00001 /* ---------------------------------------------------------------------------- 00002 * ATMEL Microcontroller Software Support 00003 * ---------------------------------------------------------------------------- 00004 * Copyright (c) 2008, Atmel Corporation 00005 * 00006 * All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions are met: 00010 * 00011 * - Redistributions of source code must retain the above copyright notice, 00012 * this list of conditions and the disclaimer below. 00013 * 00014 * Atmel's name may not be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR 00018 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00019 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 00020 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, 00021 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00022 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 00023 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00024 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00025 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 00026 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 * ---------------------------------------------------------------------------- 00028 */ 00029 00030 /** 00031 * \dir usb/device/audio-speakerphone 00032 * 00033 * \section Purpose 00034 * 00035 * This directory provides definitions, structs and functions for a USB Audio 00036 * Class device - USB audio-speakerphone demo, to implement an USB speaker 00037 * with microphone. 00038 * 00039 * \section Contents 00040 * There are two things for the implement of the audio-speaker device driver: 00041 * - Implement the audio-speakerphone driver structs and functions for the device, 00042 * to initialize, to handle audio class specific requests and dispach 00043 * standard requests in USBD callbacks, to read/write through assigned USB 00044 * endpoints, 00045 * - Create the audio-speaker device's descriptors that should be passed to 00046 * the USBDDriver instance on initialization, so that the host can 00047 * recognize the device as a USB audio "desktop speaker" device. 00048 * 00049 * This project is simply addon to the audio speaker demo. For more 00050 * information, please refer to "USB Audio Speaker Device". 00051 */