LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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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 
36 #include "USB.h"
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
50 #if defined(__LPC175X_6X__) || defined(__LPC177X_8X__) || defined(__LPC407X_8X__)
51 #define AUDIO_STREAM_EPNUM 3
52 #else
53 #define AUDIO_STREAM_EPNUM 1
54 #endif
55 
61 #define AUDIO_STREAM_EPSIZE ENDPOINT_MAX_SIZE(AUDIO_STREAM_EPNUM)
62 
68 typedef struct {
69  USB_Descriptor_Configuration_Header_t Config;
70 
71  /* Audio Control Interface */
72  USB_Descriptor_Interface_t Audio_ControlInterface;
73  USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
74  USB_Audio_Descriptor_InputTerminal_t Audio_InputTerminal;
75  USB_Audio_Descriptor_OutputTerminal_t Audio_OutputTerminal;
76 
77  /* Audio Streaming Interface */
78  USB_Descriptor_Interface_t Audio_StreamInterface_Alt0;
79  USB_Descriptor_Interface_t Audio_StreamInterface_Alt1;
80  USB_Audio_Descriptor_Interface_AS_t Audio_StreamInterface_SPC;
81  USB_Audio_Descriptor_Format_t Audio_AudioFormat;
82  USB_Audio_SampleFreq_t Audio_AudioFormatSampleRates[5];
83  USB_Audio_Descriptor_StreamEndpoint_Std_t Audio_StreamEndpoint;
84  USB_Audio_Descriptor_StreamEndpoint_Spc_t Audio_StreamEndpoint_SPC;
85  unsigned char Audio_Termination;
86 } USB_Descriptor_Configuration_t;
87 
92 #ifdef __cplusplus
93 }
94 #endif
95 
96 #endif /* __DESCRIPTORS_H_ */