Function pamoja_quadrature_update 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_quadrature_update(
    quadrature: *mut PamojaQuadrature,
    a: bool,
    b: bool,
) -> i8

Feeds a quadrature decoder the channel levels it reads now.

Returns

1 or -1 for a step in either direction, and 0 for no change, a jump past a step, or a null quadrature.

Safety

quadrature must be a live handle from pamoja_quadrature_new, or null.