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<!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="A backend definition for a monotonic clock/counter."><title>TimerQueueBackend in rtic_monotonics - 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="rtic_monotonics" 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="../rtic_monotonics/index.html">rtic_<wbr>monotonics</a><span class="version">2.0.3</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Timer<wbr>Queue<wbr>Backend</a></h2><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Ticks" title="Ticks">Ticks</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.clear_compare_flag" title="clear_compare_flag">clear_compare_flag</a></li><li><a href="#tymethod.now" title="now">now</a></li><li><a href="#tymethod.pend_interrupt" title="pend_interrupt">pend_interrupt</a></li><li><a href="#tymethod.set_compare" title="set_compare">set_compare</a></li><li><a href="#tymethod.timer_queue" title="timer_queue">timer_queue</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.disable_timer" title="disable_timer">disable_timer</a></li><li><a href="#method.enable_timer" title="enable_timer">enable_timer</a></li><li><a href="#method.on_interrupt" title="on_interrupt">on_interrupt</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 class="in-crate"><a href="index.html">In crate rtic_<wbr>monotonics</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">rtic_monotonics</a></span><h1>Trait <span class="trait">TimerQueueBackend</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/rtic_time/timer_queue/backend.rs.html#4">source</a> </span></div><pre class="rust item-decl"><code>pub trait TimerQueueBackend: <a class="trait" href="https://doc.rust-lang
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type <a href="#associatedtype.Ticks" class="associatedtype">Ticks</a>: <a class="trait" href="../rtic_time/timer_queue/tick_type/trait.TimerQueueTicks.html" title="trait rtic_time::timer_queue::tick_type::TimerQueueTicks">TimerQueueTicks</a>;
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// Required methods
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fn <a href="#tymethod.now" class="fn">now</a>() -> Self::<a class="associatedtype" href="trait.TimerQueueBackend.html#associatedtype.Ticks" title="type rtic_monotonics::TimerQueueBackend::Ticks">Ticks</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.set_compare" class="fn">set_compare</a>(instant: Self::<a class="associatedtype" href="trait.TimerQueueBackend.html#associatedtype.Ticks" title="type rtic_monotonics::TimerQueueBackend::Ticks">Ticks</a>);
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<span class="item-spacer"></span> fn <a href="#tymethod.clear_compare_flag" class="fn">clear_compare_flag</a>();
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<span class="item-spacer"></span> fn <a href="#tymethod.pend_interrupt" class="fn">pend_interrupt</a>();
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<span class="item-spacer"></span> fn <a href="#tymethod.timer_queue" class="fn">timer_queue</a>() -> &'static <a class="struct" href="../rtic_time/timer_queue/struct.TimerQueue.html" title="struct rtic_time::timer_queue::TimerQueue">TimerQueue</a><Self>;
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// Provided methods
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fn <a href="#method.on_interrupt" class="fn">on_interrupt</a>() { ... }
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<span class="item-spacer"></span> fn <a href="#method.enable_timer" class="fn">enable_timer</a>() { ... }
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<span class="item-spacer"></span> fn <a href="#method.disable_timer" class="fn">disable_timer</a>() { ... }
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A backend definition for a monotonic clock/counter.</p>
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</div></details><h2 id="required-associated-types" class="section-header">Required Associated Types<a href="#required-associated-types" class="anchor">§</a></h2><div class="methods"><details class="toggle" open><summary><section id="associatedtype.Ticks" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#6">source</a><h4 class="code-header">type <a href="#associatedtype.Ticks" class="associatedtype">Ticks</a>: <a class="trait" href="../rtic_time/timer_queue/tick_type/trait.TimerQueueTicks.html" title="trait rtic_time::timer_queue::tick_type::TimerQueueTicks">TimerQueueTicks</a></h4></section></summary><div class="docblock"><p>The type for ticks.</p>
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</div></details></div><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.now" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#9">source</a><h4 class="code-header">fn <a href="#tymethod.now" class="fn">now</a>() -> Self::<a class="associatedtype" href="trait.TimerQueueBackend.html#associatedtype.Ticks" title="type rtic_monotonics::TimerQueueBackend::Ticks">Ticks</a></h4></section></summary><div class="docblock"><p>Get the current time.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.set_compare" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#15">source</a><h4 class="code-header">fn <a href="#tymethod.set_compare" class="fn">set_compare</a>(instant: Self::<a class="associatedtype" href="trait.TimerQueueBackend.html#associatedtype.Ticks" title="type rtic_monotonics::TimerQueueBackend::Ticks">Ticks</a>)</h4></section></summary><div class="docblock"><p>Set the compare value of the timer interrupt.</p>
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<p><strong>Note:</strong> This method does not need to handle race conditions of the monotonic, the timer
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queue in RTIC checks this.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.clear_compare_flag" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#18">source</a><h4 class="code-header">fn <a href="#tymethod.clear_compare_flag" class="fn">clear_compare_flag</a>()</h4></section></summary><div class="docblock"><p>Clear the compare interrupt flag.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.pend_interrupt" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#21">source</a><h4 class="code-header">fn <a href="#tymethod.pend_interrupt" class="fn">pend_interrupt</a>()</h4></section></summary><div class="docblock"><p>Pend the timer’s interrupt.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.timer_queue" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#43">source</a><h4 class="code-header">fn <a href="#tymethod.timer_queue" class="fn">timer_queue</a>() -> &'static <a class="struct" href="../rtic_time/timer_queue/struct.TimerQueue.html" title="struct rtic_time::timer_queue::TimerQueue">TimerQueue</a><Self></h4></section></summary><div class="docblock"><p>Returns a reference to the underlying timer queue.</p>
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</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.on_interrupt" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#24">source</a><h4 class="code-header">fn <a href="#method.on_interrupt" class="fn">on_interrupt</a>()</h4></section></summary><div class="docblock"><p>Optional. Runs on interrupt before any timer queue handling.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.enable_timer" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#32">source</a><h4 class="code-header">fn <a href="#method.enable_timer" class="fn">enable_timer</a>()</h4></section></summary><div class="docblock"><p>Optional. This is used to save power, this is called when the timer queue is not empty.</p>
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<p>Enabling and disabling the monotonic needs to propagate to <code>now</code> so that an instant
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based of <code>now()</code> is still valid.</p>
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<p>NOTE: This may be called more than once.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.disable_timer" class="method"><a class="src rightside" href="../src/rtic_time/timer_queue/backend.rs.html#40">source</a><h4 class="code-header">fn <a href="#method.disable_timer" class="fn">disable_timer</a>()</h4></section></summary><div class="docblock"><p>Optional. This is used to save power, this is called when the timer queue is empty.</p>
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<p>Enabling and disabling the monotonic needs to propagate to <code>now</code> so that an instant
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based of <code>now()</code> is still valid.</p>
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<p>NOTE: This may be called more than once.</p>
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</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="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><details class="toggle implementors-toggle"><summary><section id="impl-TimerQueueBackend-for-Gpt1Backend" class="impl"><a class="src rightside" href="../src/rtic_monotonics/imxrt.rs.html#264">source</a><a href="#impl-TimerQueueBackend-for-Gpt1Backend" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.TimerQueueBackend.html" title="trait rtic_monotonics::TimerQueueBackend">TimerQueueBackend</a> for <a class="struct" href="imxrt/struct.Gpt1Backend.html" title="struct rtic_monotonics::imxrt::Gpt1Backend">Gpt1Backend</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Ticks-1" class="associatedtype trait-impl"><a class="src rightside" href="../src/rtic_monotonics/imxrt.rs.html#264">source</a><a href="#associatedtype.Ticks-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Ticks" class="associatedtype">Ticks</a> = <a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.u64.html">u64</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TimerQueueBackend-for-Gpt2Backend" class="impl"><a class="src rightside" href="../src/rtic_monotonics/imxrt.rs.html#267">source</a><a href="#impl-TimerQueueBackend-for-Gpt2Backend" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.TimerQueueBackend.html" title="trait rtic_monotonics::TimerQueueBackend">TimerQueueBackend</a> for <a class="struct" href="imxrt/struct.Gpt2Backend.html" title="struct rtic_monotonics::imxrt::Gpt2Backend">Gpt2Backend</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Ticks-2" class="associatedtype trait-impl"><a class="src rightside" href="../src/rtic_monotonics/imxrt.rs.html#267">source</a><a href="#associatedtype.Ticks-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Ticks" class="associatedtype">Ticks</a> = <a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.u64.html">u64</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TimerQueueBackend-for-Rtc0Backend" class="impl"><a class="src rightside" href="../src/rtic_monotonics/nrf/rtc.rs.html#311">source</a><a href="#impl-TimerQueueBackend-for-Rtc0Backend" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.TimerQueueBackend.html" title="trait rtic_monotonics::TimerQueueBackend">TimerQueueBackend</a> for <a class="struct" href="nrf/rtc/struct.Rtc0Backend.html" title="struct rtic_monotonics::nrf::rtc::Rtc0Backend">Rtc0Backend</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Ticks-3" class="associatedtype trait-impl"><a class="src rightside" href="../src/rtic_monotonics/nrf/rtc.rs.html#311">source</a><a href="#associatedtype.Ticks-3" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Ticks" class="associatedtype">Ticks</a> = <a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.u64.html">u64</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TimerQueueBackend-for-Rtc1Backend" class="impl"><a class="src rightside" href="../src/rtic_monotonics/nrf/rtc.rs.html#312">source</a><a href="#impl-TimerQueueBackend-for-Rtc1Backend" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.TimerQueueBackend.html" title="trait rtic_monotonics::TimerQueueBackend">TimerQueueBackend</a> for <a class="struct" href="nrf/rtc/struct.Rtc1Backend.html" title="struct rtic_monotonics::nrf::rtc::Rtc1Backend">Rtc1Backend</a></h3></sectio
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