X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/eb2e883fd35b5332a7425488105a7adb500ce3fe..0da99447d3e88e83f9977501bee56af5c7aa56c0:/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c?ds=sidebyside diff --git a/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c b/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c index 109b075d9..b1abb68d7 100644 --- a/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c +++ b/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c @@ -1,13 +1,13 @@ /* LUFA Library - Copyright (C) Dean Camera, 2011. + Copyright (C) Dean Camera, 2012. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted @@ -78,45 +78,19 @@ uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceI DataOUTEndpoint = EndpointData; } - for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) - { - uint16_t Size; - uint8_t Type; - uint8_t Token; - uint8_t EndpointAddress; - bool DoubleBanked; - - if (PipeNum == MIDIInterfaceInfo->Config.DataINPipeNumber) - { - Size = le16_to_cpu(DataINEndpoint->EndpointSize); - EndpointAddress = DataINEndpoint->EndpointAddress; - Token = PIPE_TOKEN_IN; - Type = EP_TYPE_BULK; - DoubleBanked = MIDIInterfaceInfo->Config.DataINPipeDoubleBank; - - MIDIInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; - } - else if (PipeNum == MIDIInterfaceInfo->Config.DataOUTPipeNumber) - { - Size = le16_to_cpu(DataOUTEndpoint->EndpointSize); - EndpointAddress = DataOUTEndpoint->EndpointAddress; - Token = PIPE_TOKEN_OUT; - Type = EP_TYPE_BULK; - DoubleBanked = MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank; - - MIDIInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; - } - else - { - continue; - } - - if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size, - DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE))) - { - return MIDI_ENUMERROR_PipeConfigurationFailed; - } - } + MIDIInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize); + MIDIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress; + MIDIInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK; + + MIDIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize); + MIDIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress; + MIDIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK; + + if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataINPipe, 1))) + return false; + + if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataOUTPipe, 1))) + return false; MIDIInterfaceInfo->State.InterfaceNumber = MIDIInterface->InterfaceNumber; MIDIInterfaceInfo->State.IsActive = true; @@ -171,7 +145,7 @@ void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) #if !defined(NO_CLASS_DRIVER_AUTOFLUSH) MIDI_Host_Flush(MIDIInterfaceInfo); - #endif + #endif } uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) @@ -181,16 +155,22 @@ uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) uint8_t ErrorCode; - Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber); - + Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_Unfreeze(); + if (Pipe_BytesInPipe()) { Pipe_ClearOUT(); if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError) - return ErrorCode; + { + Pipe_Freeze(); + return ErrorCode; + } } + Pipe_Freeze(); + return PIPE_READYWAIT_NoError; } @@ -202,14 +182,20 @@ uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface uint8_t ErrorCode; - Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber); - + Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_Unfreeze(); + if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != PIPE_RWSTREAM_NoError) - return ErrorCode; + { + Pipe_Freeze(); + return ErrorCode; + } if (!(Pipe_IsReadWriteAllowed())) Pipe_ClearOUT(); + Pipe_Freeze(); + return PIPE_RWSTREAM_NoError; } @@ -218,18 +204,27 @@ bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface { if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive)) return HOST_SENDCONTROL_DeviceDisconnected; + + bool DataReady = false; - Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipeNumber); + Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipe.Address); + Pipe_Unfreeze(); - if (!(Pipe_IsReadWriteAllowed())) - return false; - - Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL); - - if (!(Pipe_IsReadWriteAllowed())) - Pipe_ClearIN(); + if (Pipe_IsINReceived()) + { + if (Pipe_BytesInPipe()) + { + Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL); + DataReady = true; + } - return true; + if (!(Pipe_BytesInPipe())) + Pipe_ClearIN(); + } + + Pipe_Freeze(); + + return DataReady; } #endif