blob: ae5a22a095b19552ba0522c9559f4d50bc05d5f5 [file] [log] [blame]
Christina Quastb123d742014-12-23 13:03:36 +01001/* ----------------------------------------------------------------------------
2 * ATMEL Microcontroller Software Support
3 * ----------------------------------------------------------------------------
4 * Copyright (c) 2008, Atmel Corporation
5 *
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
11 * - Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the disclaimer below.
13 *
14 * Atmel's name may not be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 * ----------------------------------------------------------------------------
28 */
29
30/** \file
31 * USB Audio Speaker & Microphone Function.
32 */
33
34/** \addtogroup usbd_audio_speakerphone
35 *@{
36 * Implement speakerphone function that combine 1 AC interface, 1 AS interface
37 * for speaker and 1 AS interface for microphone.
38 */
39
40#ifndef _AUDD_SPEAKERPHONE_H_
41#define _AUDD_SPEAKERPHONE_H_
42
43/*------------------------------------------------------------------------------
44 * Headers
45 *------------------------------------------------------------------------------*/
46
47#include <stdint.h>
48
49#include <AUDDStream.h>
50
51#include <USBD.h>
52#include <USBDDriver.h>
53
54/*------------------------------------------------------------------------------
55 * Defines
56 *------------------------------------------------------------------------------*/
57
58/** \addtogroup usbd_audio_ids Audio Device IDs required by driver
59 * @{
60 * The driver uses following fixed entity IDs, use them to define your
61 * descriptor.
62 * \ref AUDD_ID_SpeakerIT
63 * \ref AUDD_ID_SpeakerOT
64 * \ref AUDD_ID_SpeakerFU
65 * \ref AUDD_ID_MicrophoneIT
66 * \ref AUDD_ID_MicrophoneOT
67 * \ref AUDD_ID_MicrophoneFU
68 */
69/** Speaker input terminal ID */
70#define AUDD_ID_SpeakerIT 0x01
71/** Speaker output terminal ID */
72#define AUDD_ID_SpeakerOT 0x02
73/** Speaker feature unit ID */
74#define AUDD_ID_SpeakerFU 0x03
75/** Microphone input terminal ID */
76#define AUDD_ID_MicrophoneIT 0x04
77/** Microphone output terminal ID */
78#define AUDD_ID_MicrophoneOT 0x05
79/** Microphone feature unit ID */
80#define AUDD_ID_MicrophoneFU 0x06
81/** @}*/
82
83/** \addtogroup usbd_audio_chs Audio Device Channels
84 * @{
85 */
86/** Master channel ID */
87#define AUDD_CH_Master 0x0
88/** Left channel ID */
89#define AUDD_CH_L 0x1
90/** Right channel ID */
91#define AUDD_CH_R 0x2
92/** @}*/
93
94/*------------------------------------------------------------------------------
95 * Types
96 *------------------------------------------------------------------------------*/
97
98/**
99 * Struct of USB Audio Speakerphone Function, with
100 * - 1 control interface for features,
101 * - 1 input stream for microphone (Audio IN),
102 * - 1 output stream for speaker (Audio OUT).
103 */
104typedef struct _AUDDSpeakerPhone {
105 /** Pointer to USBD Driver Interface */
106 USBDDriver *pUsbd;
107 /** Pointer to AUDDStream Instance */
108 AUDDStream *pSpeaker;
109 /** Pointer to AUDDStream Instance */
110 AUDDStream *pMicrophone;
111} AUDDSpeakerPhone;
112
113/*------------------------------------------------------------------------------
114 * Functions
115 *------------------------------------------------------------------------------*/
116
117extern void AUDDSpeakerPhone_InitializeStream(
118 AUDDStream * pAuds,
119 uint8_t numChannels,uint16_t wChannelVolumes [ ],
120 AUDDStreamEventCallback fCallback,void * pArg);
121
122extern void AUDDSpeakerPhone_Initialize(
123 AUDDSpeakerPhone * pAudf,
124 USBDDriver * pUsbd,
125 AUDDStream * pSpeaker,AUDDStream * pMicrophone);
126
127extern USBGenericDescriptor* AUDDSpeakerPhone_ParseInterfaces(
128 AUDDSpeakerPhone * pAudf,
129 USBGenericDescriptor * pDescriptors,
130 uint32_t dwLength);
131
132extern uint32_t AUDDSpeakerPhone_RequestHandler(
133 AUDDSpeakerPhone * pAudf,
134 const USBGenericRequest * pRequest);
135
136extern uint32_t AUDDSpeakerPhone_CloseStream(
137 AUDDSpeakerPhone * pAudf,
138 uint32_t bInterface);
139
140extern uint32_t AUDDSpeakerPhone_SetupWrite(
141 AUDDSpeakerPhone * pAudf,
142 void * pListInit, void * pDmaInit, uint16_t listSize, uint16_t delaySize,
143 TransferCallback callback,void * argument);
144
145extern uint32_t AUDDSpeakerPhone_Write(
146 AUDDSpeakerPhone * pAudf,
147 void * pBuffer,uint16_t wLength);
148
149extern uint32_t AUDDSpeakerPhone_Read(
150 AUDDSpeakerPhone * pAudf,
151 void * pData, uint32_t dwSize,
152 TransferCallback fCallback,void * pArg);
153
154/**@}*/
155#endif /* _AUDD_SPEAKERPHONE_H_ */
156