Struct VgaText

pub struct VgaText<'a> { /* private fields */ }

UART-compatible wrapper around the VGA text writer.

Implementations

impl VgaText<'_>

pub fn new() -> Self

Trait Implementations

impl Configure for VgaText<'_>

fn configure(&self, _params: Parameters) -> Result<(), ErrorCode>

Set the configuration parameters for the UART bus.

impl DeferredCallClient for VgaText<'_>

fn handle_deferred_call(&self)

Software interrupt function that is called when the deferred call is triggered.

fn register(&'static self)

impl<'a> Receive<'a> for VgaText<'a>

fn set_receive_client(&self, client: &'a dyn ReceiveClient)

Set the receive client, which will be called when reads complete.

fn receive_buffer( &self, buffer: &'static mut [u8], _len: usize, ) -> Result<(), (ErrorCode, &'static mut [u8])>

Receive rx_len bytes into rx_buffer.

fn receive_word(&self) -> Result<(), ErrorCode>

Receive a single word of data.

fn receive_abort(&self) -> Result<(), ErrorCode>

Abort any ongoing receive transfers and return what has been received.

impl<'a> Transmit<'a> for VgaText<'a>

fn set_transmit_client(&self, client: &'a dyn TransmitClient)

Set the transmit client, which will be called when transmissions complete.

fn transmit_buffer( &self, buffer: &'static mut [u8], len: usize, ) -> Result<(), (ErrorCode, &'static mut [u8])>

Transmit a buffer of data.

fn transmit_word(&self, _word: u32) -> Result<(), ErrorCode>

Transmit a single word of data asynchronously.

fn transmit_abort(&self) -> Result<(), ErrorCode>

Abort an outstanding call to transmit_word or transmit_buffer.