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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-11-26 11:16:20 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-11-26 11:16:20 +0000 |
| commit | 2a28862dcc6a8e5fcf7c8015f67b3eee4716fef6 (patch) | |
| tree | 765119640ff4b015072c4b7a778d1aef06a816f3 /Demos/Device/LowLevel/MIDI | |
| parent | f6de4db0009244baef4e961cd0cb6520e78edba0 (diff) | |
| download | lufa-2a28862dcc6a8e5fcf7c8015f67b3eee4716fef6.tar.gz lufa-2a28862dcc6a8e5fcf7c8015f67b3eee4716fef6.tar.bz2 lufa-2a28862dcc6a8e5fcf7c8015f67b3eee4716fef6.zip | |
Make MIDI device demos also turn off the on board LEDs if MIDI Note On messages are sent with a velocity of zero, which some devices use instead of Note Off messages (thanks to Robin Green).
Diffstat (limited to 'Demos/Device/LowLevel/MIDI')
| -rw-r--r-- | Demos/Device/LowLevel/MIDI/MIDI.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Demos/Device/LowLevel/MIDI/MIDI.c b/Demos/Device/LowLevel/MIDI/MIDI.c index 2cdf71152..cfd81486a 100644 --- a/Demos/Device/LowLevel/MIDI/MIDI.c +++ b/Demos/Device/LowLevel/MIDI/MIDI.c @@ -198,14 +198,15 @@ void MIDI_Task(void) /* Read the MIDI event packet from the endpoint */
Endpoint_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent));
- if (MIDIEvent.Command == (MIDI_COMMAND_NOTE_ON >> 4))
+ /* Check to see if the sent command is a note on message with a non-zero velocity */
+ if ((MIDIEvent.Command == (MIDI_COMMAND_NOTE_ON >> 4)) && (MIDIEvent.Data3 > 0))
{
/* Change LEDs depending on the pitch of the sent note */
LEDs_SetAllLEDs(MIDIEvent.Data2 > 64 ? LEDS_LED1 : LEDS_LED2);
}
else
{
- /* Turn off all LEDs in response to non-Note On messages */
+ /* Turn off all LEDs in response to non Note On messages */
LEDs_SetAllLEDs(LEDS_NO_LEDS);
}
|