Project #15: Environment – SD – Mk28

/****** Don Luc Electronics © ******
Software Version Information
Project #15: Environment – SD – Mk28
DL2502Mk06p.ino
DL2502Mk06
1 x Crowduino Uno - SD
1 x Crowtail - Base Shield
1 x Crowtail - LED(Red)
1 x Crowtail - Button 2.0
1 x MicroSD Card 4 Gb
1 x Crowtail - RTC 2.0
1 x CR1220 Battery
1 x Crowtail - Temperature and Humidity Sensor 2.0
1 x Crowtail - Rotary Angle Sensor 2.0
1 x Crowtail - Moisture Sensor 2.0
1 x Crowtail - I2C LCD
1 x Crowtail - LED(Green)
1 x Crowtail - LED(Yellow)
1 x USB Battery Pack
1 x USB Mini-B Cable
*/

// Include the Library Code
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>
// Wire
#include <Wire.h>
// Liquid Crystal
#include "LiquidCrystal.h"
// Temperature and Humidity Sensor
#include "DHT.h"
// RTC (Real-Time Clock)
#include "RTClib.h"
// Secure Digital (SD Card)
#include <SD.h>
#include <SPI.h>

// Secure Digital (SD Card)
const int chipSelect = 4;
String zzzzzz = "";

// Define LED Red
int iLED = 8;

// Button
int iButton = 9;
// Variable for reading the Button status
int iButtonState = 0;

// RTC (Real-Time Clock)
RTC_DS1307 RTC;
String dateRTC = "";
String timeRTC = "";

// Temperature and Humidity Sensor
#define DHTPIN 5
// DHT 11
#define DHTTYPE DHT11
DHT dht(DHTPIN, DHTTYPE);
// Temperature and Humidity Sensor
float h = 0;
float t = 0;

// Potentiometer
int iPotentiometer = A1;
// Change Your Threshold Here
int Threshold = 0;
int zz = 0;

// Liquid Crystal
// Connect via i2c
LiquidCrystal lcd(0);

// Crowtail Moisture Sensor
int iSoilMoisture = A0;
int iSoilMoistureVal = 0;

// LED Yellow
int iLEDYellow = 7;

// LED Green
int iLEDGreen = 6;

// EEPROM Unique ID Information
String uid = "";

// Software Version Information
String sver = "15-28";

void loop() {

  // Crowtail Moisture Sensor
  isSoilMoisture();

  // Temperature and Humidity Sensor
  isTH();

  // RTC (Real-Time Clock)
  isRTC();

  // Read the state of the Switch value
  iButtonState = digitalRead(iButton);

  // The Button is HIGH:
  if (iButtonState == HIGH) {

    // LED Red HIGH
    digitalWrite(iLED, HIGH);

    // MicroSD Card
    isSD();

  } else {

    // LED Red LOW
    digitalWrite(iLED, LOW);

  }

  // Delay 0.5 Second
  delay( 500 );

}

// getDisplay
// Crowbits - OLED 128X64 UID
void isDisplayUID(){

  // Set up the LCD's number of rows and columns: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Don Luc Electron");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD.
  lcd.print( sver );

}
// isDisplay Green
void isDisplayG(){

  // Print a message to the LCD
  // Clear
  lcd.clear();
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Humid Soil");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD
  lcd.print( iSoilMoistureVal );
  
}
// isDisplay Yellow
void isDisplayY(){

  // Print a message to the LCD
  // Clear
  lcd.clear();
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Dry Soil");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD
  lcd.print( iSoilMoistureVal );
  
}

// EEPROM
// isUID EEPROM Unique ID
void isUID() {
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

// RTC (Real-Time Clock)
// Setup RTC
void isSetupRTC(){

  // RTC (Real-Time Clock)
  RTC.begin();

  // RTC Running
  if (! RTC.isrunning()) {
    
    // following line sets the RTC to the date & time
    //this sketch was compiled
    RTC.adjust(DateTime(__DATE__, __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))
    
  }
  
}
// RTC (Real-Time Clock)
void isRTC(){

  // RTC (Real-Time Clock)
  DateTime now = RTC.now();
  
  // Date
  dateRTC = now.year(), DEC; 
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.month(), DEC;
  dateRTC = dateRTC + "/";
  dateRTC = dateRTC + now.day(), DEC;
  
  // Time
  timeRTC = now.hour(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.minute(), DEC;
  timeRTC = timeRTC + ":";
  timeRTC = timeRTC + now.second(), DEC;

}

// MicroSD Card
// MicroSD Setup
void isSetupSD() {

    // MicroSD Card
   // See if the card is present and can be initialized:
  if (!SD.begin(chipSelect)) {

    // Don't do anything more:
    while (1);
    
  }

}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  //DLE|EEPROM Unique ID|Version|Date|Time|
  //Temperature|Humidity|Soil Moisture|
  zzzzzz = "DLE|" + uid + "|" + sver + "|" + String( dateRTC ) + "|" 
  + String( timeRTC ) + "|" + String(t) + "|" + String(h) + "|" 
  + String(iSoilMoistureVal) + "|";

  // Open the file. Note that only one file can be open at a time,
  // so you have to close this one before opening another.
  File dataFile = SD.open("dledata.txt", FILE_WRITE);

  // If the file is available, write to it:
  if (dataFile) {
    
    // Write
    dataFile.println( zzzzzz );
    dataFile.close();

  }

}

// Crowtail Moisture Sensor
// Soil Moisture
void isSoilMoisture(){

  // Connect Soil Moisture Sensor to Analog 0
  // iSoilMoistureVal => 0~700 Soil Moisture
  iSoilMoistureVal = analogRead( iSoilMoisture );

  // Threshold => 200~500
  zz = analogRead( iPotentiometer );
  Threshold = map( zz, 0, 1024, 200, 500);

  // Threshold
  if (iSoilMoistureVal > Threshold) {

    // 300~700 - Humid Soil
    // LED Yellow
    digitalWrite(iLEDYellow, LOW);
    // Display Green
    isDisplayG();
    // LED Green
    digitalWrite(iLEDGreen, HIGH);
    
  }
  else {
    
    // 0-300 Dry Soil
    // LED Green
    digitalWrite(iLEDGreen, LOW);
    // Display Yellow
    isDisplayY();
    digitalWrite(iLEDYellow, HIGH);
    
  }

}

// Temperature and Humidity Sensor
void isTH(){

  // Temperature
  t = dht.readTemperature();
  // Humidity
  h = dht.readHumidity();
  
}

// Setup
void setup()
{
 
  // Delay
  delay(100);
  
  // isUID EEPROM Unique ID
  isUID();
  
  // Delay
  delay(100);

  // Initialize the LED iLED Yellow
  pinMode(iLEDYellow, OUTPUT);

  // Initialize the LED LED Green
  pinMode(iLEDGreen, OUTPUT);

  // Temperature and Humidity Sensor
  dht.begin();

  // Delay
  delay(100);
  
  // Setup RTC
  isSetupRTC();
  
  // Delay
  delay(100);

  // MicroSD Card
  isSetupSD();
  
  // Delay
  delay(100);

  // iLED Red
  pinMode(iLED, OUTPUT);

  // LED Red LOW
  digitalWrite(iLED, LOW);

  // Delay
  delay( 100 );

  // Button
  pinMode(iButton,INPUT);

  // Delay
  delay( 100 );

  // Display UID
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}