use bitfield::bitfield;
bitfield! {
pub struct GpioExtPortA(u32);
impl Debug;
fpo, _: 11;
pub cdp, _: 10;
pub nsp, _: 9;
pub ncp, _: 8;
pub prd, _: 7;
pub pre, _: 6;
pub prr, _: 5;
pub ccd, _: 4;
pub crc, _: 3;
pub id, _: 2;
pub cd, _: 1;
pub ns, _: 0;
}