claptrap eye

claptrapeye.ino

#include <FastLED.h>

#define LED_PIN     9
#define SENSOR_PIN  10
#define NUM_LEDS    3
#define LED_TYPE    WS2812
#define COLOR_ORDER GRB
CRGB leds[NUM_LEDS];
#define UPDATES_PER_SECOND 100

// Gradient palette "cw6_042_gp", originally from
// http://soliton.vm.bytemark.co.uk/pub/cpt-city/cw/6/tn/cw6-042.png.index.html
// converted for FastLED with gammas (2.6, 2.2, 2.5)
// Size: 8 bytes of program space.

DEFINE_GRADIENT_PALETTE( blue_p ) {
    0,   3, 37, 51,
  255,   7, 65, 60};

  // Gradient palette "cw6_006_gp", originally from
// http://soliton.vm.bytemark.co.uk/pub/cpt-city/cw/6/tn/cw6-006.png.index.html
// converted for FastLED with gammas (2.6, 2.2, 2.5)
// Size: 8 bytes of program space.

DEFINE_GRADIENT_PALETTE( red_p ) {
    0, 146, 37,  1,
  255,  35,  1,  1};

int mode = 0;
int storeSensorVal = LOW;

CRGBPalette16 currentPalette;

extern CRGBPalette16 madPalette;
extern const TProgmemPalette16 madPalette_p PROGMEM;
extern CRGBPalette16 finePalette;
extern const TProgmemPalette16 finePalette_p PROGMEM;
CRGBPalette16 redPalette = red_p;
CRGBPalette16 bluePalette = blue_p;


int numModes = 3;
CRGBPalette16 modes[3] = { RainbowColors_p, blue_p, red_p};


void setup() {
    Serial.begin(9600);
    pinMode(SENSOR_PIN, INPUT);
  
    delay( 3000 ); // power-up safety delay
    FastLED.setMaxPowerInVoltsAndMilliamps(3.7, 200);
    FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
}


void loop()
{   
    int sensorVal = digitalRead(SENSOR_PIN);
    if (sensorVal == HIGH && storeSensorVal == LOW){
      mode++;

      if (mode == numModes) {
        mode = 0;
      }
    }

    storeSensorVal = sensorVal;
  
    currentPalette = modes[mode];
    static uint8_t startIndex = 0;
    startIndex = startIndex + 1; /* motion speed */
    
    FillLEDsFromPaletteColors(startIndex);
    
    FastLED.show();
    FastLED.delay(1000 / UPDATES_PER_SECOND);
}

void FillLEDsFromPaletteColors( uint8_t colorIndex)
{
    uint8_t brightness = 255;
    
    for( int i = 0; i < NUM_LEDS; i++) {
        uint8_t idx = map(i, 0, NUM_LEDS, 0, 255) + colorIndex;
        leds[i] = ColorFromPalette( currentPalette, idx, brightness, LINEARBLEND);
        colorIndex += 3;
    }
}

const TProgmemPalette16 madPalette_p PROGMEM = {
  CRGB::Red,
  CRGB::Red,
  CRGB::Red
};

const TProgmemPalette16 finePalette_p PROGMEM = {
  CRGB::Teal,
  CRGB::Blue,
  CRGB::Teal
};