int plus = accel_cal_plus(pad_orientation);
int minus = accel_cal_minus(pad_orientation);
if (plus != AltosLib.MISSING && minus != AltosLib.MISSING) {
+ if (plus < 0)
+ plus = 65536 + plus;
+ if (minus < 0)
+ minus = 65536 + minus;
if (accel_zero_along != AltosLib.MISSING &&
accel_zero_across != AltosLib.MISSING &&
accel_zero_through != AltosLib.MISSING)