Struct Pca9539

pub struct Pca9539<I2C> { /* private fields */ }

PCA9539/TCA9539 is a 16-pin I2C I/O Expander with I2C Interface.

Implementations

impl<I2C, E> Pca9539<I2C>

where I2C: WriteRead<Error = E> + Write<Error = E>,

pub fn new_default(i2c: I2C) -> Result<Self, Error<E>>

Creates an expander with the default configuration.

pub fn new(i2c: I2C, address: u8) -> Result<Self, Error<E>>

Creates an expander with specific address.

pub fn address(&self) -> u8

Return the I2C address

pub fn read(&mut self, addr: u8) -> Result<u8, E>

Read an 8 bit register

pub fn write(&mut self, addr: u8, data: u8) -> Result<(), E>

Write an 8 bit register

pub fn bit(&mut self, addr: u8, bit: usize) -> Result<bool, E>

Get a single bit in a register

pub fn set_bit(&mut self, addr: u8, bit: usize, value: bool) -> Result<(), E>

Set a single bit in a register

pub fn set_level(&mut self, pin: Pin, level: Level) -> Result<(), E>

pub fn set_direction(&mut self, pin: Pin, direction: Direction) -> Result<(), E>

Trait Implementations

impl<I2C: Clone> Clone for Pca9539<I2C>

fn clone(&self) -> Pca9539<I2C>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<I2C: Debug> Debug for Pca9539<I2C>

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

Formats the value using the given formatter.

impl<I2C: Copy> Copy for Pca9539<I2C>