Add Mark and Space variants to Parity enum

Author: YgorSouza

CHANGELOG.md

@@ -9,6 +9,7 @@ project adheres to [Semantic Versioning](https://semver.org/).
 ### Added
 * Added conversions between `DataBits`, `StopBits` types and their numeric representations
 * Added `FromStr` implementation for `FlowControl`
+* Added `Mark` and `Space` variants to `Parity` enum
 ### Changed
 ### Fixed
 * Fixes a bug where `available_ports()` returned disabled devices on Windows.

src/lib.rs

@@ -204,6 +204,16 @@ pub enum Parity {
 
     /// Parity bit sets even number of 1 bits.
     Even,
+
+    /// Parity bit is set to 1.
+    ///
+    /// Only supported on Windows and Linux.
+    Mark,
+
+    /// Parity bit is set to 0.
+    ///
+    /// Only supported on Windows and Linux.
+    Space,
 }
 
 impl fmt::Display for Parity {
@@ -212,6 +222,8 @@ impl fmt::Display for Parity {
             Parity::None => write!(f, "None"),
             Parity::Odd => write!(f, "Odd"),
             Parity::Even => write!(f, "Even"),
+            Parity::Mark => write!(f, "Mark"),
+            Parity::Space => write!(f, "Space"),
         }
     }
 }

src/posix/termios.rs

@@ -163,6 +163,26 @@ pub(crate) fn set_parity(termios: &mut Termios, parity: Parity) {
             termios.c_iflag |= libc::INPCK;
             termios.c_iflag &= !libc::IGNPAR;
         }
+        Parity::Mark => {
+            termios.c_cflag |= libc::PARODD;
+            termios.c_cflag |= libc::PARENB;
+            termios.c_iflag |= libc::INPCK;
+            termios.c_iflag &= !libc::IGNPAR;
+            #[cfg(any(target_os = "linux", target_os = "android"))]
+            {
+                termios.c_iflag |= libc::CMSPAR;
+            }
+        }
+        Parity::Space => {
+            termios.c_cflag &= !libc::PARODD;
+            termios.c_cflag |= libc::PARENB;
+            termios.c_iflag |= libc::INPCK;
+            termios.c_iflag &= !libc::IGNPAR;
+            #[cfg(any(target_os = "linux", target_os = "android"))]
+            {
+                termios.c_iflag |= libc::CMSPAR;
+            }
+        }
     };
 }
 

src/windows/com.rs

@@ -314,6 +314,8 @@ impl SerialPort for COMPort {
         match dcb.Parity {
             ODDPARITY => Ok(Parity::Odd),
             EVENPARITY => Ok(Parity::Even),
+            MARKPARITY => Ok(Parity::Mark),
+            SPACEPARITY => Ok(Parity::Space),
             NOPARITY => Ok(Parity::None),
             _ => Err(Error::new(
                 ErrorKind::Unknown,

src/windows/dcb.rs

@@ -81,6 +81,8 @@ pub(crate) fn set_parity(dcb: &mut DCB, parity: Parity) {
         Parity::None => NOPARITY,
         Parity::Odd => ODDPARITY,
         Parity::Even => EVENPARITY,
+        Parity::Mark => MARKPARITY,
+        Parity::Space => SPACEPARITY,
     };
 
     dcb.set_fParity(if parity == Parity::None { FALSE } else { TRUE } as DWORD);