99 lines
3.5 KiB
HTML
99 lines
3.5 KiB
HTML
<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="generator" content="pandoc" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
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<title>Release Notes for WM8904 Audio Codec Component Driver</title>
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<style>
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code{white-space: pre-wrap;}
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span.smallcaps{font-variant: small-caps;}
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div.columns{display: flex; gap: min(4vw, 1.5em);}
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div.column{flex: auto; overflow-x: auto;}
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div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
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/* The extra [class] is a hack that increases specificity enough to
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override a similar rule in reveal.js */
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ul.task-list[class]{list-style: none;}
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ul.task-list li input[type="checkbox"] {
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font-size: inherit;
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width: 0.8em;
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margin: 0 0.8em 0.2em -1.6em;
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vertical-align: middle;
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}
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.display.math{display: block; text-align: center; margin: 0.5rem auto;}
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</style>
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<link rel="stylesheet" href="_htmresc/mini-st_2020.css" />
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<link rel="icon" type="image/x-icon" href="_htmresc/favicon.png" />
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</head>
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<body>
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<div class="row">
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<div class="col-sm-12 col-lg-4">
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<center>
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<h1 id="release-notes-for-wm8904-component-driver">Release Notes for
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<mark>WM8904</mark> Component Driver</h1>
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<p>Copyright © 2024 STMicroelectronics<br />
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</p>
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<a href="https://www.st.com" class="logo"><img
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src="_htmresc/st_logo_2020.png" alt="ST logo" /></a>
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</center>
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<h1 id="purpose">Purpose</h1>
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<p>This driver provides a set of audio functions offered by WM8904 Codec
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component</p>
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</div>
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<section id="update-history" class="col-sm-12 col-lg-8">
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<h1>Update History</h1>
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<div class="collapse">
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<input type="checkbox" id="collapse-section3" checked aria-hidden="true">
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<label for="collapse-section3" aria-hidden="true"><strong>V1.1.1 /
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15-September-2025</strong></label>
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<h2 id="main-changes">Main Changes</h2>
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<ul>
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<li>Maintenance release of <strong>WM8904</strong> Audio Codec
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driver</li>
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<li>Changes compared with V1.1.0 release
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<ul>
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<li>Reduce excessive initialization delay by checking stabilization
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ready flag instead of waiting a fixed time</li>
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<li>Update initialization to use output device passed as parameter
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instead of current device which is not yet initialized</li>
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</ul></li>
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</ul>
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</div>
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<div class="collapse">
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<input type="checkbox" id="collapse-section2" aria-hidden="true">
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<label for="collapse-section2" aria-hidden="true"><strong>V1.1.0 /
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20-September-2024</strong></label>
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<h2 id="main-changes-1">Main Changes</h2>
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<ul>
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<li>First maintenance release of <strong>WM8904</strong> Audio Codec
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driver</li>
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<li>Changes compared with V1.0.0 release
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<ul>
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<li>Update input devices to be defined as bitfields</li>
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<li>Implement LINE_IN2 and digital microphone path</li>
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<li>Add 24KHz audio frequency support</li>
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<li>Update IsInitialized variable at the end of init function
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WM8904_Init()</li>
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</ul></li>
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</ul>
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</div>
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<div class="collapse">
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<input type="checkbox" id="collapse-section1" aria-hidden="true">
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<label for="collapse-section1" aria-hidden="true"><strong>V1.0.0 /
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28-February-2024</strong></label>
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<h2 id="main-changes-2">Main Changes</h2>
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<ul>
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<li>First official release of <strong>WM8904</strong> Audio Codec
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driver</li>
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</ul>
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</div>
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</section>
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</div>
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<footer class="sticky">
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For complete documentation on <mark>STM32 Microcontrollers</mark> ,
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visit: <span style="font-color: blue;"><a
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href="http://www.st.com/STM32">www.st.com</a></span>
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</footer>
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</body>
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</html>
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