#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

#define DHTPIN 5     // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);
DHT dht(DHTPIN, DHTTYPE);
#define led 2
#define knifeTrig 4
#define powerTrig 15
#define outControl 12

int mDetik;
int detik;
int menit;
long jam; 
int target = 5;
volatile int interruptCounter;
int totalInterruptCounter;
hw_timer_t * timer = NULL;
portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
void IRAM_ATTR onTimer() {
  portENTER_CRITICAL_ISR(&timerMux);
  interruptCounter++;
  portEXIT_CRITICAL_ISR(&timerMux);
}

int kon0 = 0;
int kon1;
int kon2;
int pon1 = 0;
int pon2;
int kmDetik,kDetik,kMenit,kJam;


void setup() {
  Serial.begin(115200);
  Serial.println(F("DHT22 test!"));
  dht.begin();
  lcd.init();
 timer = timerBegin(0,80, true);//80
  timerAttachInterrupt(timer, &onTimer, true);
  timerAlarmWrite(timer, 100000, true); //1000000 = 1 detik
  timerAlarmEnable(timer);
  lcd.backlight();
  lcd.setCursor(1,0);
  lcd.print("-BROTHERSINDO-");
  pinMode(led,OUTPUT);
  pinMode(knifeTrig,INPUT_PULLUP);
  pinMode(powerTrig,INPUT_PULLUP);
  pinMode(outControl,OUTPUT);
  pinMode(26,INPUT_PULLUP);
  pinMode(27,INPUT_PULLUP);
  delay(1000);
  lcd.clear();
  //intro gak penting
  // lcd.setCursor(0,0);
  // lcd.print(F("  monitor suhu"));
  // lcd.setCursor(0,1);
  // lcd.print(F("   & kelembapan"));
  // delay(1000);
}

void loop() {
  
  timeint();
if(mDetik >= 9) {}
if(jam >= target && kon0 == 0)
{
  kon0=1;
  digitalWrite(outControl,HIGH);
  kDetik = 0;
}

if(digitalRead(26) == 0){
  kon1=1;
}

if(kon0 == 1 && kon1 == 1)//&& kode 3 jam
{
  digitalWrite(outControl,LOW);
      if(kDetik >= 2) //60
    {
      kDetik = 0;
      kMenit++;
    }
    if(kMenit >= 2) // 60
    {
      kDetik = 0;
      kMenit=0;
      kJam++;
    }
      if(kJam>=3)
      {
        kon0=0;
        digitalWrite(outControl,HIGH);
        kon1 = 0;
        kDetik = 0;
        kMenit = 0;
        kJam = 0;
      }
}

////////////////////////////////////
if(digitalRead(27) == 0) 
{
  digitalWrite(outControl,LOW);
  kon2 = 1;
}
if(kon2 == 1)
{
  target = jam+5;
  kon0=0;
  delay(300);
  kon2=0;
}

  float suhu = dht.readTemperature();
  float lembap = dht.readHumidity(); 

  // Check if any reads failed and exit early (to try again).
  if (isnan(suhu) || isnan(lembap)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    lcd.setCursor(0,0);  lcd.print(F(" Tidak terbaca"));
    return;
  }

  Serial.print(F("Temp: "));
  Serial.println(suhu);
  Serial.print(F("Humi: "));
  Serial.println(lembap);

  //Display data ke LCD =>tampung di data string
  String print_suhu = "Temp: " + String(suhu) + " C";
  String print_humd = "Humi: " + String(lembap) + " %";
  lcd.setCursor(0,0);  lcd.print(print_suhu);
  lcd.setCursor(0,1);  lcd.print(print_humd);
  
}


void timeint()
{
    if (interruptCounter > 0) 
  {
    portENTER_CRITICAL(&timerMux);
    interruptCounter--;
    portEXIT_CRITICAL(&timerMux);
    mDetik++;
    kmDetik++;
    if(kmDetik >=20)
    {
      kmDetik = 0;
    }
    
    if(mDetik >=10)
    {
      mDetik = 0;
      detik++;
      kDetik++;
    }
    if(detik >= 60) //60
    {
      detik = 0;
      menit++;
    }
    if(menit >= 60) // 60
    {
      detik = 0;
      menit=0;
      jam++;
          lcd.setCursor(10,1);
    lcd.print("Jam:");
    lcd.print(jam);
    }
//    lcd.setCursor(0,0);
//    lcd.print(jam);
//    lcd.print(":");
//    lcd.print(menit);
//    lcd.print(":");
//    lcd.print(detik);
//    lcd.print(":");
//    lcd.print(mDetik);
    Serial.print(target);
    Serial.print(" --- ");
    Serial.print(jam);
    Serial.print(":");
    Serial.print(menit);
    Serial.print(":");
    Serial.print(detik);
    Serial.print(":");
    Serial.println(mDetik);
}
}

void tampil_lcd()
{

}