00001 /* ---------------------------------------------------------------------------- */ 00002 /* Atmel Microcontroller Software Support */ 00003 /* SAM Software Package License */ 00004 /* ---------------------------------------------------------------------------- */ 00005 /* Copyright (c) 2015, Atmel Corporation */ 00006 /* */ 00007 /* All rights reserved. */ 00008 /* */ 00009 /* Redistribution and use in source and binary forms, with or without */ 00010 /* modification, are permitted provided that the following condition is met: */ 00011 /* */ 00012 /* - Redistributions of source code must retain the above copyright notice, */ 00013 /* this list of conditions and the disclaimer below. */ 00014 /* */ 00015 /* Atmel's name may not be used to endorse or promote products derived from */ 00016 /* this software without specific prior written permission. */ 00017 /* */ 00018 /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ 00019 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ 00020 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ 00021 /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ 00022 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ 00023 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ 00024 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ 00025 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ 00026 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ 00027 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 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