Deliverables¶

#include <AD9833.h>
#include <Adafruit_NeoPixel.h>

#define PIN 15
#define NUMPIXELS 3  // The number of LEDs (pixels)

Adafruit_NeoPixel NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
//----------------------------

// constants won't change. They're used here to set pin numbers:
const int buttonPin = 12;  // the number of the pushbutton pin
const int buttonPin2 = 27;

const int ledPin = 13;  // the number of the LED pin

const int SwitchPin = A2;  // this is the pin of the pott

AD9833 AD(A5);

// variables will change:
int buttonState = 0;  // variable for reading the pushbutton status
int buttonState2 = 0;

int switchValue = 0;  // variable for reading the pott status

int frequencycutoff = 450;

float frequency = 5.28;
//

void setup() {
  Serial.begin(9600);
  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(buttonPin, INPUT);
  pinMode(buttonPin2, INPUT);
  //initialize the pott pin as an input:
  pinMode(SwitchPin, INPUT);

  NeoPixel.begin();            // INITIALIZE NeoPixel strip object
  NeoPixel.setBrightness(50);  // a value from 0 to 255

  SPI.begin();
  AD.begin();
}

void loop() {
  // read the state of the pushbutton value:
  buttonState = digitalRead(buttonPin);
  buttonState2 = digitalRead(buttonPin2);

  switchValue = analogRead(SwitchPin);

  //  Serial.print(buttonState);
  //Serial.println(buttonState2);
  Serial.println(switchValue);


  if (switchValue < 95) {
    frequency = 0;
    NeoPixel.clear();
    NeoPixel.show();

  } else if (switchValue < frequencycutoff) {
    frequency = 174;  // white/purple
    NeoPixel.clear();
    for (int pixel1 = 0; pixel1 < NUMPIXELS; pixel1++) {              // for each pixel
      NeoPixel.setPixelColor(pixel1, NeoPixel.Color(252, 142, 172));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();

  } else if (switchValue < 2 * frequencycutoff) {
    frequency = 285;  // pink
    NeoPixel.clear();
    for (int pixel1 = 0; pixel1 < NUMPIXELS; pixel1++) {             // for each pixel
      NeoPixel.setPixelColor(pixel1, NeoPixel.Color(242, 0, 60));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();

  } else if (switchValue < 3 * frequencycutoff) {
    frequency = 396;  // red
    NeoPixel.clear();
    for (int pixel1 = 0; pixel1 < NUMPIXELS; pixel1++) {          // for each pixel
      NeoPixel.setPixelColor(pixel1, NeoPixel.Color(255, 0, 0));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();

  } else if (switchValue < 4 * frequencycutoff) {
    frequency = 471;  // orange255, 40, 0
    NeoPixel.clear();
    for (int pixel1 = 0; pixel1 < NUMPIXELS; pixel1++) {          // for each pixel
      NeoPixel.setPixelColor(pixel1, NeoPixel.Color(253, 88, 0));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();

  } else if (switchValue < 5 * frequencycutoff) {
    frequency = 528;  // yellow
    NeoPixel.clear();
    for (int pixel2 = 0; pixel2 < NUMPIXELS; pixel2++) {            // for each pixel
      NeoPixel.setPixelColor(pixel2, NeoPixel.Color(254, 244, 34));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();
  } else if (switchValue < 6 * frequencycutoff) {
    frequency = 639;  // green
    NeoPixel.clear();
    for (int pixel2 = 0; pixel2 < NUMPIXELS; pixel2++) {            // for each pixel
      NeoPixel.setPixelColor(pixel2, NeoPixel.Color(124, 252, 0));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();

  } else if (switchValue < 7 * frequencycutoff) {
    frequency = 741;  // light blue -turquoise
    NeoPixel.clear();
    for (int pixel3 = 0; pixel3 < NUMPIXELS; pixel3++) {             // for each pixel
      NeoPixel.setPixelColor(pixel3, NeoPixel.Color(64, 216, 230));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();

  } else if (switchValue < 8 * frequencycutoff) {
    frequency = 852;  // dark blue -indigo
    NeoPixel.clear();
    for (int pixel3 = 0; pixel3 < NUMPIXELS; pixel3++) {          // for each pixel
      NeoPixel.setPixelColor(pixel3, NeoPixel.Color(0, 0, 205));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();
  } else {
    frequency = 963;  // purple/pink
    NeoPixel.clear();
    for (int pixel3 = 0; pixel3 < NUMPIXELS; pixel3++) {             // for each pixel
      NeoPixel.setPixelColor(pixel3, NeoPixel.Color(252, 15, 192));  // it only takes effect if pixels.show() is called
    }
    NeoPixel.show();
  }

  Serial.println(frequency);
  AD.setFrequency(frequency);
  AD.setWave(AD9833_SQUARE1);
  delay(100);


  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (buttonState == HIGH && buttonState2 == HIGH) {
    // turn LED on:
    digitalWrite(ledPin, HIGH);
  } else {
    // turn LED off:
    digitalWrite(ledPin, LOW);
  }
}