Struct mcp230xx::Mcp230xx

pub struct Mcp230xx<I2C, MAP> { /* private fields */ }

MCP23017/MCP23008, a 16/8-Bit I2C I/O Expander with I2C Interface. Provide the chip variant (its register map) via MAP.

Implementations

impl<I2C, E, MAP> Mcp230xx<I2C, MAP>

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

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 io_configuration(&mut self, value: u8) -> Result<(), E>

Set IOCON register Note(BANK): Do not change the register mapping by setting the IOCON.BANK bit.

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

Pin direction

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

Pin direction

pub fn input_polarity(&mut self, pin: MAP) -> Result<Polarity, E>

Input polarity inversion

pub fn set_input_polarity(&mut self, pin: MAP, value: Polarity) -> Result<(), E>

Input polarity inversion

pub fn int_on_change(&mut self, pin: MAP) -> Result<IntOnChange, E>

Interrupt on change

pub fn set_int_on_change( &mut self, pin: MAP, value: IntOnChange ) -> Result<(), E>

Interrupt on change

pub fn int_on_level(&mut self, pin: MAP) -> Result<Level, E>

Default compare value for interrupt on level

pub fn set_int_on_level(&mut self, pin: MAP, value: Level) -> Result<(), E>

Default compare value for interrupt on level

pub fn int_mode(&mut self, pin: MAP) -> Result<IntMode, E>

Interrupt configuration

pub fn set_int_mode(&mut self, pin: MAP, value: IntMode) -> Result<(), E>

Interrupt configuration

pub fn pull_up(&mut self, pin: MAP) -> Result<PullUp, E>

Weak pull up resistor state

pub fn set_pull_up(&mut self, pin: MAP, value: PullUp) -> Result<(), E>

Weak pull up resistor state

pub fn int_flag(&mut self, pin: MAP) -> Result<IntFlag, E>

Interrupt flag

pub fn set_int_flag(&mut self, pin: MAP, value: IntFlag) -> Result<(), E>

Interrupt flag

pub fn int_capture(&mut self, pin: MAP) -> Result<Level, E>

Interrupt level capture

pub fn set_int_capture(&mut self, pin: MAP, value: Level) -> Result<(), E>

Interrupt level capture

pub fn gpio(&mut self, pin: MAP) -> Result<Level, E>

GPIO Pin value. This reads the actual hardware pin but writes to the OLAT register.

pub fn set_gpio(&mut self, pin: MAP, value: Level) -> Result<(), E>

GPIO Pin value. This reads the actual hardware pin but writes to the OLAT register.

pub fn output_latch(&mut self, pin: MAP) -> Result<Level, E>

Output latch state

pub fn set_output_latch(&mut self, pin: MAP, value: Level) -> Result<(), E>

Output latch state

Trait Implementations

impl<I2C: Clone, MAP: Clone> Clone for Mcp230xx<I2C, MAP>

fn clone(&self) -> Mcp230xx<I2C, MAP>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<I2C: Debug, MAP: Debug> Debug for Mcp230xx<I2C, MAP>

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

Formats the value using the given formatter.

impl<I2C: Copy, MAP: Copy> Copy for Mcp230xx<I2C, MAP>