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<a href="#func-members">Functions</a> </div>
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<div class="title">DMA transfers management 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___i2_c.html">I2C</a> » <a class="el" href="group___i2_c___private___functions.html">I2C_Private_Functions</a></div></div> </div>
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<p>DMA transfers management functions.
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<a href="#details">More...</a></p>
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Collaboration diagram for DMA transfers management functions:</div>
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<div class="dyncontent">
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<center><table><tr><td><img src="group___i2_c___group4.png" border="0" alt="" usemap="#group______i2__c______group4"/>
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<map name="group______i2__c______group4" id="group______i2__c______group4">
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<area shape="rect" id="node1" href="group___i2_c___private___functions.html" title="I2C_Private_Functions" alt="" coords="5,13,156,39"/></map>
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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:ga38502ce11e5ec923e0f6476aaa35b45c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i2_c___group4.html#ga38502ce11e5ec923e0f6476aaa35b45c">I2C_DMACmd</a> (<a class="el" href="struct_i2_c___type_def.html">I2C_TypeDef</a> *I2Cx, FunctionalState NewState)</td></tr>
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<tr class="memdesc:ga38502ce11e5ec923e0f6476aaa35b45c"><td class="mdescLeft"> </td><td class="mdescRight">Enables or disables the specified I2C DMA requests. <a href="#ga38502ce11e5ec923e0f6476aaa35b45c">More...</a><br /></td></tr>
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<tr class="separator:ga38502ce11e5ec923e0f6476aaa35b45c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab2e994c5681eb6ec7c26a03ffe1de060"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i2_c___group4.html#gab2e994c5681eb6ec7c26a03ffe1de060">I2C_DMALastTransferCmd</a> (<a class="el" href="struct_i2_c___type_def.html">I2C_TypeDef</a> *I2Cx, FunctionalState NewState)</td></tr>
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<tr class="memdesc:gab2e994c5681eb6ec7c26a03ffe1de060"><td class="mdescLeft"> </td><td class="mdescRight">Specifies that the next DMA transfer is the last one. <a href="#gab2e994c5681eb6ec7c26a03ffe1de060">More...</a><br /></td></tr>
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<tr class="separator:gab2e994c5681eb6ec7c26a03ffe1de060"><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>DMA transfers management functions. </p>
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<pre class="fragment"> ===============================================================================
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##### DMA transfers management functions #####
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===============================================================================
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This section provides functions allowing to configure the I2C DMA channels
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requests.</pre> <h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="ga38502ce11e5ec923e0f6476aaa35b45c"></a>
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<div class="memitem">
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<td class="memname">void I2C_DMACmd </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_i2_c___type_def.html">I2C_TypeDef</a> * </td>
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<td class="paramname"><em>I2Cx</em>, </td>
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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">FunctionalState </td>
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<td class="paramname"><em>NewState</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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</tr>
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</table>
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</div><div class="memdoc">
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<p>Enables or disables the specified I2C DMA requests. </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">I2Cx</td><td>where x can be 1, 2 or 3 to select the I2C peripheral. </td></tr>
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<tr><td class="paramname">NewState</td><td>new state of the I2C DMA transfer. This parameter can be: ENABLE or DISABLE. </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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<a class="anchor" id="gab2e994c5681eb6ec7c26a03ffe1de060"></a>
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<table class="memname">
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<td class="memname">void I2C_DMALastTransferCmd </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_i2_c___type_def.html">I2C_TypeDef</a> * </td>
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<td class="paramname"><em>I2Cx</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">FunctionalState </td>
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<td class="paramname"><em>NewState</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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</tr>
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</table>
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</div><div class="memdoc">
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<p>Specifies that the next DMA transfer is the last one. </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">I2Cx</td><td>where x can be 1, 2 or 3 to select the I2C peripheral. </td></tr>
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<tr><td class="paramname">NewState</td><td>new state of the I2C DMA last transfer. This parameter can be: ENABLE or DISABLE. </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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