Struct UsartDriver

pub struct UsartDriver<'a> {
    regs: *mut RegisterBlock,
    _callback: Option<Box<dyn FnMut(Event) + 'a>>,
    config: Config,
    tx_count: u32,
    rx_count: u32,
}

A polling-based USART driver for STM32F407.

Fields

regs: *mut RegisterBlock

_callback: Option<Box<dyn FnMut(Event) + 'a>>

config: Config

tx_count: u32

rx_count: u32

Implementations

impl<'a> UsartDriver<'a>

pub fn new(usart_base_addr: u32, config: Config) -> Self

pub fn new_usart1(config: Config) -> Self

Create a new USART1 driver instance (APB2 clock)

pub fn new_usart2(config: Config) -> Self

Create a new USART2 driver instance (APB1 clock)

pub fn new_usart3(config: Config) -> Self

Create a new USART3 driver instance (APB1 clock)

fn regs(&self) -> &mut RegisterBlock

fn is_on_apb2(&self) -> bool

fn compute_brr(&self, baudrate: u32) -> u32

fn write_cr1(&mut self, f: impl FnOnce(u32) -> u32)

fn write_cr2(&mut self, f: impl FnOnce(u32) -> u32)

fn write_cr3(&mut self, f: impl FnOnce(u32) -> u32)

fn wait_txe(&self)

fn wait_rxne(&self)

fn wait_tc(&self)

Trait Implementations

impl<'a> Usart<'a> for UsartDriver<'a>

fn initialize(&mut self, callback: impl FnMut(Event) + 'a) -> Result<(), i32>

Initializes the USART peripheral.

fn uninitialize(&mut self) -> Result<(), i32>

De-initializes the USART peripheral.

fn configure(&mut self, config: &Config) -> Result<(), i32>

Configures the USART peripheral.

fn send(&mut self, data: &[u8]) -> Result<(), i32>

Transmits data over the USART bus.

fn receive(&mut self, data: &mut [u8]) -> Result<(), i32>

Receives data from the USART bus.

fn transfer(&mut self, data_out: &[u8], data_in: &mut [u8]) -> Result<(), i32>

Simultaneously sends and receives data.

fn get_tx_count(&self) -> u32

Gets the number of bytes transmitted.

fn get_rx_count(&self) -> u32

Gets the number of bytes received.

fn get_status(&self) -> Status

Gets the current status of the USART peripheral.

fn set_modem_control(&mut self, control: ModemControl) -> Result<(), i32>

Controls the modem lines.

fn get_modem_status(&self) -> ModemStatus

Gets the status of the modem lines.

fn tx_enable(&mut self, enable: bool) -> Result<(), i32>

Enables or disables the transmitter.

fn rx_enable(&mut self, enable: bool) -> Result<(), i32>

Enables or disables the receiver.

fn control_break(&mut self, enable: bool) -> Result<(), i32>

Controls the generation of a break condition.

fn abort_send(&mut self) -> Result<(), i32>

Aborts an ongoing send operation.

fn abort_receive(&mut self) -> Result<(), i32>

Aborts an ongoing receive operation.

fn abort_transfer(&mut self) -> Result<(), i32>

Aborts an ongoing transfer operation.