From 5d665608cb72794763055fb0b83592c088ce4cdb Mon Sep 17 00:00:00 2001
From: Djordje Nedic <nedic.djordje2@gmail.com>
Date: Thu, 15 Feb 2024 12:38:23 +0100
Subject: [PATCH] Add conversions between DataBits, StopBits and their numeric
 representation

---
 CHANGELOG.md |  1 +
 src/lib.rs   | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79ededc9..13b25a8a 100644
--- a/CHANGELOG.md
+++ b/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.
diff --git a/src/lib.rs b/src/lib.rs
index 27326248..47ecffbd 100644
--- a/src/lib.rs
+++ b/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))]