From 60b30c036397cb5627fa374bb930794b225daa29 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Fri, 7 Jul 2017 11:55:23 -0400
Subject: Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
---
LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c | 131 ++++++++++++++++++++++++
1 file changed, 131 insertions(+)
create mode 100644 LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c
(limited to 'LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c')
diff --git a/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c b/LUFA/Drivers/USB/Class/Device/MIDIClassDevice.c
new file mode 100644
index 0000000000..a35c4082bc
--- /dev/null
+++ b/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
+
--
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