Synopsys:
#include <QuadratureReader.h>
QuadratureReader reader(1, 2);
.
.
void loop()
{
int direction = reader.delta();
}
Methods:
QuadratureReader(int pin1, int pin2);
Constructor, use pin1 and pin2 as digital inputs.
int delta();
Poll and return delta value: -1, 0 or 1