private int v_batt() { return data16(2); }
private int accel() { return data16(4); }
private int accel_across() { return data16(6); }
- private int accel_along() { return data16(8); }
+ private int accel_along() { return -data16(8); }
private int accel_through() { return data16(10); }
private int imu_type() {