Struct ParallelSender

pub struct ParallelSender<ControlPin, DBPin, BLPin, const PIN_CNT: usize, const READABLE: bool>
where
    ControlPin: OutputPin,
    DBPin: OutputPin + IfReadable<READABLE>,
    BLPin: StatefulOutputPin,
{ /* private fields */ }

ParallelSender is the parallel interface to drive LCD1602

Implementations

impl<ControlPin, DBPin, BLPin> ParallelSender<ControlPin, DBPin, BLPin, 4, true>

where ControlPin: OutputPin, DBPin: OutputPin + InputPin, BLPin: StatefulOutputPin,

pub fn new_4pin( rs: ControlPin, rw: ControlPin, en: ControlPin, db4: DBPin, db5: DBPin, db6: DBPin, db7: DBPin, bl: Option<BLPin>, ) -> Self

Create 4-pin parallel driver, will need other 3 pins to control LCD, and a optional pin to control backlight (better connect the pin to a transistor)

impl<ControlPin, DBPin, BLPin> ParallelSender<ControlPin, DBPin, BLPin, 4, false>

where ControlPin: OutputPin, DBPin: OutputPin, BLPin: StatefulOutputPin,

pub fn new_4pin_write_only( rs: ControlPin, en: ControlPin, db4: DBPin, db5: DBPin, db6: DBPin, db7: DBPin, bl: Option<BLPin>, ) -> Self

Create 4-pin parallel driver, will need other 2 pins to control LCD, and a optional pin to control backlight (better connect the pin to a transistor)

impl<ControlPin, DBPin, BLPin> ParallelSender<ControlPin, DBPin, BLPin, 8, true>

where ControlPin: OutputPin, DBPin: OutputPin + InputPin, BLPin: StatefulOutputPin,

pub fn new_8pin( rs: ControlPin, rw: ControlPin, en: ControlPin, db0: DBPin, db1: DBPin, db2: DBPin, db3: DBPin, db4: DBPin, db5: DBPin, db6: DBPin, db7: DBPin, bl: Option<BLPin>, ) -> Self

Create 8-pin parallel driver, will need other 3 pins to control LCD, and a optional pin to control backlight (better connect the pin to a transistor)

impl<ControlPin, DBPin, BLPin> ParallelSender<ControlPin, DBPin, BLPin, 8, false>

where ControlPin: OutputPin, DBPin: OutputPin, BLPin: StatefulOutputPin,

pub fn new_8pin_write_only( rs: ControlPin, en: ControlPin, db0: DBPin, db1: DBPin, db2: DBPin, db3: DBPin, db4: DBPin, db5: DBPin, db6: DBPin, db7: DBPin, bl: Option<BLPin>, ) -> Self

Create 8-pin parallel driver, will need other 2 pins to control LCD, and a optional pin to control backlight (better connect the pin to a transistor)

Trait Implementations

impl<ControlPin, DBPin, BLPin, const PIN_CNT: usize, Delayer> SendCommand<Delayer, false> for ParallelSender<ControlPin, DBPin, BLPin, PIN_CNT, false>

where ControlPin: OutputPin, DBPin: OutputPin, BLPin: StatefulOutputPin, Delayer: DelayNs,

fn get_actual_backlight(&mut self) -> State

Get the current backlight

fn set_actual_backlight(&mut self, backlight: State)

Set the backlight

fn send(&mut self, command: Command) -> Option<u8>

Parse a Command and sending data to hardware, and return the result value when Command is a ReadWriteOp::Read command

fn delay_and_send( &mut self, command_set: CommandSet, delayer: &mut Delayer, delay_us: u32, ) -> Option<u8>

Wait specific duration, and send command

fn wait_and_send( &mut self, command_set: CommandSet, delayer: &mut Delayer, poll_interval_us: u32, ) -> Option<u8>

Check LCD busy state, when LCD is idle, send the command

fn wait_for_idle(&mut self, delayer: &mut Delayer, poll_interval_us: u32)

Wait in a busy loop, until LCD is idle

fn check_busy(&mut self) -> bool

Check LCD busy state

impl<ControlPin, DBPin, BLPin, const PIN_CNT: usize, Delayer> SendCommand<Delayer, true> for ParallelSender<ControlPin, DBPin, BLPin, PIN_CNT, true>

where ControlPin: OutputPin, DBPin: OutputPin + InputPin, BLPin: StatefulOutputPin, Delayer: DelayNs,

fn get_actual_backlight(&mut self) -> State

Get the current backlight

fn set_actual_backlight(&mut self, backlight: State)

Set the backlight

fn send(&mut self, command: Command) -> Option<u8>

Parse a Command and sending data to hardware, and return the result value when Command is a ReadWriteOp::Read command

fn delay_and_send( &mut self, command_set: CommandSet, delayer: &mut Delayer, delay_us: u32, ) -> Option<u8>

Wait specific duration, and send command

fn wait_and_send( &mut self, command_set: CommandSet, delayer: &mut Delayer, poll_interval_us: u32, ) -> Option<u8>

Check LCD busy state, when LCD is idle, send the command

fn wait_for_idle(&mut self, delayer: &mut Delayer, poll_interval_us: u32)

Wait in a busy loop, until LCD is idle

fn check_busy(&mut self) -> bool

Check LCD busy state