00001 // $Id: Beeper.cci 1742 2010-11-04 14:51:56Z g0dil $ 00002 // 00003 // Copyright (C) 2010 00004 // Fraunhofer (FOKUS) 00005 // Competence Center NETwork research (NET), St. Augustin, GERMANY 00006 // Thorsten Horstmann <tho@berlios.de> 00007 // 00008 // This program is free software; you can redistribute it and/or modify 00009 // it under the terms of the GNU General Public License as published by 00010 // the Free Software Foundation; either version 2 of the License, or 00011 // (at your option) any later version. 00012 // 00013 // This program is distributed in the hope that it will be useful, 00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 // GNU General Public License for more details. 00017 // 00018 // You should have received a copy of the GNU General Public License 00019 // along with this program; if not, write to the 00020 // Free Software Foundation, Inc., 00021 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 00026 // Custom includes 00027 #include <sys/ioctl.h> 00028 #include <linux/kd.h> 00029 00030 #define prefix_ inline 00031 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00032 00033 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00034 // senf::Beeper 00035 00036 prefix_ bool senf::Beeper::start_beep(float freq) 00037 { 00038 return ::ioctl(fd_, KIOCSOUND, (int)(CLOCK_TICK_RATE/freq)) == 0; 00039 } 00040 00041 prefix_ void senf::Beeper::stop_beep() 00042 { 00043 ::ioctl(fd_, KIOCSOUND, 0); 00044 } 00045 00046 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00047 #undef prefix_ 00048 00049 00050 // Local Variables: 00051 // mode: c++ 00052 // fill-column: 100 00053 // c-file-style: "senf" 00054 // indent-tabs-mode: nil 00055 // ispell-local-dictionary: "american" 00056 // compile-command: "scons -u test" 00057 // comment-column: 40 00058 // End: