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<h1>uart_posix.c File Reference</h1> </div>
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<p>POSIX UART driver.
<a href="#_details">More...</a></p>
<div class="textblock"><code>#include <sys/select.h></code><br/>
<code>#include <sys/param.h></code><br/>
<code>#include <termios.h></code><br/>
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<p><a href="uart__posix_8c_source.html">Go to the source code of this file.</a></p>
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Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="uart__posix_8c.html#aeb000edb71dd276a97bf8aa173f4aa50">UART_BAUDRATE_T0_BYTE_DURATION</a>(X)   ((1000000 * 10)/ X)</td></tr>
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Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="uart__posix_8c.html#a51a4c4c363a0de96e1e9df399ae8b2f4">uart_receive</a> (serial_port sp, byte_t *pbtRx, size_t *pszRx)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Receive data from UART and copy data to <em>pbtRx</em>. <a href="#a51a4c4c363a0de96e1e9df399ae8b2f4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="uart__posix_8c.html#a39c415b8d6fa14b2168f2a35cbac48d0">uart_send</a> (serial_port sp, const byte_t *pbtTx, const size_t szTx)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Send <em>pbtTx</em> content to UART. <a href="#a39c415b8d6fa14b2168f2a35cbac48d0"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>POSIX UART driver. </p>
<p>Definition in file <a class="el" href="uart__posix_8c_source.html">uart_posix.c</a>.</p>
</div><hr/><h2>Define Documentation</h2>
<a class="anchor" id="aeb000edb71dd276a97bf8aa173f4aa50"></a><!-- doxytag: member="uart_posix.c::UART_BAUDRATE_T0_BYTE_DURATION" ref="aeb000edb71dd276a97bf8aa173f4aa50" args="(X)" -->
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<td class="memname">#define UART_BAUDRATE_T0_BYTE_DURATION</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">X</td><td>)</td>
<td>   ((1000000 * 10)/ X)</td>
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<dl class="note"><dt><b>Note:</b></dt><dd>This define convert a Baud rate in a per-byte duration (in µs) Bauds are "symbols per second", so each symbol is bit here. We want to convert Bd to bytes/s in first time, 1 serial-transmitted byte is (in 8N1):<ul>
<li>1 start bit,</li>
<li>8 data bits,</li>
<li>1 stop bit.</li>
</ul>
</dd></dl>
<p>In 8N1 mode, byte-rate = baud-rate / 10 </p>
<p>Definition at line <a class="el" href="uart__posix_8c_source.html#l00099">99</a> of file <a class="el" href="uart__posix_8c_source.html">uart_posix.c</a>.</p>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a51a4c4c363a0de96e1e9df399ae8b2f4"></a><!-- doxytag: member="uart_posix.c::uart_receive" ref="a51a4c4c363a0de96e1e9df399ae8b2f4" args="(serial_port sp, byte_t *pbtRx, size_t *pszRx)" -->
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<td class="memname">int uart_receive </td>
<td>(</td>
<td class="paramtype">serial_port </td>
<td class="paramname"><em>sp</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">byte_t * </td>
<td class="paramname"><em>pbtRx</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t * </td>
<td class="paramname"><em>pszRx</em> </td>
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<td></td>
<td>)</td>
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<p>Receive data from UART and copy data to <em>pbtRx</em>. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success, otherwise driver error code </dd></dl>
<p>Definition at line <a class="el" href="uart__posix_8c_source.html#l00212">212</a> of file <a class="el" href="uart__posix_8c_source.html">uart_posix.c</a>.</p>
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<a class="anchor" id="a39c415b8d6fa14b2168f2a35cbac48d0"></a><!-- doxytag: member="uart_posix.c::uart_send" ref="a39c415b8d6fa14b2168f2a35cbac48d0" args="(serial_port sp, const byte_t *pbtTx, const size_t szTx)" -->
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<td class="memname">int uart_send </td>
<td>(</td>
<td class="paramtype">serial_port </td>
<td class="paramname"><em>sp</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const byte_t * </td>
<td class="paramname"><em>pbtTx</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const size_t </td>
<td class="paramname"><em>szTx</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Send <em>pbtTx</em> content to UART. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success, otherwise a driver error is returned </dd></dl>
<p>Definition at line <a class="el" href="uart__posix_8c_source.html#l00279">279</a> of file <a class="el" href="uart__posix_8c_source.html">uart_posix.c</a>.</p>
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