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#include "FastLED/FastLED.h"
#include "FastLED/FastLED.h"
FASTLED_USING_NAMESPACE;
FASTLED_USING_NAMESPACE;


#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
#define bitSet(value, bit) ((value) |= (1UL << (bit)))
#define bitSet(value, bit) ((value) |= (1UL << (bit)))
#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))


#define LED_PIN D0
#define LED_PIN D0
#define LED_TYPE WS2811
#define LED_TYPE WS2811
#define COLOR_ORDER GRB
#define COLOR_ORDER GRB
#define NUM_LEDS 512
#define NUM_LEDS 512
CRGB leds[NUM_LEDS];
CRGB leds[NUM_LEDS];


#define MICROPHONE 12
#define MICROPHONE 12
#define GAIN_CONTROL 11
#define GAIN_CONTROL 11


void brightenOrDarkenEachPixel( fract8 fadeUpAmount, fract8 fadeDownAmount);
void brightenOrDarkenEachPixel( fract8 fadeUpAmount, fract8 fadeDownAmount);
CRGB makeBrighter( const CRGB& color, fract8 howMuchBrighter);
CRGB makeBrighter( const CRGB& color, fract8 howMuchBrighter);
CRGB makeDarker( const CRGB& color, fract8 howMuchDarker);
CRGB makeDarker( const CRGB& color, fract8 howMuchDarker);


// Twinkling 'holiday' lights that fade up and down in brightness.
// Twinkling 'holiday' lights that fade up and down in brightness.
// Colors are chosen from a palette; a few palettes are provided.
// Colors are chosen from a palette; a few palettes are provided.
//
//
// The basic operation is that all pixels stay black until they
// The basic operation is that all pixels stay black until they
// are 'seeded' with a relatively dim color. The dim colors
// are 'seeded' with a relatively dim color. The dim colors
// are repeatedly brightened until they reach full brightness, then
// are repeatedly brightened until they reach full brightness, then
// are darkened repeatedly until they are fully black again.
// are darkened repeatedly until they are fully black again.
//
//
// A set of 'directionFlags' is used to track whether a given
// A set of 'directionFlags' is used to track whether a given
// pixel is presently brightening up or darkening down.
// pixel is presently brightening up or darkening down.
//
//
// For illustration purposes, two implementations of directionFlags
// For illustration purposes, two implementations of directionFlags
// are provided: a simple one-byte-per-pixel flag, and a more
// are provided: a simple one-byte-per-pixel flag, and a more
// complicated, more compact one-BIT-per-pixel flag.
// complicated, more compact one-BIT-per-pixel flag.
//
//
// Darkening colors accurately is relatively easy: scale down the
// Darkening colors accurately is relatively easy: scale down the
// existing color channel values. Brightening colors is a bit more
// existing color channel values. Brightening colors is a bit more
// error prone, as there's some loss of precision. If your colors
// error prone, as there's some loss of precision. If your colors
// aren't coming our 'right' at full brightness, try increasing the
// aren't coming our 'right' at full brightness, try increasing the
// STARTING_BRIGHTNESS value.
// STARTING_BRIGHTNESS value.
//
//
// -Mark Kriegsman, December 2014
// -Mark Kriegsman, December 2014


#define MASTER_BRIGHTNESS 200
#define MASTER_BRIGHTNESS 200


#define STARTING_BRIGHTNESS 64
#define STARTING_BRIGHTNESS 64
#define FADE_IN_SPEED 32
#define FADE_IN_SPEED 32
#define FADE_OUT_SPEED 60
#define FADE_OUT_SPEED 60
#define DENSITY 255
#define DENSITY 255


void setup() {
void setup() {
delay(3000);
delay(3000);
FastLED.addLeds<LED_TYPE,LED_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
FastLED.addLeds<LED_TYPE,LED_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
FastLED.setBrightness(MASTER_BRIGHTNESS);
FastLED.setBrightness(MASTER_BRIGHTNESS);
initMicrophone();
initMicrophone();
// analogReference(DEFAULT);
// analogReference(DEFAULT);
// Serial.begin(57600);
// Serial.begin(57600);
}
}


void initMicrophone()
void initMicrophone()
{
{
pinMode(GAIN_CONTROL, OUTPUT);
pinMode(GAIN_CONTROL, OUTPUT);
digitalWrite(GAIN_CONTROL, LOW);
digitalWrite(GAIN_CONTROL, LOW);
}
}


CRGBPalette16 gPalette;
CRGBPalette16 gPalette;


int readMaxSound( uint8_t ms)
int readMaxSound( uint8_t ms)
{
{
uint32_t startms = millis();
uint32_t startms = millis();
while( millis() == startms) {};
while( millis() == startms) {};
startms = millis();
startms = millis();
int maxvol = 0;
int maxvol = 0;
while( (startms + ms) > millis()) {
while( (startms + ms) > millis()) {
// int mic = analogRead(MICROPHONE)-512;
// int mic = analogRead(MICROPHONE)-512;
int mic = analogRead(MICROPHONE);
int mic = analogRead(MICROPHONE);
if( mic < 0) mic = 0-mic;
if( mic < 0) mic = 0-mic;
if( mic > maxvol) maxvol = mic;
if( mic > maxvol) maxvol = mic;
}
}
return maxvol;
return maxvol;
}
}


void loop()
void loop()
{
{
chooseColorPalette();
chooseColorPalette();
colortwinkles();
colortwinkles();
// delay(2);
// delay(2);
// int mic = readMaxSound(10);
// int mic = readMaxSound(10);
// mic /= 2;
// mic /= 2;
// mic = dim8_raw( mic);
// mic = dim8_raw( mic);
// mic = dim8_raw( mic);
// mic = dim8_raw( mic);


// // Serial.println(mic);
// // Serial.println(mic);




// static int avgmic = 0;
// static int avgmic = 0;
// avgmic = ((avgmic * 3) + mic) / 4;
// avgmic = ((avgmic * 3) + mic) / 4;
// mic = avgmic;
// mic = avgmic;
// delay(2);
// delay(2);
// if( mic > 0) {
// if( mic > 0) {
// for( int j = 0; j < mic; j++) {
// for( int j = 0; j < mic; j++) {
// leds[random16(NUM_LEDS)] = ColorFromPalette( gPalette, random8());
// leds[random16(NUM_LEDS)] = ColorFromPalette( gPalette, random8());
// }
// }
// }
// }
FastLED.show();
FastLED.show();
// FastLED.delay(1);
// FastLED.delay(1);
}
}




void chooseColorPalette()
void chooseColorPalette()
{
{
uint8_t numberOfPalettes = 9;
uint8_t numberOfPalettes = 9;
uint8_t secondsPerPalette = 60;
uint8_t secondsPerPalette = 60;
uint8_t whichPalette = (millis()/(1000*secondsPerPalette)) % numberOfPalettes;
uint8_t whichPalette = (millis()/(1000*secondsPerPalette)) % numberOfPalettes;


CRGB r(CRGB::Red), b(CRGB::Blue), w(85,85,85), g(CRGB::Green), W(CRGB::White), l(CRGB::FairyLight);
CRGB r(CRGB::Red), b(CRGB::Blue), w(85,85,85), g(CRGB::Green), W(CRGB::White), l(CRGB::FairyLight);


whichPalette = 8;
whichPalette = 8;
switch( whichPalette) {
switch( whichPalette) {
case 0: // Red, Green, and White
case 0: // Red, Green, and White
gPalette = CRGBPalette16( r,r,r,r, r,r,r,r, g,g,g,g, w,w,w,w );
gPalette = CRGBPalette16( r,r,r,r, r,r,r,r, g,g,g,g, w,w,w,w );
break;
break;
case 1: // Blue and White
case 1: // Blue and White
//gPalette = CRGBPalette16( b,b,b,b, b,b,b,b, w,w,w,w, w,w,w,w );
//gPalette = CRGBPalette16( b,b,b,b, b,b,b,b, w,w,w,w, w,w,w,w );
gPalette = CloudColors_p; // Blues and whites!
gPalette = CloudColors_p; // Blues and whites!
break;
break;
case 2: // Rainbow of colors
case 2: // Rainbow of colors
gPalette = RainbowColors_p;
gPalette = RainbowColors_p;
break;
break;
case 3: // Incandescent "fairy lights"
case 3: // Incandescent "fairy lights"
gPalette = CRGBPalette16( l,l,l,l, l,l,l,l, l,l,l,l, l,l,l,l );
gPalette = CRGBPalette16( l,l,l,l, l,l,l,l, l,l,l,l, l,l,l,l );
break;
break;
case 4: // Snow
case 4: // Snow
gPalette = CRGBPalette16( W,W,W,W, w,w,w,w, w,w,w,w, w,w,w,w );
gPalette = CRGBPalette16( W,W,W,W, w,w,w,w, w,w,w,w, w,w,w,w );
break;
break;
case 5:
case 5:
gPalette = LavaColors_p;
gPalette = LavaColors_p;
break;
break;
case 6:
case 6:
gPalette = ForestColors_p;
gPalette = ForestColors_p;
break;
break;
case 7:
case 7:
gPalette = PartyColors_p;
gPalette = PartyColors_p;
break;
break;
case 8:
case 8:
uint8_t h = beatsin8(1);
uint8_t h = beatsin8(1);
gPalette = CHSVPalette16( CHSV(h,255,255), CHSV(h+32, 255,255));
gPalette = CHSVPalette16( CHSV(h,255,255), CHSV(h+32, 255,255));
break;
break;
}
}
}
}


enum { GETTING_DARKER = 0, GETTING_BRIGHTER = 1 };
enum { GETTING_DARKER = 0, GETTING_BRIGHTER = 1 };


void colortwinkles()
void colortwinkles()
{
{
// Make each pixel brighter or darker, depending on
// Make each pixel brighter or darker, depending on
// its 'direction' flag.
// its 'direction' flag.
brightenOrDarkenEachPixel( FADE_IN_SPEED, FADE_OUT_SPEED);
brightenOrDarkenEachPixel( FADE_IN_SPEED, FADE_OUT_SPEED);
// Now consider adding a new random twinkle
// Now consider adding a new random twinkle
if( random8() < DENSITY ) {
if( random8() < DENSITY ) {
int pos = random16(NUM_LEDS);
int pos = random16(NUM_LEDS);
if( leds[pos] ) pos = random16(NUM_LEDS);
if( leds[pos] ) pos = random16(NUM_LEDS);
if( !leds[pos]) {
if( !leds[pos]) {
leds[pos] = ColorFromPalette( gPalette, random8(), STARTING_BRIGHTNESS, NOBLEND);
leds[pos] = ColorFromPalette( gPalette, random8(), STARTING_BRIGHTNESS, NOBLEND);
setPixelDirection(pos, GETTING_BRIGHTER);
setPixelDirection(pos, GETTING_BRIGHTER);
}
}
}
}
}
}


void brightenOrDarkenEachPixel( fract8 fadeUpAmount, fract8 fadeDownAmount)
void brightenOrDarkenEachPixel( fract8 fadeUpAmount, fract8 fadeDownAmount)
{
{
for( uint16_t i = 0; i < NUM_LEDS; i++) {
for( uint16_t i = 0; i < NUM_LEDS; i++) {
if( getPixelDirection(i) == GETTING_DARKER) {
if( getPixelDirection(i) == GETTING_DARKER) {
// This pixel is getting darker
// This pixel is getting darker
leds[i] = makeDarker( leds[i], fadeDownAmount);
leds[i] = makeDarker( leds[i], fadeDownAmount);
} else {
} else {
// This pixel is getting brighter
// This pixel is getting brighter
leds[i] = makeBrighter( leds[i], fadeUpAmount);
leds[i] = makeBrighter( leds[i], fadeUpAmount);
// now check to see if we've maxxed out the brightness
// now check to see if we've maxxed out the brightness
if( leds[i].r == 255 || leds[i].g == 255 || leds[i].b == 255) {
if( leds[i].r == 255 || leds[i].g == 255 || leds[i].b == 255) {
// if so, turn around and start getting darker
// if so, turn around and start getting darker
setPixelDirection(i, GETTING_DARKER);
setPixelDirection(i, GETTING_DARKER);
}
}
}
}
}
}
}
}


CRGB makeBrighter( const CRGB& color, fract8 howMuchBrighter)
CRGB makeBrighter( const CRGB& color, fract8 howMuchBrighter)
{
{
CRGB incrementalColor = color;
CRGB incrementalColor = color;
incrementalColor.nscale8( howMuchBrighter);
incrementalColor.nscale8( howMuchBrighter);
return color + incrementalColor;
return color + incrementalColor;
}
}


CRGB makeDarker( const CRGB& color, fract8 howMuchDarker)
CRGB makeDarker( const CRGB& color, fract8 howMuchDarker)
{
{
CRGB newcolor = color;
CRGB newcolor = color;
newcolor.nscale8( 255 - howMuchDarker);
newcolor.nscale8( 255 - howMuchDarker);
return newcolor;
return newcolor;
}
}




// For illustration purposes, there are two separate implementations
// For illustration purposes, there are two separate implementations
// provided here for the array of 'directionFlags':
// provided here for the array of 'directionFlags':
// - a simple one, which uses one byte (8 bits) of RAM for each pixel, and
// - a simple one, which uses one byte (8 bits) of RAM for each pixel, and
// - a compact one, which uses just one BIT of RAM for each pixel.
// - a compact one, which uses just one BIT of RAM for each pixel.


// Set this to 1 or 8 to select which implementation
// Set this to 1 or 8 to select which implementation
// of directionFlags is used. 1=more compact, 8=simpler.
// of directionFlags is used. 1=more compact, 8=simpler.
#define BITS_PER_DIRECTION_FLAG 1
#define BITS_PER_DIRECTION_FLAG 1




#if BITS_PER_DIRECTION_FLAG == 8
#if BITS_PER_DIRECTION_FLAG == 8
// Simple implementation of the directionFlags array,
// Simple implementation of the directionFlags array,
// which takes up one byte (eight bits) per pixel.
// which takes up one byte (eight bits) per pixel.
uint8_t directionFlags[NUM_LEDS];
uint8_t directionFlags[NUM_LEDS];


bool getPixelDirection( uint16_t i) {
bool getPixelDirection( uint16_t i) {
return directionFlags[i];
return directionFlags[i];
}
}


void setPixelDirection( uint16_t i, bool dir) {
void setPixelDirection( uint16_t i, bool dir) {
directionFlags[i] = dir;
directionFlags[i] = dir;
}
}
#endif
#endif




#if BITS_PER_DIRECTION_FLAG == 1
#if BITS_PER_DIRECTION_FLAG == 1
// Compact (but more complicated) implementation of
// Compact (but more complicated) implementation of
// the directionFlags array, using just one BIT of RAM
// the directionFlags array, using just one BIT of RAM
// per pixel. This requires a bunch of bit wrangling,
// per pixel. This requires a bunch of bit wrangling,
// but conserves precious RAM. The cost is a few
// but conserves precious RAM. The cost is a few
// cycles and about 100 bytes of flash program memory.
// cycles and about 100 bytes of flash program memory.
uint8_t directionFlags[ (NUM_LEDS+7) / 8];
uint8_t directionFlags[ (NUM_LEDS+7) / 8];


bool getPixelDirection( uint16_t i) {
bool getPixelDirection( uint16_t i) {
uint16_t index = i / 8;
uint16_t index = i / 8;
uint8_t bitNum = i & 0x07;
uint8_t bitNum = i & 0x07;
// using Arduino 'bitRead' function; expanded code below
// using Arduino 'bitRead' function; expanded code below
return bitRead( directionFlags[index], bitNum);
return bitRead( directionFlags[index], bitNum);
// uint8_t andMask = 1 << bitNum;
// uint8_t andMask = 1 << bitNum;
// return (directionFlags[index] & andMask) != 0;
// return (directionFlags[index] & andMask) != 0;
}
}


void setPixelDirection( uint16_t i, bool dir) {
void setPixelDirection( uint16_t i, bool dir) {
uint16_t index = i / 8;
uint16_t index = i / 8;
uint8_t bitNum = i & 0x07;
uint8_t bitNum = i & 0x07;
// using Arduino 'bitWrite' function; expanded code below
// using Arduino 'bitWrite' function; expanded code below
bitWrite( directionFlags[index], bitNum, dir);
bitWrite( directionFlags[index], bitNum, dir);
// uint8_t orMask = 1 << bitNum;
// uint8_t orMask = 1 << bitNum;
// uint8_t andMask = 255 - orMask;
// uint8_t andMask = 255 - orMask;
// uint8_t value = directionFlags[index] & andMask;
// uint8_t value = directionFlags[index] & andMask;
// if( dir ) {
// if( dir ) {
// value += orMask;
// value += orMask;
// }
// }
// directionFlags[index] = value;
// directionFlags[index] = value;
}
}
#endif
#endif