Cantor organ conversion to MIDI-controler for VPO (GrandOrgu

Cantor analog organ conversion to MIDI-controler for Virtual Pipe Organ (GrandOrgue, Hauptwerk)

Sep 27, 2021

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Components and supplies

Arduino UNO

Arduino Nano R3

Tools and machines

Wire Stripper & Cutter, 18-10 AWG / 0.75-4mm² Capacity Wires

Solder Wire, Lead Free

Soldering iron (generic)

Apps and platforms

Windows 10

Funtoo Linux for Beaglebone AI and Beagleboard X15

Arduino IDE

Project description

Code

Small-MIDI-decoder-bialystok-Cantor-alancza-rwdy-led.ino

c_cpp

Smalll MIDI decoder - turns on and off the Led connected to the arduino Uno pin after receiving MIDI noteOn and noteOff messages on channel 13.

1// Small Midi dekoder Midi - R. Milewski
2//Turns on Led 13 when GradOrgue  in PC is ready to play!
3//GO lights the "Noise Motor" manubrium and this sends  a MIDI noteOn message of (value) 71 on channel 13
4#include <MIDI.h>   // Add  Midi Library
5 
6//#define LED 13 
7//#define LED2 12// Arduino Board LED  is on Pin 13
8 
9//Create an instance of the library with default name, serial  port and settings
10MIDI_CREATE_DEFAULT_INSTANCE();
11 
12void setup() {
13
14pinMode  (A0, OUTPUT); // Set Arduino board analog pins to output
15digitalWrite (A0, LOW);
16pinMode  (A1, OUTPUT);
17digitalWrite (A1, LOW);
18pinMode (A2, OUTPUT);
19digitalWrite  (A2, LOW);
20pinMode (A3, OUTPUT);
21digitalWrite (A3, LOW);
22pinMode (A4, OUTPUT);
23digitalWrite  (A4, LOW);
24pinMode (A5, OUTPUT);
25
26 
27
28  for (int a=2; a<14; a++)
29{
30pinMode  (a, OUTPUT); // Set Arduino board digital pins to output
31digitalWrite (a, LOW);  // Set Arduino board digitsl pins to KIGH
32    
33}
34 
35

// Small Midi dekoder Midi - R. Milewski
//Turns on Led 13 when GradOrgue  in PC is ready to play!
//GO lights the "Noise Motor" manubrium and this sends  a MIDI noteOn message of (value) 71 on channel 13
#include <MIDI.h>   // Add  Midi Library
 
//#define LED 13 
//#define LED2 12// Arduino Board LED  is on Pin 13
 
//Create an instance of the library with default name, serial  port and settings
MIDI_CREATE_DEFAULT_INSTANCE();
 
void setup() {

pinMode  (A0, OUTPUT); // Set Arduino board analog pins to output
digitalWrite (A0, LOW);
pinMode  (A1, OUTPUT);
digitalWrite (A1, LOW);
pinMode (A2, OUTPUT);
digitalWrite  (A2, LOW);
pinMode (A3, OUTPUT);
digitalWrite (A3, LOW);
pinMode (A4, OUTPUT);
digitalWrite  (A4, LOW);
pinMode (A5, OUTPUT);

 

  for (int a=2; a<14; a++)
{
pinMode  (a, OUTPUT); // Set Arduino board digital pins to output
digitalWrite (a, LOW);  // Set Arduino board digitsl pins to KIGH
    
}

MIDI_registers-14x40-Cantor-Bialystok-NANO-SurfaceControll.ino

c_cpp

The program sends MIDI noteOn and noteOFF on channel 9 according to a 4x14 switch matrix

1/**
2 * for ATmega1284p or Arduino mega
3 * @brief   This example  demonstrates the use of push buttons that send note 
4 *          events.
5  * 
6 * ### Connections
7 * 
8 *  - 2:  momentary push button (to ground)
9  *  - 3:  momentary push button (to ground)
10 * 
11 * The internal pull-up resistors  for the buttons will be enabled automatically.
12 * 
13 * ### Behavior
14 * 
15  * Pressing the first button will send note on/off events on middle C.
16 * Pressing  the second button will send note on/off events for middle C sharp.
17 * 
18 *  Written by PieterP, 28-01-2019  
19 * https://github.com/tttapa/Control-Surface
20  */
21
22// Include the Control Surface library
23#include <Control_Surface.h>
24
25//  Instantiate a MIDI over USB interface.
26//USBDebugMIDI_Interface midi;
27//HardwareSerialMIDI_Interface  midi;
28//HardwareSerialMIDI_Interface midi = Serial;
29HardwareSerialMIDI_Interface  midiser = Serial;
30//HairlessMIDI_Interface midi;
31
32MIDI_PipeFactory<1> pipes;
33//  The note numbers corresponding to the buttons in the matrix
34const AddressMatrix<4,  14> addresses = {{
35  {  36,  37,  38,  39,  40,  41,  42,  43,  44, 45, 46,  47,  48,  49 }, 
36  {  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, 60, 61,  62,  63 }, 
37  {  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, 75, 76,  77  }, 
38  {  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88, 89, 90,  91 },
39   
40}};

/**
 * for ATmega1284p or Arduino mega
 * @brief   This example  demonstrates the use of push buttons that send note 
 *          events.
  * 
 * ### Connections
 * 
 *  - 2:  momentary push button (to ground)
  *  - 3:  momentary push button (to ground)
 * 
 * The internal pull-up resistors  for the buttons will be enabled automatically.
 * 
 * ### Behavior
 * 
  * Pressing the first button will send note on/off events on middle C.
 * Pressing  the second button will send note on/off events for middle C sharp.
 * 
 *  Written by PieterP, 28-01-2019  
 * https://github.com/tttapa/Control-Surface
  */

// Include the Control Surface library
#include <Control_Surface.h>

//  Instantiate a MIDI over USB interface.
//USBDebugMIDI_Interface midi;
//HardwareSerialMIDI_Interface  midi;
//HardwareSerialMIDI_Interface midi = Serial;
HardwareSerialMIDI_Interface  midiser = Serial;
//HairlessMIDI_Interface midi;

MIDI_PipeFactory<1> pipes;
//  The note numbers corresponding to the buttons in the matrix
const AddressMatrix<4,  14> addresses = {{
  {  36,  37,  38,  39,  40,  41,  42,  43,  44, 45, 46,  47,  48,  49 }, 
  {  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, 60, 61,  62,  63 }, 
  {  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, 75, 76,  77  }, 
  {  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88, 89, 90,  91 },
   
}};

Small-MIDI-decoder-bialystok-Cantor-alancza-rwdy-led.ino

c_cpp

Smalll MIDI decoder - turns on and off the Led connected to the arduino Uno pin after receiving MIDI noteOn and noteOff messages on channel 13.

1// Small Midi dekoder Midi - R. Milewski
2//Turns on Led 13 when GradOrgue   in PC is ready to play!
3//GO lights the "Noise Motor" manubrium and this sends   a MIDI noteOn message of (value) 71 on channel 13
4#include <MIDI.h>   // Add   Midi Library
5 
6//#define LED 13 
7//#define LED2 12// Arduino Board LED   is on Pin 13
8 
9//Create an instance of the library with default name, serial   port and settings
10MIDI_CREATE_DEFAULT_INSTANCE();
11 
12void setup() {
13
14pinMode   (A0, OUTPUT); // Set Arduino board analog pins to output
15digitalWrite (A0, LOW);
16pinMode   (A1, OUTPUT);
17digitalWrite (A1, LOW);
18pinMode (A2, OUTPUT);
19digitalWrite   (A2, LOW);
20pinMode (A3, OUTPUT);
21digitalWrite (A3, LOW);
22pinMode (A4, OUTPUT);
23digitalWrite   (A4, LOW);
24pinMode (A5, OUTPUT);
25
26 
27
28  for (int a=2; a<14; a++)
29{
30pinMode   (a, OUTPUT); // Set Arduino board digital pins to output
31digitalWrite (a, LOW);   // Set Arduino board digitsl pins to KIGH
32    
33}
34 
35

// Small Midi dekoder Midi - R. Milewski
//Turns on Led 13 when GradOrgue   in PC is ready to play!
//GO lights the "Noise Motor" manubrium and this sends   a MIDI noteOn message of (value) 71 on channel 13
#include <MIDI.h>   // Add   Midi Library
 
//#define LED 13 
//#define LED2 12// Arduino Board LED   is on Pin 13
 
//Create an instance of the library with default name, serial   port and settings
MIDI_CREATE_DEFAULT_INSTANCE();
 
void setup() {

pinMode   (A0, OUTPUT); // Set Arduino board analog pins to output
digitalWrite (A0, LOW);
pinMode   (A1, OUTPUT);
digitalWrite (A1, LOW);
pinMode (A2, OUTPUT);
digitalWrite   (A2, LOW);
pinMode (A3, OUTPUT);
digitalWrite (A3, LOW);
pinMode (A4, OUTPUT);
digitalWrite   (A4, LOW);
pinMode (A5, OUTPUT);

 

  for (int a=2; a<14; a++)
{
pinMode   (a, OUTPUT); // Set Arduino board digital pins to output
digitalWrite (a, LOW);   // Set Arduino board digitsl pins to KIGH
    
}

Downloadable files

Schemat diode matrix 4x14 for Arduino NANO - Midi OUT

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