"Temperature Control" rev_07

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    - Project: "Temperature Control"
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-01-21 15:38:36

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The thermostat maintains 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>   // Required for OneWire operations
#include <freertos/FreeRTOS.h> // Include FreeRTOS library
#include <freertos/task.h> // Include FreeRTOS task related functions

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t Temp_Sensor_DS18B20_DQ_PIN_D4 = 4;
DS18B20 sensor(new OneWire(Temp_Sensor_DS18B20_DQ_PIN_D4)); // Create an instance of DS18B20 with OneWire

/****** FUNCTION IMPLEMENTATIONS *****/
void setup(void)
{
    Serial.begin(115200);
    serial.println("Thermostat Starting");

    sensor.begin();

    // Create a FreeRTOS task for temperature control
    xTaskCreate(
        temperatureControlTask,     // Function to implement the task
        "Temperature Control",       // Name of the task
        1024,                        // Stack size in words
        NULL,                        // Task input parameter
        1,                           // Priority of the task
        NULL                         // Task handle
    );
}

void loop(void)
{
    // Loop remains empty as tasks run in the background
}

// Temperature control task
void temperatureControlTask(void * parameter)
{
    const float targetTemperature = 21.0; // Target temperature
    const int duration = 100000; // Run time in milliseconds (100 seconds)

    uint32_t startTime = xTaskGetTickCount();
    while ((xTaskGetTickCount() - startTime) * portTICK_PERIOD_MS < duration)
    {
        sensor.requestTemperatures();
        float currentTemperature = sensor.getTempC(); // Request and retrieve current temperature
        Serial.print("Current Temperature: ");
        Serial.println(currentTemperature);

        // Additional code to maintain temperature can be added here
        vTaskDelay(1000 / portTICK_PERIOD_MS); // Delay for 1 second to prevent flooding the output
    }

    Serial.println("Temperature Control Finished");
    vTaskDelete(NULL); // Delete the task when done
}

/* END CODE */