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97143bf814
Indent core library function parameters so that there is only one parameter per line, to increase readability.
127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#define __INCLUDE_FROM_USB_DRIVER
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#include "../../HighLevel/USBMode.h"
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#if defined(USB_CAN_BE_DEVICE)
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#define __INCLUDE_FROM_MIDI_DRIVER
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#include "MIDI.h"
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bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
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{
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memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));
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if (MIDIInterfaceInfo->Config.DataINEndpointNumber)
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{
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if (!(Endpoint_ConfigureEndpoint(MIDIInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,
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ENDPOINT_DIR_IN, MIDIInterfaceInfo->Config.DataINEndpointSize,
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MIDIInterfaceInfo->Config.DataINEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
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{
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return false;
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}
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}
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if (MIDIInterfaceInfo->Config.DataOUTEndpointNumber)
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{
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if (!(Endpoint_ConfigureEndpoint(MIDIInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_BULK,
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ENDPOINT_DIR_OUT, MIDIInterfaceInfo->Config.DataOUTEndpointSize,
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MIDIInterfaceInfo->Config.DataOUTEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
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{
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return false;
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}
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}
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return true;
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}
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uint8_t MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,
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const MIDI_EventPacket_t* const Event)
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{
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return ENDPOINT_RWSTREAM_DeviceDisconnected;
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Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpointNumber);
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if (Endpoint_IsReadWriteAllowed())
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{
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uint8_t ErrorCode;
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if ((ErrorCode = Endpoint_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK)) != ENDPOINT_RWSTREAM_NoError)
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return ErrorCode;
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if (!(Endpoint_IsReadWriteAllowed()))
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Endpoint_ClearIN();
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}
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return ENDPOINT_RWSTREAM_NoError;
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}
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uint8_t MIDI_Device_Flush(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo)
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{
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return ENDPOINT_RWSTREAM_DeviceDisconnected;
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uint8_t ErrorCode;
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Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataINEndpointNumber);
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if (Endpoint_BytesInEndpoint())
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{
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Endpoint_ClearIN();
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if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
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return ErrorCode;
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}
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return ENDPOINT_READYWAIT_NoError;
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}
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bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* const MIDIInterfaceInfo,
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MIDI_EventPacket_t* const Event)
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{
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return false;
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Endpoint_SelectEndpoint(MIDIInterfaceInfo->Config.DataOUTEndpointNumber);
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if (!(Endpoint_IsReadWriteAllowed()))
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return false;
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Endpoint_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NO_STREAM_CALLBACK);
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if (!(Endpoint_IsReadWriteAllowed()))
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Endpoint_ClearOUT();
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return true;
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}
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#endif
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