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<div class="title">UART_EX<div class="ingroups"><a class="el" href="group__sdk.html">Ameba SDK</a> » <a class="el" href="group__hal.html">HAL</a></div></div> </div>
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<p>uart extended functions
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
Ameba Common</h2></td></tr>
<tr class="memitem:gaae69ac776dfba76a2d06c1f3bb283851"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#gaae69ac776dfba76a2d06c1f3bb283851">SerialFifoLevel</a> { <a class="el" href="group__uart__ex.html#ggaae69ac776dfba76a2d06c1f3bb283851a629815658176163a8acae1f0fde5203c">FifoLv1Byte</a> =0,
<a class="el" href="group__uart__ex.html#ggaae69ac776dfba76a2d06c1f3bb283851a6bb06d5ac76c6dd6fc9b533932f39678">FifoLvQuarter</a> =1,
<a class="el" href="group__uart__ex.html#ggaae69ac776dfba76a2d06c1f3bb283851ad3c35e3fc540651e7ab491d171f1ee3e">FifoLvHalf</a> =2,
<a class="el" href="group__uart__ex.html#ggaae69ac776dfba76a2d06c1f3bb283851a1e520509c366e49410c8a774a63e14d1">FifoLvFull</a> =3
}<tr class="memdesc:gaae69ac776dfba76a2d06c1f3bb283851"><td class="mdescLeft"> </td><td class="mdescRight">Define RX FIFO Level: RX interrupt trigger, RTS de-assert trigger. <a href="group__uart__ex.html#gaae69ac776dfba76a2d06c1f3bb283851">More...</a><br /></td></tr>
</td></tr>
<tr class="separator:gaae69ac776dfba76a2d06c1f3bb283851"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafc1607fe9a1a038b2d535a05a6baa214"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#gafc1607fe9a1a038b2d535a05a6baa214">serial_clear_tx</a> (serial_t *obj)</td></tr>
<tr class="memdesc:gafc1607fe9a1a038b2d535a05a6baa214"><td class="mdescLeft"> </td><td class="mdescRight">Clear TX fifo. <a href="#gafc1607fe9a1a038b2d535a05a6baa214">More...</a><br /></td></tr>
<tr class="separator:gafc1607fe9a1a038b2d535a05a6baa214"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7d4d77c21dd065c49093cab3ab06f587"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga7d4d77c21dd065c49093cab3ab06f587">serial_clear_rx</a> (serial_t *obj)</td></tr>
<tr class="memdesc:ga7d4d77c21dd065c49093cab3ab06f587"><td class="mdescLeft"> </td><td class="mdescRight">Clear RX fifo. <a href="#ga7d4d77c21dd065c49093cab3ab06f587">More...</a><br /></td></tr>
<tr class="separator:ga7d4d77c21dd065c49093cab3ab06f587"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac1abef956bdc700f579be4ce93d5dd50"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#gac1abef956bdc700f579be4ce93d5dd50">serial_send_comp_handler</a> (serial_t *obj, void *handler, uint32_t id)</td></tr>
<tr class="memdesc:gac1abef956bdc700f579be4ce93d5dd50"><td class="mdescLeft"> </td><td class="mdescRight">set TX complete handler. <a href="#gac1abef956bdc700f579be4ce93d5dd50">More...</a><br /></td></tr>
<tr class="separator:gac1abef956bdc700f579be4ce93d5dd50"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga141a535c230477538e2ce910c1e78031"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga141a535c230477538e2ce910c1e78031">serial_recv_comp_handler</a> (serial_t *obj, void *handler, uint32_t id)</td></tr>
<tr class="memdesc:ga141a535c230477538e2ce910c1e78031"><td class="mdescLeft"> </td><td class="mdescRight">set RX complete handler. <a href="#ga141a535c230477538e2ce910c1e78031">More...</a><br /></td></tr>
<tr class="separator:ga141a535c230477538e2ce910c1e78031"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9537cdeccedefd4f3e98c7fde85802ac"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga9537cdeccedefd4f3e98c7fde85802ac">serial_recv_blocked</a> (serial_t *obj, char *prxbuf, uint32_t len, uint32_t timeout_ms)</td></tr>
<tr class="memdesc:ga9537cdeccedefd4f3e98c7fde85802ac"><td class="mdescLeft"> </td><td class="mdescRight">recv target length data use poll mode, with time out. <a href="#ga9537cdeccedefd4f3e98c7fde85802ac">More...</a><br /></td></tr>
<tr class="separator:ga9537cdeccedefd4f3e98c7fde85802ac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga42783242908dd4ac6f6920498c272a0e"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga42783242908dd4ac6f6920498c272a0e">serial_send_blocked</a> (serial_t *obj, char *ptxbuf, uint32_t len, uint32_t timeout_ms)</td></tr>
<tr class="memdesc:ga42783242908dd4ac6f6920498c272a0e"><td class="mdescLeft"> </td><td class="mdescRight">send target length data use poll mode, with time out. <a href="#ga42783242908dd4ac6f6920498c272a0e">More...</a><br /></td></tr>
<tr class="separator:ga42783242908dd4ac6f6920498c272a0e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa1200de726e3504be3ca71734168039e"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#gaa1200de726e3504be3ca71734168039e">serial_recv_stream</a> (serial_t *obj, char *prxbuf, uint32_t len)</td></tr>
<tr class="memdesc:gaa1200de726e3504be3ca71734168039e"><td class="mdescLeft"> </td><td class="mdescRight">recv target length data use interrupt mode. <a href="#gaa1200de726e3504be3ca71734168039e">More...</a><br /></td></tr>
<tr class="separator:gaa1200de726e3504be3ca71734168039e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaabc9455f66244de4aafa0b0d11584547"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#gaabc9455f66244de4aafa0b0d11584547">serial_send_stream</a> (serial_t *obj, char *ptxbuf, uint32_t len)</td></tr>
<tr class="memdesc:gaabc9455f66244de4aafa0b0d11584547"><td class="mdescLeft"> </td><td class="mdescRight">send target length data use interrupt mode. <a href="#gaabc9455f66244de4aafa0b0d11584547">More...</a><br /></td></tr>
<tr class="separator:gaabc9455f66244de4aafa0b0d11584547"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga29baa7dd4894851f210b6ac3952b7b10"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga29baa7dd4894851f210b6ac3952b7b10">serial_recv_stream_dma</a> (serial_t *obj, char *prxbuf, uint32_t len)</td></tr>
<tr class="memdesc:ga29baa7dd4894851f210b6ac3952b7b10"><td class="mdescLeft"> </td><td class="mdescRight">recv target length data use DMA mode. <a href="#ga29baa7dd4894851f210b6ac3952b7b10">More...</a><br /></td></tr>
<tr class="separator:ga29baa7dd4894851f210b6ac3952b7b10"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga73bdb06d7c52fb381916bf6d11666b73"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga73bdb06d7c52fb381916bf6d11666b73">serial_send_stream_dma</a> (serial_t *obj, char *ptxbuf, uint32_t len)</td></tr>
<tr class="memdesc:ga73bdb06d7c52fb381916bf6d11666b73"><td class="mdescLeft"> </td><td class="mdescRight">send target length data use DMA mode. <a href="#ga73bdb06d7c52fb381916bf6d11666b73">More...</a><br /></td></tr>
<tr class="separator:ga73bdb06d7c52fb381916bf6d11666b73"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7582bf8f1eb4d62350a7b441bc54e984"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga7582bf8f1eb4d62350a7b441bc54e984">serial_send_stream_abort</a> (serial_t *obj)</td></tr>
<tr class="memdesc:ga7582bf8f1eb4d62350a7b441bc54e984"><td class="mdescLeft"> </td><td class="mdescRight">stop the sream or steam_dma RX. <a href="#ga7582bf8f1eb4d62350a7b441bc54e984">More...</a><br /></td></tr>
<tr class="separator:ga7582bf8f1eb4d62350a7b441bc54e984"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gad88e76ca3c88a04021a950fca32d5e19"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#gad88e76ca3c88a04021a950fca32d5e19">serial_recv_stream_abort</a> (serial_t *obj)</td></tr>
<tr class="memdesc:gad88e76ca3c88a04021a950fca32d5e19"><td class="mdescLeft"> </td><td class="mdescRight">stop the sream or steam_dma TX. <a href="#gad88e76ca3c88a04021a950fca32d5e19">More...</a><br /></td></tr>
<tr class="separator:gad88e76ca3c88a04021a950fca32d5e19"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga722d19856b309bb28659ee5c1361a6c5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga722d19856b309bb28659ee5c1361a6c5">serial_disable</a> (serial_t *obj)</td></tr>
<tr class="memdesc:ga722d19856b309bb28659ee5c1361a6c5"><td class="mdescLeft"> </td><td class="mdescRight">disable uart clock and function. <a href="#ga722d19856b309bb28659ee5c1361a6c5">More...</a><br /></td></tr>
<tr class="separator:ga722d19856b309bb28659ee5c1361a6c5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9ceb6bf74153d664fb8aec8aaa204f4f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga9ceb6bf74153d664fb8aec8aaa204f4f">serial_enable</a> (serial_t *obj)</td></tr>
<tr class="memdesc:ga9ceb6bf74153d664fb8aec8aaa204f4f"><td class="mdescLeft"> </td><td class="mdescRight">enable uart clock and function. <a href="#ga9ceb6bf74153d664fb8aec8aaa204f4f">More...</a><br /></td></tr>
<tr class="separator:ga9ceb6bf74153d664fb8aec8aaa204f4f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3d607d84c16fa477865377f5b2ab83a1"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga3d607d84c16fa477865377f5b2ab83a1">serial_recv_stream_timeout</a> (serial_t *obj, char *prxbuf, uint32_t len, uint32_t timeout_ms, void *force_cs)</td></tr>
<tr class="memdesc:ga3d607d84c16fa477865377f5b2ab83a1"><td class="mdescLeft"> </td><td class="mdescRight">recv target length data use interrupt mode. <a href="#ga3d607d84c16fa477865377f5b2ab83a1">More...</a><br /></td></tr>
<tr class="separator:ga3d607d84c16fa477865377f5b2ab83a1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2007e2b9e30b78340100d2bc100d75fd"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__uart__ex.html#ga2007e2b9e30b78340100d2bc100d75fd">serial_recv_stream_dma_timeout</a> (serial_t *obj, char *prxbuf, uint32_t len, uint32_t timeout_ms, void *force_cs)</td></tr>
<tr class="memdesc:ga2007e2b9e30b78340100d2bc100d75fd"><td class="mdescLeft"> </td><td class="mdescRight">recv target length data use DMA mode. <a href="#ga2007e2b9e30b78340100d2bc100d75fd">More...</a><br /></td></tr>
<tr class="separator:ga2007e2b9e30b78340100d2bc100d75fd"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>uart extended functions </p>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a class="anchor" id="gaae69ac776dfba76a2d06c1f3bb283851"></a>
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<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="group__uart__ex.html#gaae69ac776dfba76a2d06c1f3bb283851">SerialFifoLevel</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Define RX FIFO Level: RX interrupt trigger, RTS de-assert trigger. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="ggaae69ac776dfba76a2d06c1f3bb283851a629815658176163a8acae1f0fde5203c"></a>FifoLv1Byte </td><td class="fielddoc">
<p>1-byte </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="ggaae69ac776dfba76a2d06c1f3bb283851a6bb06d5ac76c6dd6fc9b533932f39678"></a>FifoLvQuarter </td><td class="fielddoc">
<p>4-byte </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="ggaae69ac776dfba76a2d06c1f3bb283851ad3c35e3fc540651e7ab491d171f1ee3e"></a>FifoLvHalf </td><td class="fielddoc">
<p>8-byte </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="ggaae69ac776dfba76a2d06c1f3bb283851a1e520509c366e49410c8a774a63e14d1"></a>FifoLvFull </td><td class="fielddoc">
<p>14-byte </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga7d4d77c21dd065c49093cab3ab06f587"></a>
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<td class="memname">void serial_clear_rx </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Clear RX fifo. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gafc1607fe9a1a038b2d535a05a6baa214"></a>
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<td class="memname">void serial_clear_tx </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Clear TX fifo. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga722d19856b309bb28659ee5c1361a6c5"></a>
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<td class="memname">void serial_disable </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>disable uart clock and function. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga9ceb6bf74153d664fb8aec8aaa204f4f"></a>
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<td class="memname">void serial_enable </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>enable uart clock and function. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga9537cdeccedefd4f3e98c7fde85802ac"></a>
<div class="memitem">
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<td class="memname">int32_t serial_recv_blocked </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>prxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>timeout_ms</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>recv target length data use poll mode, with time out. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">ptxbuf</td><td>buffer to be written to Tx FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be recv. </td></tr>
<tr><td class="paramname">timeout_ms</td><td>polling time before timeout. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>return received bytes count </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is synchronous API. </dd></dl>
</div>
</div>
<a class="anchor" id="ga141a535c230477538e2ce910c1e78031"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void serial_recv_comp_handler </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>handler</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>id</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>set RX complete handler. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">handler</td><td>RX complete callback function. </td></tr>
<tr><td class="paramname">id</td><td>RX complete callback function parameter. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is used when asynchronous API is used. </dd></dl>
</div>
</div>
<a class="anchor" id="gaa1200de726e3504be3ca71734168039e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_recv_stream </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>prxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>recv target length data use interrupt mode. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">prxbuf</td><td>buffer to save data read from UART FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be read. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>HAL_Status </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is asynchronous API. </dd></dl>
</div>
</div>
<a class="anchor" id="gad88e76ca3c88a04021a950fca32d5e19"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_recv_stream_abort </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>stop the sream or steam_dma TX. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>HAL_Status </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga29baa7dd4894851f210b6ac3952b7b10"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_recv_stream_dma </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>prxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>recv target length data use DMA mode. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">prxbuf</td><td>buffer to save data read from UART FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be read. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>HAL_Status </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is asynchronous API. </dd></dl>
</div>
</div>
<a class="anchor" id="ga2007e2b9e30b78340100d2bc100d75fd"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_recv_stream_dma_timeout </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>prxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>timeout_ms</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>force_cs</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>recv target length data use DMA mode. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">prxbuf</td><td>buffer to save data read from UART FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be recv. </td></tr>
<tr><td class="paramname">timeout_ms</td><td>polling time before timeout. </td></tr>
<tr><td class="paramname">force_cs</td><td>forcing context switch function. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>the byte count received before timeout, or error(<0) </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is asynchronous API. </dd></dl>
</div>
</div>
<a class="anchor" id="ga3d607d84c16fa477865377f5b2ab83a1"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_recv_stream_timeout </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>prxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>timeout_ms</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>force_cs</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>recv target length data use interrupt mode. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">prxbuf</td><td>buffer to save data read from UART FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be recv. </td></tr>
<tr><td class="paramname">timeout_ms</td><td>polling time before timeout. </td></tr>
<tr><td class="paramname">force_cs</td><td>forcing context switch function. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>the byte count received before timeout, or error(<0) </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is asynchronous API. </dd></dl>
</div>
</div>
<a class="anchor" id="ga42783242908dd4ac6f6920498c272a0e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_send_blocked </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>ptxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>timeout_ms</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>send target length data use poll mode, with time out. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">ptxbuf</td><td>buffer to be written to Tx FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be send. </td></tr>
<tr><td class="paramname">timeout_ms</td><td>polling time before timeout. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>transmitted bytes count </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is synchronous API. </dd></dl>
</div>
</div>
<a class="anchor" id="gac1abef956bdc700f579be4ce93d5dd50"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void serial_send_comp_handler </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>handler</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>id</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>set TX complete handler. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">handler</td><td>TX complete callback function. </td></tr>
<tr><td class="paramname">id</td><td>TX complete callback function parameter. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is used when asynchronous API is used. </dd></dl>
</div>
</div>
<a class="anchor" id="gaabc9455f66244de4aafa0b0d11584547"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_send_stream </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>ptxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>send target length data use interrupt mode. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">ptxbuf</td><td>buffer to be written to Tx FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be send. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>HAL_Status </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is asynchronous API. </dd></dl>
</div>
</div>
<a class="anchor" id="ga7582bf8f1eb4d62350a7b441bc54e984"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_send_stream_abort </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>stop the sream or steam_dma RX. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>HAL_Status </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga73bdb06d7c52fb381916bf6d11666b73"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int32_t serial_send_stream_dma </td>
<td>(</td>
<td class="paramtype">serial_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char * </td>
<td class="paramname"><em>ptxbuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>send target length data use DMA mode. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>uart object define in application software. </td></tr>
<tr><td class="paramname">ptxbuf</td><td>buffer to be written to Tx FIFO. </td></tr>
<tr><td class="paramname">len</td><td>number of data to be send. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"></td><td>HAL_Status </td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>this function is asynchronous API. </dd></dl>
</div>
</div>
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