Breadboard Air guitar

1#include "pitches.h"  //add note library
2
3
4
5#define trigPin2  23 // pin for sending sensor #1 trigger signal 
6#define echoPin2 22 // pin for  receiving sensor #1 echo signal
7#define trigPin1 25  // pin for sending sensor  #2 trigger signal 
8#define echoPin1 24  // pin for receiving sensor #2 echo signal
9
10
11//digital  pin 12 has a button attached to it. Give it an name
12int buttonPin1= 12;
13int  buttonPin2= 11;
14int buttonPin3= 10;
15
16
17
18int buzzerPin = 8;
19
20
21
22//  defines variables
23long duration1; // variable for the duration of sound wave  travel
24long duration2;
25int distance1; // variable for centimeters measurement
26int  distance2; // variable for inches measurement
27
28long d1;                  //  sensor 1 distance
29long d2;                  // sensor 2 distance
30long t1 =  0;              // sensor 1 timestamp; initialize as 0
31long t2 = 0;              //  sensor 2 timestamp; initialize as 0
32unsigned long start_time; // time since program  start
33float max_distance = 15;  // movement sensing range (in cm)
34float min_distance  =3;
35
36
37
38void setup() {
39  //make the button's pin input
40  pinMode(buttonPin1,  INPUT);
41  pinMode(buttonPin2, INPUT);
42  pinMode(buttonPin3, INPUT);
43  
44
45
46  pinMode(trigPin1, OUTPUT); // Sets the trigPin as an OUTPUT
47  pinMode(echoPin1,  INPUT); // Sets the echoPin as an INPUT
48  pinMode(trigPin2, OUTPUT); // Sets  the trigPin as an OUTPUT
49  pinMode(echoPin2, INPUT); // Sets the echoPin as an  INPUT
50  //Serial.begin(9600); // // Serial Communication is starting with 9600  of baudrate speed
51
52  start_time = millis();  // get program start time
53}
54void  loop() {
55  
56//read the input pin
57  int buttonState1 = digitalRead(buttonPin1);
58  int buttonState2 = digitalRead(buttonPin2);
59  int buttonState3 = digitalRead(buttonPin3);
60
61  if (buttonState1 == 0 && buttonState2 == 0 && buttonState3 == 0) { // if left  sensor triggered first
62    noTone(buzzerPin);     // Stop sound...
63  }
64
65  // Clears the trigPin condition
66  digitalWrite(trigPin1, LOW);
67  delayMicroseconds(2);
68  // Sets the trigPin HIGH (ACTIVE) for 10 microseconds
69  digitalWrite(trigPin1,  HIGH);
70  delayMicroseconds(10);
71  digitalWrite(trigPin1, LOW);
72  // Reads  the echoPin, returns the sound wave travel time in microseconds
73  duration1 =  pulseIn(echoPin1, HIGH);
74
75  // Clears the trigPin condition
76  digitalWrite(trigPin2,  LOW);
77  delayMicroseconds(2);
78  // Sets the trigPin HIGH (ACTIVE) for 10 microseconds
79  digitalWrite(trigPin2, HIGH);
80  delayMicroseconds(10);
81  digitalWrite(trigPin2,  LOW);
82  // Reads the echoPin, returns the sound wave travel time in microseconds
83  duration2 = pulseIn(echoPin2, HIGH);
84
85  // Calculating the distance
86  distance1 = duration1 * 0.034 / 2; // Speed of sound wave divided by 2 (go and  back)
87  distance2 = duration2 * 0.034 / 2; // Speed of sound wave divided by  2 (go and back)
88  
89  
90  
91  d1 = distance1;
92  d2 = distance2;
93
94  // if either sensor distance drops below limit, record timestamp
95  if (d1 <  max_distance && d1 > 3) {
96    t1 = millis();
97  }
98  else if (d2 < max_distance  && d2 > 3) {
99    t2 = millis();
100  }
101
102  if (t1 > 0 && t2 > 0) {       //  if both sensors have nonzero timestamps
103    if ((t1 < t2)) { 
104      noTone(buzzerPin);   
105      //Serial.println("Left to right");    // direction is left to right  
106      if (buttonState1 == 1 && buttonState2 == 0 && buttonState3 == 0) {
107        tone(buzzerPin, NOTE_C4);
108      }
109      else if (buttonState1 == 0  && buttonState2 == 1 && buttonState3 == 0){
110        tone(buzzerPin, NOTE_D4);
111      }
112      else if (buttonState1 == 0 && buttonState2 == 0 && buttonState3  == 1){
113        tone(buzzerPin, NOTE_E4);
114      }   
115      else if (buttonState1  == 1 && buttonState2 == 1 && buttonState3 == 0){
116        tone(buzzerPin, NOTE_F4);
117      } 
118      else if (buttonState1 == 1 && buttonState2 == 0 && buttonState3  == 1){
119        tone(buzzerPin, NOTE_G4);
120      } 
121      else if (buttonState1  == 0 && buttonState2 == 1 && buttonState3 == 1){
122        tone(buzzerPin, NOTE_A4);
123      } 
124      else if (buttonState1 == 1 && buttonState2 == 1 && buttonState3  == 1){
125        tone(buzzerPin, NOTE_B4);
126      } 
127     
128    }
129
130
131    else if (t2 < t1) {  
132      noTone(buzzerPin);               // if right  sensor triggered first'
133      //Serial.println("Right to left");    // direction  is right to left
134      if (buttonState1 == 1 && buttonState2 == 0 && buttonState3  == 0) {
135        tone(buzzerPin, NOTE_C4);
136      }
137      else if (buttonState1  == 0 && buttonState2 == 1 && buttonState3 == 0){
138        tone(buzzerPin, NOTE_D4);
139      }
140      else if (buttonState1 == 0 && buttonState2 == 0 && buttonState3  == 1){
141        tone(buzzerPin, NOTE_E4);
142      }   
143      else if (buttonState1  == 1 && buttonState2 == 1 && buttonState3 == 0){
144        tone(buzzerPin, NOTE_F4);
145      } 
146      else if (buttonState1 == 1 && buttonState2 == 0 && buttonState3  == 1){
147        tone(buzzerPin, NOTE_G4);
148      } 
149      else if (buttonState1  == 0 && buttonState2 == 1 && buttonState3 == 1){
150        tone(buzzerPin, NOTE_A4);
151      } 
152      else if (buttonState1 == 1 && buttonState2 == 1 && buttonState3  == 1){
153        tone(buzzerPin, NOTE_B4);
154      } 
155    }
156    // else  {
157    //   Serial.println("No movement");         // else print nothing (shouldn't  happen)
158    // }
159
160    // after printing direction, reset both timestamps  to 0
161    t1 = 0;
162    t2 = 0;
163  }
164
165}