SAMV71 Xplained Ultra Software Package 1.3

AUDDSpeakerDriver_Callbacks.c

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00001 /* ----------------------------------------------------------------------------
00002  *         ATMEL Microcontroller Software Support 
00003  * ----------------------------------------------------------------------------
00004  * Copyright (c) 2010, Atmel Corporation
00005  *
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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
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00019  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
00020  * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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00022  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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00026  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 
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