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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).

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This commit is contained in:
Dean Camera 2009-11-26 11:16:20 +00:00
parent f6de4db000
commit 2a28862dcc
3 changed files with 7 additions and 4 deletions
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5
Demos/Device/LowLevel/MIDI/MIDI.c
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@ -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);
}