1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>uart_insert_char</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="uart16x50.html" title="Chapter&#160;6.&#160;16x50 UART Driver"><link rel="prev" href="API-uart-handle-cts-change.html" title="uart_handle_cts_change"><link rel="next" href="API-serial8250-get-port.html" title="serial8250_get_port"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">uart_insert_char</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-uart-handle-cts-change.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;6.&#160;16x50 UART Driver</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-serial8250-get-port.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-uart-insert-char"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>uart_insert_char &#8212; 
2     push a char to the uart layer
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">void <b class="fsfunc">uart_insert_char </b>(</code></td><td>struct uart_port * <var class="pdparam">port</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">status</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">overrun</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">ch</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">flag</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1113901556"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>port</code></em></span></dt><dd><p>
4     corresponding port
5    </p></dd><dt><span class="term"><em class="parameter"><code>status</code></em></span></dt><dd><p>
6     state of the serial port RX buffer (LSR for 8250)
7    </p></dd><dt><span class="term"><em class="parameter"><code>overrun</code></em></span></dt><dd><p>
8     mask of overrun bits in <em class="parameter"><code>status</code></em>
9    </p></dd><dt><span class="term"><em class="parameter"><code>ch</code></em></span></dt><dd><p>
10     character to push
11    </p></dd><dt><span class="term"><em class="parameter"><code>flag</code></em></span></dt><dd><p>
12     flag for the character (see TTY_NORMAL and friends)
13    </p></dd></dl></div></div><div class="refsect1"><a name="idp1113907660"></a><h2>Description</h2><p>
14   </p><p>
15
16   User is responsible to call tty_flip_buffer_push when they are done with
17   insertion.
18</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-uart-handle-cts-change.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="uart16x50.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-serial8250-get-port.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">uart_handle_cts_change</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">serial8250_get_port</span></td></tr></table></div></body></html>
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