Added new XCK_RESCUE_CLOCK_ENABLE compile time option to the AVRISP-MKII clone progra...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / MIDI.c

diff --git a/LUFA/Drivers/USB/Class/Host/MIDI.c b/LUFA/Drivers/USB/Class/Host/MIDI.c
index 6aed766..87e4290 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/MIDI.c
+++ b/LUFA/Drivers/USB/Class/Host/MIDI.c
@@ -105,14 +105,15 @@ uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceI
 
 static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Interface)
        {
-               USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-                                                                               USB_Descriptor_Interface_t);
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
-               if ((CurrentInterface->Class    == AUDIO_CSCP_AudioClass)            &&
-                   (CurrentInterface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
-                   (CurrentInterface->Protocol == AUDIO_CSCP_StreamingProtocol))
+               if ((Interface->Class    == AUDIO_CSCP_AudioClass)            &&
+                   (Interface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
+                   (Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
@@ -123,17 +124,18 @@ static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDes
 
 static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Endpoint)
        {
-               USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-                                                                             USB_Descriptor_Endpoint_t);
+               USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
-               uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+               uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
-               if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+               if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
                  return DESCRIPTOR_SEARCH_Found;
        }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       else if (Header->Type == DTYPE_Interface)
        {
                return DESCRIPTOR_SEARCH_Fail;
        }
@@ -177,18 +179,15 @@ uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface
        if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
          return HOST_SENDCONTROL_DeviceDisconnected;
 
-       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
+       uint8_t ErrorCode;
 
-       if (Pipe_IsReadWriteAllowed())
-       {
-               uint8_t ErrorCode;
+       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
 
-               if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
-                 return ErrorCode;
+       if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+         return ErrorCode;
 
-               if (!(Pipe_IsReadWriteAllowed()))
-                 Pipe_ClearOUT();
-       }
+       if (!(Pipe_IsReadWriteAllowed()))
+         Pipe_ClearOUT();
 
        return PIPE_RWSTREAM_NoError;
 }