E-Flute

1#include <CapacitiveSensor.h>
2
3CapacitiveSensor cs_1 = CapacitiveSensor(22,  23); //  right number input left number output  
4CapacitiveSensor cs_2 = CapacitiveSensor(24,  25); // 
5CapacitiveSensor cs_3 = CapacitiveSensor(26, 27); // 
6CapacitiveSensor  cs_4 = CapacitiveSensor(28, 29); // 
7CapacitiveSensor cs_5 = CapacitiveSensor(30,  5);  // 
8CapacitiveSensor cs_6 = CapacitiveSensor(32, 4);  // 
9CapacitiveSensor  cs_7 = CapacitiveSensor(34, 3);  // 
10CapacitiveSensor cs_8 = CapacitiveSensor(36,  2);  // 
11
12long theshold = 50;
13long low_theshold = 25;
14long high_theshold  = 70;
15
16int button_pressed = 2;
17int button_half_pressed = 1;
18int button_unpressed  = 0;
19
20int numSamples = 5;
21int timeoutMillis = 500;
22
23
24
25void  setup()
26{
27  Serial.begin(9600);
28  pinMode(9,  OUTPUT); //buzzer
29}
30void  loop()                    
31{ 
32  cs_1.set_CS_Timeout_Millis(timeoutMillis);
33  cs_2.set_CS_Timeout_Millis(timeoutMillis);
34  cs_3.set_CS_Timeout_Millis(timeoutMillis);
35  cs_4.set_CS_Timeout_Millis(timeoutMillis);
36  cs_5.set_CS_Timeout_Millis(timeoutMillis);
37  cs_6.set_CS_Timeout_Millis(timeoutMillis);
38  cs_7.set_CS_Timeout_Millis(timeoutMillis);
39  cs_8.set_CS_Timeout_Millis(timeoutMillis);
40
41  long touch1 = cs_1.capacitiveSensor(numSamples);  
42  long touch2 = cs_2.capacitiveSensor(numSamples); 
43  long touch3 = cs_3.capacitiveSensor(numSamples);  
44  long touch4 = cs_4.capacitiveSensor(numSamples); 
45  long touch5 = cs_5.capacitiveSensor(numSamples);  
46  long touch6 = cs_6.capacitiveSensor(numSamples); 
47  long touch7 = cs_7.capacitiveSensor(numSamples);  
48  long touch8 = cs_8.capacitiveSensor(numSamples); 
49
50  boolean t1 = false;  if (touch1 > theshold) {t1 = true;}
51  boolean t2 = false; if (touch2 > theshold)  {t2 = true;}
52  boolean t3 = false; if (touch3 > theshold) {t3 = true;}
53  boolean  t4 = false; if (touch4 > theshold) {t4 = true;}
54  boolean t5 = false; if (touch5  > theshold) {t5 = true;}
55  boolean t6 = false; if (touch6 > theshold) {t6 = true;}
56  boolean t7 = false; if (touch7 > theshold) {t7 = true;}
57
58  int     t8 =  button_unpressed;     
59  if (touch8 > low_theshold && touch8 < high_theshold)  {
60    t8 = TASTO_META;
61  } else if (touch8 > high_theshold) {
62    t8 =  button_pressed;
63  }
64
65
66  String values = toString(touch1)+toString(touch2)+toString(touch3)+toString(touch4)+toString(touch5)+toString(touch6)+toString(touch7)+toString(touch8);
67  
68
69  String logMessage = (t1?"O":"X");
70  logMessage += "  ";logMessage  +=(t2?"O":"X");
71  logMessage += "  ";logMessage +=(t3?"O":"X");
72  logMessage += "  ";logMessage +=(t4?"O":"X");
73  logMessage += "  ";logMessage  +=(t5?"O":"X");
74  logMessage += "  ";logMessage +=(t6?"O":"X");
75  logMessage += "  ";logMessage +=(t7?"O":"X");
76  logMessage += "  ";logMessage  +=(t8?"O":"X");
77
78  Serial.println(values);
79
80// combination button  setup
81  
82  if (         t1 &&  t2 &&  t3 &&  t4 &&  t5 &&  t6 &&  t7 &&  t8==button_pressed)  {
83    tone(9, 262); // C low
84  } else if ( !t1 &&  t2 &&  t3 &&  t4 &&  t5  &&  t6 &&  t7 &&  t8==button_pressed) {
85    tone(9, 294); // D
86  } else if  ( !t1 && !t2 &&  t3 &&  t4 &&  t5 &&  t6 &&  t7 &&  t8==button_pressed){
87    tone  (9, 330); // E
88  } else if ( !t1 && !t2 && !t3 &&  t4 &&  t5 &&  t6 &&  t7 &&  t8==button_pressed){
89    tone (9, 349); // F
90  } else if ( !t1 && !t2 &&  !t3 && !t4 &&  t5 &&  t6 &&  t7 &&  t8==button_pressed){
91    tone (9, 392); //  G
92  } else if ( !t1 && !t2 && !t3 && !t4 && !t5 &&  t6 &&  t7 &&  t8==button_pressed){
93    tone (9, 440); // A
94  } else if ( !t1 && !t2 && !t3 && !t4 && !t5 && !t6  &&  t7 &&  t8==button_pressed){
95    tone (9, 494); // B
96  } else if ( !t1  && !t2 && !t3 && !t4 && !t5 &&  t6 && !t7 &&  t8==button_pressed){
97    tone (9,  523); // C high
98  } else if ( !t1 && !t2 && !t3 && !t4 && !t5 &&  t6 && !t7 &&  t8==button_unpressed){
99    tone (9, 587); // D high
100  } else if ( !t1 && !t2  && t3 && t4 && t5 &&  t6 && t7 && t8==button_half_pressed){
101    tone (9, 659);  // E high
102  } else if ( !t1 && !t2 && !t3 && t4 && t5 &&  t6 && t7 && t8==button_half_pressed){
103    tone (9, 698); // F high
104  } else if ( !t1 && !t2 && !t3 && !t4 && t5 &&  t6 && t7 && t8==button_half_pressed){
105    tone (9, 784); // G high
106  }  else  {
107    noTone (9);
108  }
109
110  
111}
112
113//serial monitor
114String toString(long  value) {
115  if (value >= 100000) {return " "+String(value);}
116  if (value  >= 10000)  {return "  "+String(value);}
117  if (value >= 1000)   {return "   "+String(value);}
118  if (value >= 100)    {return "    "+String(value);}
119  if (value >= 10)     {return  "     "+String(value);}
120  if (value >= 0)      {return "      "+String(value);}
121  
122  return "";
123}
124