Implemented SoE IDN parser for strings like 'P-0-0150'; moved data type

information string to DataTypeHandler.
2026-02-06 11:51:45 +08:00 · 2010-03-11 14:29:43 +01:00
parent eaf749e9b4
commit fb8a75570d
14 changed files with 215 additions and 43 deletions
--- a/tool/SoeCommand.cpp
+++ b/tool/SoeCommand.cpp
@@ -0,0 +1,108 @@
+/*****************************************************************************
+ *
+ *  $Id$
+ *
+ *  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 <iomanip>
+using namespace std;
+
+#include "SoeCommand.h"
+
+/*****************************************************************************/
+
+SoeCommand::SoeCommand(const string &name, const string &briefDesc):
+    Command(name, briefDesc)
+{
+}
+
+/*****************************************************************************/
+
+uint16_t SoeCommand::parseIdn(const string &str)
+{
+    uint16_t idn = 0x0000;
+    stringstream s, err;
+
+    if (!str.length()) {
+        err << "Zero-size string not allowed!";
+        throw runtime_error(err.str());
+    }
+
+    if (str[0] == 'S' || str[0] == 'P') {
+        unsigned int num;
+        unsigned char c;
+
+        s << str;
+
+        s >> c;
+        if (c == 'P') {
+            idn |= 0x8000;
+        }
+
+        s >> c;
+        if (s.fail() || c != '-') {
+             err << "'-' expected!";
+             throw runtime_error(err.str());
+        }
+
+        s >> num;
+        if (s.fail() || num > 7) {
+            err << "Invalid parameter set number!";
+            throw runtime_error(err.str());
+        }
+        idn |= num << 12;
+
+        s >> c;
+        if (s.fail() || c != '-') {
+             err << "'-' expected!";
+             throw runtime_error(err.str());
+        }
+
+        s >> num;
+        if (s.fail() || num > 4095) {
+            err << "Invalid data block number!";
+            throw runtime_error(err.str());
+        }
+        idn |= num;
+
+        s.peek();
+        if (!s.eof()) {
+            err << "Additional input!";
+            throw runtime_error(err.str());
+        }
+    } else {
+        s << str;
+        s >> resetiosflags(ios::basefield) >> idn;
+        if (s.fail()) {
+            err << "Invalid number!";
+            throw runtime_error(err.str());
+        }
+    }
+
+    return idn;
+}
+
+/****************************************************************************/