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126 lines
3.9 KiB
126 lines
3.9 KiB
/* |
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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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