SPI NoPin

Author: burrbull

src/spi.rs

@@ -133,7 +133,14 @@ pub enum Error {
 
 use core::marker::PhantomData;
 
+#[allow(non_upper_case_globals)]
 pub trait SpiExt: Sized + Instance {
+    const NoSck: Option<Self::MSck> = None;
+    const NoMiso: Option<Self::Mi<Floating>> = None;
+    const NoMosi: Option<Self::Mo> = None;
+    const NoSSck: Option<Self::SSck> = None;
+    const NoSo: Option<Self::So<PushPull>> = None;
+    const NoSi: Option<Self::Si<Floating>> = None;
     fn spi<PULL: UpMode>(
         self,
         pins: (