API fixes

va416xx-hal/src/uart.rs

@@ -305,10 +305,14 @@ pub struct Uart<UartInstance, Pins> {
     pins: Pins,
 }
 
-/// Serial receiver
+/// Serial receiver.
+///
+/// Can be created by using the [Uart::split] or [UartBase::split] API.
 pub struct Rx<Uart>(Uart);
 
 /// Serial transmitter
+///
+/// Can be created by using the [Uart::split] or [UartBase::split] API.
 pub struct Tx<Uart>(Uart);
 
 impl<Uart: Instance> Rx<Uart> {
@@ -677,6 +681,29 @@ pub struct IrqUartError {
 }
 
 impl IrqUartError {
+    #[inline(always)]
+    pub fn overflow(&self) -> bool {
+        self.overflow
+    }
+
+    #[inline(always)]
+    pub fn framing(&self) -> bool {
+        self.framing
+    }
+
+    #[inline(always)]
+    pub fn parity(&self) -> bool {
+        self.parity
+    }
+
+    #[inline(always)]
+    pub fn other(&self) -> bool {
+        self.other
+    }
+}
+
+impl IrqUartError {
+    #[inline(always)]
     pub fn error(&self) -> bool {
         self.overflow || self.framing || self.parity
     }