1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2<html>
3
4<head>
5<META http-equiv="Content-Type" content="text/html; charset=windows-1252">
6<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 7.0.0.0 for Windows">
7<META http-equiv="Content-Style-Type" content="text/css">
8<title>G3X_GetCommandFifoStatus</title>
9<LINK rel="stylesheet" href="../../css/nitro.css" type="text/css">
10</head>
11
12<body>
13
14<h1 align="left">G3X_GetCommandFifoStatus <img src="../../image/NTR.gif"align="middle"><img src="../../image/TWL.gif" align="middle"></H1>
15<H2>Syntax</H2>
16
17<dl>
18  <dd>
19<PRE><CODE>#include &lt;nitro/gx/g3x.h&gt;
20
21GXFifoStat G3X_GetCommandFifoStatus(void);<BR></CODE></PRE>
22  </dd>
23</dl><h2>Arguments</h2>
24<P>None.</P>
25<h2>Return Values</h2>
26<p>General status of the Command FIFO.</p>
27<H2>Description</H2>
28<P>This function returns the Command FIFO status as one of four states: Empty, Less than half full, More than half full, or Full.<BR>
29</P>
30<TABLE border="1">
31  <TBODY>
32    <TR>
33      <TD width="30%"><CODE>GX_FIFOSTAT_EMPTY</CODE></TD>
34      <TD>Command FIFO is empty.</TD>
35    </TR>
36    <TR>
37      <TD><CODE>GX_FIFOSTAT_UNDERHALF</CODE></TD>
38      <TD>Command FIFO is less than half full but it is not empty.</TD>
39    </TR>
40    <TR>
41      <TD><CODE>GX_FIFOSTAT_OVERHALF</CODE></TD>
42      <TD>Command FIFO is more than half full but it is not full.</TD>
43    </TR>
44    <TR>
45      <TD><CODE>GX_FIFOSTAT_FULL</CODE></TD>
46      <TD>Command FIFO is full.</TD>
47    </TR>
48  </TBODY>
49</TABLE>
50<P>The following describes the type definition for the <code>GXFifoStat</code> format.</P>
51<PRE><CODE>typedef enum
52{
53    GX_FIFOSTAT_EMPTY = 6,
54    GX_FIFOSTAT_UNDERHALF = 2,
55    GX_FIFOSTAT_OVERHALF = 0,
56    GX_FIFOSTAT_FULL = 1
57}
58GXFifoStat;</CODE></PRE>
59<h2>See Also</h2>
60<H2>Revision History</H2>
61<P>2004/01/19 Initial version.</P>
62<hr><p>CONFIDENTIAL</p></body>
63</html>
64