pin release flow

Author: dotcypress

src/rcc/clockout.rs

@@ -20,7 +20,7 @@ impl Lsco {
     }
 
     pub fn release(self) -> LscoPin {
-        self.pin.into()
+        self.pin.into_analog()
     }
 }
 

src/spi.rs

@@ -30,14 +30,17 @@ pub trait Pins<SPI> {
 
 pub trait PinSck<SPI> {
     fn setup(&self);
+    fn release(self) -> Self;
 }
 
 pub trait PinMiso<SPI> {
     fn setup(&self);
+    fn release(self) -> Self;
 }
 
 pub trait PinMosi<SPI> {
     fn setup(&self);
+    fn release(self) -> Self;
 }
 
 impl<SPI, SCK, MISO, MOSI> Pins<SPI> for (SCK, MISO, MOSI)
@@ -53,7 +56,7 @@ where
     }
 
     fn release(self) -> Self {
-        (self.0.into(), self.1.into(), self.2.into())
+        (self.0.release(), self.1.release(), self.2.release())
     }
 }
 
@@ -78,35 +81,59 @@ macro_rules! spi {
     ) => {
         impl PinSck<$SPIX> for NoSck {
             fn setup(&self) {}
+
+            fn release(self) -> Self {
+                self
+            }
         }
 
         impl PinMiso<$SPIX> for NoMiso {
             fn setup(&self) {}
+
+            fn release(self) -> Self {
+                self
+            }
         }
 
         impl PinMosi<$SPIX> for NoMosi {
             fn setup(&self) {}
+
+            fn release(self) -> Self {
+                self
+            }
         }
 
         $(
             impl PinSck<$SPIX> for $SCK {
                 fn setup(&self) {
                     self.set_alt_mode($SCK_AF);
                 }
+
+                fn release(self) -> Self {
+                    self.into()
+                }
             }
         )*
         $(
             impl PinMiso<$SPIX> for $MISO {
                 fn setup(&self) {
                     self.set_alt_mode($MISO_AF);
                 }
+
+                fn release(self) -> Self {
+                    self.into()
+                }
             }
         )*
         $(
             impl PinMosi<$SPIX> for $MOSI {
                 fn setup(&self) {
                     self.set_alt_mode($MOSI_AF);
                 }
+
+                fn release(self) -> Self {
+                    self.into()
+                }
             }
         )*