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/*
* Copyright © 2012 Keith Packard <keithp@keithp.com>
*
* 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 program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _AO_BEEP_H_
#define _AO_BEEP_H_
#ifndef HAS_BEEP_CONFIG
#if defined(USE_EEPROM_CONFIG) && USE_EEPROM_CONFIG || HAS_EEPROM
#define HAS_BEEP_CONFIG 1
#endif
#endif
/*
* ao_beep.c
*/
/*
* Various pre-defined beep frequencies
*
* frequency = 1/2 (24e6/32) / beep
*/
#define AO_BEEP_MID_DEFAULT 94 /* 3989Hz */
#if HAS_BEEP_CONFIG
#define AO_BEEP_MID ao_config.mid_beep
#else
#define AO_BEEP_MID AO_BEEP_MID_DEFAULT
#endif
#define AO_BEEP_LOW AO_BEEP_MID * 150 / 94 /* 2500Hz */
#define AO_BEEP_HIGH AO_BEEP_MID * 75 / 94 /* 5000Hz */
#define AO_BEEP_OFF 0 /* off */
#define AO_BEEP_g 240 /* 1562.5Hz */
#define AO_BEEP_gs 227 /* 1652Hz (1655Hz) */
#define AO_BEEP_aa 214 /* 1752Hz (1754Hz) */
#define AO_BEEP_bbf 202 /* 1856Hz (1858Hz) */
#define AO_BEEP_bb 190 /* 1974Hz (1969Hz) */
#define AO_BEEP_cc 180 /* 2083Hz (2086Hz) */
#define AO_BEEP_ccs 170 /* 2205Hz (2210Hz) */
#define AO_BEEP_dd 160 /* 2344Hz (2341Hz) */
#define AO_BEEP_eef 151 /* 2483Hz (2480Hz) */
#define AO_BEEP_ee 143 /* 2622Hz (2628Hz) */
#define AO_BEEP_ff 135 /* 2778Hz (2784Hz) */
#define AO_BEEP_ffs 127 /* 2953Hz (2950Hz) */
#define AO_BEEP_gg 120 /* 3125Hz */
#define AO_BEEP_ggs 113 /* 3319Hz (3311Hz) */
#define AO_BEEP_aaa 107 /* 3504Hz (3508Hz) */
#define AO_BEEP_bbbf 101 /* 3713Hz (3716Hz) */
#define AO_BEEP_bbb 95 /* 3947Hz (3937Hz) */
#define AO_BEEP_ccc 90 /* 4167Hz (4171Hz) */
#define AO_BEEP_cccs 85 /* 4412Hz (4419Hz) */
#define AO_BEEP_ddd 80 /* 4688Hz (4682Hz) */
#define AO_BEEP_eeef 76 /* 4934Hz (4961Hz) */
#define AO_BEEP_eee 71 /* 5282Hz (5256Hz) */
#define AO_BEEP_fff 67 /* 5597Hz (5568Hz) */
#define AO_BEEP_fffs 64 /* 5859Hz (5899Hz) */
#define AO_BEEP_ggg 60 /* 6250Hz */
/* Set the beeper to the specified tone */
void
ao_beep(uint8_t beep);
/* Turn on the beeper for the specified time */
void
ao_beep_for(uint8_t beep, uint16_t ticks) __reentrant;
/* Initialize the beeper */
void
ao_beep_init(void);
#endif /* _AO_BEEP_H_ */
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