HSVTest.h

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#include "FastLED.h"
 
#define NUM_LEDS 5
 
#ifndef PIN_DATA
#define PIN_DATA 1  // Universally available pin
#endif
 
#ifndef PIN_CLOCK
#define PIN_CLOCK 2  // Universally available pin
#endif
 
CRGB leds[NUM_LEDS];
 
UISlider hueSlider("Hue", 128, 0, 255, 1);
UISlider saturationSlider("Saturation", 255, 0, 255, 1);
UISlider valueSlider("Value", 255, 0, 255, 1);
UICheckbox autoHue("Auto Hue", true);
 
// Group related HSV control UI elements using UIGroup template multi-argument constructor
UIGroup hsvControls("HSV Controls", hueSlider, saturationSlider, valueSlider, autoHue);
 
void setup() {
    //FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
    // fl::ScreenMap screenMap(NUM_LEDS);
 
    FastLED.addLeds<APA102HD, PIN_DATA, PIN_CLOCK, BGR>(leds, NUM_LEDS)
    .setCorrection(TypicalLEDStrip);
}
 
void loop() {
 
    uint8_t hue = hueSlider.value();
    uint8_t saturation = saturationSlider.value();
    uint8_t value = valueSlider.value();
 
    if (autoHue.value()) {
        uint32_t now = millis();
        uint32_t hue_offset = (now / 100) % 256;
        hue = hue_offset;
        hueSlider.setValue(hue);
    }
 
    CHSV hsv(hue, saturation, value);
 
    leds[0] = hsv2rgb_spectrum(hsv);
    leds[2] = hsv2rgb_rainbow(hsv);
    leds[4] = hsv2rgb_fullspectrum(hsv);
 
    FastLED.show();
}