Function cantact::c::cantact_set_hw_loopback

#[no_mangle]pub unsafe extern "C" fn cantact_set_hw_loopback(
    ptr: *mut CInterface, 
    channel: u8, 
    enabled: u8
) -> i32

Enable or disable hardware loopback for a channel. This will cause sent frames to be received. This mode is mostly intended for device testing.