[][src]Trait atmega32u4_hal::prelude::_embedded_hal_blocking_i2c_Read

pub trait _embedded_hal_blocking_i2c_Read {
    type Error;
    pub fn read(
        &mut self,
        address: u8,
        buffer: &mut [u8]
    ) -> Result<(), Self::Error>; }

Blocking read

Associated Types

type Error[src]

Error type

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Required methods

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

Reads enough bytes from slave with address to fill buffer

I2C Events (contract)

Master: ST SAD+R        MAK    MAK ...    NMAK SP
Slave:           SAK B0     B1     ... BN

Where

  • ST = start condition
  • SAD+R = slave address followed by bit 1 to indicate reading
  • SAK = slave acknowledge
  • Bi = ith byte of data
  • MAK = master acknowledge
  • NMAK = master no acknowledge
  • SP = stop condition
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Implementors

impl<CLOCK, M> Read for I2cMaster<CLOCK, M> where
    CLOCK: Clock
[src]

type Error = Error

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