Added 'ethercat graph' command.
--- a/NEWS Wed Apr 29 09:43:04 2009 +0000
+++ b/NEWS Wed Apr 29 13:06:38 2009 +0000
@@ -34,6 +34,8 @@
Burgstaller.
* Clear slave list on link down.
* Output device link state in 'ethercat master'.
+* Added 'ethercat graph' command which outputs the bus topology in
+ DOT language.
Changes in 1.4.0:
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tool/CommandGraph.cpp Wed Apr 29 13:06:38 2009 +0000
@@ -0,0 +1,162 @@
+/*****************************************************************************
+ *
+ * $Id$
+ *
+ * Copyright (C) 2006-2009 Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ * This file is part of the IgH EtherCAT Master.
+ *
+ * The IgH EtherCAT Master is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * The IgH EtherCAT Master is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the IgH EtherCAT Master; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * ---
+ *
+ * The license mentioned above concerns the source code only. Using the
+ * EtherCAT technology and brand is only permitted in compliance with the
+ * industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ ****************************************************************************/
+
+#include <iostream>
+#include <map>
+using namespace std;
+
+#include "CommandGraph.h"
+
+/*****************************************************************************/
+
+CommandGraph::CommandGraph():
+ Command("graph", "Output the bus topology as a graph.")
+{
+}
+
+/*****************************************************************************/
+
+string CommandGraph::helpString() const
+{
+ stringstream str;
+
+ str << getName() << " [OPTIONS]" << endl
+ << endl
+ << getBriefDescription() << endl
+ << endl
+ << "The bus is output in DOT language (see" << endl
+ << "http://www.graphviz.org/doc/info/lang.html), which can" << endl
+ << "be processed with the tools from the Graphviz" << endl
+ << "package. Example:" << endl
+ << endl
+ << " ethercat graph | dot -Tsvg > bus.svg" << endl
+ << endl
+ << "See 'man dot' for more information." << endl;
+
+ return str.str();
+}
+
+/****************************************************************************/
+
+void CommandGraph::execute(MasterDevice &m, const StringVector &args)
+{
+ ec_ioctl_master_t master;
+ unsigned int i;
+ typedef vector<ec_ioctl_slave_t> SlaveVector;
+ SlaveVector slaves;
+ ec_ioctl_slave_t slave;
+ SlaveVector::const_iterator si;
+ string font("fontname=\"Helvetica\"");
+ map<int, string> portMedia;
+ map<int, string>::const_iterator mi;
+ map<int, int> mediaWeights;
+ map<int, int>::const_iterator wi;
+
+ portMedia[EC_PORT_MII] = "MII";
+ mediaWeights[EC_PORT_MII] = 1;
+
+ portMedia[EC_PORT_EBUS] = "EBUS";
+ mediaWeights[EC_PORT_EBUS] = 5;
+
+ if (args.size()) {
+ stringstream err;
+ err << "'" << getName() << "' takes no arguments!";
+ throwInvalidUsageException(err);
+ }
+
+ m.open(MasterDevice::Read);
+ m.getMaster(&master);
+
+ for (i = 0; i < master.slave_count; i++) {
+ m.getSlave(&slave, i);
+ slaves.push_back(slave);
+ }
+
+ cout << "/* EtherCAT bus graph. Generated by 'ethercat graph'. */" << endl
+ << endl
+ << "strict graph bus {" << endl
+ << " rankdir=\"LR\"" << endl
+ << endl
+ << " master [" << font << ",label=\"EtherCAT\\nMaster\"]" << endl;
+
+ if (slaves.size()) {
+ cout << " master -- slave0 [" << font;
+
+ mi = portMedia.find(slaves.front().port_descs[0]);
+ if (mi != portMedia.end())
+ cout << ",label=\"" << mi->second << "\"";
+
+ cout << "]" << endl;
+ }
+ cout << endl;
+
+ for (si = slaves.begin(); si != slaves.end(); si++) {
+ cout << " slave" << si->position << " [" << font <<
+ ",shape=\"box\",label=\"" << si->position;
+ if (string(si->order).size())
+ cout << "\\n" << si->order;
+ cout << "\"]" << endl;
+
+ for (i = 1; i < EC_MAX_PORTS; i++) {
+ if (si->next_slave[i] == 0xffff)
+ continue;
+
+ cout << " slave" << si->position << " -- "
+ << "slave" << si->next_slave[i] << " [" << font << ","
+ << "taillabel=\"" << i << "\"";
+
+ mi = portMedia.find(si->port_descs[i]);
+ if (mi == portMedia.end()) {
+ /* Try medium of next-hop slave. */
+ unsigned int pos = si->next_slave[i];
+ if (pos < slaves.size()) {
+ ec_ioctl_slave_t *next = &slaves[pos];
+ mi = portMedia.find(next->port_descs[0]);
+ } else {
+ cerr << "Invalid next slave pointer." << endl;
+ }
+ }
+
+ if (mi != portMedia.end())
+ cout << ",label=\"" << mi->second << "\"";
+
+ wi = mediaWeights.find(si->port_descs[i]);
+ if (wi != mediaWeights.end())
+ cout << ",weight=\"" << wi->second << "\"";
+
+ cout << "]" << endl;
+ }
+
+ cout << endl;
+ }
+
+ cout << "}" << endl;
+}
+
+/*****************************************************************************/
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tool/CommandGraph.h Wed Apr 29 13:06:38 2009 +0000
@@ -0,0 +1,49 @@
+/*****************************************************************************
+ *
+ * $Id$
+ *
+ * Copyright (C) 2006-2009 Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ * This file is part of the IgH EtherCAT Master.
+ *
+ * The IgH EtherCAT Master is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * The IgH EtherCAT Master is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with the IgH EtherCAT Master; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * ---
+ *
+ * The license mentioned above concerns the source code only. Using the
+ * EtherCAT technology and brand is only permitted in compliance with the
+ * industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ ****************************************************************************/
+
+#ifndef __COMMANDGRAPH_H__
+#define __COMMANDGRAPH_H__
+
+#include "Command.h"
+
+/****************************************************************************/
+
+class CommandGraph:
+ public Command
+{
+ public:
+ CommandGraph();
+
+ string helpString() const;
+ void execute(MasterDevice &, const StringVector &);
+};
+
+/****************************************************************************/
+
+#endif
--- a/tool/Makefile.am Wed Apr 29 09:43:04 2009 +0000
+++ b/tool/Makefile.am Wed Apr 29 13:06:38 2009 +0000
@@ -43,6 +43,7 @@
CommandDownload.cpp \
CommandFoeRead.cpp \
CommandFoeWrite.cpp \
+ CommandGraph.cpp \
CommandMaster.cpp \
CommandPdos.cpp \
CommandReg.cpp \
@@ -72,6 +73,7 @@
CommandDownload.h \
CommandFoeRead.h \
CommandFoeWrite.h \
+ CommandGraph.h \
CommandMaster.h \
CommandPdos.h \
CommandReg.h \
--- a/tool/main.cpp Wed Apr 29 09:43:04 2009 +0000
+++ b/tool/main.cpp Wed Apr 29 13:06:38 2009 +0000
@@ -43,6 +43,7 @@
#include "CommandDownload.h"
#include "CommandFoeRead.h"
#include "CommandFoeWrite.h"
+#include "CommandGraph.h"
#include "CommandMaster.h"
#include "CommandPdos.h"
#include "CommandRegRead.h"
@@ -297,6 +298,7 @@
commandList.push_back(new CommandDownload());
commandList.push_back(new CommandFoeRead());
commandList.push_back(new CommandFoeWrite());
+ commandList.push_back(new CommandGraph());
commandList.push_back(new CommandMaster());
commandList.push_back(new CommandPdos());
commandList.push_back(new CommandRegRead());