device_envoy/button/button_watch_generated.rs
1// @generated - manually created as documentation example. Do not auto-generate.
2//! Module containing [`ButtonWatchGenerated`], the sample struct type generated by the
3//! [`button_watch!`](crate::button_watch!) macro.
4//!
5//! This file shows what the macro expansion looks like for documentation purposes.
6
7#[cfg(all(not(doc), not(feature = "host")))]
8use crate::button_watch;
9
10#[cfg(all(not(doc), not(feature = "host")))]
11button_watch! {
12 pub ButtonWatchGenerated {
13 pin: PIN_13,
14 }
15}
16
17#[cfg(doc)]
18/// Sample struct type generated by the [`button_watch!`](crate::button_watch!) macro, showing all methods.
19///
20/// This page serves as the definitive reference for what a generated button watch type
21/// provides. For first-time readers, start with the examples in the [`button_watch!`](crate::button_watch!) macro
22/// documentation, then return here for a complete list of available methods.
23pub struct ButtonWatchGenerated {
24 button_watch: super::ButtonWatch,
25}
26
27#[cfg(doc)]
28impl ButtonWatchGenerated {
29 /// Creates a new button monitor and spawns its background task.
30 ///
31 /// # Parameters
32 ///
33 /// - `pin`: GPIO pin for the button
34 /// - `pressed_to`: How the button is wired ([`PressedTo::Ground`](crate::button::PressedTo::Ground) or [`PressedTo::Voltage`](crate::button::PressedTo::Voltage))
35 /// - `spawner`: Task spawner for background operations
36 ///
37 /// # Errors
38 ///
39 /// Returns an error if the background task cannot be spawned.
40 ///
41 /// # Example
42 ///
43 /// See the [`button_watch!`](crate::button_watch!) macro for usage.
44 pub fn new(
45 pin: impl Into<embassy_rp::Peri<'static, embassy_rp::peripherals::PIN_13>>,
46 pressed_to: crate::button::PressedTo,
47 spawner: embassy_executor::Spawner,
48 ) -> crate::Result<&'static Self> {
49 static INSTANCE: ButtonWatchGenerated = ButtonWatchGenerated {
50 button_watch: super::ButtonWatch {
51 signal: &embassy_sync::signal::Signal::new(),
52 },
53 };
54 let _ = (pin, pressed_to, spawner);
55 Ok(&INSTANCE)
56 }
57
58 /// A device abstraction for buttons that uses a background task to monitor presses.
59 ///
60 /// This is useful for converting a `Button` returned from `WifiAuto::connect()`
61 /// into a `ButtonWatch` for background monitoring.
62 ///
63 /// # Parameters
64 ///
65 /// - `button`: An existing button (e.g., from `WifiAuto::connect()`)
66 /// - `spawner`: Task spawner for background operations
67 ///
68 /// # Errors
69 ///
70 /// Returns an error if the background task cannot be spawned.
71 pub fn from_button(
72 button: crate::button::Button<'static>,
73 spawner: embassy_executor::Spawner,
74 ) -> crate::Result<&'static Self> {
75 static INSTANCE: ButtonWatchGenerated = ButtonWatchGenerated {
76 button_watch: super::ButtonWatch {
77 signal: &embassy_sync::signal::Signal::new(),
78 },
79 };
80 let _ = (button, spawner);
81 Ok(&INSTANCE)
82 }
83}
84
85#[cfg(doc)]
86impl core::ops::Deref for ButtonWatchGenerated {
87 type Target = super::ButtonWatch;
88
89 fn deref(&self) -> &Self::Target {
90 &self.button_watch
91 }
92}