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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="Blocking write"><title>Write in embedded_hal::blocking::i2c - 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" 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/index.html">embedded_<wbr>hal</a><span class="version">0.2.7</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Write</a></h2><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Error" title="Error">Error</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.write" title="write">write</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In embedded_<wbr>hal::<wbr>blocking::<wbr>i2c</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</a>::<wbr><a href="../index.html">blocking</a>::<wbr><a href="index.html">i2c</a></span><h1>Trait <span class="trait">Write</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/blocking/i2c.rs.html#145-166">source</a> </span></div><pre class="rust item-decl"><code>pub trait Write<A: <a class="trait" href="trait.AddressMode.html" title="trait embedded_hal::blocking::i2c::AddressMode">AddressMode</a> = <a class="type" href="type.SevenBitAddress.html" title="type embedded_hal::blocking::i2c::SevenBitAddress">SevenBitAddress</a>> {
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type <a href="#associatedtype.Error" class="associatedtype">Error</a>;
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// Required method
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fn <a href="#tymethod.write" class="fn">write</a>(&mut self, address: A, bytes: &[<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.u8.html">u8</a>]) -> <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.Write.html#associatedtype.Error" title="type embedded_hal::blocking::i2c::Write::Error">Error</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>Blocking write</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.Error" class="method"><a class="src rightside" href="../../../src/embedded_hal/blocking/i2c.rs.html#147">source</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a></h4></section></summary><div class="docblock"><p>Error type</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.write" class="method"><a class="src rightside" href="../../../src/embedded_hal/blocking/i2c.rs.html#165">source</a><h4 class="code-header">fn <a href="#tymethod.write" class="fn">write</a>(&mut self, address: A, bytes: &[<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.u8.html">u8</a>]) -> <a class="enum" href="https://doc.rust-lang.org/1.83.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/1.83.0/core/primitive.unit.html">()</a>, Self::<a class="associatedtype" href="trait.Write.html#associatedtype.Error" title="type embedded_hal::blocking::i2c::Write::Error">Error</a>></h4></section></summary><div class="docblock"><p>Writes bytes to slave with address <code>address</code></p>
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<h5 id="i2c-events-contract"><a class="doc-anchor" href="#i2c-events-contract">§</a>I2C Events (contract)</h5><div class="example-wrap"><pre class="language-text"><code>Master: ST SAD+W B0 B1 ... BN SP
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Slave: SAK SAK SAK ... SAK</code></pre></div>
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<p>Where</p>
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<ul>
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<li><code>ST</code> = start condition</li>
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<li><code>SAD+W</code> = slave address followed by bit 0 to indicate writing</li>
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<li><code>SAK</code> = slave acknowledge</li>
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<li><code>Bi</code> = ith byte of data</li>
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<li><code>SP</code> = stop condition</li>
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</ul>
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</div></details></div><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/blocking/i2c/trait.Write.js" async></script></section></div></main></body></html>
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