Added doxygen output of current emulator branch.
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Timo Lang
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group___u_s_a_r_t___group2.html
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">Data transfers functions<div class="ingroups"><a class="el" href="group___s_t_m32_f4xx___std_periph___driver.html">STM32F4xx_StdPeriph_Driver</a> » <a class="el" href="group___u_s_a_r_t.html">USART</a> » <a class="el" href="group___u_s_a_r_t___private___functions.html">USART_Private_Functions</a></div></div> </div>
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</div><!--header-->
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<div class="contents">
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<p>Data transfers functions.
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<a href="#details">More...</a></p>
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<div class="dynheader">
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Collaboration diagram for Data transfers functions:</div>
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<div class="dyncontent">
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<center><table><tr><td><img src="group___u_s_a_r_t___group2.png" border="0" alt="" usemap="#group______u__s__a__r__t______group2"/>
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<map name="group______u__s__a__r__t______group2" id="group______u__s__a__r__t______group2">
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<area shape="rect" id="node2" href="group___u_s_a_r_t___private___functions.html" title="USART_Private_Functions" alt="" coords="5,5,180,32"/></map>
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</td></tr></table></center>
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</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga0b43d42da9540f446d494bf69823c6fb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___u_s_a_r_t___group2.html#ga0b43d42da9540f446d494bf69823c6fb">USART_SendData</a> (<a class="el" href="struct_u_s_a_r_t___type_def.html">USART_TypeDef</a> *USARTx, uint16_t Data)</td></tr>
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<tr class="memdesc:ga0b43d42da9540f446d494bf69823c6fb"><td class="mdescLeft"> </td><td class="mdescRight">Transmits single data through the USARTx peripheral. <a href="#ga0b43d42da9540f446d494bf69823c6fb">More...</a><br /></td></tr>
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<tr class="separator:ga0b43d42da9540f446d494bf69823c6fb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac67a91845b0b1d54d31bdfb1c5e9867c"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___u_s_a_r_t___group2.html#gac67a91845b0b1d54d31bdfb1c5e9867c">USART_ReceiveData</a> (<a class="el" href="struct_u_s_a_r_t___type_def.html">USART_TypeDef</a> *USARTx)</td></tr>
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<tr class="memdesc:gac67a91845b0b1d54d31bdfb1c5e9867c"><td class="mdescLeft"> </td><td class="mdescRight">Returns the most recent received data by the USARTx peripheral. <a href="#gac67a91845b0b1d54d31bdfb1c5e9867c">More...</a><br /></td></tr>
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<tr class="separator:gac67a91845b0b1d54d31bdfb1c5e9867c"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Data transfers functions. </p>
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<pre class="fragment"> ===============================================================================
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##### Data transfers functions #####
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===============================================================================
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[..]
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This subsection provides a set of functions allowing to manage the USART data
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transfers.
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[..]
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During an USART reception, data shifts in least significant bit first through
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the RX pin. In this mode, the USART_DR register consists of a buffer (RDR)
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between the internal bus and the received shift register.
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[..]
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When a transmission is taking place, a write instruction to the USART_DR register
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stores the data in the TDR register and which is copied in the shift register
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at the end of the current transmission.
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[..]
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The read access of the USART_DR register can be done using the USART_ReceiveData()
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function and returns the RDR buffered value. Whereas a write access to the USART_DR
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can be done using USART_SendData() function and stores the written data into
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TDR buffer.</pre> <h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="gac67a91845b0b1d54d31bdfb1c5e9867c"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">uint16_t USART_ReceiveData </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_u_s_a_r_t___type_def.html">USART_TypeDef</a> * </td>
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<td class="paramname"><em>USARTx</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Returns the most recent received data by the USARTx peripheral. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">USARTx</td><td>where x can be 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or UART peripheral. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">The</td><td>received data. </td></tr>
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</table>
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</dd>
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</dl>
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<a class="anchor" id="ga0b43d42da9540f446d494bf69823c6fb"></a>
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<div class="memitem">
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<tr>
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<td class="memname">void USART_SendData </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_u_s_a_r_t___type_def.html">USART_TypeDef</a> * </td>
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<td class="paramname"><em>USARTx</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint16_t </td>
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<td class="paramname"><em>Data</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>Transmits single data through the USARTx peripheral. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">USARTx</td><td>where x can be 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or UART peripheral. </td></tr>
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<tr><td class="paramname">Data</td><td>the data to transmit. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">None</td><td></td></tr>
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</table>
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</dd>
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</dl>
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