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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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/*
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Encoder.cpp - Encoder library for Wiring & Arduino
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Copyright (c) 2006 Hernando Barragan and Nicholas Zambetti.
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All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef Encoder_h
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#define Encoder_h
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#include <inttypes.h>
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class Encoder
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{
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private:
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uint8_t _index;
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uint8_t _pin_a;
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static volatile uint8_t _pin_b;
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static volatile int32_t _position;
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static uint8_t _count;
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static Encoder* _encoders[];
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static void service(void);
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public:
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Encoder();
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uint8_t attach(uint8_t, uint8_t);
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void detach();
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void write(int32_t);
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int32_t read(void);
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uint8_t attached(void);
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};
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#endif
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