Struct I2c 

pub struct I2c<I2C> { /* private fields */ }

An I2C driver for the PIC32.

Contains primitives transmit(), receive(), rstart(), stop() that can be called one after another to build a complex I2C transaction. A Transaction must be started with transmit() and concluded with stop()

Implementations

impl I2c<I2C1>

pub fn i2c1(i2c: I2C1, pb_clock: Hertz, fscl: Fscl) -> I2c<I2C1>

Create a new I2C object

pub fn free(self) -> I2C1

Destroy I2C object and return i2c HAL object

impl I2c<I2C2>

pub fn i2c2(i2c: I2C2, pb_clock: Hertz, fscl: Fscl) -> I2c<I2C2>

Create a new I2C object

pub fn free(self) -> I2C2

Destroy I2C object and return i2c HAL object

Trait Implementations

impl ErrorType for I2c<I2C1>

type Error = Error

Error type

impl ErrorType for I2c<I2C2>

type Error = Error

Error type

impl I2c for I2c<I2C1>

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

Execute the provided operations on the I2C bus.

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

Reads enough bytes from slave with address to fill read.

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

Writes bytes to slave with address address.

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.

impl I2c for I2c<I2C2>

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

Execute the provided operations on the I2C bus.

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

Reads enough bytes from slave with address to fill read.

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

Writes bytes to slave with address address.

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.

impl Ops for I2c<I2C1>

fn transmit(&mut self, data: &[u8]) -> Result<(), Error>

Transmit data over the bus. Generate a START condition if called first during a transaction.

unsafe fn transmit_dma<D: Ops>( &mut self, dma: &mut D, addr: PhysicalAddress, len: usize, ) -> Result<(), Error>

Initiate DMA transmission

fn start(&mut self)

Generate a start or repeated start condition.

fn stop(&mut self)

Generate a stop condition and terminate the I2C transaction

fn receive(&mut self, data: &mut [u8], nack_last: bool) -> Result<(), Error>

Receive data.len() bytes.

impl Ops for I2c<I2C2>

fn transmit(&mut self, data: &[u8]) -> Result<(), Error>

Transmit data over the bus. Generate a START condition if called first during a transaction.

unsafe fn transmit_dma<D: Ops>( &mut self, dma: &mut D, addr: PhysicalAddress, len: usize, ) -> Result<(), Error>

Initiate DMA transmission

fn start(&mut self)

Generate a start or repeated start condition.

fn stop(&mut self)

Generate a stop condition and terminate the I2C transaction

fn receive(&mut self, data: &mut [u8], nack_last: bool) -> Result<(), Error>

Receive data.len() bytes.

impl Read for I2c<I2C1>

type Error = Error

Error type

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

Reads enough bytes from slave with address to fill buffer

impl Read for I2c<I2C2>

type Error = Error

Error type

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

Reads enough bytes from slave with address to fill buffer

impl Write for I2c<I2C1>

type Error = Error

Error type

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

Writes bytes to slave with address address

impl Write for I2c<I2C2>

type Error = Error

Error type

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

Writes bytes to slave with address address

impl WriteRead for I2c<I2C1>

type Error = Error

Error type

fn write_read( &mut self, addr: 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

impl WriteRead for I2c<I2C2>

type Error = Error

Error type

fn write_read( &mut self, addr: 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