Add MIDI class driver, update MIDI device demo to use the new USB class driver. All device demos/projects have now been converted to the new library class drivers, although documentation is yet to be completed.

LUFA/Drivers/USB/Class/Device/MIDI.c

@@ -0,0 +1,104 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2009.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, and distribute this software
+  and its documentation for any purpose and without fee is hereby
+  granted, provided that the above copyright notice appear in all
+  copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#include "MIDI.h"
+
+bool USB_MIDI_ConfigureEndpoints(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo)
+{
+	if (MIDIInterfaceInfo->DataINEndpointNumber)
+	{
+		if (!(Endpoint_ConfigureEndpoint(MIDIInterfaceInfo->DataINEndpointNumber, EP_TYPE_BULK,
+										 ENDPOINT_DIR_IN, MIDIInterfaceInfo->DataINEndpointSize,
+										 ENDPOINT_BANK_SINGLE)))
+		{
+			return false;
+		}
+	}
+
+	if (MIDIInterfaceInfo->DataOUTEndpointNumber)
+	{
+		if (!(Endpoint_ConfigureEndpoint(MIDIInterfaceInfo->DataOUTEndpointNumber, EP_TYPE_BULK,
+										 ENDPOINT_DIR_OUT, MIDIInterfaceInfo->DataOUTEndpointSize,
+										 ENDPOINT_BANK_SINGLE)))
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+void USB_MIDI_SendNoteChange(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, const uint8_t Pitch, const bool OnOff,
+                             const uint8_t CableID, const uint8_t Channel)
+{
+	if (!(USB_IsConnected))
+	  return;
+	
+	Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataINEndpointNumber);
+	while (!(Endpoint_IsReadWriteAllowed()));
+
+	uint8_t Command = ((OnOff)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+
+	Endpoint_Write_Byte((CableID << 4) | (Command >> 4));
+
+	Endpoint_Write_Byte(Command | Channel);
+	Endpoint_Write_Byte(Pitch);
+	Endpoint_Write_Byte(MIDI_STANDARD_VELOCITY);
+	
+	Endpoint_ClearIN();
+}
+
+void USB_MIDI_SendEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event)
+{
+	if (!(USB_IsConnected))
+	  return;
+	
+	Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataINEndpointNumber);
+	while (!(Endpoint_IsReadWriteAllowed()));
+
+	Endpoint_Write_Stream_LE(Event, sizeof(USB_MIDI_EventPacket_t), NO_STREAM_CALLBACK);
+	Endpoint_ClearIN();
+}
+
+bool USB_MIDI_ReceiveEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event)
+{
+	if (!(USB_IsConnected))
+	  return false;
+	
+	Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataOUTEndpointNumber);
+
+	if (!(Endpoint_IsReadWriteAllowed()))
+	  return false;
+
+	Endpoint_Read_Stream_LE(Event, sizeof(USB_MIDI_EventPacket_t), NO_STREAM_CALLBACK);
+	Endpoint_ClearOUT();
+	
+	return true;
+}