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pub trait Transfer<W> {
type Error;
fn transfer<'w>(&mut self, words: &'w mut [W]) -> Result<&'w [W], Self::Error>;
}
pub trait Write<W> {
type Error;
fn write(&mut self, words: &[W]) -> Result<(), Self::Error>;
}
pub mod transfer {
pub trait Default<W>: ::spi::FullDuplex<W> {}
impl<W, S> ::blocking::spi::Transfer<W> for S
where
S: Default<W>,
W: Clone,
{
type Error = S::Error;
fn transfer<'w>(&mut self, words: &'w mut [W]) -> Result<&'w [W], S::Error> {
for word in words.iter_mut() {
block!(self.send(word.clone()))?;
*word = block!(self.read())?;
}
Ok(words)
}
}
}
pub mod write {
pub trait Default<W>: ::spi::FullDuplex<W> {}
impl<W, S> ::blocking::spi::Write<W> for S
where
S: Default<W>,
W: Clone,
{
type Error = S::Error;
fn write(&mut self, words: &[W]) -> Result<(), S::Error> {
for word in words {
block!(self.send(word.clone()))?;
block!(self.read())?;
}
Ok(())
}
}
}