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Descriptors.h
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1 /*
2 * @brief Audio device class declarations, definitions for using in application
3 *
4 * @note
5 * Copyright(C) NXP Semiconductors, 2012
6 * Copyright(C) Dean Camera, 2011, 2012
7 * All rights reserved.
8 *
9 * @par
10 * Software that is described herein is for illustrative purposes only
11 * which provides customers with programming information regarding the
12 * LPC products. This software is supplied "AS IS" without any warranties of
13 * any kind, and NXP Semiconductors and its licensor disclaim any and
14 * all warranties, express or implied, including all implied warranties of
15 * merchantability, fitness for a particular purpose and non-infringement of
16 * intellectual property rights. NXP Semiconductors assumes no responsibility
17 * or liability for the use of the software, conveys no license or rights under any
18 * patent, copyright, mask work right, or any other intellectual property rights in
19 * or to any products. NXP Semiconductors reserves the right to make changes
20 * in the software without notification. NXP Semiconductors also makes no
21 * representation or warranty that such application will be suitable for the
22 * specified use without further testing or modification.
23 *
24 * @par
25 * Permission to use, copy, modify, and distribute this software and its
26 * documentation is hereby granted, under NXP Semiconductors' and its
27 * licensor's relevant copyrights in the software, without fee, provided that it
28 * is used in conjunction with NXP Semiconductors microcontrollers. This
29 * copyright, permission, and disclaimer notice must appear in all copies of
30 * this code.
31 */
32
33 #ifndef _DESCRIPTORS_H_
34 #define _DESCRIPTORS_H_
35 #include "USB.h"
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
48 #if defined(__LPC17XX__) || defined(__LPC177X_8X__)
49 #define AUDIO_STREAM_EPNUM 3
50 #else
51 #define AUDIO_STREAM_EPNUM 1
52 #endif
53
57 #define AUDIO_STREAM_EPSIZE ENDPOINT_MAX_SIZE(AUDIO_STREAM_EPNUM)
58
63 typedef struct {
64 USB_Descriptor_Configuration_Header_t Config;
65
66 // Audio Control Interface
67 USB_Descriptor_Interface_t Audio_ControlInterface;
68 USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
69 USB_Audio_Descriptor_InputTerminal_t Audio_InputTerminal;
70 USB_Audio_Descriptor_OutputTerminal_t Audio_OutputTerminal;
71
72 // Audio Streaming Interface
73 USB_Descriptor_Interface_t Audio_StreamInterface_Alt0;
74 USB_Descriptor_Interface_t Audio_StreamInterface_Alt1;
75 USB_Audio_Descriptor_Interface_AS_t Audio_StreamInterface_SPC;
76 USB_Audio_Descriptor_Format_t Audio_AudioFormat;
77 USB_Audio_SampleFreq_t Audio_AudioFormatSampleRates[5];
78 USB_Audio_Descriptor_StreamEndpoint_Std_t Audio_StreamEndpoint;
79 USB_Audio_Descriptor_StreamEndpoint_Spc_t Audio_StreamEndpoint_SPC;
80 unsigned char Audio_Termination;
81 } USB_Descriptor_Configuration_t;
82
83 uint16_t CALLBACK_USB_GetDescriptor(uint8_t corenum,
84 const uint16_t wValue,
85 const uint8_t wIndex,
86 const void * *const DescriptorAddress)
87 ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(4);
88
93 #ifdef __cplusplus
94 }
95 #endif
96
97 #endif