Pianographe

1int val = 0; //Our initial pot values. We need one for the first value  and a second to test if there has been a change made. This needs to be done for  all 3 pots.
2int lastVal = 0;
3int val2 = 0;
4int lastVal2 = 0;
5int val3  = 0;
6int lastVal3 = 0;
7int val4 = 0;
8int lastVal4 = 0;
9int val5 = 0;
10int  lastVal5 = 0;
11int val6 = 0;
12int lastVal6 = 0;
13int val7 = 0;
14int lastVal7  = 0;
15int val8 = 0;
16int lastVal8 = 0;
17int val9 = 0;
18int lastVal9 = 0;
19int  val10 = 0;
20int lastVal10 = 0;
21int val11 = 0;
22int lastVal11 = 0;
23int  val12 = 0;
24int lastVal12 = 0;
25
26void setup()
27{
28   Serial.begin(9600);       // Set the speed of the midi port to the same as we will be using in the  Hairless Midi software 
29}
30
31void loop()
32{
33   val = analogRead(0)/8;   // Divide by 8 to get range of 0-127 for midi
34   if (val != lastVal) // If  the value does not = the last value the following command is made. This is because  the pot has been turned. Otherwise the pot remains the same and no midi message  is output.
35   {
36   MIDImessage(176,1,val);}         // 176 = CC command (channel  1 control change), 1 = Which Control, val = value read from Potentionmeter 1 NOTE  THIS SAYS VAL not VA1 (lowercase of course)
37   lastVal = val;
38
39   val2  = analogRead(1)/8;   // Divide by 8 to get range of 0-127 for midi
40   if (val2  != lastVal2) 
41   {
42   MIDImessage(176,2,val2);}         // 176 = CC command,  2 = Which Control, val = value read from Potentionmeter 2
43   lastVal2 = val2;
44   
45   val3 = analogRead(2)/8;   // Divide by 8 to get range of 0-127 for midi
46   if (val3 != lastVal3) 
47   {
48   MIDImessage(176,3,val3);}         // 176  = CC command, 3 = Which Control, val = value read from Potentionmeter 3
49   lastVal3  = val3;
50
51   val4 = analogRead(3)/8;   // Divide by 8 to get range of 0-127  for midi
52   if (val4 != lastVal4) 
53   {
54   MIDImessage(176,4,val4);}         //  176 = CC command, 3 = Which Control, val = value read from Potentionmeter 3
55   lastVal4 = val4;
56
57   val5 = analogRead(4)/8;   // Divide by 8 to get range  of 0-127 for midi
58   if (val5 != lastVal5) 
59   {
60   MIDImessage(176,5,val5);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
61   lastVal5 = val5;
62   
63   val6 = analogRead(5)/8;   // Divide by 8 to  get range of 0-127 for midi
64   if (val6 != lastVal6) 
65   {
66   MIDImessage(176,6,val6);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
67   lastVal6 = val6;
68   
69   val7 = analogRead(6)/8;   // Divide by 8 to  get range of 0-127 for midi
70   if (val7 != lastVal7) 
71   {
72   MIDImessage(176,7,val7);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
73   lastVal7 = val7;
74
75   val8 = analogRead(7)/8;   // Divide by 8 to get  range of 0-127 for midi
76   if (val8 != lastVal8) 
77   {
78   MIDImessage(176,8,val8);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
79   lastVal8 = val8;
80
81   val9 = analogRead(8)/8;   // Divide by 8 to get  range of 0-127 for midi
82   if (val9 != lastVal9) 
83   {
84   MIDImessage(176,9,val9);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
85   lastVal9 = val9;
86
87   val10 = analogRead(9)/8;   // Divide by 8 to  get range of 0-127 for midi
88   if (val10 != lastVal10) 
89   {
90   MIDImessage(176,10,val10);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
91   lastVal10 = val10;
92
93   val11 = analogRead(10)/8;   // Divide by 8  to get range of 0-127 for midi
94   if (val11 != lastVal11) 
95   {
96   MIDImessage(176,11,val11);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
97   lastVal11 = val11;
98
99   val12 = analogRead(11)/8;   // Divide by 8  to get range of 0-127 for midi
100   if (val12 != lastVal12) 
101   {
102   MIDImessage(176,12,val12);}         // 176 = CC command, 3 = Which Control, val = value read from Potentionmeter  3
103   lastVal12 = val12;   
104delay(15); //here we add a short delay to help  prevent slight fluctuations, knocks on the pots etc. Adding this helped to prevent  my pots from jumpin up or down a value when slightly touched or knocked.
105}
106
107void  MIDImessage(byte command, byte data1, byte data2) //pass values out through standard  Midi Command
108{
109   Serial.write(command);
110   Serial.write(data1);
111   Serial.write(data2);
112}
113