diff -r fec951a0a654 -r 489ea0becd74 tool/SoeCommand.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tool/SoeCommand.cpp Thu Mar 11 14:29:43 2010 +0100 @@ -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 +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; +} + +/****************************************************************************/