Merge pull request #1471 from qmk/lufa_lib

Update LUFA and move it to /lib/lufa

1 files changed, 131 insertions, 0 deletions

diff --git a/lib/lufa/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c b/lib/lufa/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c
new file mode 100644
index 0000000000..a35c4082bc
--- /dev/null
+++ b/lib/lufa/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c
@@ -0,0 +1,131 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  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
+  without fee, 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 disclaims 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.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../../Core/USBMode.h"
+
+#if defined(USB_CAN_BE_DEVICE)
+
+#define  __INCLUDE_FROM_MIDI_DRIVER
+#define  __INCLUDE_FROM_MIDI_DEVICE_C
+#include "MIDIClassDevice.h"
+
+bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
+{
+	memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));
+
+	MIDIInterfaceInfo->Config.DataINEndpoint.Type  = EP_TYPE_BULK;
+	MIDIInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_BULK;
+
+	if (!(Endpoint_ConfigureEndpointTable(&MIDIInterfaceInfo->Config.DataINEndpoint, 1)))
+	  return false;
+
+	if (!(Endpoint_ConfigureEndpointTable(&MIDIInterfaceInfo->Config.DataOUTEndpoint, 1)))
+	  return false;
+
+	return true;
+}
+
+void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
+{
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return;
+
+	#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
+	Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpoint.Address);
+
+	if (Endpoint_IsINReady())
+	  MIDI_Device_Flush(MIDIInterfaceInfo);
+	#endif
+}
+
+uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,
+                                    const MIDI_EventPacket_t* const Event)
+{
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+	uint8_t ErrorCode;
+
+	Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpoint.Address);
+
+	if ((ErrorCode = Endpoint_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != ENDPOINT_RWSTREAM_NoError)
+	  return ErrorCode;
+
+	if (!(Endpoint_IsReadWriteAllowed()))
+	  Endpoint_ClearIN();
+
+	return ENDPOINT_RWSTREAM_NoError;
+}
+
+uint8_t MIDI_Device_Flush(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
+{
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+	uint8_t ErrorCode;
+
+	Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpoint.Address);
+
+	if (Endpoint_BytesInEndpoint())
+	{
+		Endpoint_ClearIN();
+
+		if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
+		  return ErrorCode;
+	}
+
+	return ENDPOINT_READYWAIT_NoError;
+}
+
+bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,
+                                    MIDI_EventPacket_t* const Event)
+{
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return false;
+
+	Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataOUTEndpoint.Address);
+
+	if (!(Endpoint_IsOUTReceived()))
+		return false;
+
+	if (!(Endpoint_IsReadWriteAllowed()))
+	  return false;
+
+	Endpoint_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
+
+	if (!(Endpoint_IsReadWriteAllowed()))
+	  Endpoint_ClearOUT();
+
+	return true;
+}
+
+#endif
+