X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f4814771d2544cc53098fc8c13657eb41e9e9401..cfe054474ffafddcbba0f6d3f46d3f02473fac96:/LUFA/Drivers/USB/Class/Device/MIDI.c diff --git a/LUFA/Drivers/USB/Class/Device/MIDI.c b/LUFA/Drivers/USB/Class/Device/MIDI.c index 76583b173..79d9e742e 100644 --- a/LUFA/Drivers/USB/Class/Device/MIDI.c +++ b/LUFA/Drivers/USB/Class/Device/MIDI.c @@ -70,18 +70,24 @@ void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo) } -void MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event) +uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event) { if (USB_DeviceState != DEVICE_STATE_Configured) - return; + return ENDPOINT_RWSTREAM_NoError; Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpointNumber); if (Endpoint_IsReadWriteAllowed()); { - Endpoint_Write_Stream_LE(Event, sizeof(Event), NO_STREAM_CALLBACK); + uint8_t ErrorCode; + + if ((ErrorCode = Endpoint_Write_Stream_LE(Event, sizeof(Event), NO_STREAM_CALLBACK)) != ENDPOINT_RWSTREAM_NoError) + return ErrorCode; + Endpoint_ClearIN(); } + + return ENDPOINT_RWSTREAM_NoError; } bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event)