Add conversions between DataBits, StopBits and their numeric represen…

…tation

CHANGELOG.md

@@ -7,6 +7,7 @@ project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 ### Added
+* Added conversions between `DataBits`, `StopBits` types and their numeric representations
 ### Changed
 ### Fixed
 * Fixes a bug where `available_ports()` returned disabled devices on Windows.

src/lib.rs

@@ -160,6 +160,31 @@ impl fmt::Display for DataBits {
     }
 }
 
+impl From<DataBits> for u8 {
+    fn from(value: DataBits) -> Self {
+        match value {
+            DataBits::Five => 5,
+            DataBits::Six => 6,
+            DataBits::Seven => 7,
+            DataBits::Eight => 8,
+        }
+    }
+}
+
+impl TryFrom<u8> for DataBits {
+    type Error = ();
+
+    fn try_from(value: u8) -> core::result::Result<Self, Self::Error> {
+        match value {
+            5 => Ok(Self::Five),
+            6 => Ok(Self::Six),
+            7 => Ok(Self::Seven),
+            8 => Ok(Self::Eight),
+            _ => Err(()),
+        }
+    }
+}
+
 /// Parity checking modes
 ///
 /// When parity checking is enabled (`Odd` or `Even`) an extra bit is transmitted with
@@ -214,6 +239,27 @@ impl fmt::Display for StopBits {
     }
 }
 
+impl From<StopBits> for u8 {
+    fn from(value: StopBits) -> Self {
+        match value {
+            StopBits::One => 1,
+            StopBits::Two => 2,
+        }
+    }
+}
+
+impl TryFrom<u8> for StopBits {
+    type Error = ();
+
+    fn try_from(value: u8) -> core::result::Result<Self, Self::Error> {
+        match value {
+            1 => Ok(Self::One),
+            2 => Ok(Self::Two),
+            _ => Err(()),
+        }
+    }
+}
+
 /// Flow control modes
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]