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LedZvuk.ino
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LedZvuk.ino
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#include "FastLED.h"
#define NUM_LEDS 300 // Velicina koriscene trake
#define updateLEDS 1 // Koliko dioda se updejtuje po sekundi
#define COLOR_SHIFT 1000 // Vreme izmedju promene boje (u ms)
CRGB leds[NUM_LEDS]; // niz led dioda koji obradjujemo
#define minColorShift 50
#define minColorDif 20
#define maxColorShift 200
#define maxColorDif 50
#define ShiftColorLoop 1000
#define BrightnessScale 0.3
#define RefreshRate 0 // Koliko cesto se cita zvuk (u ms)
// Input/Output
#define DATA_PIN 6 // Izlaz koji kontrolise diode
#define BRIGHT_PIN 0 // audio senzor(mikrofon)
// Unutrasnje promenljive
unsigned long setTime = COLOR_SHIFT;
int shiftRed = 0;
int shiftGreen = 0;
int shiftBlue = 0;
long shiftColorTime = 0;
long randomNum;
// Struktura rgb
struct color {
int r;
int g;
int b;
};
typedef struct color Color;
void setup() {
Serial.begin(9600);
FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
pinMode(A0, INPUT);
for (int i = 0; i < NUM_LEDS ; i++) { //Ugasi sve diode
leds[i] = CRGB(0, 0, 0);
}
randomSeed(analogRead(3));
FastLED.show();
}
void loop() {
unsigned long time1 = millis();
//Serial.println(time);
long time2 = time1 * random(10);
long time3 = time1 * random(10);
Serial.println(shiftColorTime);
if ( shiftColorTime > 3 * ShiftColorLoop) {
shiftColorTime = 0;
}
else if ( shiftColorTime >= 2 * ShiftColorLoop) { //dominatna plava
shiftRed = time1 % minColorShift + random(minColorDif);
shiftGreen = time2 % minColorShift + random(minColorDif);
shiftBlue = time3 % maxColorShift + random(maxColorDif);
shiftColorTime = shiftColorTime + 1;
}
else if ( shiftColorTime >= ShiftColorLoop ) { //dominatna zelena
shiftRed = time1 % minColorShift + random(minColorDif);
shiftGreen = time2 % maxColorShift + random(maxColorDif);
shiftBlue = time3 % minColorShift + random(minColorDif);
shiftColorTime = shiftColorTime + 1;
}
else if ( shiftColorTime < ShiftColorLoop ) { //dominatna crvena
shiftRed = time1 % maxColorShift + random(maxColorDif);
shiftGreen = time2 % minColorShift + random(minColorDif);
shiftBlue = time3 % minColorShift + random(minColorDif);
shiftColorTime = shiftColorTime + 1;
}
// Shift all LEDs to the right by updateLEDS number each time
for (int i = NUM_LEDS - 1; i >= updateLEDS; i--) {
leds[i] = leds[i - updateLEDS];
}
// Get the pitch and brightness to compute the new color
Color nc;
int s;
s = analogRead(BRIGHT_PIN);
double bright = convBrightness(s);
bright = bright * BrightnessScale;
nc.r = bright * shiftRed;
nc.g = bright * shiftGreen;
nc.b = bright * shiftBlue;
// Set the left most updateLEDs with the new color
for (int i = 0; i < updateLEDS; i++) {
leds[i] = CRGB(nc.r, nc.g, nc.b);
}
FastLED.show();
delay(RefreshRate);
}
double convBrightness(int b) {
double c = b / 1024.0000;
if ( c < 0.3 ) {
c = 0;
}
else if (c > 1) {
c = 1.00;
}
return c;
}