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	- Project: Breathing LED
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-09-19 12:41:55

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* i have 4 led and that needs to be breathing LED */
	/* and has sequence of the lights */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h> // Include Arduino library for basic functions

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs();
void breatheLED(uint8_t pin); // Function to handle breathing effect

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t myLED_LED_PIN_D2 = 2;
const uint8_t myLED_LED_PIN_D3 = 3;
const uint8_t myLED_LED_PIN_D4 = 4; // Additional LED pin D4
const uint8_t myLED_LED_PIN_D5 = 5; // Additional LED pin D5

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool myLED_LED_PIN_D2_rawData = 0;
bool myLED_LED_PIN_D3_rawData = 0;
bool myLED_LED_PIN_D4_rawData = 0; // Additional raw data for LED D4
bool myLED_LED_PIN_D5_rawData = 0; // Additional raw data for LED D5

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float myLED_LED_PIN_D2_phyData = 0.0;
float myLED_LED_PIN_D3_phyData = 0.0;
float myLED_LED_PIN_D4_phyData = 0.0; // Additional physical data for LED D4
float myLED_LED_PIN_D5_phyData = 0.0; // Additional physical data for LED D5

void setup(void)
{
    // Initialize the LED pins as outputs
    pinMode(myLED_LED_PIN_D2, OUTPUT);
    pinMode(myLED_LED_PIN_D3, OUTPUT);
    pinMode(myLED_LED_PIN_D4, OUTPUT); // Initialize LED D4
    pinMode(myLED_LED_PIN_D5, OUTPUT); // Initialize LED D5
}

void loop(void)
{
    // Call the breatheLED function for each LED in sequence
    breatheLED(myLED_LED_PIN_D2); // Breathing effect for LED on pin D2
    breatheLED(myLED_LED_PIN_D3); // Breathing effect for LED on pin D3
    breatheLED(myLED_LED_PIN_D4); // Breathing effect for LED on pin D4
    breatheLED(myLED_LED_PIN_D5); // Breathing effect for LED on pin D5
}

void updateOutputs()
{
    digitalWrite(myLED_LED_PIN_D2, myLED_LED_PIN_D2_rawData);
    digitalWrite(myLED_LED_PIN_D3, myLED_LED_PIN_D3_rawData);
    digitalWrite(myLED_LED_PIN_D4, myLED_LED_PIN_D4_rawData); // Update LED D4
    digitalWrite(myLED_LED_PIN_D5, myLED_LED_PIN_D5_rawData); // Update LED D5
}

void breatheLED(uint8_t pin)
{
    // Breathing effect implementation
    for (int brightness = 0; brightness <= 255; brightness++) // Fade in
    {
        analogWrite(pin, brightness); // Set the brightness
        delay(10); // Wait for 10 milliseconds
    }
    for (int brightness = 255; brightness >= 0; brightness--) // Fade out
    {
        analogWrite(pin, brightness); // Set the brightness
        delay(10); // Wait for 10 milliseconds
    }
}

/* END CODE */