sensor-box

/*
   Lab 3 : Part 3
   Sensor Box
   
   Partner: Danielle Emrich

   Egg Shell Egg
   - Switch turns system on and off
   - Potentiometer controls frequency of bird chirping
   - Pressure Sensor controls neopixel strip: lights change color with increased/decreased pressure

   Feb. 23, 2020
*/

#include <Adafruit_NeoPixel.h>    // used for neopixels

// variables to map neopixel strip
uint16_t color;
uint8_t pixels;

// INPUTS
int potSens = A0;         // init potentiometer
int pressureSens = A1;    // init pressure sensor
int switchPin = 2;        // init on/off switch

// OUTPUTS
int buzzPin = 6;          // init buzzer output pin
int stripPin = 9;         // init neopiexel strip pin
Adafruit_NeoPixel strip = Adafruit_NeoPixel(46, stripPin, NEO_GRB + NEO_KHZ800); // init strip

void setup() {
  Serial.begin(9600);

  strip.begin();          // starting LED strip
  strip.show();           // init pixels to "off"

  // tweet once at the beginning
  //tweet(random(2, 6), random(3, 8), random(220, 440));
}

void loop() {
  potSens = analogRead(A0);
  switchPin = digitalRead(2);

  int potMap = map(potSens, 0, 1023, 200, 2000);

  if (switchPin == HIGH) {
    if (millis() % potMap < 20) {
      Serial.println("hewwo");
      tweet(random(2, 6), random(3, 8), random(220, 440)); // call tweet function to activate buzzer
    }
    light(1);          // call light function to turn lights on
  } else {
    // lights off
    for (int i = 0; i < strip.numPixels(); i++) {
        strip.setPixelColor(i, 0, 0, 0);        // OFF
      }
      strip.show();
  }

  Serial.print("strip: ");
  Serial.println(color);

  //  Serial.print("Pot:");
  //  Serial.print(potMap);
  //  Serial.println();
}

void tweet(int intensity, int chirpsNumber, int note) {
  for (int v = 0; v <= chirpsNumber; v++) {
    for (int i = 80; i > 0; i--) {
      for (int x = 0; x < intensity; x++) {
        tone(buzzPin, note, 10);
        delayMicroseconds(i);
        noTone(buzzPin);
        delayMicroseconds(i);
      }
    }
  }
}

void light(const int isOn) {
  color = analogRead(pressureSens);
  int minPressure = 0;
  int maxPressure = 900;
  pixels = map(color, minPressure, maxPressure, 0, 46);    //(analog input, pressure range low, high, number of lights low, high);
  Serial.print("maped value: ");
  Serial.println(pixels);

  if (isOn == 1) {
    //if pressure isn't triggered, start as yellow
    if (color == minPressure) {
      for (int i = 0; i < strip.numPixels(); i++) {
        strip.setPixelColor(i, 255, 40, 0);    // yellow
        strip.show();  // update strip
      }
    } else if (color > minPressure) {
      // if pressure is triggered, strip changes one by one with pressure on sensor
      for (int i = 0; i < pixels; i++) {
        strip.setPixelColor(i, 0, 0, 250);   // blue
        strip.show();  // update strip
        //delay(10);
        if (color == maxPressure - 100) {
          for (int i = 0; i < pixels; i++) {
            strip.setPixelColor(i, 255, 40, 0);    // yellow
            strip.show();  // update strip
            delay(10);
          }
          color == minPressure;
        }
      }
    }
  }
}