#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "DHTesp.h"

#define TINGGI_LAYAR 64
#define LEBAR_LAYAR 128
Adafruit_SSD1306 oled(LEBAR_LAYAR, TINGGI_LAYAR, &Wire, -1);
int DHT_PIN = 15;
DHTesp dhtSensor;
int ledBiru = 12;
int ledKuning = 14;
int ledMerah = 26;
int buzz = 25;

void setup()
{
  Serial.begin(9600);
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("failed to start SSD1306 OLED"));
    while (1);
  }
  pinMode(ledBiru, OUTPUT);
  pinMode(ledKuning, OUTPUT);
  pinMode(ledMerah, OUTPUT);
  pinMode(buzz, OUTPUT);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  oled.clearDisplay();
  oled.setTextSize(1);
  oled.setTextColor(WHITE);
  oled.setCursor(25, 20);
  oled.print("SMART FARMING");
  oled.display();
  delay(500);
  oled.clearDisplay();
}

void loop()
{
  bacaDHT22();
}

void bacaDHT22()
{
 TempAndHumidity  data = dhtSensor.getTempAndHumidity();
 float bacaSuhu = dhtSensor.getTemperature();
 oled.clearDisplay();
 oled.setTextSize(1);
 oled.setTextColor(WHITE);
 oled.setCursor(10, 10);
 oled.print("Data DHT22");
 oled.setCursor(10, 20);
 oled.print("Suhu :");
 oled.print(String(data.temperature, 2) + " C");
 oled.setCursor(10, 30);
 oled.print("Kelembapan :");
 oled.print(String(data.humidity, 1) + " %");
 //kondisi suhu diatas 35
 if(bacaSuhu > 35)
 {
   digitalWrite(ledBiru, LOW);
   digitalWrite(ledKuning, LOW);
   digitalWrite(ledMerah, HIGH);
   tone(buzz, 1000, 300);
   oled.setTextSize(1);
   oled.setTextColor(WHITE);
   oled.setCursor(10, 40);
   oled.print("Suhu Panas");
   oled.display();
 }
 //kondisi suhu diantara 29 dan 35
 else if (bacaSuhu <= 35 && bacaSuhu >= 29 )
 {
   digitalWrite(ledBiru, LOW);
   digitalWrite(ledKuning, HIGH);
   digitalWrite(ledMerah, LOW);
  //  noTone(buzz);
   oled.setTextSize(1);
   oled.setTextColor(WHITE);
   oled.setCursor(10, 40);
   oled.print("Suhu Cukup");
   oled.display();
 }
 //kondisi suhu dibawah 29
 else if (bacaSuhu < 29)
 {
   digitalWrite(ledBiru, HIGH);
   digitalWrite(ledKuning, LOW);
   digitalWrite(ledMerah, LOW);
  //  noTone(buzz);
   oled.setTextSize(1);
   oled.setTextColor(WHITE);
   oled.setCursor(10, 40);
   oled.print("Suhu Rendah");
   oled.display();
 }
 else
 {
   digitalWrite(ledBiru, LOW);
   digitalWrite(ledKuning, LOW);
   digitalWrite(ledMerah, LOW);
  //  noTone(buzz);
 }
 oled.display();
 delay(500);
 oled.clearDisplay();
}