Plant Watering System

// Include Libraries
#include "Arduino.h"
#include "DS18B20.h"
#include "LiquidCrystal_PCF8574.h"
#include "SoilMoisture.h"
#include "Pump.h"


// Pin Definitions
#define DS18B20_PIN_DQ  3
#define SOILMOISTURE5V_PIN_SIG  A10
#define WATERPUMP_PIN_COIL1 2



// Global variables and defines
// There are several different versions of the LCD I2C adapter, each might have a different address.
// Try the given addresses by Un/commenting the following rows until LCD works follow the serial monitor prints. 
// To find your LCD address go to: http://playground.arduino.cc/Main/I2cScanner and run example.
#define LCD_ADDRESS 0x3F
//#define LCD_ADDRESS 0x27

// Define LCD characteristics
#define LCD_ROWS 4
#define LCD_COLUMNS 20
#define SCROLL_DELAY 150
#define BACKLIGHT 255
// object initialization
DS18B20 ds18b20(DS18B20_PIN_DQ);
LiquidCrystal_PCF8574 lcd20x4;
SoilMoisture soilMoisture5v(SOILMOISTURE5V_PIN_SIG);
Pump waterpump(WATERPUMP_PIN_COIL1);



// define vars for testing menu
const int timeout = 10000;       //define timeout of 10 sec
char menuOption = 0;
long time0;

// Setup the essentials for your circuit to work. It runs first every time your circuit is powered with electricity.
void setup() 
{
    // Setup Serial which is useful for debugging
    // Use the Serial Monitor to view printed messages
    Serial.begin(9600);
    while (!Serial) ; // wait for serial port to connect. Needed for native USB
    Serial.println("start");
    
    // initialize the lcd
    lcd20x4.begin(LCD_COLUMNS, LCD_ROWS, LCD_ADDRESS, BACKLIGHT); 
    menuOption = menu();
    
}

// Main logic of your circuit. It defines the interaction between the components you selected. After setup, it runs over and over again, in an eternal loop.
void loop() 
{
    
    
    if(menuOption == '1') {
    // DS18B20 1-Wire Temperature Sensor - Test Code
    // Read DS18B20 temp sensor value in degrees celsius. for degrees fahrenheit use ds18b20.ReadTempF()
    float ds18b20TempC = ds18b20.readTempC();
    Serial.print(F("Temp: ")); Serial.print(ds18b20TempC); Serial.println(F(" [C]"));

    }
    else if(menuOption == '2') {
    // LCD Display 20x4 I2C - Test Code
    // The LCD Screen will display the text of your choice.
    lcd20x4.clear();                          // Clear LCD screen.
    lcd20x4.selectLine(2);                    // Set cursor at the begining of line 2
    lcd20x4.print("    Circuito.io  ");                   // Print print String to LCD on first line
    lcd20x4.selectLine(3);                    // Set cursor at the begining of line 3
    lcd20x4.print("      Rocks!  ");                   // Print print String to LCD on second line
    delay(1000);

    }
    else if(menuOption == '3') {
    // Soil Moisture Sensor - Test Code
    int soilMoisture5vVal = soilMoisture5v.read();
    Serial.print(F("Val: ")); Serial.println(soilMoisture5vVal);

    }
    else if(menuOption == '4') {
    // Submersible Pool Water Pump 240L/H - Test Code
    // The water pump will turn on and off for 2000ms (4 sec)
    waterpump.on(); // 1. turns on
    delay(2000);       // 2. waits 500 milliseconds (0.5 sec).
    waterpump.off();// 3. turns off
    delay(2000);       // 4. waits 500 milliseconds (0.5 sec).

    }
    
    
    
    if (millis() - time0 > timeout)
    {
        menuOption = menu();
    }
    
}



// Menu function for selecting the components to be tested
// Follow serial monitor for instrcutions
char menu()
{

    Serial.println(F("\nWhich component would you like to test?"));
    Serial.println(F("(1) DS18B20 1-Wire Temperature Sensor"));
    Serial.println(F("(2) LCD Display 20x4 I2C"));
    Serial.println(F("(3) Soil Moisture Sensor"));
    Serial.println(F("(4) Submersible Pool Water Pump 240L/H"));
    Serial.println(F("(menu) send anything else or press on board reset button\n"));
    while (!Serial.available());

    // Read data from serial monitor if received
    while (Serial.available()) 
    {
        char c = Serial.read();
        if (isAlphaNumeric(c)) 
        {
            if(c == '1') 
          Serial.println(F("Now Testing DS18B20 1-Wire Temperature Sensor"));
        else if(c == '2') 
          Serial.println(F("Now Testing LCD Display 20x4 I2C"));
        else if(c == '3') 
          Serial.println(F("Now Testing Soil Moisture Sensor"));
        else if(c == '4') 
          Serial.println(F("Now Testing Submersible Pool Water Pump 240L/H"));
            else
            {
                Serial.println(F("illegal input!"));
                return 0;
            }
            time0 = millis();
            return c;
            }
        }
    }

/*******************************************************

*    Circuito.io is an automatic generator of schematics and code for off
*    the shelf hardware combinations.

*    Copyright (C) 2016 Roboplan Technologies Ltd.

*    This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.

*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.

*    You should have received a copy of the GNU General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.

*    In addition, and without limitation, to the disclaimers of warranties 
*    stated above and in the GNU General Public License version 3 (or any 
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