134 lines
5.5 KiB
Markdown
134 lines
5.5 KiB
Markdown
# Arduino MIDI Library
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[](https://travis-ci.org/FortySevenEffects/arduino_midi_library)
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[](https://coveralls.io/github/FortySevenEffects/arduino_midi_library)
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[](https://github.com/FortySevenEffects/arduino_midi_library/releases/latest)
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[](LICENSE)
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This library adds MIDI I/O communications to an Arduino board.
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### Features
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- **New** : MIDI over USB, Bluetooth, IP & AppleMIDI (see [Transports](#other-transport-mechanisms)).
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- **New** : Active Sensing support
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- Compatible with all Arduino boards (and clones with an AVR processor).
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- Simple and fast way to send and receive every kind of MIDI message (including all System messages, SysEx, Clock, etc..).
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- OMNI input reading (read all channels).
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- Software Thru, with message filtering.
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- [Callbacks](https://github.com/FortySevenEffects/arduino_midi_library/wiki/Using-Callbacks) to handle input messages more easily.
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- Last received message is saved until a new one arrives.
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- Configurable: [overridable template-based settings](https://github.com/FortySevenEffects/arduino_midi_library/wiki/Using-custom-Settings).
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- Create more than one MIDI interface for mergers/splitters applications.
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- Use any serial port, hardware or software.
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### Getting Started
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1. Use the Arduino Library Manager to install the library.
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2. Start coding:
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```c++
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#include <MIDI.h>
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// Create and bind the MIDI interface to the default hardware Serial port
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MIDI_CREATE_DEFAULT_INSTANCE();
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void setup()
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{
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MIDI.begin(MIDI_CHANNEL_OMNI); // Listen to all incoming messages
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}
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void loop()
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{
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// Send note 42 with velocity 127 on channel 1
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MIDI.sendNoteOn(42, 127, 1);
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// Read incoming messages
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MIDI.read();
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}
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```
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3. Read the [documentation](#documentation) or watch the awesome video tutorials from [Notes & Volts](https://www.youtube.com/playlist?list=PL4_gPbvyebyH2xfPXePHtx8gK5zPBrVkg).
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## Documentation
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- [Doxygen Extended Documentation](https://fortyseveneffects.github.io/arduino_midi_library/).
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- [GitHub wiki](https://github.com/FortySevenEffects/arduino_midi_library/wiki).
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## USB Migration (4.x to 5.x)
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All USB related code has been moved into a separate repository [Arduino-USB-MIDI](https://github.com/lathoub/Arduino-USBMIDI), USB MIDI Device support with [`MIDIUSB`](https://github.com/arduino-libraries/MIDIUSB), still using this library to do all the MIDI heavy-lifting.
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Migration has been made as easy as possible: only the declaration of the MIDI object has been modified, the rest of your code remains identical.
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`4.3.1` code:
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```c++
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#include <MIDI.h>
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#include <midi_UsbTransport.h>
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static const unsigned sUsbTransportBufferSize = 16;
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typedef midi::UsbTransport<sUsbTransportBufferSize> UsbTransport;
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UsbTransport sUsbTransport;
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MIDI_CREATE_INSTANCE(UsbTransport, sUsbTransport, MIDI);
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// ...
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```
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now becomes in `5.x`:
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```c++
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#include <USB-MIDI.h>
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USBMIDI_CREATE_DEFAULT_INSTANCE();
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// ...
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```
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Start with the [NoteOnOffEverySec](https://github.com/lathoub/Arduino-USBMIDI/blob/master/examples/NoteOnOffEverySec/NoteOnOffEverySec.ino) example that is based on the original MidiUSB [sketch](https://github.com/lathoub/arduino_midi_library/blob/master/examples/MidiUSB/MidiUSB.ino). Note the only difference is in the declaration.
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The [USB-MIDI](https://github.com/lathoub/Arduino-USBMIDI) Arduino library depends on [this library](https://github.com/FortySevenEffects/arduino_midi_library) and the [MIDIUSB](https://github.com/arduino-libraries/MIDIUSB) library.
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[USB-MIDI](https://github.com/lathoub/Arduino-USBMIDI) uses the latest Arduino IDE `depends` feature in the `library.properties` file installing all the dependencies automatically when installing from the IDE.
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## Other Transport mechanisms
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Version 5 of this library, allows for other Transport layers than the
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original MIDI 1.0 Electrical Specification (hardware serial).
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- [USB-MIDI](https://github.com/lathoub/Arduino-USBMIDI)
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- [AppleMIDI or rtpMIDI](https://github.com/lathoub/Arduino-AppleMIDI-Library)
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- [ipMIDI](https://github.com/lathoub/Arduino-ipMIDI)
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- [BLE-MIDI](https://github.com/lathoub/Arduino-BLE-MIDI)
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All these Transport layers use this library for all the underlying MIDI
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work, making it easy to switch transport protocols or making transport
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protocol bridges.
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## Contact
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To report a bug, contribute, discuss on usage, or simply request support, please [create an issue here](https://github.com/FortySevenEffects/arduino_midi_library/issues/new).
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You can also contact me on Twitter: [@fortysevenfx](https://twitter.com/fortysevenfx).
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## Contributors
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Special thanks to all who have contributed to this open-source project !
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- [@lathoub](https://github.com/lathoub)
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- [@jarosz](https://github.com/jarosz)
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- [@ivankravets](https://github.com/ivankravets)
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- [@insolace](https://github.com/insolace)
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- [@softegg](https://github.com/softegg)
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- [@per1234](https://github.com/per1234)
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- [@LnnrtS](https://github.com/LnnrtS)
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- [@DavidMenting](https://github.com/DavidMenting)
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You want to help ? Check out the [contribution guidelines](./CONTRIBUTING.md).
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## License
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MIT © 2009 - present [Francois Best](https://francoisbest.com)
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