1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml">
3  <head>
4    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5    <meta http-equiv="Content-Style-Type" content="text/css" />
6    <link rel="stylesheet" href="../css/manpage.css" type="text/css" />
7<title>DEVHIO_sio_write</title>
8  </head>
9  <body>
10<h1><CODE>DEVHIO_sio_write</CODE> Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;kmc/hio/devhio_sio.h&gt;
14
15int DEVHIO_sio_write(
16     int ch,
17     const void * buf,
18     int length,
19     int attr
20);
21</pre>
22    </div>
23<h2>Arguments</h2>
24    <div class="section">
25      <table class="arguments">
26        <thead>
27          <tr>
28            <td width="15" />
29<th>Name</th>
30<td>Description</td>
31          </tr>
32        </thead>
33        <tr>
34<td>in</td>
35<th>ch</th>
36<td>Channel number (from <CODE>0</CODE> to <CODE>DEVHIO_COMM_MAX_CHANNEL-1</CODE>).</td>
37        </tr>
38        <tr>
39<td>in</td>
40<th>buf</th>
41<td>Send buffer.</td>
42        </tr>
43        <tr>
44<td>in</td>
45<th>length</th>
46<td>Length of the data to send.</td>
47        </tr>
48        <tr>
49<td>in</td>
50<th>attr</th>
51<td>Specifying <CODE>DEVHIO_SIO_ATTR_NONE</CODE> causes the function to block until the specified amount of data is sent.<br />Specifying <CODE>DEVHIO_SIO_ATTR_NOWAIT</CODE> causes the function to return either when the specified amount of data is sent or when the receive buffer becomes full (whichever comes first).</td>
52        </tr> </table>
53    </div>
54<h2>Return Values</h2>
55<div class="section">Negative value: Error.<br />Zero or greater: Sent data. </div>
56<h2>Description</h2>
57    <div class="section">
58<p>Sends data via serial communication.</p><!-- write here --></div>
59<h2>Revision History</h2>
60    <div class="section">
61      <dl class="history">
62        <dt>2010/08/16</dt>
63<dd>Initial version.<br />
64        </dd>
65      </dl>
66    </div>
67  <hr><p>CONFIDENTIAL</p></body>
68</html>