#include <Keypad.h>
#include "DHTesp.h"
#include <ESP32Servo.h>

int servoPin = 32;
Servo myservo;

const int DHT_PIN = 22;
DHTesp dht;

// Настройка клавиатуры
const byte ROWS = 4; // 4 строки
const byte COLS = 4; // 4 столбца
char keys[ROWS][COLS] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
}; 
byte rowPins[ROWS] = {19, 21, 17, 16}; 
byte colPins[COLS] = {15, 2, 0, 4}; 
Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

int lux;
int distance;
int t, h;

#define light 34
#define ECHO_PIN 14
#define TRIG_PIN 12
#define mq2 35
#define buzz 23
#define pir 13

// Пины для RGB светодиода
#define R 27
#define G 26
#define B 25

void setup(){
  Serial.begin(115200);
   
	myservo.attach(servoPin, 500, 2400);
  dht.setup(DHT_PIN, DHTesp::DHT22);

  pinMode(light, INPUT);
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(mq2, INPUT);
  pinMode(pir, INPUT);
  pinMode(buzz, OUTPUT);

  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);
  
  // Изначально выключаем светодиод
  analogWrite(R, 0);
  analogWrite(G, 0);
  analogWrite(B, 0);

  analogWrite(buzz, 0);
  myservo.write(180);
}

int readDistanceCM() {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  return duration * 0.034 / 2;
}

// Функция RGB
void RGB(int red, int green, int blue) {
  red = constrain(red, 0, 255);
  green = constrain(green, 0, 255);
  blue = constrain(blue, 0, 255);
  
  
  analogWrite(R, red);    // Красный канал
  analogWrite(G, green);  // Зеленый канал
  analogWrite(B, blue);   // Синий канал
  
  Serial.print("RGB: ");
  Serial.print(red);
  Serial.print(", ");
  Serial.print(green);
  Serial.print(", ");
  Serial.println(blue);
}

void loop(){
  distance = readDistanceCM();
  t = dht.getTemperature();
  h = dht.getHumidity();
  char key = keypad.getKey();
  
  if (key){
    Serial.println(String(key));
}

  
  
  Serial.println(distance);
  Serial.println(t);
  Serial.println(h);
  delay(100);
}