greenhouse 25.05.2014 with moisture

#include <OneWire.h>
#include <LiquidCrystal.h>
#include <DallasTemperature.h>




            //LCD 20x4 pins
            LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

           // Data wire is plugged into pin 3 on the Arduino
            #define ONE_WIRE_BUS 3
            //#define contrastPin 9
            //#define contrast 110

            // Setup a oneWire instance to communicate with any OneWire devices
            OneWire oneWire(ONE_WIRE_BUS);

            // Pass our oneWire reference to Dallas Temperature.
            DallasTemperature sensors(&oneWire);

            // Assign the addresses of your 1-Wire temp sensors.
            // See the tutorial on how to obtain these addresses:
            // http://www.hacktronics.com/Tutorials/arduino-1-wire-address-finder.html

            DeviceAddress pinnaseThermometer = { 0x28, 0x0A, 0x03, 0xD9, 0x04, 0x00, 0x00, 0x93 };
            DeviceAddress kasvuhoonesThermometer = { 0x28, 0xF3, 0x33, 0xD8, 0x04, 0x00, 0x00, 0x7C };
            DeviceAddress outdoorThermometer = { 0x28, 0xB3, 0xD9, 0xD8, 0x04, 0x00, 0x00, 0x6E };
            DeviceAddress mullasThermometer = { 0x28, 0x1F, 0xAA, 0xDA, 0x02, 0x00, 0x00, 0xBA };


            #define moisture_input A0 // analog pin  0  nael 1
            #define divider_top A1 // takisti analog pin 1 10K A1-st A0-i, divider top
            #define divider_bottom A2 // nael 2 analog pin 2
            int waterPump =A5; // led, water pump analog pin 5
            int moisture;
            int Koguprotsent;
            int tempHigh =A3; // relee mis avab luugi
            int tempLow =A4; //relee mis suleb luugi

             int X=0;

            void setup(void)
            {

            lcd.begin(16, 2);
            lcd.clear();
            lcd.setCursor(0,0);

            pinMode (tempLow, OUTPUT);
            pinMode (tempHigh, OUTPUT);
            pinMode (waterPump, OUTPUT);
             digitalWrite(waterPump, HIGH);
             digitalWrite (tempLow, HIGH);
             digitalWrite (tempHigh, HIGH);


              // start serial port
              Serial.begin(9600);


              // Start up the library
              sensors.begin();
              // set the resolution to 10 bit (good enough?)
              sensors.setResolution(pinnaseThermometer, 9);
              sensors.setResolution(kasvuhoonesThermometer, 9);
              sensors.setResolution(outdoorThermometer, 9);
              sensors.setResolution(mullasThermometer, 9);

            }

            void printTemperature(DeviceAddress deviceAddress)
            {
              float tempC = sensors.getTempC(deviceAddress);
              if (tempC == -127.00) {
                Serial.print("Error getting temperature");
              } else {
                Serial.print(tempC);
                Serial.print("C  ");

                //-- panin koodi siia..
              }

                     Serial.println();
                     if (tempC >= 27 && X ==0){
                       digitalWrite(tempHigh, HIGH);
                      Serial.print("Palav on liiga.Avame luugi.");
                      delay(6000); //luugi avamise aeg mootorile
                      digitalWrite(tempHigh, LOW);
                     X = 1;
                     }

                     if (tempC <= 24 && X ==1){
                      Serial.print("Jahedaks kisub.Sulgeme luugi.");
                     X = 0;

                      digitalWrite(tempLow, HIGH);
                      delay(6000);       // luugi sulgemise aeg mootorile
                      digitalWrite(tempLow, LOW);



}






            }

            void loop(void)
            {
              //---- soil
                           // digitalWrite(waterPump, HIGH);

        //     Serial.print("Getting Soil Moisture...\n\r");
              moisture=SoilMoisture(); // soilmoister as variable
               Koguprotsent = ((moisture*100)/900); // mina sain max väärtuseks 950
              Serial.print("Niiskuse absoluut arv: ");
              Serial.println(moisture);
             delay(2000);

               Serial.print("Mullas on niiskust ");
               Serial.print(Koguprotsent);
               Serial.print(" % ");

              Serial.println();


              delay(2000); // tuleks sättida endale sobivaks.



                if (Koguprotsent >= 38){
               Serial.print("Pinnas on niiske parajalt.");
               delay(1000);

                Serial.println();

//               digitalWrite(waterPump, HIGH);

                }
                if (Koguprotsent <= 37){
                 Serial.print("Peab kastma.Appi-appi!!!Kuivame!");

                   digitalWrite(waterPump, LOW);
                   delay(1000);                    //pumba töö aeg.Katsetamise käigus selgub palju oleks normaalne aeg pumba tööks,et ei tekiks uputust.
                   digitalWrite(waterPump, HIGH);

                   Serial.println();
                }

                //---------- temp
              delay(1000);
              Serial.print("Getting temperatures...\n\r");
              sensors.requestTemperatures();
              delay(2000);
              Serial.print("Mulla temperature is:  ");
              printTemperature(pinnaseThermometer);
              Serial.print("\n\r");
              delay(1000);
              Serial.print("Kasvuhoones temperature is: ");
              printTemperature(kasvuhoonesThermometer);
              Serial.print("\n\r");
              delay(1000);
              Serial.print("Outdoor temperature is: ");
              printTemperature(outdoorThermometer);
              Serial.print("\n\r");
              delay(1000);
              Serial.print("Mullas temperature is: ");
              printTemperature(mullasThermometer);
              Serial.print("\n\r");
              delay(1000);
            }




            int SoilMoisture(){
              int reading;
              // set driver pins to outputs
              pinMode(divider_top,OUTPUT);
              pinMode(divider_bottom,OUTPUT);

              // drive a current through the divider in one direction
              digitalWrite(divider_top,LOW);
              digitalWrite(divider_bottom,HIGH);

              // wait a moment for capacitance effects to settle
              delay(1000);

              // take a reading
              reading=analogRead(moisture_input);

              // reverse the current
              digitalWrite(divider_top,HIGH);
              digitalWrite(divider_bottom,LOW);

              // give as much time in 'reverse' as in 'forward'
              delay(1000);

              // stop the current
              digitalWrite(divider_bottom,LOW);

              return reading;

             //relays for temp
             pinMode(tempHigh,OUTPUT);





            }