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	- Project: Warm Glow
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-05-01 09:31:48

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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
#### Feedback 2 ####
- the 20 led fade in and out at the same time. this should not be.
 each single led should fade in and out separately and randomly
********* 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 fadeValues[20] = {0}; // Array to store fade values for each LED
	static bool fadeDirections[20] = {true}; // Array to store fade directions for each LED

	for (int i = 0; i < 20; i++) {
		if (fadeDirections[i]) {
			fadeValues[i] += 5;
			if (fadeValues[i] >= 255) {
				fadeDirections[i] = false;
			}
		} else {
			fadeValues[i] -= 5;
			if (fadeValues[i] <= 0) {
				fadeDirections[i] = true;
			}
		}

		// Set warm color based on fade value for each LED
		CRGB color = CRGB(fadeValues[i], fadeValues[i] * 0.7, fadeValues[i] * 0.3);

		// Set LED color
		leds[i] = color;
	}

	// Show LED colors
	FastLED.show();
}

/* END CODE */