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Release_Notes.html

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  98.             <p class="MsoNormal"><span style="font-size: 8pt; font-family: Arial; color: blue;"><a href="../../../Release_Notes.html">Back to Release page</a><o:p></o:p></span></p>
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  103.             <h1 style="margin-bottom: 18pt; text-align: center;" align="center"><span style="font-size: 20pt; font-family: Verdana; color: rgb(51, 102, 255);">Release
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  104. Notes for STM32F4-Discovery Board Drivers</span><span style="font-size: 20pt; font-family: Verdana;"><o:p></o:p></span></h1>
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  105.             <p class="MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: Arial; color: black;">Copyright
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  106. </span><span style="font-size: 10pt;">© </span><span style="font-size: 10pt; font-family: Arial; color: black;">2017 STMicroelectronics</span><span style="color: black;"><u1:p></u1:p><o:p></o:p></span></p>
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  116.             <td style="padding: 0cm;" valign="top"><span style="font-family: &quot;Times New Roman&quot;;"></span><p class="MsoListParagraph" style="text-align: left;"><span style="font-family: &quot;Arial&quot;,sans-serif; font-size: 11pt;">The
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  117. BSP (Board Specific Package) drivers are parts of the STM32Cube package
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  118. based on the HAL drivers and provide a set of high level APIs relative
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  119. to the hardware components and features in the evaluation boards,
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  120. discovery kits and nucleo boards coming with the STM32Cube package for
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  121. 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
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  122. BSP drivers allow a quick access to the boards&#8217; services using high
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  123. level APIs and without any specific configuration as the link with the
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  124. HAL and the external components is done in intrinsic within the
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  125. drivers. <br></span></p><p class="MsoListParagraph" style="text-align: left;"><span style="font-family: &quot;Arial&quot;,sans-serif; font-size: 11pt;">From
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  126. project settings points of view, user has only to add the necessary
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  127. driver&#8217;s files in the workspace and call the needed functions from
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  128. examples. However some low level configuration functions are weak and
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  129. can be overridden by the applications if user wants to change some BSP
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  130. 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>
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  201.             <ul style="list-style-type: square;">
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  202. <li><span style="font-size: 10pt; font-family: Verdana;">All source files: update disclaimer to add reference to the new license agreement.</span></li>
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  203.             </ul>
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  205.             <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;">V2.1.3 / 21-September-2017 <o:p></o:p></span></h3>
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  271.             <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;">stm32f4_</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>
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  272.   </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: 204px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.1.2 / 27-January-2017 <o:p></o:p></span></h3>
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  284.               <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>
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  285. <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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  286.               <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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  311. __HAL_RCC_PPP_CLK_ENABLE() </span><span style="font-size: 10pt; font-family: Verdana;">.</span><br><span style="font-size: 10pt; font-family: Arial; color: white;"></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: 211px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.0.3 / 10-December-2014 <o:p></o:p></span></h3>
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  434.                 <li><span style="font-size: 10pt; font-family: Verdana;">Change <span style="font-style: italic;">I2C_SPEED</span> used define by <span style="font-style: italic;">BSP_I2C_SPEED</span></span></li>
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    436. 

  436.               <li><span style="font-size: 10pt; font-family: Verdana;">Miscellaneous comments update</span></li>
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  439.             <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: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.0.2 / 26-June-2014 <o:p></o:p></span></h3>
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  541.                 <li><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">BSP_AUDIO_OUT_Play()</span>: uses the buffer size in byte instead of half-word</span></li>
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  542.                 <li><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">BSP_AUDIO_IN_PDMToPCM()</span>: duplicates samples to make stereo audio stream (since a single microphone in mounted on STM32F4-Discovery)</span></li>
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  543.                 <li><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">I2S2_Init()</span>: configures the I2S to clock the microphone at 1.024 MHz as required instead of 2.048MHz<br>
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  548.             <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: 180px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V2.0.1 / 19-June-2014 <o:p></o:p></span></h3>
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  645.                 <li><span style="font-size: 10pt; font-family: Verdana;">Enhance BSP_PB_Init() function by removing the call of __SYSCFG_CLK_ENABLE() already enabled in the HAL_GPIO_Init()</span></li>
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  649.                 <li><span style="font-size: 10pt; font-family: Verdana;">Add note that only the audio stereo format is supported</span></li>
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  651.               <li><span style="font-size: 10pt; font-family: Verdana;">Comments clean up and typo corrections<br>
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    744. 

  744. <li><span style="font-size: 10pt; font-family: Verdana;">Major update
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  745. based on STM32Cube specification: drivers architecture and APIs
    746. 

  746. modified vs. V1.1.2, and thus the 2 versions are not compatible.<br>
    747. 

  747. </span></li><li style="font-weight: bold;"><span style="font-size: 10pt; font-family: Verdana;">This version has to be used only with </span><span style="font-size: 10pt; font-family: Verdana;">STM32CubeF4</span><span style="font-size: 10pt; font-family: Verdana;"> based development</span></li>
    748. 

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    749. 

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  753. <ul style="margin-top: 0cm;" type="square"><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">PDM Library moved from <span style="font-style: italic;">Utilities\STM32F4-Discovery</span> to <span style="font-style: italic;">Utilities\STM32_Audio\Addons\PDM</span> folder</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">All source files: update disclaimer to add reference to the&nbsp;new license agreement</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">stm32f4_discovery_audio_codec.c&nbsp;</span></li><ul><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;">Audio_MAL_Init() function: </span><span style="font-size: 10pt; font-family: Verdana;">DMA configuration changed as below</span></li><ul><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">DMA_FIFOMode_Disable</span> changed to&nbsp;</span><span style="font-size: 10pt; font-family: Verdana; font-style: italic;">DMA_FIFOMode_Enable</span></li><li class="MsoNormal" style="color: black; margin-top: 4.5pt; margin-bottom: 4.5pt;"><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;">DMA_FIFOThreshold_1QuarterFull</span> changed to </span><span style="font-size: 10pt; font-family: Verdana; font-style: italic;">DMA_FIFOThreshold_HalfFull</span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-style: italic;"></span><br></span></li></ul></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: 230px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.1.0 / 28-October-2011</span></h3>
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  754.             <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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  757.             <ul style="margin-top: 0cm;" type="square"><li class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana;">Add&nbsp;<span style="font-weight: bold; font-style: italic;">PDM audio software decoding Library</span><span style="font-weight: bold;"></span> drivers, used to decode and reconstruct the audio signal produced by&nbsp;MP45DT02 MEMS microphone from </span><span style="font-size: 10pt; font-family: Arial; color: black;">STMicroelectronics.</span><span style="font-size: 10pt; font-family: Verdana;"><span style="font-weight: bold; font-style: italic;"> </span><span style="font-weight: bold;"></span>For more details about this Library, please refer to document<span style="font-weight: bold; font-style: italic;"> "PDM audio software decoding on STM32 microcontrollers (AN3998)".</span></span><span style="font-size: 10pt; font-family: Verdana;"></span></li><li class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana;">stm32f4_discovery_audio_codec.c/.h: update to use DMA instead of Interrupt in I2S communication with the external codec.</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: 218px;"><span style="font-size: 10pt; font-family: Arial; color: white;">V1.0.0 / 19-September-2011</span></h3>
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  758.             <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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  761.             <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;"> STM32F4-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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  766.             <div style="margin-left: 160px;"><span style="font-size: 10pt; font-family: Verdana; color: black;">For
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  767. complete documentation on </span><span style="font-size: 10pt; font-family: Verdana;">STM32<span style="color: black;">&nbsp;Microcontrollers
    768. 

  768. 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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