rtic/2/api/embedded_hal_async/digital/trait.Wait.html
2024-12-06 13:35:18 +00:00

24 lines
No EOL
17 KiB
HTML
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Asynchronously wait for GPIO pin state."><title>Wait in embedded_hal_async::digital - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-b0742ba02757f159.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="embedded_hal_async" data-themes="" data-resource-suffix="" data-rustdoc-version="1.83.0 (90b35a623 2024-11-26)" data-channel="1.83.0" data-search-js="search-f0d225181b97f9a4.js" data-settings-js="settings-805db61a62df4bd2.js" ><script src="../../static.files/storage-1d39b6787ed640ff.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-f070b9041d14864c.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-0111fcff984fae8f.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../embedded_hal_async/index.html">embedded_<wbr>hal_<wbr>async</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Wait</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.wait_for_any_edge" title="wait_for_any_edge">wait_for_any_edge</a></li><li><a href="#tymethod.wait_for_falling_edge" title="wait_for_falling_edge">wait_for_falling_edge</a></li><li><a href="#tymethod.wait_for_high" title="wait_for_high">wait_for_high</a></li><li><a href="#tymethod.wait_for_low" title="wait_for_low">wait_for_low</a></li><li><a href="#tymethod.wait_for_rising_edge" title="wait_for_rising_edge">wait_for_rising_edge</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-Wait-for-%26mut+T" title="&#38;mut T">&#38;mut T</a></li></ul><h3><a href="#object-safety">Object Safety</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In embedded_<wbr>hal_<wbr>async::<wbr>digital</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="../index.html">embedded_hal_async</a>::<wbr><a href="index.html">digital</a></span><h1>Trait <span class="trait">Wait</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/embedded_hal_async/digital.rs.html#20-49">source</a> </span></div><pre class="rust item-decl"><code>pub trait Wait: <a class="trait" href="../../embedded_hal/digital/trait.ErrorType.html" title="trait embedded_hal::digital::ErrorType">ErrorType</a> {
// Required methods
async fn <a href="#tymethod.wait_for_high" class="fn">wait_for_high</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;;
<span class="item-spacer"></span> async fn <a href="#tymethod.wait_for_low" class="fn">wait_for_low</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;;
<span class="item-spacer"></span> async fn <a href="#tymethod.wait_for_rising_edge" class="fn">wait_for_rising_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;;
<span class="item-spacer"></span> async fn <a href="#tymethod.wait_for_falling_edge" class="fn">wait_for_falling_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;;
<span class="item-spacer"></span> async fn <a href="#tymethod.wait_for_any_edge" class="fn">wait_for_any_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;;
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Asynchronously wait for GPIO pin state.</p>
</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.wait_for_high" class="method"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#26">source</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_high" class="fn">wait_for_high</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section></summary><div class="docblock"><p>Wait until the pin is high. If it is already high, return immediately.</p>
<h5 id="note-for-implementers"><a class="doc-anchor" href="#note-for-implementers">§</a>Note for implementers</h5>
<p>The pin may have switched back to low before the task was run after
being woken. The future should still resolve in that case.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.wait_for_low" class="method"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#33">source</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_low" class="fn">wait_for_low</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section></summary><div class="docblock"><p>Wait until the pin is low. If it is already low, return immediately.</p>
<h5 id="note-for-implementers-1"><a class="doc-anchor" href="#note-for-implementers-1">§</a>Note for implementers</h5>
<p>The pin may have switched back to high before the task was run after
being woken. The future should still resolve in that case.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.wait_for_rising_edge" class="method"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#39">source</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_rising_edge" class="fn">wait_for_rising_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section></summary><div class="docblock"><p>Wait for the pin to undergo a transition from low to high.</p>
<p>If the pin is already high, this does <em>not</em> return immediately, itll wait for the
pin to go low and then high again.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.wait_for_falling_edge" class="method"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#45">source</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_falling_edge" class="fn">wait_for_falling_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section></summary><div class="docblock"><p>Wait for the pin to undergo a transition from high to low.</p>
<p>If the pin is already low, this does <em>not</em> return immediately, itll wait for the
pin to go high and then low again.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.wait_for_any_edge" class="method"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#48">source</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_any_edge" class="fn">wait_for_any_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section></summary><div class="docblock"><p>Wait for the pin to undergo any transition, i.e low to high OR high to low.</p>
</div></details></div><h2 id="object-safety" class="section-header">Object Safety<a href="#object-safety" class="anchor">§</a></h2><div class="object-safety-info">This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.83.0/reference/items/traits.html#object-safety">object safe</a>.</div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-Wait-for-%26mut+T" class="impl"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#51-76">source</a><a href="#impl-Wait-for-%26mut+T" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="trait.Wait.html" title="trait embedded_hal_async::digital::Wait">Wait</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.83.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>&gt; <a class="trait" href="trait.Wait.html" title="trait embedded_hal_async::digital::Wait">Wait</a> for <a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.reference.html">&amp;mut T</a></h3></section></summary><div class="impl-items"><section id="method.wait_for_high" class="method trait-impl"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#53-55">source</a><a href="#method.wait_for_high" class="anchor">§</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_high" class="fn">wait_for_high</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section><section id="method.wait_for_low" class="method trait-impl"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#58-60">source</a><a href="#method.wait_for_low" class="anchor">§</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_low" class="fn">wait_for_low</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section><section id="method.wait_for_rising_edge" class="method trait-impl"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#63-65">source</a><a href="#method.wait_for_rising_edge" class="anchor">§</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_rising_edge" class="fn">wait_for_rising_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section><section id="method.wait_for_falling_edge" class="method trait-impl"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#68-70">source</a><a href="#method.wait_for_falling_edge" class="anchor">§</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_falling_edge" class="fn">wait_for_falling_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section><section id="method.wait_for_any_edge" class="method trait-impl"><a class="src rightside" href="../../src/embedded_hal_async/digital.rs.html#73-75">source</a><a href="#method.wait_for_any_edge" class="anchor">§</a><h4 class="code-header">async fn <a href="#tymethod.wait_for_any_edge" class="fn">wait_for_any_edge</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="../../embedded_hal/digital/trait.ErrorType.html#associatedtype.Error" title="type embedded_hal::digital::ErrorType::Error">Error</a>&gt;</h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../../trait.impl/embedded_hal_async/digital/trait.Wait.js" async></script></section></div></main></body></html>