Growbox

#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>>
#include "DHT.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); // 0x27 is the I2C bus address for an unmodified module

RTC_DS1307 rtc;

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

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

int sensorPin = A0;


//reset the Wifi module

void reset() {
  Serial2.println("AT+RST");
  delay(1000);
  if(Serial2.find("OK") ) Serial.println("Module Reset");
  Serial.println("Reset OK");
}

//Try to connect 10 times, than try again :P

boolean checkfor(char* value)
{
  int i;
  for(i = 1; i < 11; i++)
  {
    delay(2000);
    if(Serial2.find(value)) {
      Serial.println("Found");
      Serial.println(value);
      return true;
    }
    Serial.println ("try: ") + Serial.println(i);
  }
  return false;
}

//Connect to Wifi Network

void connectWifi() {
  lcd.clear();
  lcd.setCursor(0,0);

  String cmd = "AT+CWJAP=\"" +ssid+"\",\"" + password + "\"";
  delay(200);
  Serial2.println(cmd);
  Serial.println("ERROR");
  lcd.print("Error");
  if(!checkfor("OK")) {
    Serial.println("Cannot connect to wifi");
      lcd.setCursor(0,1);
    lcd.print("Couldn't connect to wifi");
    connectWifi();
  }
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Connected");
  Serial.println("Connected!");
  Serial.println("printing cmd:" + cmd);
  lcd.setCursor(0,2);
  lcd.print("printing cmd:" + cmd);
}

//Send Header+Package to database

void httppost() {
  Serial2.println("AT+CIPSTART=\"TCP\",\"" + server + "\",80");//start a TCP connection.
  if( Serial2.find("OK")) {
    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")) {
    Serial.println("Packet sent");
    Serial.println(data);
    delay(5000000);
      while (Serial2.available()) {
      String tmpRSerial2 = Serial2.readString();
      Serial.println(tmpRSerial2);
      }

    Serial2.println("AT+CIPCLOSE");

    }

  }
}

void screenupdate(){

}

void setup() {
  Serial.begin(115200);


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

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

  lcd.setCursor(0,0);
  lcd.print("GROWBOX - Vincent Venhuizen");
  Serial.println("GROWBOX_V4");
  lcd.setCursor(0,1);
  lcd.print("Starting reset");
  Serial.println("Starting reset");
  reset();
  lcd.setCursor(0,2);
  lcd.print("Connecting to wifi");
  Serial.println("Connecting Wifi");
  connectWifi();

  Serial.begin(115200);
  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Couldn't find RTC");
    while (1);
  }
}

void loop () {
  data = "password=growbox&temperature=TEST&time=TEST&humidity=TEST&groundmoisture=TEST";
  httppost();
  delay(100);
}