Struct AnySpi 

pub struct AnySpi<'d>(/* private fields */);

Any SPI peripheral.

A type-erased version of a peripheral singleton. Useful for creating arrays of peripherals, or avoiding generics. Peripheral singletons can be type erased by using their From implementation.

let any_peripheral = AnySpi::from(peripheral);

Implementations

impl AnySpi<'_>

pub unsafe fn clone_unchecked(&self) -> Self

Unsafely clone this peripheral reference.

Safety

The caller must ensure that only one instance of this type is used at a time.

pub fn reborrow(&mut self) -> AnySpi<'_>

Creates a new peripheral reference with a shorter lifetime.

Use this method to keep working with the peripheral after dropping the driver that consumes this.

See Peripheral singleton section for more information.

pub fn downcast<P>(self) -> Result<P, Self>

where Self: TryInto<P, Error = Self>,

Attempts to downcast the pin into the underlying peripheral instance.

Example

// let peri0 = peripherals.PERI0;
// let peri1 = peripherals.PERI1;
let any_peri0 = AnyPeripheral::from(peri0);
let any_peri1 = AnyPeripheral::from(peri1);

let uart0 = any_peri0
    .downcast::<PERI0>()
    .expect("This downcast succeeds because AnyPeripheral was created from Peri0");
let uart0 = any_peri1
    .downcast::<PERI0>()
    .expect_err("This AnyPeripheral was created from Peri1, it cannot be downcast to Peri0");

Trait Implementations

impl<'d> Debug for AnySpi<'d>

Available on crate feature unstable only.

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'d> DmaEligiblePeripheral<AhbGdmaChannel<'d>> for AnySpi<'d>

Available on crate feature unstable only.

fn dma_peripheral(&self) -> DmaPeripheral

Returns the DmaPeripheral ID for runtime compatibility checks.

impl<'d> From<SPI2<'d>> for AnySpi<'d>

Available on crate feature unstable only.

fn from(inner: SPI2<'d>) -> Self

Converts to this type from the input type.

impl Instance for AnySpi<'_>

Available on crate feature unstable only.

impl<'d> SpiSlaveDmaChannel<'d, AnySpi<'d>> for DMA_CH0<'d>

Available on crate feature unstable only.

impl<'d> TryFrom<AnySpi<'d>> for SPI2<'d>

Available on crate feature unstable only.

type Error = AnySpi<'d>

The type returned in the event of a conversion error.

fn try_from(any: AnySpi<'d>) -> Result<Self, AnySpi<'d>>

Performs the conversion.