Add RS485 support

Author: Brandon Matthews

Cargo.toml

@@ -6,7 +6,7 @@ keywords = ["arm", "cortex-m", "stm32l0x1", "hal"]
 license = "0BSD"
 name = "stm32l0x1-hal"
 repository = "https://github.com/thenewwazoo/stm32l0x1-hal/"
-version = "0.6.2"
+version = "0.6.3"
 
 [dependencies]
 cortex-m = "0.5"

src/adc.rs

@@ -194,9 +194,15 @@ impl ScanDir for ScanDown {
 
 macro_rules! adc_pin {
     ($PXi:ident, $i:expr) => {
-        impl<RES, MODE> Channel<Adc<RES, MODE>> for $PXi<Analog> where MODE: RunMode, RES: Resolution {
+        impl<RES, MODE> Channel<Adc<RES, MODE>> for $PXi<Analog>
+        where
+            MODE: RunMode,
+            RES: Resolution,
+        {
             type ID = u8;
-            fn channel() -> u8 { $i }
+            fn channel() -> u8 {
+                $i
+            }
         }
     };
 }

src/rcc/clocking.rs

@@ -19,7 +19,7 @@ mod private {
 }
 
 /// Types of clocks that have a frequency
-pub trait ClkSrc : private::Sealed {
+pub trait ClkSrc: private::Sealed {
     /// Returns the frequency of the clock, if the clock exists, else `None`.
     fn freq(&self) -> Option<Hertz>;
 }