Detailed Description
Constants, Types and Enum definitions that are common to both Device and Host modes for the USB MIDI Class.
Define Documentation
#define DSUBTYPE_InputJack 0x02 |
Audio class descriptor subtype value for a Audio class specific MIDI input jack descriptor.
#define DSUBTYPE_OutputJack 0x03 |
Audio class descriptor subtype value for a Audio class specific MIDI output jack descriptor.
#define MIDI_CHANNEL |
( |
channel |
|
) |
((channel) - 1) |
Convenience macro. MIDI channels are numbered from 1-10 (natural numbers) however the logical channel addresses are zero-indexed. This converts a natural MIDI channel number into the logical channel address.
- Parameters:
-
[in] | channel | MIDI channel number to address |
#define MIDI_COMMAND_NOTE_OFF 0x80 |
MIDI command for a note off (deactivation) event
#define MIDI_COMMAND_NOTE_ON 0x90 |
MIDI command for a note on (activation) event
#define MIDI_JACKTYPE_EMBEDDED 0x01 |
Audio class descriptor jack type value for an embedded (logical) MIDI input or output jack.
#define MIDI_JACKTYPE_EXTERNAL 0x02 |
Audio class descriptor jack type value for an external (physical) MIDI input or output jack.
#define MIDI_STANDARD_VELOCITY 64 |
Standard key press velocity value used for all note events