Struct Writer

pub struct Writer {
    uart: OptionalCell<&'static Uart<'static>>,
}

Writer is used by kernel::debug to panic message to the serial port.

Fields

uart: OptionalCell<&'static Uart<'static>>

Implementations

impl Writer

pub fn set_uart(&self, uart: &'static Uart<'_>)

fn configure_uart(&self, uart: &Uart<'_>)

fn write_to_uart(&self, uart: &Uart<'_>, buf: &[u8])

Trait Implementations

impl IoWrite for Writer

fn write(&mut self, buf: &[u8]) -> usize

fn write_ring_buffer(&mut self, buf: &RingBuffer<'_, u8>) -> usize

impl Write for Writer

fn write_str(&mut self, s: &str) -> Result

Writes a string slice into this writer, returning whether the write succeeded.

fn write_char(&mut self, c: char) -> Result<(), Error>

Writes a char into this writer, returning whether the write succeeded.

fn write_fmt(&mut self, args: Arguments<'_>) -> Result<(), Error>

Glue for usage of the write! macro with implementors of this trait.