Temperature Control rev_03

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    - Project: Temperature Control
    - Source Code NOT compiled for: ESP32 DevKit V1
    - Source Code created on: 2025-01-21 14:58:13

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* a thermostat with  offset on and offset off logic. */
    /* Freertos is used.  The thermostat recipe has the */
    /* name of the recipe, the step number, the step */
    /* temperature, and the step time in minutes. The set */
    /* temperature is maintained during each step. */
/****** 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); // FreeRTOS task for thermostat

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

/***** THERMOSTAT RECIPE STRUCTURE *****/
struct ThermostatStep {
    const char* recipeName;
    int stepNumber;
    float stepTemperature;
    int stepTime; // in minutes
};

/***** THERMOSTAT RECIPE EXAMPLE *****/
ThermostatStep currentStep = {"Heating", 1, 25.0, 10}; // Example step

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
OneWire oneWire(Temp_Sensor_DS18B20_DQ_PIN_D4); // OneWire instance
DS18B20 ds18b20(&oneWire); // DS18B20 instance

/****** FREE RTOS TASK HANDLE *****/
TaskHandle_t thermostatTaskHandle = NULL;

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

    // Initialize the DS18B20 sensor
    if (!ds18b20.begin()) {
        Serial.println("Could not find a valid DS18B20 sensor!");
        while (1);
    }

    // Create the thermostat task
    xTaskCreate(
        thermostatTask,      // Task function
        "ThermostatTask",    // Name of the task
        2048,                // Stack size (bytes)
        NULL,                // Parameter passed to the task
        1,                   // Task priority
        &thermostatTaskHandle // Task handle
    );
}

void loop(void)
{
    // The loop can be used for other tasks if needed
    vTaskDelay(1000 / portTICK_PERIOD_MS); // Delay for a second
}

void thermostatTask(void *pvParameters)
{
    // Run the thermostat logic
    while (true) {
        // Request temperature from the sensor
        ds18b20.requestTemperatures();
        float currentTemperature = ds18b20.getTempC();

        // Check if the current temperature is below the set temperature
        if (currentTemperature < currentStep.stepTemperature) {
            // Logic to turn on heating (not implemented)
            Serial.println("Heating ON");
        } else {
            // Logic to turn off heating (not implemented)
            Serial.println("Heating OFF");
        }

        // Wait for the duration of the step
        vTaskDelay(currentStep.stepTime * 60000 / portTICK_PERIOD_MS); // Convert minutes to milliseconds
    }
}

/* END CODE */