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author | Dean Camera <dean@fourwalledcubicle.com> | 2010-11-03 03:20:08 +0000 |
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committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-11-03 03:20:08 +0000 |
commit | ee495ca5002da26bae51a95d1922474708a2e818 (patch) | |
tree | 97380d53164b47f3a36b8234aa9ec536c79c5ef1 /LUFA/Drivers/USB/Class/Device/MIDI.c | |
parent | 5ce8380a7d076b5368d9800ff1aab89ba0487276 (diff) | |
download | lufa-ee495ca5002da26bae51a95d1922474708a2e818.tar.gz lufa-ee495ca5002da26bae51a95d1922474708a2e818.tar.bz2 lufa-ee495ca5002da26bae51a95d1922474708a2e818.zip |
Fixed MIDI class driver send routines silently discarding packets if the endpoint or pipe is busy (thanks to Robin Green).
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/MIDI.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Device/MIDI.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/MIDI.c b/LUFA/Drivers/USB/Class/Device/MIDI.c index 2e1757547..78d9043a9 100644 --- a/LUFA/Drivers/USB/Class/Device/MIDI.c +++ b/LUFA/Drivers/USB/Class/Device/MIDI.c @@ -92,18 +92,15 @@ uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInter if (USB_DeviceState != DEVICE_STATE_Configured) return ENDPOINT_RWSTREAM_DeviceDisconnected; + uint8_t ErrorCode; + Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpointNumber); - if (Endpoint_IsReadWriteAllowed()) - { - uint8_t ErrorCode; + if ((ErrorCode = Endpoint_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != ENDPOINT_RWSTREAM_NoError) + return ErrorCode; - if ((ErrorCode = Endpoint_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != ENDPOINT_RWSTREAM_NoError) - return ErrorCode; - - if (!(Endpoint_IsReadWriteAllowed())) - Endpoint_ClearIN(); - } + if (!(Endpoint_IsReadWriteAllowed())) + Endpoint_ClearIN(); return ENDPOINT_RWSTREAM_NoError; } |