| /* ---------------------------------------------------------------------------- |
| * ATMEL Microcontroller Software Support |
| * ---------------------------------------------------------------------------- |
| * Copyright (c) 2008, Atmel Corporation |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the disclaimer below. |
| * |
| * Atmel's name may not be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ---------------------------------------------------------------------------- |
| */ |
| |
| /** \file |
| * USB Audio Speaker & Microphone Function. |
| */ |
| |
| /** \addtogroup usbd_audio_speakerphone |
| *@{ |
| * Implement speakerphone function that combine 1 AC interface, 1 AS interface |
| * for speaker and 1 AS interface for microphone. |
| */ |
| |
| #ifndef _AUDD_SPEAKERPHONE_H_ |
| #define _AUDD_SPEAKERPHONE_H_ |
| |
| /*------------------------------------------------------------------------------ |
| * Headers |
| *------------------------------------------------------------------------------*/ |
| |
| #include <stdint.h> |
| |
| #include <AUDDStream.h> |
| |
| #include <USBD.h> |
| #include <USBDDriver.h> |
| |
| /*------------------------------------------------------------------------------ |
| * Defines |
| *------------------------------------------------------------------------------*/ |
| |
| /** \addtogroup usbd_audio_ids Audio Device IDs required by driver |
| * @{ |
| * The driver uses following fixed entity IDs, use them to define your |
| * descriptor. |
| * \ref AUDD_ID_SpeakerIT |
| * \ref AUDD_ID_SpeakerOT |
| * \ref AUDD_ID_SpeakerFU |
| * \ref AUDD_ID_MicrophoneIT |
| * \ref AUDD_ID_MicrophoneOT |
| * \ref AUDD_ID_MicrophoneFU |
| */ |
| /** Speaker input terminal ID */ |
| #define AUDD_ID_SpeakerIT 0x01 |
| /** Speaker output terminal ID */ |
| #define AUDD_ID_SpeakerOT 0x02 |
| /** Speaker feature unit ID */ |
| #define AUDD_ID_SpeakerFU 0x03 |
| /** Microphone input terminal ID */ |
| #define AUDD_ID_MicrophoneIT 0x04 |
| /** Microphone output terminal ID */ |
| #define AUDD_ID_MicrophoneOT 0x05 |
| /** Microphone feature unit ID */ |
| #define AUDD_ID_MicrophoneFU 0x06 |
| /** @}*/ |
| |
| /** \addtogroup usbd_audio_chs Audio Device Channels |
| * @{ |
| */ |
| /** Master channel ID */ |
| #define AUDD_CH_Master 0x0 |
| /** Left channel ID */ |
| #define AUDD_CH_L 0x1 |
| /** Right channel ID */ |
| #define AUDD_CH_R 0x2 |
| /** @}*/ |
| |
| /*------------------------------------------------------------------------------ |
| * Types |
| *------------------------------------------------------------------------------*/ |
| |
| /** |
| * Struct of USB Audio Speakerphone Function, with |
| * - 1 control interface for features, |
| * - 1 input stream for microphone (Audio IN), |
| * - 1 output stream for speaker (Audio OUT). |
| */ |
| typedef struct _AUDDSpeakerPhone { |
| /** Pointer to USBD Driver Interface */ |
| USBDDriver *pUsbd; |
| /** Pointer to AUDDStream Instance */ |
| AUDDStream *pSpeaker; |
| /** Pointer to AUDDStream Instance */ |
| AUDDStream *pMicrophone; |
| } AUDDSpeakerPhone; |
| |
| /*------------------------------------------------------------------------------ |
| * Functions |
| *------------------------------------------------------------------------------*/ |
| |
| extern void AUDDSpeakerPhone_InitializeStream( |
| AUDDStream * pAuds, |
| uint8_t numChannels,uint16_t wChannelVolumes [ ], |
| AUDDStreamEventCallback fCallback,void * pArg); |
| |
| extern void AUDDSpeakerPhone_Initialize( |
| AUDDSpeakerPhone * pAudf, |
| USBDDriver * pUsbd, |
| AUDDStream * pSpeaker,AUDDStream * pMicrophone); |
| |
| extern USBGenericDescriptor* AUDDSpeakerPhone_ParseInterfaces( |
| AUDDSpeakerPhone * pAudf, |
| USBGenericDescriptor * pDescriptors, |
| uint32_t dwLength); |
| |
| extern uint32_t AUDDSpeakerPhone_RequestHandler( |
| AUDDSpeakerPhone * pAudf, |
| const USBGenericRequest * pRequest); |
| |
| extern uint32_t AUDDSpeakerPhone_CloseStream( |
| AUDDSpeakerPhone * pAudf, |
| uint32_t bInterface); |
| |
| extern uint32_t AUDDSpeakerPhone_SetupWrite( |
| AUDDSpeakerPhone * pAudf, |
| void * pListInit, void * pDmaInit, uint16_t listSize, uint16_t delaySize, |
| TransferCallback callback,void * argument); |
| |
| extern uint32_t AUDDSpeakerPhone_Write( |
| AUDDSpeakerPhone * pAudf, |
| void * pBuffer,uint16_t wLength); |
| |
| extern uint32_t AUDDSpeakerPhone_Read( |
| AUDDSpeakerPhone * pAudf, |
| void * pData, uint32_t dwSize, |
| TransferCallback fCallback,void * pArg); |
| |
| /**@}*/ |
| #endif /* _AUDD_SPEAKERPHONE_H_ */ |
| |