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/*
MicroMDAEPiano
MicroMDAEPiano is a port of the MDA-EPiano sound engine
(https://sourceforge.net/projects/mda-vst/) for the Teensy-3.5/3.6 with audio shield.
(c)2019-2020 H. Wirtz <wirtz@parasitstudio.de>
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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//#define ENCODER_DO_NOT_USE_INTERRUPTS
#include <Encoder.h>
#include "limits.h"
#ifndef ENCODER4_H_INCLUDED
#define ENCODER4_H_INCLUDED
class Encoder4 : public Encoder
{
public:
//using Encoder::Encoder;
Encoder4(uint8_t pin1, uint8_t pin2) : Encoder::Encoder(pin1, pin2)
{
_min = INT_MIN / 4;
_max = INT_MAX / 4;
_wrap_around = false;
}
int32_t read()
{
int32_t p = Encoder::read();
if (p / 4 < _min && _wrap_around == false)
Encoder::write(_min * 4);
else if (p / 4 < _min && _wrap_around == true)
Encoder::write(_max * 4);
else if (p / 4 > _max && _wrap_around == false)
Encoder::write(_max * 4);
else if (p / 4 > _max && _wrap_around == true)
Encoder::write(_min * 4);
return (Encoder::read() / 4);
}
void write(int32_t p)
{
Encoder::write(p * 4);
}
void write(int32_t p, int32_t min, int32_t max, bool wrap_around = false)
{
_wrap_around = wrap_around;
if (max < min)
{
_min = max;
_max = min;
}
else
{
_min = min;
_max = max;
}
if (p > _max)
p = _max;
else if (p < _min)
p = _min;
Encoder::write(p * 4);
}
int32_t read_min(void)
{
return (_min);
}
int32_t read_max(void)
{
return (_max);
}
private:
int32_t _min;
int32_t _max;
bool _wrap_around;
};
#endif