Struct PanicOnRead

pub struct PanicOnRead<T: ErrorType>(/* private fields */);

Wrapper type around a Spi that allows using embedded_hal::spi::SpiBus even though it only has TX capability. Will panic if any write-adjacent method is used (ie, read, transfer, and transfer_in_place).

Also implements Into<Spi>, AsRef<Spi> and AsMut<Spi> if you need to use Spi methods.

Trait Implementations

impl<C: ValidConfig, R, T> AsMut<Spi<C, Tx, R, T>> for PanicOnRead<Spi<C, Tx, R, T>>

fn as_mut(&mut self) -> &mut Spi<C, Tx, R, T>

Converts this type into a mutable reference of the (usually inferred) input type.

impl<C: ValidConfig, R, T> AsRef<Spi<C, Tx, R, T>> for PanicOnRead<Spi<C, Tx, R, T>>

fn as_ref(&self) -> &Spi<C, Tx, R, T>

Converts this type into a shared reference of the (usually inferred) input type.

impl<T: ErrorType> ErrorType for PanicOnRead<T>

type Error = <T as ErrorType>::Error

Error type.

impl<C: ValidConfig, R, T> From<PanicOnRead<Spi<C, Tx, R, T>>> for Spi<C, Tx, R, T>

fn from(value: PanicOnRead<Spi<C, Tx, R, T>>) -> Self

Converts to this type from the input type.

impl<P, M, C> SpiBus<<C as CharSize>::Word> for PanicOnRead<Spi<Config<P, M, C>, Tx>>

where Config<P, M, C>: ValidConfig<OpMode = M>, P: ValidPads, M: MasterMode, C: Size + 'static, C::Word: PrimInt + AsPrimitive<DataWidth> + Copy, DataWidth: AsPrimitive<C::Word>,

SpiBus implementation for PanicOnRead using word-by-word transfers

fn read(&mut self, _words: &mut [Word<C>]) -> Result<(), Self::Error>

Read words from the slave.

fn write(&mut self, words: &[Word<C>]) -> Result<(), Self::Error>

Write words to the slave, ignoring all the incoming words.

fn transfer( &mut self, _read: &mut [Word<C>], _write: &[Word<C>], ) -> Result<(), Self::Error>

Write and read simultaneously. write is written to the slave on MOSI and words received on MISO are stored in read.

fn transfer_in_place( &mut self, _words: &mut [Word<C>], ) -> Result<(), Self::Error>

Write and read simultaneously. The contents of words are written to the slave, and the received words are stored into the same words buffer, overwriting it.

fn flush(&mut self) -> Result<(), Self::Error>

Wait until all operations have completed and the bus is idle.

impl<P, M, C, T, S> SpiBus<<C as CharSize>::Word> for PanicOnRead<Spi<Config<P, M, C>, Tx, NoneT, T>>

where Config<P, M, C>: ValidConfig<Sercom = S, OpMode = M>, P: ValidPads, M: MasterMode, C: Size + 'static, C::Word: PrimInt + AsPrimitive<DataWidth> + Beat, S: Sercom, DataWidth: AsPrimitive<C::Word>, T: AnyChannel<Status = Ready>,

SpiBus implementation for PanicOnRead using DMA transfers

fn read(&mut self, _words: &mut [Word<C>]) -> Result<(), Self::Error>

Read words from the slave.

fn write(&mut self, words: &[Word<C>]) -> Result<(), Self::Error>

Write words to the slave, ignoring all the incoming words.

fn transfer( &mut self, _read: &mut [Word<C>], _write: &[Word<C>], ) -> Result<(), Self::Error>

Write and read simultaneously. write is written to the slave on MOSI and words received on MISO are stored in read.

fn transfer_in_place( &mut self, _words: &mut [Word<C>], ) -> Result<(), Self::Error>

Write and read simultaneously. The contents of words are written to the slave, and the received words are stored into the same words buffer, overwriting it.

fn flush(&mut self) -> Result<(), Self::Error>

Wait until all operations have completed and the bus is idle.