hd44780_controller/controller/
common.rs

1use core::marker::PhantomData;
2
3use crate::{command, device::*};
4
5use super::config::{InitialConfig, RuntimeConfig};
6
7pub mod state {
8    pub struct Empty;
9    pub struct Uninit;
10    pub struct Init;
11}
12
13#[derive(Copy, Clone, Debug, Eq, PartialEq)]
14pub enum Error {
15    CommandError,
16    OutOfBounds,
17}
18
19impl From<command::Error> for Error {
20    fn from(_value: command::Error) -> Self {
21        Error::CommandError
22    }
23}
24
25#[allow(unused)]
26pub struct Controller<D, S = state::Empty> {
27    pub(super) device: D,
28    pub(super) initial_config: InitialConfig,
29    pub(super) runtime_config: RuntimeConfig,
30    pub(super) _state: PhantomData<S>,
31}
32
33impl<D> Controller<D, state::Empty> {
34    pub fn new<Dev: Device>(
35        device: Dev,
36        initial_config: InitialConfig,
37        runtime_config: RuntimeConfig,
38    ) -> Controller<Dev, state::Uninit> {
39        Controller {
40            device,
41            initial_config,
42            runtime_config,
43            _state: PhantomData,
44        }
45    }
46
47    #[cfg(feature = "async")]
48    #[cfg_attr(docsrs, doc(cfg(feature = "async")))]
49    pub fn new_async<Dev: AsyncDevice>(
50        device: Dev,
51        initial_config: InitialConfig,
52        runtime_config: RuntimeConfig,
53    ) -> Controller<Dev, state::Uninit> {
54        Controller {
55            device,
56            initial_config,
57            runtime_config,
58            _state: PhantomData,
59        }
60    }
61}
62
63#[cfg(feature = "fmt")]
64#[cfg_attr(docsrs, doc(cfg(feature = "fmt")))]
65#[macro_export]
66macro_rules! lcd_write {
67    ($lcd:expr, $($arg:tt)*) => {
68        $lcd.write_fmt::<128>(format_args!($($arg)*))
69    };
70
71    ($lcd:expr, charset = $charset:expr, $($arg:tt)*) => {
72        $lcd.write_fmt_with_charset::<128>(format_args!($($arg)*), $charset)
73    };
74}
75
76#[cfg(feature = "fmt")]
77#[cfg_attr(docsrs, doc(cfg(feature = "fmt")))]
78#[macro_export]
79macro_rules! lcd_println {
80    ($lcd:expr, line = $line:expr, $($arg:tt)*) => {
81        $lcd.write_line_fmt::<128>($line, format_args!($($arg)*))
82    };
83
84    ($lcd:expr, line = $line:expr, charset = $charset:expr, $($arg:tt)*) => {
85        $lcd.write_line_fmt_with_charset::<128>(format_args!($($arg)*), $charset)
86    };
87}
hd44780_controller/controller/common.rs

hd44780_controller/controller/
common.rs
