-/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 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 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.
-*/
-
-#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 "MIDI.h"
-
-bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
-{
- memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));
-
- for (uint8_t EndpointNum = 1; EndpointNum < ENDPOINT_TOTAL_ENDPOINTS; EndpointNum++)
- {
- uint16_t Size;
- uint8_t Type;
- uint8_t Direction;
- bool DoubleBanked;
-
- if (EndpointNum == MIDIInterfaceInfo->Config.DataINEndpointNumber)
- {
- Size = MIDIInterfaceInfo->Config.DataINEndpointSize;
- Direction = ENDPOINT_DIR_IN;
- Type = EP_TYPE_BULK;
- DoubleBanked = MIDIInterfaceInfo->Config.DataINEndpointDoubleBank;
- }
- else if (EndpointNum == MIDIInterfaceInfo->Config.DataOUTEndpointNumber)
- {
- Size = MIDIInterfaceInfo->Config.DataOUTEndpointSize;
- Direction = ENDPOINT_DIR_OUT;
- Type = EP_TYPE_BULK;
- DoubleBanked = MIDIInterfaceInfo->Config.DataOUTEndpointDoubleBank;
- }
- else
- {
- continue;
- }
-
- if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
- DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
- {
- 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)
- 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.DataINEndpointNumber);
-
- 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.DataINEndpointNumber);
-
- 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.DataOUTEndpointNumber);
-
- if (!(Endpoint_IsReadWriteAllowed()))
- return false;
-
- Endpoint_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
-
- if (!(Endpoint_IsReadWriteAllowed()))
- Endpoint_ClearOUT();
-
- return true;
-}
-
-#endif
-