You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
144 lines
6.6 KiB
144 lines
6.6 KiB
/*
|
|
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.
|
|
*/
|
|
|
|
/** \ingroup Group_USBClassMIDI
|
|
* @defgroup Group_USBClassMIDIDevice MIDI Class Device Mode Driver
|
|
*
|
|
* \section Module Description
|
|
* Device Mode USB Class driver framework interface, for the MIDI USB Class driver.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _MIDI_CLASS_DEVICE_H_
|
|
#define _MIDI_CLASS_DEVICE_H_
|
|
|
|
/* Includes: */
|
|
#include "../../USB.h"
|
|
#include "../Common/MIDI.h"
|
|
#include "Audio.h"
|
|
|
|
#include <string.h>
|
|
|
|
/* Enable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Public Interface - May be used in end-application: */
|
|
/* Type Define: */
|
|
/** Configuration information structure for \ref USB_ClassInfo_MIDI_Device_t MIDI device interface structures. */
|
|
typedef struct
|
|
{
|
|
uint8_t StreamingInterfaceNumber; /**< Index of the Audio Streaming interface within the device this structure controls */
|
|
|
|
uint8_t DataINEndpointNumber; /**< Endpoint number of the incomming MIDI data, if available (zero if unused) */
|
|
uint16_t DataINEndpointSize; /**< Size in bytes of the incomming MIDI data endpoint, if available (zero if unused) */
|
|
|
|
uint8_t DataOUTEndpointNumber; /**< Endpoint number of the outgoing MIDI data, if available (zero if unused) */
|
|
uint16_t DataOUTEndpointSize; /**< Size in bytes of the outgoing MIDI data endpoint, if available (zero if unused) */
|
|
} USB_ClassInfo_MIDI_Device_Config_t;
|
|
|
|
/** Current State information structure for \ref USB_ClassInfo_MIDI_Device_t MIDI device interface structures. */
|
|
typedef struct
|
|
{
|
|
// No state information for this class yet
|
|
} USB_ClassInfo_MIDI_Device_State_t;
|
|
|
|
/** Class state structure. An instance of this structure should be made for each MIDI interface
|
|
* within the user application, and passed to each of the MIDI class driver functions as the
|
|
* MIDIInterfaceInfo parameter. This stores each MIDI interface's configuration and state information.
|
|
*/
|
|
typedef struct
|
|
{
|
|
const USB_ClassInfo_MIDI_Device_Config_t Config; /**< Config data for the USB class interface within
|
|
* the device. All elements in this section
|
|
* <b>must</b> be set or the interface will fail
|
|
* to enumerate and operate correctly.
|
|
*/
|
|
|
|
USB_ClassInfo_MIDI_Device_State_t State; /**< State data for the USB class interface within
|
|
* the device. All elements in this section
|
|
* <b>may</b> be set to initial values, but may
|
|
* also be ignored to default to sane values when
|
|
* the interface is enumerated.
|
|
*/
|
|
} USB_ClassInfo_MIDI_Device_t;
|
|
|
|
/* Function Prototypes: */
|
|
/** Configures the endpoints of a given MIDI interface, ready for use. This should be linked to the library
|
|
* \ref EVENT_USB_ConfigurationChanged() event so that the endpoints are configured when the configuration
|
|
* containing the given MIDI interface is selected.
|
|
*
|
|
* \param MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
|
|
*
|
|
* \return Boolean true if the endpoints were sucessfully configured, false otherwise
|
|
*/
|
|
bool MIDI_Device_ConfigureEndpoints(USB_ClassInfo_MIDI_Device_t* MIDIInterfaceInfo);
|
|
|
|
/** Processes incomming control requests from the host, that are directed to the given MIDI class interface. This should be
|
|
* linked to the library \ref EVENT_USB_UnhandledControlPacket() event.
|
|
*
|
|
* \param MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
|
|
*/
|
|
void MIDI_Device_ProcessControlPacket(USB_ClassInfo_MIDI_Device_t* MIDIInterfaceInfo);
|
|
|
|
/** General management task for a given MIDI class interface, required for the correct operation of the interface. This should
|
|
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
|
|
*
|
|
* \param MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
|
|
*/
|
|
void MIDI_Device_USBTask(USB_ClassInfo_MIDI_Device_t* MIDIInterfaceInfo);
|
|
|
|
/** Sends a MIDI event packet to the host. If no host is connected, the event packet is discarded.
|
|
*
|
|
* \param MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
|
|
* \param Event Pointer to a populated USB_MIDI_EventPacket_t structure containing the MIDI event to send
|
|
*/
|
|
void MIDI_Device_SendEventPacket(USB_ClassInfo_MIDI_Device_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event);
|
|
|
|
/** Receives a MIDI event packet from the host.
|
|
*
|
|
* \param MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
|
|
* \param Event Pointer to a USB_MIDI_EventPacket_t structure where the received MIDI event is to be placed
|
|
*
|
|
* \return Boolean true if a MIDI event packet was received, false otherwise
|
|
*/
|
|
bool MIDI_Device_ReceiveEventPacket(USB_ClassInfo_MIDI_Device_t* MIDIInterfaceInfo, USB_MIDI_EventPacket_t* Event);
|
|
|
|
/* Disable C linkage for C++ Compilers: */
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/** @} */
|