Vibra Glow

1#include <FastLED.h>        // https://github.com/FastLED/FastLED
2FASTLED_USING_NAMESPACE
3
4#define NUM_LEDS         150 // Total Number of LEDs
5#define DATA_PIN          3 // Connect your Addressable LED Strip to this Pin.
6#define LED_TYPE     WS2811 // WS2801, WS2811, WS2812B, LPD8806, TM1809, etc...
7#define COLOR_ORDER     RGB // Default Color Order
8#define ENVELOPE_PIN     A0 // Envelope Pin of the Sparkfun Sound Detector Module
9
10#define BRIGHTNESS      200 // Min: 0, Max: 255
11#define SATURATION      150 // Min: 0, Max: 255
12#define MIN_VAL          20 // Adjust this between 0 and 75 for sensitivity
13#define MAX_VAL         250 // Adjust this between 75 and 750 for sensitivity
14#define HUE_INIT         10 // < 255
15#define HUE_CHANGE        2 // < 255
16
17/*============= SELECT STYLE =============*/
18/*                                        */
19/*    0   -->   LinearReactive            */
20/*    1   -->   BrightnessReactive        */
21/*                                        */                                        
22/* */          int STYLE = 1;          /* */
23/*                                        */
24/*========================================*/
25
26CRGB leds[NUM_LEDS];
27byte dynamicHue = HUE_INIT;
28int analogVal = 0;
29int val = 0;
30
31void setup() { 
32  pinMode(ENVELOPE_PIN, INPUT);
33  
34  FastLED.addLeds<LED_TYPE,DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
35  FastLED.setBrightness(BRIGHTNESS);
36
37  for(int i = 0; i < NUM_LEDS; i++) {
38    leds[i] = CRGB::Black;
39  }
40
41  // Update the LED Strip
42  FastLED.show(); 
43}
44
45void loop() {
46  analogVal = analogRead(ENVELOPE_PIN);
47
48  if(analogVal > MAX_VAL)
49    analogVal = MAX_VAL;
50
51  if(analogVal < MIN_VAL)
52    analogVal = MIN_VAL;
53
54  switch (STYLE) {
55    case 1:
56      BrightnessReactive();
57      break;
58    default:
59      LinearReactive();
60      break;
61  }
62  
63  // Update the LED Strip
64  FastLED.show();
65}
66
67void LinearReactive() {
68  val = map(analogVal, 0, MAX_VAL+1, 0, NUM_LEDS);
69
70  for(int i = 0; i < NUM_LEDS; i++) {
71    if (i <= val)
72      leds[i] = CHSV(HUE_INIT+(HUE_CHANGE*i), SATURATION, BRIGHTNESS);
73    else
74      leds[i].nscale8(10);
75  }
76}
77
78void BrightnessReactive() {
79  val = map(analogVal, MIN_VAL, MAX_VAL, 0, BRIGHTNESS);
80  
81  for(int i = 0; i < NUM_LEDS; i++) {
82    leds[i] = CHSV(HUE_INIT+(HUE_CHANGE*i), SATURATION, val);
83  }
84}