blob: 475b8f4ad97382afc1d02ecba95e0d0c46b234db (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>DAP_TransferBlock</title>
<title>CMSIS-DAP: DAP_TransferBlock</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="cmsis.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="printComponentTabs.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="stylsheetf" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 46px;">
<td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
<td style="padding-left: 0.5em;">
<div id="projectname">CMSIS-DAP
 <span id="projectnumber">Version 1.1.0</span>
</div>
<div id="projectbrief">Interface Firmware for CoreSight Debug Access Port</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<div id="CMSISnav" class="tabs1">
<ul class="tablist">
<script type="text/javascript">
<!--
writeComponentTabs.call(this);
//-->
</script>
</ul>
</div>
<!-- Generated by Doxygen 1.8.2 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Usage and Description</span></a></li>
<li><a href="modules.html"><span>Reference</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('group___d_a_p___transfer_block.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Pages</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle">
<div class="title">DAP_TransferBlock</div> </div>
<div class="ingroups"><a class="el" href="group___d_a_p__transfer__gr.html">Transfer Commands</a></div></div><!--header-->
<div class="contents">
<p>Read/Write a block of data from/to a single register.
<a href="#details">More...</a></p>
<p>Read/Write a block of data from/to a single register. </p>
<p>The <b>DAP_TransferBlock Command</b> read or write a data block to the same CoreSight register. A data block are multiple 32-bit values which are read or written from/to the same CoreSight register. The CoreSight register is addressed with DPBANKSEL/APBANKSEL and address lines A2, A3 (A0 = 0 and A1 = 0). The command can execute several read/write operations to a single DP/AP register.</p>
<p>The data transfer is aborted on a communication error:</p>
<ul>
<li>Protocol Error</li>
<li>Target FAULT response</li>
<li>Target WAIT responses exceed configured value</li>
</ul>
<p><b>DAP_TransferBlock Command</b>: </p>
<div class="fragment"><div class="line"> BYTE | BYTE *****| SHORT**********| BYTE *************| WORD *********|</div>
<div class="line">> 0x06 | DAP Index | Transfer Count | Transfer Request | Transfer Data |</div>
<div class="line"> ******|***********|****************|*******************|+++++++++++++++|</div>
</div><!-- fragment --><ul>
<li><b>DAP Index</b>: Zero based device index of the selected JTAG device. For SWD mode the value is ignored.</li>
</ul>
<ul>
<li><b>Transfer Count</b>: Number of transfers: 1 .. 65535.</li>
</ul>
<ul>
<li><b>Transfer Request</b>: Contains information about requested access from host<ul>
<li>Bit0: APnDP: 0 = DP (Debug Port), 1 = AP (Access Port)</li>
<li>Bit1: RnW: 0 = Write Register, 1 = Read Register</li>
<li>Bit2: A2 := Register Address bit 2</li>
<li>Bit3: A3 := Register Address bit 3</li>
</ul>
</li>
</ul>
<ul>
<li><b>Transfer Data</b>: register values<ul>
<li>for Write Register transfer request: the register values written to the CoreSight register.</li>
<li>no data is sent for Read Register operations.</li>
</ul>
</li>
</ul>
<p><b>DAP_TransferBlock Response</b>: </p>
<div class="fragment"><div class="line"> BYTE | SHORT *********| BYTE *************| WORD *********|</div>
<div class="line">< 0x06 | Transfer Count | Transfer Response | Transfer Data |</div>
<div class="line"> ******|****************|*******************|+++++++++++++++|</div>
</div><!-- fragment --><ul>
<li><b>DAP Index</b>: Zero based device index of the selected JTAG device. For SWD mode the value is ignored.</li>
</ul>
<ul>
<li><b>Transfer Count</b>: Number of transfers (1 .. 65535) that are executed.</li>
</ul>
<ul>
<li><b>Transfer Response</b>: Contains information about last response from target<ul>
<li>Bit 2..0: ACK (Acknowledge) value:<ul>
<li>1 = OK (for SWD protocol), OK or FAULT (for JTAG protocol),</li>
<li>2 = WAIT</li>
<li>4 = FAULT</li>
<li>7 = NO_ACK (no response from target)</li>
</ul>
</li>
<li>Bit3: Protocol Error (SWD)</li>
</ul>
</li>
</ul>
<ul>
<li><b>Transfer Data</b>: register values<ul>
<li>no data is receive for Write Register operations.</li>
<li>for Read Register transfer request: the register values read from CoreSight register. </li>
</ul>
</li>
</ul>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">Generated on Tue Oct 27 2015 14:35:47 for CMSIS-DAP by ARM Ltd. All rights reserved.
<!--
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.2
-->
</li>
</ul>
</div>
</body>
</html>
|
