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	- Project: "LED Control"
	- Source Code NOT compiled for: Arduino Mega
	- Source Code created on: 2024-06-11 14:00:25

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* Implement a supercar effect using WS2812B LED */
	/* strip controlled by FastLED library. The setup */
	/* involves initializing digital pin 2 for output and */
	/* continuously updating the LED state based on raw */
	/* data input. */
/****** END SYSTEM REQUIREMENTS *****/


/********* User code review feedback **********
#### Feedback 1 ####
- number of led on strip are 9
********* 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 fadeall(void);

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t strip_WS2812B_DIN_PIN_D2 = 2;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool strip_WS2812B_DIN_PIN_D2_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float strip_WS2812B_DIN_PIN_D2_phyData = 0.0;

/****** DEFINITION OF LED STRIP PARAMETERS *****/
#define NUM_LEDS 9 // Number of LEDs in the strip
#define DATA_PIN strip_WS2812B_DIN_PIN_D2 // Data pin for the LED strip

/****** DEFINITION OF LED ARRAY *****/
CRGB leds[NUM_LEDS]; // Array to hold LED color data

void setup(void) {
    // Initialize the LED strip
    FastLED.addLeds<WS2812B, DATA_PIN, RGB>(leds, NUM_LEDS);
    FastLED.setBrightness(84); // Set brightness level

    // Initialize the data pin
    pinMode(strip_WS2812B_DIN_PIN_D2, OUTPUT);
}

void loop(void) {
    // Update the LED pattern
    static uint8_t hue = 0;
    for (int i = 0; i < NUM_LEDS; i++) {
        leds[i] = CHSV(hue++, 255, 255); // Set LED color
        FastLED.show(); // Update the LEDs
        fadeall(); // Fade all LEDs
        delay(10); // Delay for smooth animation
    }
    for (int i = NUM_LEDS - 1; i >= 0; i--) {
        leds[i] = CHSV(hue++, 255, 255); // Set LED color
        FastLED.show(); // Update the LEDs
        fadeall(); // Fade all LEDs
        delay(10); // Delay for smooth animation
    }

    // Refresh output data
    updateOutputs();
}

void updateOutputs() {
    // Update the digital output pin with raw data
    digitalWrite(strip_WS2812B_DIN_PIN_D2, strip_WS2812B_DIN_PIN_D2_rawData);
}

void fadeall() {
    // Reduce brightness of all LEDs
    for (int i = 0; i < NUM_LEDS; i++) {
        leds[i].nscale8(250);
    }
}

/* END CODE */