00001 #ifndef acsexmplLongDevIO_h 00002 #define acsexmplLongDevIO_h 00003 /******************************************************************************* 00004 * ALMA - Atacama Large Millimiter Array 00005 * (c) European Southern Observatory, 2002 00006 * Copyright by ESO (in the framework of the ALMA collaboration) 00007 * and Cosylab 2002, All rights reserved 00008 * 00009 * This library is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU Lesser General Public 00011 * License as published by the Free Software Foundation; either 00012 * version 2.1 of the License, or (at your option) any later version. 00013 * 00014 * This library is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 * Lesser General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU Lesser General Public 00020 * License along with this library; if not, write to the Free Software 00021 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 * 00023 * 00024 * "@(#) $Id: acsexmplLongDevIO.h,v 1.11 2008/10/09 08:41:11 cparedes Exp $" 00025 * 00026 * who when what 00027 * -------- -------- ---------------------------------------------- 00028 * david 2003-10-20 created 00029 */ 00030 00031 #ifndef __cplusplus 00032 #error This is a C++ include file and cannot be used from plain C 00033 #endif 00034 00036 #include <baciDevIO.h> 00037 #include <iostream> 00038 00044 00049 00084 /* @}*/ 00085 /* @}*/ 00086 00095 class acsexmpl_EXPORT LongDevIO : public DevIO<CORBA::Long> 00096 { 00097 public: 00098 00102 LongDevIO() {}; 00103 00107 virtual ~LongDevIO() {}; 00108 00116 virtual bool 00117 initializeValue() 00118 { return true; } 00119 00138 virtual CORBA::Long 00139 read(unsigned long long& timestamp) 00140 { 00141 00142 //Must set the timestamp. This value is in 100s of nanoseconds that have passed 00143 //since some date in the 1500s. Most developers will just want to use the getTimeStamp 00144 //method, but you can find more information on the time defintion in the ACS Time 00145 //System. 00146 timestamp = getTimeStamp(); 00147 00148 //Normally you'd want to access hardware, files, pipes, etc. here. We just return 42 00149 return 42; 00150 } 00151 00170 virtual void 00171 write(const CORBA::Long &value, unsigned long long& timestamp) 00172 { 00173 //Must set the timestamp. This value is in 100s of nanoseconds that have passed 00174 //since some date in the 1500s (see ACS Time System documentation for specific details). 00175 //Most developers will just want to use the getTimeStamp method. 00176 timestamp = getTimeStamp(); 00177 00178 //Print a message to standard out 00179 std::cout << "LongDevIO::write(...) - the value is:" << value << std::endl; 00180 } 00181 }; 00182 00183 #endif 00184 00185 00186