"LED Control" rev_01

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    - Project: "LED Control"
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2025-02-28 21:07:34

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* lo start accende led per 5s (timer1 in interrupt) */
    /* dopo si spegne fino alla successiva pressione   il */
    /* pulsante di stop (interrupt) spegne l'uscita in */
    /* qualsiasi situazione  in interrupt come counter, */
    /* quando arriva a 10 spegnere tutto fino a che non */
    /* si */
/****** END SYSTEM REQUIREMENTS *****/

/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <EasyButton.h> //https://github.com/evert-arias/EasyButton

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

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t start_PushButton_PIN_D2       = 2;
const uint8_t stop_PushButton_PIN_D3        = 3;
const uint8_t count_PushButton_PIN_D4       = 4;
const uint8_t up_PIN_D8                     = 8; // Added for up button
const uint8_t down_PIN_A4                   = A4; // Added for down button
const uint8_t reset_PIN_D4                  = 4; // Reset pin (already defined)

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t out_LED_PIN_D5        = 5;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool    out_LED_PIN_D5_rawData      = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float   out_LED_PIN_D5_phyData      = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/

// Global variables for USER CODE
int cont = 0;
int flag = 0;
bool ledActive = false; // To track if the LED is active

void setup(void)
{
    // put your setup code here, to run once:

    pinMode(start_PushButton_PIN_D2,    INPUT_PULLUP);
    pinMode(stop_PushButton_PIN_D3, INPUT_PULLUP);
    pinMode(count_PushButton_PIN_D4,    INPUT_PULLUP);
    pinMode(out_LED_PIN_D5,  OUTPUT);

    // USER CODE setup
    pinMode(LED_BUILTIN, OUTPUT);
    pinMode(up_PIN_D8, INPUT); // up
    pinMode(down_PIN_A4, INPUT); // down
    pinMode(reset_PIN_D4, INPUT); // reset
    Serial.begin(9600);
    TCCR1A = 0B00000000; // Normal Mode
    TIMSK1 = 0B00000001; // INT on overflow
    TCNT1 = -15625;
    sei();
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    updateOutputs(); // Refresh output data

    // USER CODE loop
    if (flag == 1) { // 5 seconds have passed
        flag = 0;
        ledActive = false; // Deactivate LED
        out_LED_PIN_D5_rawData = LOW; // Turn off LED
        Serial.println("LED turned off after 5 seconds");
    }
}

// Function to start the LED
void startLED() {
    ledActive = true; // Set LED active
    out_LED_PIN_D5_rawData = HIGH; // Turn on LED
    cont = 0; // Reset counter
    Serial.println("LED started");
}

// Function to stop the LED
void stopLED() {
    ledActive = false; // Set LED inactive
    out_LED_PIN_D5_rawData = LOW; // Turn off LED
    cont = 0; // Reset counter
    Serial.println("LED stopped");
}

/***** TIMER INTERRUPT FUNCTION *****/
ISR(TIMER1_OVF_vect) { // Timer interrupt function
    if (ledActive) {
        cont++;
        if (cont >= 5) { // 5 seconds
            flag = 1; // Set flag to indicate timeout
        }
    }
    TCNT1 = -15625; // Reset timer
}

// Update outputs
void updateOutputs()
{
    digitalWrite(out_LED_PIN_D5, out_LED_PIN_D5_rawData);
}

// Button press handling
void handleButtonPress() {
    if (digitalRead(start_PushButton_PIN_D2) == LOW) {
        startLED(); // Start LED on button press
    }
    if (digitalRead(stop_PushButton_PIN_D3) == LOW) {
        stopLED(); // Stop LED on button press
    }
}

/* END CODE */