Temp Control rev_01

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    - Project: Temp Control
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2024-10-21 05:40:41

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* If DUT temperature is less than 50°C & POT voltage */
    /* is less than 2 Volts starts output connected to */
    /* pin3 else no output */
/****** 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 TC1_DS18B20_DQ_PIN_D2     = 2; // Pin for DS18B20 data line
const uint8_t TC1_DS18B20_DQ_PIN_D3     = 3; // Output pin for control

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
// Create an instance of the DS18B20 class, using pin D2
DS18B20 ds(TC1_DS18B20_DQ_PIN_D2);

// Define alarm temperature thresholds
#define LOW_ALARM 20
#define HIGH_ALARM 25

// Address of the DS18B20 device (example address)
uint8_t address[] = {40, 250, 31, 218, 4, 0, 0, 52};

/****** SETUP FUNCTION *****/
void setup(void)
{
    // Start serial communication for debugging
    Serial.begin(9600);

    // Set pin modes for the digital input pins
    pinMode(TC1_DS18B20_DQ_PIN_D2, INPUT);
    pinMode(TC1_DS18B20_DQ_PIN_D3, OUTPUT); // Set pin D3 as output

    // Select the DS18B20 device using its address
    if (ds.select(address)) {
        // Set the alarm thresholds for the temperature sensor
        ds.setAlarms(LOW_ALARM, HIGH_ALARM);
    } else {
        Serial.println("Device not found!");
    }
}

/****** LOOP FUNCTION *****/
void loop(void)
{
    // Check if the DS18B20 device is selected
    if (ds.select(address)) {
        // Get the current temperature
        float currentTemperature = ds.getTempC();

        // Simulate reading POT voltage (replace with actual voltage reading code)
        float potVoltage = analogRead(A0) * (5.0 / 1023.0); // Assuming a 5V reference

        // Check the system requirements
        if (currentTemperature < 50.0 && potVoltage < 2.0) {
            digitalWrite(TC1_DS18B20_DQ_PIN_D3, HIGH); // Activate output
        } else {
            digitalWrite(TC1_DS18B20_DQ_PIN_D3, LOW); // Deactivate output
        }

        // Check if the temperature alarm has been triggered
        if (ds.hasAlarm()) {
            // Print a warning message with the current temperature
            Serial.print("Warning! Temperature is ");
            Serial.print(currentTemperature);
            Serial.println(" C");
        }
    } else {
        Serial.println("Device not found!");
    }

    // Wait for 10 seconds before the next loop iteration
    delay(10000);
}

/* END CODE */