Trait lpc55_hal::prelude::_embedded_hal_blocking_i2c_Read

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

Blocking read

Associated Types

type Error

Error type

Required methods

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

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

Implementors

impl<PIO1, PIO2, I2C, PINS> Read for I2cMaster<PIO1, PIO2, I2C, PINS> where
    PIO1: PinId,
    PIO2: PinId,
    I2C: I2c,
    PINS: I2cPins<PIO1, PIO2, I2C>, 

type Error = Error

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