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