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	- Project: Temperature Monitoring
	- Source Code NOT compiled for: Arduino Nano ESP32
	- Source Code created on: 2024-08-12 13:51:30

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* surveillance de temperature à l'aide du capteur */
	/* DS18B20 connecté à la broche numérique D2. Lire et */
	/* traiter les données de température pour les */
	/* applications d'énergie solaire, garantissant des */
	/* relevés précis et opportuns. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <DS18B20.h>	//https://github.com/matmunk/DS18B20

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t temp_DS18B20_DQ_PIN_D2 = 2;

/***** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Create a Bus instance for communication on the specified pin
MaximWire::Bus bus(temp_DS18B20_DQ_PIN_D2);
// Create a DS18B20 instance without specifying an address (will need to discover devices)
MaximWire::DS18B20 device;

/****** SETUP FUNCTION *****/
void setup(void)
{
	// Initialize serial communication for debugging
	Serial.begin(9600);
	
	// Set the pin mode for the temperature sensor data pin
	pinMode(temp_DS18B20_DQ_PIN_D2, INPUT);
}

/****** LOOP FUNCTION *****/
void loop(void)
{
	// Check if the device is valid
	if (device.IsValid()) {
		// Get the temperature in Celsius
		float temp = device.GetTemperature<float>(bus);
		if (!isnan(temp)) {
			// Print the temperature to the serial monitor
			Serial.print("Temperature: ");
			Serial.print(temp);
			Serial.println(" °C");
		} else {
			// If the temperature reading is invalid, print a message
			Serial.println("Temperature reading lost.");
			device.Reset(); // Reset the device if lost
		}
	} else {
		// If the device is not valid, try to discover it
		if (bus.Discover().FindNextDevice(device) && device.GetModelCode() == MaximWire::DS18B20::MODEL_CODE) {
			Serial.print("Found device: ");
			Serial.println(device.ToString());
			device.Update(bus); // Update the device state
		} else {
			// If no device is found, print a message
			Serial.println("No DS18B20 device found.");
			device.Reset(); // Reset the device if not found
		}
	}
	
	// Delay before the next loop iteration
	delay(1000);
}

/* END CODE */