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Update uart implementation of embedded-hal 1.x to 1.0.0-alpha.6

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This commit is contained in:
Jan Niehusmann 2021-11-19 22:34:00 +00:00
parent 1294f556e9
commit 9a018ac359
1 changed files with 38 additions and 2 deletions
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40
rp2040-hal/src/uart.rs
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@ -82,6 +82,18 @@ pub enum ReadErrorType {
Framing,
}
#[cfg(feature = "eh1_0_alpha")]
impl eh1_0_alpha::serial::Error for ReadErrorType {
fn kind(&self) -> eh1_0_alpha::serial::ErrorKind {
match self {
ReadErrorType::Overrun => eh1_0_alpha::serial::ErrorKind::Overrun,
ReadErrorType::Break => eh1_0_alpha::serial::ErrorKind::Other,
ReadErrorType::Parity => eh1_0_alpha::serial::ErrorKind::Parity,
ReadErrorType::Framing => eh1_0_alpha::serial::ErrorKind::FrameFormat,
}
}
}
/// State of the UART Peripheral.
pub trait State {}
@ -516,6 +528,27 @@ impl<D: UartDevice> eh1::Read<u8> for UartPeripheral<Enabled, D> {
}
}
/// Same as core::convert::Infallible, but implementing spi::Error
///
/// For eh 1.0.0-alpha.6, Infallible doesn't implement spi::Error,
/// so use a locally defined type instead.
#[cfg(feature = "eh1_0_alpha")]
pub enum SerialInfallible {}
#[cfg(feature = "eh1_0_alpha")]
impl core::fmt::Debug for SerialInfallible {
fn fmt(&self, _f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
match *self {}
}
}
#[cfg(feature = "eh1_0_alpha")]
impl eh1_0_alpha::serial::Error for SerialInfallible {
fn kind(&self) -> eh1_0_alpha::serial::ErrorKind {
match *self {}
}
}
impl<D: UartDevice> Write<u8> for UartPeripheral<Enabled, D> {
type Error = Infallible;
@ -534,7 +567,7 @@ impl<D: UartDevice> Write<u8> for UartPeripheral<Enabled, D> {
#[cfg(feature = "eh1_0_alpha")]
impl<D: UartDevice> eh1::Write<u8> for UartPeripheral<Enabled, D> {
type Error = Infallible;
type Error = SerialInfallible;
fn write(&mut self, word: u8) -> nb::Result<(), Self::Error> {
if self.write_raw(&[word]).is_err() {
@ -545,7 +578,10 @@ impl<D: UartDevice> eh1::Write<u8> for UartPeripheral<Enabled, D> {
}
fn flush(&mut self) -> nb::Result<(), Self::Error> {
self.transmit_flushed()
self.transmit_flushed().map_err(|e| match e {
WouldBlock => WouldBlock,
Other(v) => match v {},
})
}
}