2.println("AT+CIPCLOSE");

    }

  }
}

void screenupdate() {
  int btn1 = digitalRead(inPin1);
  int btn2 = digitalRead(inPin2);
  int btn3 = digitalRead(inPin3);

  int m;
  m = analogRead(sensorPin);
  float t = dht.readTemperature();
  float h = dht.readHumidity();

  lcd.clear();
  lcd.setCursor(0, 0);

  DateTime now = rtc.now();
  String hour = String(now.hour(), DEC);
  String minute = String(now.minute(), DEC);
  String second = String(now.second(), DEC);

  lcd.print("Time: ");
  lcd.print(hour + ":" + minute + ":" + second);
  lcd.setCursor(0, 1);
  lcd.print("temperature: " + String(t));
  lcd.setCursor(0, 2);
  lcd.print("humidity: " + String(h));
  lcd.setCursor(0, 3);
  lcd.print("Soil humidity: " + String(m));
  if (btn1 == HIGH) {
    if (backlight == false) {
      lcd.setBacklight(HIGH);
      delay(1000);
      backlight = true;
    } else if (backlight == true) {
      lcd.setBacklight(LOW);
      delay(1000);
      backlight = false;
    }
  }
  delay(1000);
}

void setup() {
  lcd.setBacklightPin(3, POSITIVE);
  lcd.setBacklight(HIGH); // NOTE: You can turn the backlight off by setting it to LOW instead of HIGH
  lcd.begin(20, 4);
  lcd.clear();
  Serial2.begin(115200);
  Serial.begin(115200);
  lcd.setCursor(0, 0);
  lcd.clear();
  lcd.print("Growbox");
  lcd.setCursor(0, 1);
  lcd.print("By: Vincent Venhuizen");
  lcd.setCursor(0, 3);
  lcd.print("Version 1 - Update 14");
  delay(2000);
  Serial.println("GROWBOX_V4");
  Serial.println("Starting reset");
  //reset();
  Serial.println("Connecting Wifi");
  //connectWifi();
  Serial.begin(115200);

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running!");
    // following line sets the RTC to the date & time this sketch was compiled
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }

  pinMode(TRIGGER_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);

  // Reset the trigger pin and wait a half a second
  digitalWrite(TRIGGER_PIN, LOW);
  delayMicroseconds(500);


  pinMode(dir1PinA, OUTPUT);
  pinMode(dir2PinA, OUTPUT);
  pinMode(dir1PinB, OUTPUT);
  pinMode(dir2PinB, OUTPUT);
  pinMode(RELAY1, OUTPUT);
  pinMode(RELAY2, OUTPUT);
  pinMode(Fan1, OUTPUT);
  pinMode(Fan2, OUTPUT);

  pinMode(inPin1, INPUT);
  pinMode(inPin2, INPUT);
  pinMode(inPin3, INPUT);

  digitalWrite(Fan1, HIGH);
  digitalWrite(Fan2, HIGH);

}

void loop () {

  int btn1 = digitalRead(inPin1);
  int btn2 = digitalRead(inPin2);
  int btn3 = digitalRead(inPin3);
  if (btn1 == HIGH) {
    if (backlight == false) {
      lcd.setBacklight(HIGH);
      delay(1000);
      backlight = true;
    } else if (backlight == true) {
      lcd.setBacklight(LOW);
      delay(1000);
      backlight = false;
    }
  }

  DateTime now = rtc.now();
  String hour = String(now.hour(), DEC);
  String minute = String(now.minute(), DEC);
  String second = String(now.second(), DEC);
  screenupdate();
  if (analogRead(sensorPin) > 500) {
    digitalWrite(dir1PinB, LOW);
    digitalWrite(dir2PinB, HIGH);
  } else {
    digitalWrite(dir1PinB, LOW);
    digitalWrite(dir2PinB, LOW);
  }
  if (dht.readTemperature() < 20) {
    digitalWrite(dir1PinA, LOW);
    digitalWrite(dir2PinA, HIGH);
  } else {
    digitalWrite(dir1PinA, LOW);
    digitalWrite(dir2PinA, LOW);
  }
  if ((now.hour() > 8) || (now.hour() < 23)) {
    digitalWrite(RELAY1, LOW);
    digitalWrite(RELAY2, LOW);
  } else {
    digitalWrite(RELAY1, HIGH);
    digitalWrite(RELAY2, HIGH);
  }

  //update
  if (now.hour() == 4 || now.hour() == 8 || now.hour() == 12 || now.hour() == 16 || now.hour() == 20 || now.hour() == 0 ) {
    int m;
    m = analogRead(sensorPin);
    float t = dht.readTemperature();
    float h = dht.readHumidity();
    String sendtime = hour + ":" + minute + ":" + second;
    String duday = day;
    string dumonth = month;

    data = "password=growbox&temperature=" + String(t) + "&time=" + String(sendtime) + "&humidity=" + String(h) + "&groundmoisture=" + String(m) + "&day=" + String(duday) + "&month=" String(dumonth);
           httppost();
  }


  if (btn2 == HIGH) {
    if (fan == false) {
      lcd.clear();
      lcd.print("Fan's: OFF");
      fan = true;
      digitalWrite(Fan1, LOW);
      digitalWrite(Fan2, LOW);
      delay(2000);
    } else if (fan == true) {
      lcd.clear();
      lcd.print("Fan's: ON");
      fan = false;
      digitalWrite(Fan1, HIGH);
      digitalWrite(Fan2, HIGH);
      delay(2000);
    }

    delay(1000);
  }


  if (btn3 == HIGH) {
    delay(MEASURE_DELAY);

    long distance = measure();
    lcd.setCursor(0, 0);
    lcd.clear();
    lcd.print("Distance: ");
    lcd.setCursor(10, 0);
    lcd.print(distance);
    lcd.setCursor(17, 0);
    lcd.print(" mm");
    lcd.setCursor(0, 2);
    lcd.print("Plant height:");
    lcd.print(600 - distance);
    lcd.print(" mm");
    delay(2000);
  }

}

long measure() {
  long measureSum = 0;
  for (int i = 0; i < MEASURE_SAMPLES; i++)
  {
    delay(MEASURE_SAMPLE_DELAY);
    measureSum += singleMeasurement();
  }
  return measureSum / MEASURE_SAMPLES;
}

long singleMeasurement()
{
  long duration = 0;
  // Measure: Put up Trigger...
  digitalWrite(TRIGGER_PIN, HIGH);
  // ... wait for 11 µs ...
  delayMicroseconds(11);
  // ... put the trigger down ...
  digitalWrite(TRIGGER_PIN, LOW);
  // ... and wait for the echo ...
  duration = pulseIn(ECHO_PIN, HIGH);
  return (long) (((float) duration / USONIC_DIV) * 10.0);
}