3 Copyright (C) Dean Camera, 2014.
5 dean [at] fourwalledcubicle [dot] com
10 Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
12 Permission to use, copy, modify, distribute, and sell this
13 software and its documentation for any purpose is hereby granted
14 without fee, provided that the above copyright notice appear in
15 all copies and that both that the copyright notice and this
16 permission notice and warranty disclaimer appear in supporting
17 documentation, and that the name of the author not be used in
18 advertising or publicity pertaining to distribution of the
19 software without specific, written prior permission.
21 The author disclaims all warranties with regard to this
22 software, including all implied warranties of merchantability
23 and fitness. In no event shall the author be liable for any
24 special, indirect or consequential damages or any damages
25 whatsoever resulting from loss of use, data or profits, whether
26 in an action of contract, negligence or other tortious action,
27 arising out of or in connection with the use or performance of
33 * Header file for ConfigDescriptor.c.
36 #ifndef _CONFIGDESCRIPTOR_H_
37 #define _CONFIGDESCRIPTOR_H_
40 #include <LUFA/Drivers/USB/USB.h>
42 #include "AudioOutputHost.h"
43 #include "Config/AppConfig.h"
46 /** Pipe address for the Audio data OUT pipe. */
47 #define AUDIO_DATA_OUT_PIPE (PIPE_DIR_OUT | 1)
50 /** Enum for the possible return codes of the \ref ProcessConfigurationDescriptor() function. */
51 enum AudioHost_GetConfigDescriptorDataCodes_t
53 SuccessfulConfigRead = 0, /**< Configuration Descriptor was processed successfully */
54 ControlError = 1, /**< A control request to the device failed to complete successfully */
55 DescriptorTooLarge = 2, /**< The device's Configuration Descriptor is too large to process */
56 InvalidConfigDataReturned = 3, /**< The device returned an invalid Configuration Descriptor */
57 NoCompatibleInterfaceFound = 4, /**< A compatible interface with the required endpoints was not found */
60 /* External Variables: */
61 extern uint8_t StreamingInterfaceIndex;
62 extern uint8_t StreamingInterfaceAltSetting;
63 extern uint8_t StreamingEndpointAddress;
65 /* Function Prototypes: */
66 uint8_t ProcessConfigurationDescriptor(void);
68 uint8_t DComp_NextAudioControlInterface(void* CurrentDescriptor);
69 uint8_t DComp_NextAudioStreamInterface(void* CurrentDescriptor);
70 uint8_t DComp_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor);