00001 /* ---------------------------------------------------------------------------- 00002 * ATMEL Microcontroller Software Support 00003 * ---------------------------------------------------------------------------- 00004 * Copyright (c) 2010, 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 /** \file 00031 * Default callbacks implement for Audio Speaker Driver. 00032 */ 00033 00034 /** \addtogroup usbd_audio_speaker 00035 *@{ 00036 */ 00037 00038 /*--------------------------------------------------------------------------- 00039 * Headers 00040 *---------------------------------------------------------------------------*/ 00041 00042 /* These headers were introduced in C99 00043 by working group ISO/IEC JTC1/SC22/WG14. */ 00044 #include <stdint.h> 00045 00046 #include "AUDDSpeakerDriver.h" 00047 00048 /*------------------------------------------------------------------------------ 00049 * Default WEAK Callbacks 00050 *------------------------------------------------------------------------------*/ 00051 00052 /** 00053 * Invoked when an audio channel get muted or unmuted. Mutes/unmutes the 00054 * channel at the DAC level. 00055 * \param channel Channel number that changed. 00056 * \param muted Indicates the new mute status of the channel. 00057 */ 00058 WEAK void AUDDSpeakerDriver_MuteChanged(uint8_t channel,uint8_t muted) 00059 { 00060 /* Do nothing */ 00061 channel = channel; muted = muted; 00062 } 00063 00064 /** 00065 * Invoked when an audio streaming interface setting changed. Actually control 00066 * streaming rate. 00067 * \param newSetting New stream (interface) setting. 00068 */ 00069 WEAK void AUDDSpeakerDriver_StreamSettingChanged(uint8_t newSetting) 00070 { 00071 /* Do nothing */ 00072 newSetting = newSetting; 00073 } 00074 00075 /**@}*/ 00076