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Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/MIDI.c')
-rw-r--r--LUFA/Drivers/USB/Class/Device/MIDI.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/MIDI.c b/LUFA/Drivers/USB/Class/Device/MIDI.c
new file mode 100644
index 000000000..9b4cd4b04
--- /dev/null
+++ b/LUFA/Drivers/USB/Class/Device/MIDI.c
@@ -0,0 +1,104 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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.
+*/
+
+#include "MIDI.h"
+
+bool USB_MIDI_ConfigureEndpoints(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo)
+{
+ if (MIDIInterfaceInfo->DataINEndpointNumber)
+ {
+ if (!(Endpoint_ConfigureEndpoint(MIDIInterfaceInfo->DataINEndpointNumber, EP_TYPE_BULK,
+ ENDPOINT_DIR_IN, MIDIInterfaceInfo->DataINEndpointSize,
+ ENDPOINT_BANK_SINGLE)))
+ {
+ return false;
+ }
+ }
+
+ if (MIDIInterfaceInfo->DataOUTEndpointNumber)
+ {
+ if (!(Endpoint_ConfigureEndpoint(MIDIInterfaceInfo->DataOUTEndpointNumber, EP_TYPE_BULK,
+ ENDPOINT_DIR_OUT, MIDIInterfaceInfo->DataOUTEndpointSize,
+ ENDPOINT_BANK_SINGLE)))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void USB_MIDI_SendNoteChange(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, const uint8_t Pitch, const bool OnOff,
+ const uint8_t CableID, const uint8_t Channel)
+{
+ if (!(USB_IsConnected))
+ return;
+
+ Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataINEndpointNumber);
+ while (!(Endpoint_IsReadWriteAllowed()));
+
+ uint8_t Command = ((OnOff)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+
+ Endpoint_Write_Byte((CableID << 4) | (Command >> 4));
+
+ Endpoint_Write_Byte(Command | Channel);
+ Endpoint_Write_Byte(Pitch);
+ Endpoint_Write_Byte(MIDI_STANDARD_VELOCITY);
+
+ Endpoint_ClearIN();
+}
+
+void USB_MIDI_SendEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event)
+{
+ if (!(USB_IsConnected))
+ return;
+
+ Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataINEndpointNumber);
+ while (!(Endpoint_IsReadWriteAllowed()));
+
+ Endpoint_Write_Stream_LE(Event, sizeof(USB_MIDI_EventPacket_t), NO_STREAM_CALLBACK);
+ Endpoint_ClearIN();
+}
+
+bool USB_MIDI_ReceiveEventPacket(USB_ClassInfo_MIDI_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event)
+{
+ if (!(USB_IsConnected))
+ return false;
+
+ Endpoint_SelectEndpoint(MIDIInterfaceInfo->DataOUTEndpointNumber);
+
+ if (!(Endpoint_IsReadWriteAllowed()))
+ return false;
+
+ Endpoint_Read_Stream_LE(Event, sizeof(USB_MIDI_EventPacket_t), NO_STREAM_CALLBACK);
+ Endpoint_ClearOUT();
+
+ return true;
+}