serial

Author: burrbull

src/serial.rs

@@ -75,6 +75,7 @@ use crate::rcc::{BusClock, Clocks, Enable, Reset};
 use crate::time::{Bps, U32Ext};
 
 mod hal_02;
+mod hal_1;
 
 // USART REMAPPING, see: https://www.st.com/content/ccc/resource/technical/document/reference_manual/59/b9/ba/7f/11/af/43/d5/CD00171190.pdf/files/CD00171190.pdf/jcr:content/translations/en.CD00171190.pdf
 // Section 9.3.8
@@ -134,18 +135,7 @@ inst! {
 }
 
 /// Serial error
-#[derive(Debug)]
-#[non_exhaustive]
-pub enum Error {
-    /// Framing error
-    Framing,
-    /// Noise error
-    Noise,
-    /// RX buffer overrun
-    Overrun,
-    /// Parity check error
-    Parity,
-}
+pub use embedded_hal_one::serial::ErrorKind as Error;
 
 pub enum WordLength {
     /// When parity is enabled, a word has 7 data bits + 1 parity bit,
@@ -514,7 +504,7 @@ impl<USART: Instance> Rx<USART> {
         let err = if sr.pe().bit_is_set() {
             Some(Error::Parity)
         } else if sr.fe().bit_is_set() {
-            Some(Error::Framing)
+            Some(Error::FrameFormat)
         } else if sr.ne().bit_is_set() {
             Some(Error::Noise)
         } else if sr.ore().bit_is_set() {

src/serial/hal_1.rs

@@ -0,0 +1,128 @@
+use super::*;
+use embedded_hal_one::{serial::blocking, serial::nb as serial, serial::ErrorType};
+
+impl<USART: Instance> ErrorType for Tx<USART> {
+    type Error = Infallible;
+}
+
+impl<USART: Instance> ErrorType for Rx<USART> {
+    type Error = Error;
+}
+
+impl<USART: Instance, PINS> ErrorType for Serial<USART, PINS> {
+    type Error = Error;
+}
+
+impl<USART: Instance> serial::Write<u8> for Tx<USART> {
+    fn write(&mut self, word: u8) -> nb::Result<(), Self::Error> {
+        self.write(word)
+    }
+
+    fn flush(&mut self) -> nb::Result<(), Self::Error> {
+        self.flush()
+    }
+}
+
+impl<USART: Instance> serial::Write<u16> for Tx<USART> {
+    fn write(&mut self, word: u16) -> nb::Result<(), Self::Error> {
+        self.write_u16(word)
+    }
+
+    fn flush(&mut self) -> nb::Result<(), Self::Error> {
+        self.flush()
+    }
+}
+
+impl<USART: Instance> serial::Read<u8> for Rx<USART> {
+    fn read(&mut self) -> nb::Result<u8, Self::Error> {
+        self.read()
+    }
+}
+
+impl<USART: Instance> serial::Read<u16> for Rx<USART> {
+    fn read(&mut self) -> nb::Result<u16, Self::Error> {
+        self.read_u16()
+    }
+}
+
+impl<USART: Instance, PINS> serial::Write<u8> for Serial<USART, PINS> {
+    fn write(&mut self, word: u8) -> nb::Result<(), Self::Error> {
+        self.tx.write(word).unwrap();
+        Ok(())
+    }
+
+    fn flush(&mut self) -> nb::Result<(), Self::Error> {
+        self.tx.flush().unwrap();
+        Ok(())
+    }
+}
+
+impl<USART: Instance, PINS> serial::Write<u16> for Serial<USART, PINS> {
+    fn write(&mut self, word: u16) -> nb::Result<(), Self::Error> {
+        self.tx.write_u16(word).unwrap();
+        Ok(())
+    }
+
+    fn flush(&mut self) -> nb::Result<(), Self::Error> {
+        self.tx.flush().unwrap();
+        Ok(())
+    }
+}
+
+impl<USART: Instance, PINS> serial::Read<u8> for Serial<USART, PINS> {
+    fn read(&mut self) -> nb::Result<u8, Error> {
+        self.rx.read()
+    }
+}
+
+impl<USART: Instance, PINS> serial::Read<u16> for Serial<USART, PINS> {
+    fn read(&mut self) -> nb::Result<u16, Error> {
+        self.rx.read_u16()
+    }
+}
+
+// Blocking
+
+impl<USART: Instance> blocking::Write<u8> for Tx<USART> {
+    fn write(&mut self, buffer: &[u8]) -> Result<(), Self::Error> {
+        self.bwrite_all(buffer)
+    }
+
+    fn flush(&mut self) -> Result<(), Self::Error> {
+        self.bflush()
+    }
+}
+
+impl<USART: Instance> blocking::Write<u16> for Tx<USART> {
+    fn write(&mut self, buffer: &[u16]) -> Result<(), Self::Error> {
+        self.bwrite_all_u16(buffer)
+    }
+
+    fn flush(&mut self) -> Result<(), Self::Error> {
+        self.bflush()
+    }
+}
+
+impl<USART: Instance, PINS> blocking::Write<u8> for Serial<USART, PINS> {
+    fn write(&mut self, buffer: &[u8]) -> Result<(), Self::Error> {
+        self.tx.bwrite_all(buffer).unwrap();
+        Ok(())
+    }
+
+    fn flush(&mut self) -> Result<(), Self::Error> {
+        self.tx.bflush().unwrap();
+        Ok(())
+    }
+}
+
+impl<USART: Instance, PINS> blocking::Write<u16> for Serial<USART, PINS> {
+    fn write(&mut self, buffer: &[u16]) -> Result<(), Self::Error> {
+        self.tx.bwrite_all_u16(buffer).unwrap();
+        Ok(())
+    }
+
+    fn flush(&mut self) -> Result<(), Self::Error> {
+        self.tx.bflush().unwrap();
+        Ok(())
+    }
+}