Arduino

gistfile1.c

#include <Adafruit_NeoPixel.h>
#define PIN 1
const int buttonPin = 2;
const int pot1Pin = 3; 
const int pot2Pin = 4;
int buttonState = 0;
int pot1Val = 0; // color select
int pot2Val = 0; // pulse speed select
int r = 0;
int g = 0;
int b = 0;
bool wasOn = false;
Adafruit_NeoPixel strip = Adafruit_NeoPixel(32, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  strip.begin();
  strip.show();
  pinMode(buttonPin, INPUT); 
  pinMode(pot1Pin, INPUT); 
  pinMode(pot2Pin, INPUT);   
}

void loop() {
  buttonState = digitalRead(buttonPin);
  if (buttonState == HIGH && !wasOn) { // Turn it on
    colorWipeOn(strip.Color(r, g, b), 10);
    wasOn = true; // set the internal state to be on
  }
  else if (buttonState == LOW){ // Turn it off
    wasOn = false; // set the internal state to off
    colorWipeOff(strip.Color(0, 0, 0), 10);
  } 
  else { // it's on now, so do its thing
    pot1Val = analogRead(pot1Pin);
    pot2Val = analogRead(pot2Pin);
    pot2Val = map(pot1Val, 0, 1023, 0, 200); //scale pot value down to 1-100
    if (pot1Val < 341) {                  
      pot1Val = (pot1Val * 3) / 4; // scale back to 0-255
      r = 256 - pot1Val;  // Red from full to off
      g = pot1Val;        // Green from off to full
      b = 1;             // Blue off
    }
    else if (pot1Val < 682) // Middle third of potentiometer's range (341-681)
    {
      pot1Val = ( (pot1Val-341) * 3) / 4; // scale back to 0-255

      r = 1;            // Red off
      g = 256 - pot1Val; // Green from full to off
      b = pot1Val;       // Blue from off to full
    }
    else  // Upper third of potentiometer"s range (682-1023)
    {
      pot1Val = ( (pot1Val-683) * 3) / 4; // scale back to 0-255

      r = pot1Val;       // Red from off to full
      g = 1;            // Green off
      b = 256 - pot1Val; // Blue from full to off
    }
    colorAll(strip.Color(r, g, b), 10);
    delay (pot2Val);
    colorAll(strip.Color(50, 50, 50), 10);
    delay (pot2Val);
  }
}

void colorAll(uint32_t c, uint8_t wait) {
  uint16_t i;
  
  for(i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
  }
  strip.show();
  delay(wait);
}
void colorWipeOn(uint32_t c, uint8_t wait) {
  for(uint16_t i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, c);
      strip.show();
      delay(10);
  }
}
void colorWipeOff(uint32_t c, uint8_t wait) {
 for(uint16_t i=strip.numPixels(); i>0; i--) {
    strip.setPixelColor(i, c);
    strip.setPixelColor(0, 0, 0, 0);
    strip.show();
      delay(10);
  }
}