Trait SckPin
gd32vf103_hal::spi
pub trait SckPin<SPI>: Sealed { }
impl SckPin<SPI0> for PA5<Alternate<PushPull>>
impl SckPin<SPI1> for PB13<Alternate<PushPull>>
impl SckPin<SPI2> for PB3<Alternate<PushPull>>