"Thermostat Control" rev_06

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    - Project: "Thermostat Control"
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-01-21 15:34:51

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The thermostat maintains the set temperature for */
    /* the specified time. rtos is used */
/****** 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 thermostatTask(void *pvParameters); // Task function for the thermostat

/***** 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

// Temperature settings
float setTemperature = 25.0; // Desired temperature in Celsius
const int holdTime = 60000; // Time to maintain temperature in milliseconds

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 at the pin.");
        while (1);
    }

    // Create a FreeRTOS task for the thermostat
    xTaskCreate(thermostatTask, "ThermostatTask", 2048, NULL, 1, NULL);
}

void loop(void)
{
    // Main loop can be used for other tasks or can remain empty
}

/****** THERMOSTAT TASK FUNCTION *****/
void thermostatTask(void *pvParameters)
{
    while (true) {
        // Request temperature from the sensor
        tempSensor.requestTemperatures();
        float currentTemperature = tempSensor.getTempC();

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

        // Check if the current temperature is below the set temperature
        if (currentTemperature < setTemperature) {
            // Code to turn on heating (e.g., digitalWrite(HEATER_PIN, HIGH);)
            Serial.println("Heating ON");
        } else {
            // Code to turn off heating (e.g., digitalWrite(HEATER_PIN, LOW);)
            Serial.println("Heating OFF");
        }

        // Maintain the set temperature for the specified time
        vTaskDelay(holdTime / portTICK_PERIOD_MS); // Delay for holdTime
    }
}

/* END CODE */