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Added support to the MIDI Class drivers for packed data, where multiple MIDI events are packed into a single USB packet. Added new MIDI Class driver flush routines to override packing behaviour.

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This commit is contained in:
Dean Camera 2010-01-05 13:52:34 +00:00
parent 60e9641222
commit d97db1120b
13 changed files with 113 additions and 14 deletions
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11
LUFA/Drivers/USB/Class/Host/MIDI.h
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@ -125,6 +125,17 @@
uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Flushes the MIDI send buffer, sending any queued MIDI events to the device. This should be called to override the
* \ref MIDI_Host_SendEventPacket() function's packing behaviour, to flush queued events. Events are queued into the
* pipe bank until either the pipe bank is full, or \ref MIDI_Host_Flush() is called. This allows for multiple MIDI
* events to be packed into a single pipe packet, increasing data throughput.
*
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum
*/
uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo);
/** Receives a MIDI event packet from the device.
*
* \note This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the