Struct embassy_rp::i2c::I2c

pub struct I2c<'d, T: Instance, M: Mode> { /* private fields */ }

I2C driver.

Implementations

impl<'d, T: Instance> I2c<'d, T, Blocking>

pub fn new_blocking( peri: impl Peripheral<P = T> + 'd, scl: impl Peripheral<P = impl SclPin<T>> + 'd, sda: impl Peripheral<P = impl SdaPin<T>> + 'd, config: Config ) -> Self

Create a new driver instance in blocking mode.

impl<'d, T: Instance> I2c<'d, T, Async>

pub fn new_async( peri: impl Peripheral<P = T> + 'd, scl: impl Peripheral<P = impl SclPin<T>> + 'd, sda: impl Peripheral<P = impl SdaPin<T>> + 'd, _irq: impl Binding<T::Interrupt, InterruptHandler<T>>, config: Config ) -> Self

Create a new driver instance in async mode.

pub async fn read_async( &mut self, addr: u16, buffer: &mut [u8] ) -> Result<(), Error>

Read from address into buffer using DMA.

pub async fn write_async( &mut self, addr: u16, bytes: impl IntoIterator<Item = u8> ) -> Result<(), Error>

Write to address from buffer using DMA.

pub async fn write_read_async( &mut self, addr: u16, bytes: impl IntoIterator<Item = u8>, buffer: &mut [u8] ) -> Result<(), Error>

Write to address from bytes and read from address into buffer using DMA.

impl<'d, T: Instance + 'd, M: Mode> I2c<'d, T, M>

pub fn blocking_read( &mut self, address: u8, read: &mut [u8] ) -> Result<(), Error>

Read from address into buffer blocking caller until done.

pub fn blocking_write(&mut self, address: u8, write: &[u8]) -> Result<(), Error>

Write to address from buffer blocking caller until done.

pub fn blocking_write_read( &mut self, address: u8, write: &[u8], read: &mut [u8] ) -> Result<(), Error>

Write to address from bytes and read from address into buffer blocking caller until done.

Trait Implementations

impl<'d, T: Instance, M: Mode> ErrorType for I2c<'d, T, M>

type Error = Error

Error type

impl<'d, A, T> I2c<A> for I2c<'d, T, Async>

where A: AddressMode + Into<u16> + 'static, T: Instance + 'd,

async fn read(&mut self, address: A, read: &mut [u8]) -> Result<(), Self::Error>

Reads enough bytes from slave with address to fill buffer.

async fn write(&mut self, address: A, write: &[u8]) -> Result<(), Self::Error>

Writes bytes to slave with address address.

async fn write_read( &mut self, address: A, write: &[u8], read: &mut [u8] ) -> Result<(), Self::Error>

Writes bytes to slave with address address and then reads enough bytes to fill read in a single transaction.

async fn transaction( &mut self, address: A, operations: &mut [Operation<'_>] ) -> Result<(), Self::Error>

Execute the provided operations on the I2C bus as a single transaction.

impl<'d, T: Instance, M: Mode> I2c for I2c<'d, T, M>

fn read(&mut self, address: u8, read: &mut [u8]) -> Result<(), Self::Error>

Reads enough bytes from slave with address to fill read.

fn write(&mut self, address: u8, write: &[u8]) -> Result<(), Self::Error>

Writes bytes to slave with address address.

fn write_read( &mut self, address: u8, write: &[u8], read: &mut [u8] ) -> Result<(), Self::Error>

Writes bytes to slave with address address and then reads enough bytes to fill read in a single transaction.

fn transaction( &mut self, address: u8, operations: &mut [Operation<'_>] ) -> Result<(), Self::Error>

Execute the provided operations on the I2C bus.

impl<'d, T: Instance, M: Mode> SetConfig for I2c<'d, T, M>

type Config = Config

The configuration type used by this driver.

type ConfigError = ConfigError

The error type that can occur if set_config fails.

fn set_config(&mut self, config: &Self::Config) -> Result<(), Self::ConfigError>

Set the configuration of the driver.

impl<'d, T: Instance, M: Mode> Transactional for I2c<'d, T, M>

type Error = Error

Error type

fn exec( &mut self, address: u8, operations: &mut [Operation<'_>] ) -> Result<(), Self::Error>

Execute the provided operations on the I2C bus.

impl<'d, T: Instance, M: Mode> Read for I2c<'d, T, M>

type Error = Error

Error type

fn read(&mut self, address: u8, buffer: &mut [u8]) -> Result<(), Self::Error>

Reads enough bytes from slave with address to fill buffer

impl<'d, T: Instance, M: Mode> Write for I2c<'d, T, M>

type Error = Error

Error type

fn write(&mut self, address: u8, bytes: &[u8]) -> Result<(), Self::Error>

Writes bytes to slave with address address

impl<'d, T: Instance, M: Mode> WriteRead for I2c<'d, T, M>

type Error = Error

Error type

fn write_read( &mut self, address: u8, bytes: &[u8], buffer: &mut [u8] ) -> Result<(), Self::Error>

Writes bytes to slave with address address and then reads enough bytes to fill buffer in a single transaction