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>MI_CancelWram</title>
9<LINK rel="stylesheet" href="../../css/nitro.css" type="text/css">
10</head>
11
12<body>
13
14<h1 align="left">MI_CancelWram* <IMG src="../../image/TWL.gif" align="middle"></h1>
15<h2>Syntax</h2>
16
17<dl>
18  <dd>
19<CODE>#include &lt;twl/mi.h&gt;</CODE><BR>
20  <BR>
21  <CODE>void MI_CancelWram( <A href="../mi_constant.html">MIWramPos</A> wram, <A href="../mi_constant.html">MIWramProc</A> proc )</CODE><br>
22  <CODE>void MI_CancelWramSlot( <A href="../mi_constant.html">MIWramPos</A> wram, int slot, MIWramSize size, <A href="../mi_constant.html">MIWramProc</A> proc )</CODE><br>
23  <BR>
24  <CODE>(#define)<BR>
25  <font color="#7f7f7f">MI_CancelWram_A( proc )</font><br>
26  MI_CancelWram_B( proc )<BR>
27  MI_CancelWram_C( proc )<BR>
28  <font color="#7f7f7f">MI_CancelWramSlot_A( slot, size, proc )</font><BR>
29  MI_CancelWramSlot_B( slot, size, proc )<BR>
30  MI_CancelWramSlot_C( slot, size, proc )</CODE></dd>
31</dl>
32<h2>Arguments</h2>
33<TABLE border="1" width="100%">
34  <TBODY>
35    <TR>
36      <TD width="13%"><EM><STRONG>wram</STRONG></EM></TD>
37      <TD width="87%">WRAM to cancel the reservation for.</TD>
38    </TR>
39    <TR>
40      <TD><B><I>slot</I></B></TD>
41      <TD>Starting WRAM number of the region to cancel the reservation for.</TD>
42    </TR>
43    <TR>
44      <TD><B><I>size</I></B></TD>
45      <TD>Size of the region to cancel the reservation for.</TD>
46    </TR>
47    <TR>
48      <TD><B><I>proc</I></B></TD>
49      <TD>Processor to cancel the reservation for.</TD>
50    </TR>
51  </TBODY>
52</TABLE>
53
54<h2>Return Values</h2>
55<p>The number of WRAM slots for which reservations were cancelled. 0 indicates that no reservations were cancelled. -1 indicates a failure.</p>
56
57<H2>Description</H2>
58<P>Cancels the reservation of the specified WRAM for a given processor.</P>
59<P>It cancels a reservation for a region of WRAM that has been reserved with a <CODE><A href="MI_ReserveWram.html">MI_ReserveWram*</A></CODE> function. It will cancel all reservations within the specified WRAM for the specified processor. It will cancel reservations even if that region is in use. Even if a reservation is cancelled, the master processor for the given region will not change, and its content will not be lost.</P>
60<P>The <B><I>wram</I></B> argument indicates the target WRAM. This is of type <A href="../mi_constant.html"><CODE>MIWramPos</CODE></A>, and will be <CODE>MI_WRAM_A</CODE>, <CODE>MI_WRAM_B</CODE>, or <CODE>MI_WRAM_C</CODE>.</P>
61<P>The <B><I>slot</I></B> argument is the starting slot number for the region reservations are being cancelled for.</P>
62<P>The <B><I>size</I></B> argument is the size of the region to cancel the reservation for.</P>
63<P>The <B><I>proc</I></B> argument indicates which processor's reservations should be cancelled. This is of type <A href="../mi_constant.html"><CODE>MIWramProc</CODE></A> and will be <CODE>MI_WRAM_ARM9</CODE>, <CODE>MI_WRAM_ARM7</CODE>, or <CODE>MI_WRAM_DSP</CODE>.</P>
64<P><CODE><font color="#7f7f7f">MI_CancelWram_A</CODE> is the #define directive of <CODE><font color="#7f7f7f">MI_CancelWram( MI_WRAM_A, ... )</CODE>. </font><BR><CODE>MI_CancelWram_B</CODE> is the #define directive of <CODE>MI_CancelWram( MI_WRAM_B, ... )</CODE>. <BR><CODE>MI_CancelWram_C</CODE> is the #define directive of <CODE>MI_CancelWram( MI_WRAM_C, ... )</CODE>. <BR><font color="#7f7f7f"><CODE>MI_CancelWramSlot_A</CODE> is the #define directive of <font color="#7f7f7f"><CODE>MI_CancelWramSlot( MI_WRAM_A, ... )</CODE>. </font><BR><CODE>MI_CancelWramSlot_B</CODE> is the #define directive of <CODE>MI_CancelWramSlot( MI_WRAM_B, ... )</CODE>. <BR><CODE>MI_CancelWramSlot_C</CODE> is the #define directive of <CODE>MI_CancelWramSlot( MI_WRAM_C, ... )</CODE>. <BR></P>
65<P><CODE>MI_CancelWram() </CODE> frees all regions reserved for the specified processor within the specified WRAM.</P>
66<P><CODE>MI_CancelWramSlot() </CODE> specifies a region within the specified WRAM by its <B><I>slot</I></B> and <B><I>size</I></B>, and frees all regions contained therein that are reserved for the specified processor.</P>
67<P><BR> (Example) Here, we will cancel all reservations for the DSP in WRAM-C.<BR> <BR> <CODE>MI_CancelWram( MI_WRAM_C, MI_WRAM_DSP );</CODE><BR> OR <BR> <CODE>MI_CancelWram_C( MI_WRAM_DSP );</CODE><BR>
68</P>
69<P><BR> (Example) Here, we will cancel all reservations for the DSP in the 96 KB area of WRAM-C that starts with slot 2.<BR> <BR> <CODE>MI_CancelWramSlot( MI_WRAM_C, 2, MI_WRAM_SIZE_96KB, MI_WRAM_DSP );</CODE><BR> OR <BR> <CODE>MI_CancelWramSlot_C( 2, MI_WRAM_SIZE_96KB, MI_WRAM_DSP );</CODE></P>
70<P><BR>
71</P>
72<h2>See Also</h2>
73<P><A href="about_Wram.html">Overview (Work RAM)</A>, <A href="../mi_constant.html">MI-Related Constants</A></P>
74
75
76<H2>Revision History</H2>
77<P>2007/08/20 Initial version.</P>
78<hr><p>CONFIDENTIAL</p></body>
79</html>
80