#include <OneWire.h>
#include <DallasTemperature.h>

// Data wire is plugged into GPIO 15 on the ESP32
#define ONE_WIRE_BUS 15
#define TEMPERATURE_PRECISION 12 // Lower resolution

// Pin LED
#define LED_HIJAU 13
#define LED_KUNING 12
#define LED_MERAH 14

// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature.
DallasTemperature sensors(&oneWire);

int numberOfDevices; // Number of temperature devices found
DeviceAddress tempDeviceAddress; // We'll use this variable to store a found device address

void setup(void) {
// start serial port
Serial.begin(115200);
Serial.println("Dallas Temperature IC Control Library Demo");

// Inisialisasi pin LED sebagai output
pinMode(LED_HIJAU, OUTPUT);
pinMode(LED_KUNING, OUTPUT);
pinMode(LED_MERAH, OUTPUT);

// Start up the library
sensors.begin();
// Grab a count of devices on the wire
numberOfDevices = sensors.getDeviceCount();

// locate devices on the bus
Serial.print("Locating devices...");
Serial.print("Found ");
Serial.print(numberOfDevices, DEC);
Serial.println(" devices.");

// report parasite power requirements
Serial.print("Parasite power is: ");
if (sensors.isParasitePowerMode()) Serial.println("ON");
else Serial.println("OFF");

// Loop through each device, print out address
for(int i = 0; i < numberOfDevices; i++) {
// Search the wire for address
if(sensors.getAddress(tempDeviceAddress, i)) {
Serial.print("Found device ");
Serial.print(i, DEC);
Serial.print(" with address: ");
printAddress(tempDeviceAddress);
Serial.println();
Serial.print("Setting resolution to ");
Serial.println(TEMPERATURE_PRECISION, DEC);

// set the resolution to TEMPERATURE_PRECISION bit (Each Dallas/Maxim device is capable of several different resolutions)
sensors.setResolution(tempDeviceAddress, TEMPERATURE_PRECISION);

Serial.print("Resolution actually set to: ");
Serial.print(sensors.getResolution(tempDeviceAddress), DEC);
Serial.println();
} else {
Serial.print("Found ghost device at ");
Serial.print(i, DEC);
Serial.print(" but could not detect address. Check power and cabling");
}
}
delay(5000);
}

// function to print the temperature for a device
void printTemperature(DeviceAddress deviceAddress) {
float tempC = sensors.getTempC(deviceAddress);
Serial.print("Temp C: ");
Serial.println(tempC);
Serial.print("Temp F: ");
Serial.println(DallasTemperature::toFahrenheit(tempC)); // Converts tempC to Fahrenheit

// Kontrol LED berdasarkan suhu
kontrolLED(tempC);
}

void kontrolLED(float temperatureC) {
if (temperatureC < 26.0) {
digitalWrite(LED_HIJAU, HIGH);
digitalWrite(LED_KUNING, LOW);
digitalWrite(LED_MERAH, LOW);
Serial.println("Dingin");
} else if (temperatureC >= 26.0 && temperatureC < 28.0) {
digitalWrite(LED_HIJAU, LOW);
digitalWrite(LED_KUNING, HIGH);
digitalWrite(LED_MERAH, LOW);
Serial.println("Normal");
} else if (temperatureC >= 28.0 && temperatureC < 30.0) {
digitalWrite(LED_HIJAU, LOW);
digitalWrite(LED_KUNING, LOW);
digitalWrite(LED_MERAH, HIGH);
Serial.println("Panas");
} else if (temperatureC > 30.0) {
digitalWrite(LED_HIJAU, LOW);
digitalWrite(LED_KUNING, LOW);
// Blink LED merah
for (int i = 0; i < 5; i++) {
digitalWrite(LED_MERAH, HIGH);
delay(500);
digitalWrite(LED_MERAH, LOW);
delay(500);
}
Serial.println("Panas Terik");
}
}

void loop(void) {
// call sensors.requestTemperatures() to issue a global temperature request to all devices on the bus
Serial.print("Requesting temperatures...");
sensors.requestTemperatures(); // Send the command to get temperatures
Serial.println("DONE");
// Loop through each device, print out temperature data
for(int i = 0; i < numberOfDevices; i++) {
// Search the wire for address
if(sensors.getAddress(tempDeviceAddress, i)) {
// Output the device ID
Serial.print("Temperature for device: ");
Serial.println(i, DEC);
// It responds almost immediately. Let's print out the data
printTemperature(tempDeviceAddress); // Use a simple function to print out the data
delay(3000);
}
//else ghost device! Check your power requirements and cabling
}
}

// function to print a device address
void printAddress(DeviceAddress deviceAddress) {
for (uint8_t i = 0; i < 8; i++) {
if (deviceAddress[i] < 16) Serial.print("0");
Serial.print(deviceAddress[i], HEX);
}
}