13 lines
4.5 KiB
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13 lines
4.5 KiB
HTML
<!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="API documentation for the Rust `entry` macro in crate `cortex_m_rt`."><meta name="keywords" content="rust, rustlang, rust-lang, entry"><title>cortex_m_rt::entry - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script></head><body class="rustdoc macro"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><div class="sidebar-elems"><p class='location'><a href='index.html'>cortex_m_rt</a></p><script>window.sidebarCurrent = {name: 'entry', ty: 'macro', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/cortex_m_rt/lib.rs.html#567-577' title='goto source code'>[src]</a></span><span class='in-band'>Macro <a href='index.html'>cortex_m_rt</a>::<wbr><a class="macro" href=''>entry</a></span></h1><div class="docblock type-decl"><pre class="rust macro">
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<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">entry</span> {
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(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">path</span>:<span class="ident">expr</span>) <span class="op">=></span> { ... };
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}</pre>
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</div><div class='docblock'><p>Macro to define the entry point of the program</p>
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<p><strong>NOTE</strong> This macro must be invoked once and must be invoked from an accessible module, ideally
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from the root of the crate.</p>
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<p>Usage: <code>entry!(path::to::entry::point)</code></p>
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<p>The specified function will be called by the reset handler <em>after</em> RAM has been initialized. In
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the case of the <code>thumbv7em-none-eabihf</code> target the FPU will also be enabled before the function
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is called.</p>
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<p>The signature of the specified function must be <code>fn() -> !</code> (never ending function)</p>
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