LED Animation rev_03

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    - Project: LED Animation
    - Source Code compiled for: Arduino Uno
    - Source Code created on: 2024-05-01 09:21:26

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* The LED chipset is WS2812B RGB  Number of LED is */
    /* 20  Digital output is D5  write a code:  led fade */
    /* in and out randomly, increments 5.  set fade in */
    /* value at 0,  set fade out value at 255  set fade */
    /* time from 0 to 255 at 5 seconds  use only warm */
    /* colors */
/****** END SYSTEM REQUIREMENTS *****/


/********* User code review feedback **********
#### Feedback 1 ####
- The colors for each led are random, use warm colors only
********* User code review feedback **********/

/****** DEFINITION OF LIBRARIES *****/
#include <FastLED.h>    //https://github.com/FastLED/FastLED

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

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t WS2812B_LEDRGB_PIN_D5 = 5; // Digital output pin D5 for WS2812B LED

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
CRGB leds[20]; // Define LED array with 20 LEDs

void setup(void)
{
    // put your setup code here, to run once:
    FastLED.addLeds<WS2812B, WS2812B_LEDRGB_PIN_D5, GRB>(leds, 20); // Initialize FastLED object with 20 LEDs on pin D5

    pinMode(WS2812B_LEDRGB_PIN_D5, OUTPUT); // Set D5 pin as output
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    updateOutputs(); // Refresh output data
    ledFadeInOut(); // Perform LED fade in and out randomly
}

void updateOutputs()
{
    // No need to update outputs in this case
}

void ledFadeInOut()
{
    static uint8_t fadeValue = 0;
    static bool fadeDirection = true;

    if (fadeDirection) {
        fadeValue += 5;
        if (fadeValue >= 255) {
            fadeDirection = false;
        }
    } else {
        fadeValue -= 5;
        if (fadeValue <= 0) {
            fadeDirection = true;
        }
    }

    // Set warm color based on fade value
    CRGB color = CRGB(fadeValue, fadeValue * 0.7, fadeValue * 0.3);

    // Set LED color
    for (int i = 0; i < 20; i++) {
        leds[i] = color;
    }

    // Show LED color
    FastLED.show();

    // Delay for 5 seconds
    delay(5000);
}

/* END CODE */