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<h1 style="margin-bottom: 18pt; text-align: center;" align="center"><span style="font-size: 20pt; font-family: Verdana; color: rgb(51, 102, 255);">Release
Notes for STM32F411E-Discovery Board Drivers</span><span style="font-size: 20pt; font-family: Verdana;"><o:p></o:p></span></h1>
<p class="MsoNormal" style="line-height: normal;" align="center"><span style="font-size: 10pt; font-family: Arial; color: black;">Copyright
</span><span style="font-size: 10pt;"><EFBFBD> </span><span style="font-size: 10pt; font-family: Arial; color: black;">2017 STMicroelectronics</span></p>
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<p class="MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: Arial; color: black;"></span><span style="font-size: 10pt;"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family: Arial; display: none;"><o:p>&nbsp;</o:p></span></p>
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<td style="padding: 0cm;" valign="top"><span style="font-family: Arial;"><span style="font-style: italic;"><span style="font-weight: bold;"></span></span></span><p class="MsoListParagraph" style="text-align: left;"><span style="font-family: &quot;Arial&quot;,sans-serif; font-size: 11pt;">The
BSP (Board Specific Package) drivers are parts of the STM32Cube package
based on the HAL drivers and provide a set of high level APIs relative
to the hardware components and features in the evaluation boards,
discovery kits and nucleo boards coming with the STM32Cube package for
a given STM32 serie.</span></p><p class="MsoListParagraph" style="text-align: left;"><span style="font-family: &quot;Arial&quot;,sans-serif; font-size: 11pt;">The
BSP drivers allow a quick access to the boards&#8217; services using high
level APIs and without any specific configuration as the link with the
HAL and the external components is done in intrinsic within the
drivers. <br></span></p><p class="MsoListParagraph" style="text-align: left;"><span style="font-family: &quot;Arial&quot;,sans-serif; font-size: 11pt;">From
project settings points of view, user has only to add the necessary
driver&#8217;s files in the workspace and call the needed functions from
examples. However some low level configuration functions are weak and
can be overridden by the applications if user wants to change some BSP
drivers default behavior.</span></p><h2 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><span style="font-size: 12pt; color: white;">Update History</span></h2>
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-style: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 215px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.5 / 11-February-2022<o:p></o:p></span></h3>
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt; font-size: medium; font-family: &quot;Times New Roman&quot;; color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"><b><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main Changes<o:p></o:p></span></u></b></p>
<span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span>
<ul style="list-style-type: square;">
<li><span style="font-size: 10pt; font-family: Verdana;">All source files: update disclaimer to add reference to the new license agreement</span></li>
</ul>
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-style: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 215px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.4 / 19-January-2021<o:p></o:p></span></h3>
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt; font-size: medium; font-family: &quot;Times New Roman&quot;; color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"><b><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main Changes<o:p></o:p></span></u></b></p>
<span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span><span style="color: rgb(0, 0, 0); font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; font-size: 10pt; font-family: Verdana;"></span><span style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;"></span>
<ul style="color: rgb(0, 0, 0); font-family: &quot;Times New Roman&quot;; font-size: medium; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; list-style-type: square;">
<li><span style="font-size: 10pt; font-family: Verdana;">Update accelerometer and gyroscope drivers to support new I2G4250D and LSM303AGR compenents.</span></li>
</ul>
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 215px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.3 / 21-September-2017 <o:p></o:p></span></h3>
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
Changes<o:p></o:p></span></u></b></p>
<span style="font-size: 10pt; font-family: Verdana;"></span>
<span style="font-size: 10pt; font-family: Verdana;"></span>
<span style="font-size: 10pt; font-family: Verdana;"></span><span style="font-size: 10pt; font-family: Verdana;"></span>
<span style="font-size: 10pt; font-family: Verdana;"></span>
<span style="font-size: 10pt; font-family: Verdana;"></span>
<span style="font-size: 10pt; font-family: Verdana;"></span>
<span style="font-size: 10pt; font-family: Verdana;"></span>
<span style="font-size: 10pt; font-family: Verdana;"></span>
<ul style="list-style-type: square;"><li><span style="font-size: 10pt; font-family: Verdana;">Remove date &amp; version</span></li><li><span style="font-family: Verdana; font-size: 10pt;">Add general description of BSP drivers</span></li><li><span style="font-size: 10pt; font-family: Verdana;">stm32f411e_</span><span style="font-size: 10pt; font-family: Verdana;">discovery</span><span style="font-size: 10pt; font-family: Verdana;"></span><span style="font-size: 10pt; font-family: Verdana;">_audio.c/.h:</span></li><ul><li><span style="font-size: 10pt; font-family: Verdana;">Aligned with PDM&nbsp;library v3.0.0&nbsp;</span></li></ul><li><span style="font-family: Verdana; font-size: 10pt;"><span style="font-style: italic; font-weight: bold; text-decoration: underline;">Notes:</span> <br>
</span></li><ul><li><span style="font-family: Verdana; font-size: 10pt;">This version must be used with v3.0.0 of PDM library</span></li></ul></ul>
<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 206px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.2 / 27-January-2017 <o:p></o:p></span></h3>
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
Changes</span></u></b><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;"><o:p></o:p></span></u></b></p>
<ul style="margin-top: 0cm;" type="square">
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt; list-style-type: square;"><span style="font-size: 10pt; font-family: Verdana;">Replace __PPP_CLK_ENABLE/DISABLE with __HAL_RCC_PPP</span><span style="font-size: 10pt; font-family: Verdana;">_ENABLE/DISABLE</span></li>
<li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt; list-style-type: square;"><span style="font-size: 10pt; font-family: Verdana;">Align audio drivers to the BSP spec:<br>
</span></li>
<ul>
<li class="MsoNormal" style="margin: 4.5pt 0in; font-size: 12pt; font-family: 'Times New Roman'; color: black;"><span style="font-size: 10pt; font-family: Verdana;">Add BSP_AUDIO_OUT_ClockConfig, BSP_AUDIO_OUT_MspInit and BSP_AUDIO_OUT_MspDeInit as weak functions</span></li>
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<ul>
<li class="MsoNormal" style="margin: 4.5pt 0in; font-size: 12pt; font-family: 'Times New Roman'; color: black;"><span style="font-size: 10pt; font-family: Verdana;">Add BSP_AUDIO_IN_ClockConfig, BSP_AUDIO_IN_MspInit and BSP_AUDIO_IN_MspDeInit as weak functions</span></li>
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<h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 212px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.1 / 12-January-2016</span></h3>
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
Changes</span></u></b><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;"><o:p></o:p></span></u></b></p>
<ul style="margin-top: 0cm;" type="square"><li class="MsoNormal" style="margin: 4.5pt 0in; font-size: 12pt; font-family: 'Times New Roman'; color: black;"><span style="color: rgb(0, 0, 0); font-family: Verdana,sans-serif; font-size: 13.3333px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; display: inline ! important; float: none;">General&nbsp;updates to fix&nbsp;doxygen errors</span><span style="font-size: 10pt; font-family: Verdana;"></span></li><li class="MsoNormal" style="margin: 4.5pt 0in; font-size: 12pt; font-family: 'Times New Roman'; color: black;"><span style="font-size: 10pt; font-family: Verdana;">Add STM32F4-Discovery_BSP_User_Manual.chm file</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">stm32f411e_discovery_audio.c</span><span style="font-size: 10pt; font-family: Verdana;"> </span></li><ul><li class="MsoNormal" style="margin: 4.5pt 0in; font-size: 12pt; font-family: 'Times New Roman'; color: black;"><span style="font-size: 10pt; font-family: Verdana;">BSP_AUDIO_OUT_Init() update to configure correctly the PLL I2S parameters</span></li></ul></ul><h3 style="background: rgb(51, 102, 255) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; margin-right: 500pt; width: 217px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.0 / 12-November-2015</span></h3>
<p class="MsoNormal" style="margin: 4.5pt 0cm 4.5pt 18pt;"><b style=""><u><span style="font-size: 10pt; font-family: Verdana; color: black;">Main
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<ul style="margin-top: 0cm;" type="square"><li class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana;">First official version of the<span style="font-weight: bold; font-style: italic;"> STM32F411E-Discovery Board&nbsp;Drivers</span></span></li></ul><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic; font-weight: bold;"></span></span><span style="font-size: 10pt; font-family: Verdana;"></span><div style="text-align: justify;"><span style="font-family: &quot;Verdana&quot;,&quot;sans-serif&quot;;"></span></div>
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<hr align="center" size="2" width="100%"></span></div>
<div style="margin-left: 160px;"><span style="font-size: 10pt; font-family: Verdana; color: black;">For
complete documentation on </span><span style="font-size: 10pt; font-family: Verdana;">STM32<span style="color: black;">&nbsp;Microcontrollers
visit </span><u><span style="color: blue;"><a href="http://www.st.com/internet/mcu/class/1734.jsp" target="_blank">www.st.com/STM32</a></span></u></span></div>
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