X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/afe6ae14023c7040befe73e49d00077d3425c564..4f74075fad7f1e7a35d04ff534d9d6a57d2b97fc:/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 542700b88..f5bf4ac5d 100644
--- a/LUFA/Drivers/USB/Class/Host/MIDI.c
+++ b/LUFA/Drivers/USB/Class/Host/MIDI.c
@@ -31,6 +31,136 @@
 #include "../../HighLevel/USBMode.h"
 #if defined(USB_CAN_BE_HOST)
 
+#define  INCLUDE_FROM_MIDI_CLASS_HOST_C
 #include "MIDI.h"
 
+uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, uint16_t ConfigDescriptorSize,
+                                 void* ConfigDescriptorData)
+{
+	uint8_t FoundEndpoints = 0;
+
+	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;
+	}
+	
+	while (FoundEndpoints != (MIDI_FOUND_DATAPIPE_IN | MIDI_FOUND_DATAPIPE_OUT))
+	{
+		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
+		                              DComp_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+		{
+			return MIDI_ENUMERROR_EndpointsNotFound;
+		}
+		
+		USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
+
+		if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+		{
+			Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
+							   EndpointData->EndpointAddress, EndpointData->EndpointSize,
+							   MIDIInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+			MIDIInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
+			
+			FoundEndpoints |= MIDI_FOUND_DATAPIPE_IN;
+		}
+		else
+		{
+			Pipe_ConfigurePipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
+							   EndpointData->EndpointAddress, EndpointData->EndpointSize,
+							   MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+			MIDIInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
+
+			FoundEndpoints |= MIDI_FOUND_DATAPIPE_OUT;
+		}
+	}
+	
+	MIDIInterfaceInfo->State.IsActive = true;
+	return MIDI_ENUMERROR_NoError;
+}
+
+static uint8_t DComp_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)
+{
+	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	{
+		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
+		                                                                USB_Descriptor_Interface_t);
+
+		if ((CurrentInterface->Class    == MIDI_STREAMING_CLASS)    &&
+		    (CurrentInterface->SubClass == MIDI_STREAMING_SUBCLASS) &&
+		    (CurrentInterface->Protocol == MIDI_STREAMING_PROTOCOL))
+		{
+			return DESCRIPTOR_SEARCH_Found;
+		}
+	}
+	
+	return DESCRIPTOR_SEARCH_NotFound;
+}
+
+static uint8_t DComp_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)
+{
+	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+	{
+		USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
+		                                                              USB_Descriptor_Endpoint_t);
+	
+		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+	
+		if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+		  return DESCRIPTOR_SEARCH_Found;
+	}
+	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	{
+		return DESCRIPTOR_SEARCH_Fail;
+	}
+
+	return DESCRIPTOR_SEARCH_NotFound;
+}
+
+void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
+{
+	(void)MIDIInterfaceInfo;
+}
+
+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))
+	  return HOST_SENDCONTROL_DeviceDisconnected;
+	
+	Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
+
+	if (Pipe_IsReadWriteAllowed())
+	{
+		uint8_t ErrorCode;
+
+		if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+		  return ErrorCode;
+
+		Pipe_ClearOUT();
+	}
+	
+	return PIPE_RWSTREAM_NoError;
+}
+
+bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo, MIDI_EventPacket_t* const Event)
+{
+	if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
+	  return HOST_SENDCONTROL_DeviceDisconnected;
+	
+	Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipeNumber);
+
+	if (!(Pipe_IsReadWriteAllowed()))
+	  return false;
+
+	Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK);
+	Pipe_ClearIN();
+	
+	return true;
+}
+
 #endif