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53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/*
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buzzer include file
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Copyright (C) 2011 Pavel Semerad
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _BUZZER_INCLUDED
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#define _BUZZER_INCLUDED
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#include "gt3b.h"
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// setting on/off
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#define BUZZER0 BRES(PD_ODR, 4)
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#define BUZZER1 BSET(PD_ODR, 4)
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#define BUZZER_CHK BCHK(PD_ODR, 4)
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// functions to use
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#define BUZZER_MAX (u16)(0xffff)
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extern void buzzer_on(u8 on_5ms, u8 off_5ms, u16 count);
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extern void buzzer_off(void);
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extern void beep(u8 len_5ms);
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extern void key_beep(void);
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// variables used at timer
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extern _Bool buzzer_running;
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extern u8 buzzer_cnt_on;
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extern u8 buzzer_cnt_off;
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extern u16 buzzer_count;
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extern u8 buzzer_cnt;
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#endif
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