...OMNI input reading (read all channels). Software Thru, with message filtering.
Callbacks to handle input messages more easily. Last received message is saved until a new one arrives. Overridable template-based settings. Create more than one MIDI interface for mergers/splitters applications. Use any serial port, hardware or software. All USB-related code has been moved into a separate repository Arduino-USB-MIDI, USB MIDI Device support with MIDI USB, still using this library to do all the MIDI heavy-lifting.