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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006-2007 Robert Keevil
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
void piezo_init(void);
void piezo_play(unsigned short inv_freq, unsigned char form);
void piezo_play_for_tick(unsigned short inv_freq,
unsigned char form, unsigned int dur);
void piezo_play_for_usec(unsigned short inv_freq,
unsigned char form, unsigned int dur);
void piezo_stop(void);
void piezo_clear(void);
bool piezo_busy(void);
unsigned int piezo_hz(unsigned int hz);
void piezo_button_beep(bool beep, bool force);
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