"Temperature Control" rev_09

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    - Project: "Temperature Control"
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-01-21 15:46:06

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The thermostat turns the heater on and off to */
    /* maintain a temperature of 21 degrees for 100 */
    /* seconds. using RTOS */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

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

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t Temp_Sensor_DS18B20_DQ_PIN_D4 = 4;

/***** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
OneWire oneWire(Temp_Sensor_DS18B20_DQ_PIN_D4); // Create OneWire instance
DS18B20 tempSensor(&oneWire); // Create DS18B20 instance

/****** THERMOSTAT SETTINGS *****/
const float TARGET_TEMPERATURE = 21.0; // Target temperature in degrees Celsius
const unsigned long HEATER_ON_DURATION = 100000; // Heater on duration in milliseconds (100 seconds)
bool heaterState = false; // Heater state

void setup(void)
{
    // Initialize serial communication for debugging
    Serial.begin(115200);

    // Initialize temperature sensor
    if (!tempSensor.begin()) {
        Serial.println("Could not find a valid DS18B20 sensor!");
        while (1);
    }
}

void loop(void)
{
    // Request temperature from sensor
    tempSensor.requestTemperatures();
    float currentTemperature = tempSensor.getTempC();

    // Print current temperature for debugging
    Serial.print("Current Temperature: ");
    Serial.println(currentTemperature);

    // Control the heater based on the current temperature
    controlHeater(currentTemperature);

    // Delay for a while before the next reading
    delay(1000); // Read temperature every second
}

void controlHeater(float currentTemperature)
{
    if (currentTemperature < TARGET_TEMPERATURE && !heaterState) {
        // Turn the heater on
        heaterState = true;
        Serial.println("Heater ON");
        // Here you would add code to actually turn on the heater (e.g., digitalWrite(pin, HIGH));

        // Keep the heater on for the specified duration
        delay(HEATER_ON_DURATION);

        // Turn the heater off
        heaterState = false;
        Serial.println("Heater OFF");
        // Here you would add code to actually turn off the heater (e.g., digitalWrite(pin, LOW));
    }
}

/* END CODE */