diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/MIDI.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/MIDI.c | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/MIDI.c b/LUFA/Drivers/USB/Class/Host/MIDI.c index fd7f13ccd..6f34933fb 100644 --- a/LUFA/Drivers/USB/Class/Host/MIDI.c +++ b/LUFA/Drivers/USB/Class/Host/MIDI.c @@ -40,50 +40,72 @@ uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceI uint16_t ConfigDescriptorSize, void* ConfigDescriptorData) { - uint8_t FoundEndpoints = 0; + USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; + USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State)); if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) return MIDI_ENUMERROR_InvalidConfigDescriptor; - + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DCOMP_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found) { - return MIDI_ENUMERROR_NoStreamingInterfaceFound; + return MIDI_ENUMERROR_NoCompatibleInterfaceFound; } - while (FoundEndpoints != (MIDI_FOUND_DATAPIPE_IN | MIDI_FOUND_DATAPIPE_OUT)) + MIDIInterfaceInfo->State.InterfaceNumber = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t)->InterfaceNumber; + + while (!(DataINEndpoint) || !(DataOUTEndpoint)) { if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { - return MIDI_ENUMERROR_EndpointsNotFound; + DataINEndpoint = NULL; + DataOUTEndpoint = NULL; + + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return MIDI_ENUMERROR_NoCompatibleInterfaceFound; + } + + MIDIInterfaceInfo->State.InterfaceNumber = DESCRIPTOR_PCAST(ConfigDescriptorData, + USB_Descriptor_Interface_t)->InterfaceNumber; + + continue; } USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) + DataINEndpoint = EndpointData; + else + DataOUTEndpoint = EndpointData; + } + + for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) + { + if (PipeNum == MIDIInterfaceInfo->Config.DataINPipeNumber) { - Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, + Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_IN, + DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, MIDIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - MIDIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; - FoundEndpoints |= MIDI_FOUND_DATAPIPE_IN; + MIDIInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; } - else + else if (PipeNum == MIDIInterfaceInfo->Config.DataOUTPipeNumber) { - Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, - EndpointData->EndpointAddress, EndpointData->EndpointSize, + Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_OUT, + DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - MIDIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; - - FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT; + + MIDIInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; } } - + MIDIInterfaceInfo->State.IsActive = true; + return MIDI_ENUMERROR_NoError; } |