"LED Patterns" rev_01

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    - Project: "LED Patterns"
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2024-11-21 11:28:47

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* If the button is not pressed, red LED should be */
    /* blinking for an interval of 0.5s, if the button */
    /* was pressed, both Red and Blue LED should light up */
    /* alternately for an interval of 200ms. */
/****** 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 Bhuton_PushButton_PIN_D2      = 2;
const int redLEDPin = 11; // LED pin for red LED
const int blueLEDPin = 13; // LED pin for blue LED

// Define the blinking intervals
const int redLEDInterval = 500; // 0.5 seconds
const int blueLEDInterval = 200; // 200 milliseconds

// Define the state variables
bool buttonState = false;
unsigned long previousMillis = 0;

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(Bhuton_PushButton_PIN_D2, INPUT_PULLUP);

    // Set the LED pins as outputs
    pinMode(redLEDPin, OUTPUT);
    pinMode(blueLEDPin, OUTPUT);
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    // Read the button state
    buttonState = digitalRead(Bhuton_PushButton_PIN_D2); // Updated to use Bhuton_PushButton_PIN_D2

    // Check if the button is pressed
    if (buttonState == HIGH) {
        // Blink the red and blue LEDs alternately
        unsigned long currentMillis = millis();
        if (currentMillis - previousMillis >= blueLEDInterval) {
            previousMillis = currentMillis;

            // Toggle the state of the LEDs
            digitalWrite(redLEDPin, !digitalRead(redLEDPin));
            digitalWrite(blueLEDPin, !digitalRead(blueLEDPin));
        }
    } else {
        // Blink the red LED only
        unsigned long currentMillis = millis();
        if (currentMillis - previousMillis >= redLEDInterval) {
            previousMillis = currentMillis;

            // Toggle the state of the red LED
            digitalWrite(redLEDPin, !digitalRead(redLEDPin));
        }
    }
}

/* END CODE */