ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added support to the MIDI Class drivers for packed data, where multiple MIDI events are packed into a single USB packet. Added new MIDI Class driver flush routines to override packing behaviour.

Browse source
This commit is contained in:
Dean Camera 2010-01-05 13:52:34 +00:00
parent 60e9641222
commit d97db1120b
13 changed files with 113 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

27
LUFA/Drivers/USB/Class/Host/MIDI.c
View file

@ -122,6 +122,26 @@ static uint8_t DComp_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const Current
return DESCRIPTOR_SEARCH_NotFound;
}
uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
{
if (USB_HostState != HOST_STATE_Configured)
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
if (Pipe_BytesInPipe())
{
Pipe_ClearOUT();
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
return ErrorCode;
}
return PIPE_READYWAIT_NoError;
}
uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
@ -136,7 +156,8 @@ uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface
if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearOUT();
if (!(Pipe_IsReadWriteAllowed()))
Pipe_ClearOUT();
}
return PIPE_RWSTREAM_NoError;
@ -153,7 +174,9 @@ bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface
return false;
Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK);
Pipe_ClearIN();
if (!(Pipe_IsReadWriteAllowed()))
Pipe_ClearIN();
return true;
}