Piano Practice Assistant

#include "application.h"
// Define a pin that we'll place the FSR on
// Remember to add a 10K Ohm pull-down resistor too.
int flexPin1 = A0;

// Create a variable to hold the FSR1 reading
int flexReading1 = 0;


int flexPin2 = A1;

// Create a variable to hold the FSR2 reading
int flexReading2 = 0;

int photoPin = A2;

int photoCellReading = 0;
// Create a variable to hold the pcr reading

int toneC = 0;

int toneD = 0;

// Define a pin we'll place an LED on
int ledPin = D2;

// Create a variable to store the LED brightness.
int ledBrightness = 0;

int Duration = 0;

int speakerPin = D3;

int notes[] = 
{0,
/* C,  C#,   D,  D#,   E,   F,  F#,   G,  G#,   A,  A#,   B */
3817,3597,3401,3205,3030,2857,2703,2551,2404,2273,2146,2024,   // 3 (1-12)
1908,1805,1701,1608,1515,1433,1351,1276,1205,1136,1073,1012,   // 4 (13-24)
 956, 903, 852, 804, 759, 716, 676, 638, 602, 568, 536, 506,   // 5 (25-37)
 478, 451, 426, 402, 379, 358, 338, 319, 301, 284, 268, 253,   // 6 (38-50)
 239, 226, 213, 201, 190, 179, 169, 159, 151, 142, 134, 127 }; // 7 (51-62)
 
#define NOTE_C2  1908
#define NOTE_C3  956
#define NOTE_D2  1701
#define NOTE_D3  852

void setup()
{
  // Set up the LED for output
  pinMode(ledPin, OUTPUT);
  // Create a cloud variable of type integer
  // called 'light' mapped to photoCellReading
  pinMode(speakerPin, OUTPUT);
  
  Particle.variable("force1", flexReading1);
  
  Particle.variable("force2", flexReading2);
  
  Particle.variable("light", photoCellReading);
  
}
 


void loop()
{
  // Use analogRead to read from the sensor
  // This gives us a value from 0 to 4095
  flexReading1 = analogRead(flexPin1);

  flexReading2 = analogRead(flexPin2);
  
  photoCellReading = analogRead(photoPin);
  
  force1makesSound();
  
  force2makesSound();
  

  // Map this value into the PWM range (0-255)
  // and store as the led brightness

   ledBrightness = map(flexReading1, 0, 4095, 0, 255);
;


  // fade the LED to the desired brightness
   analogWrite(ledPin, ledBrightness);
  


}

void photochangeTone()
{

if(photoCellReading < 530) {
     toneC = NOTE_C2;
     toneD = NOTE_D2;
  }
 
  else{
     toneC = NOTE_C3;
     toneD = NOTE_D3;
  }
  delay(0);
}

void force1makesSound()
{
   if (flexReading1 < 500 ){
    photochangeTone();
    tone(speakerPin, toneC, 100);
   }
  delay(10);
}

void force2makesSound()
{
   if (flexReading2 < 500 ){
    photochangeTone();
    tone(speakerPin, toneD, 100);
   }
  delay(10);
}