machines/projects/pid-controller/firmware/components/3PosAnalog.h
2023-11-12 21:43:05 +01:00

81 lines
1.4 KiB
C++

#ifndef POS3_ANALOG_H
#define POS3_ANALOG_H
#include <Arduino.h>
#include "../enums.h"
#include "../common/ppmath.h"
class Pos3Analog
{
public:
Pos3Analog(short _upPin, short _downPin) : upPin(_upPin), downPin(_downPin)
{
}
short setup()
{
pinMode(upPin, INPUT_PULLUP);
pinMode(downPin, INPUT_PULLUP);
last_switch = loop();
return 0;
}
short loop()
{
uchar newDirection = this->read();
if (newDirection != this->switch_pos)
{
this->last_switch = this->switch_pos;
}
this->switch_pos = newDirection;
return this->switch_pos;
}
short last_switch = -1; // Track last switch position
short switch_pos = -1; // Current switch position
short upPin;
short downPin;
private:
uchar read()
{
bool up = RANGE(analogRead(upPin), 240, 260);
bool down = RANGE(analogRead(downPin), 240, 260);
uchar newDirection = 0;
if (up)
{
newDirection = POS3_DIRECTION::UP;
}
if (down)
{
newDirection = POS3_DIRECTION::DOWN;
}
if (!up && !down)
{
newDirection = POS3_DIRECTION::MIDDLE;
}
if (up && down)
{
newDirection = POS3_DIRECTION::INVALID;
}
return newDirection;
}
bool changed()
{
return last_switch != switch_pos;
}
bool clear()
{
return last_switch = switch_pos;
}
};
#endif