Utils: added Beeper helper :)

[senf.git] / senf / Utils / Beeper.cc

diff --git a/senf/Utils/Beeper.cc b/senf/Utils/Beeper.cc
new file mode 100644 (file)
index 0000000..bb4517e
--- /dev/null
+++ b/senf/Utils/Beeper.cc
@@ -0,0 +1,118 @@
+// $Id$
+//
+// Copyright (C) 2010
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Thorsten Horstmann <tho@berlios.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+/** \file
+    \brief TypeInfo non-inline non-template implementation */
+
+#include "Beeper.hh"
+//#include "Beeper.ih"
+
+// Custom includes
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <linux/kd.h>
+#include <boost/bind.hpp>
+#include "Exception.hh"
+
+#define prefix_
+///////////////////////////////cc.p////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////
+// senf::Beeper
+
+prefix_ senf::Beeper::Beeper(std::string const & device)
+    : timer_( "senf::Beeper::timer", boost::bind(&Beeper::timeout, this), 0, false)
+{
+    if ((fd_ = ::open(device.c_str(), O_WRONLY)) == -1) {
+        SENF_THROW_SYSTEM_EXCEPTION("Could not open device for Beeper.");
+    }
+}
+
+prefix_ senf::Beeper::~Beeper()
+{
+    stop_beep();
+    ::close(fd_);
+}
+
+prefix_ bool senf::Beeper::start_beep(float freq)
+{
+    return ::ioctl(fd_, KIOCSOUND, (int)(CLOCK_TICK_RATE/freq)) == 0;
+}
+
+prefix_ void senf::Beeper::stop_beep()
+{
+    ::ioctl(fd_, KIOCSOUND, 0);
+}
+
+prefix_ void senf::Beeper::beep_sync(float freq, unsigned length, unsigned count, unsigned delay)
+{
+    for (unsigned i = 0; i < count; ++i) {
+        if (! start_beep( freq)) return;
+        ::usleep( 1000 * length);
+        stop_beep();
+        if ( i+1 < count)
+           ::usleep( 1000 * delay);
+    }
+}
+
+prefix_ void senf::Beeper::beep_async(float freq, unsigned length, unsigned count, unsigned delay)
+{
+    if (! start_beep( freq)) return;
+    timer_.timeout( senf::ClockService::now() + senf::ClockService::milliseconds(length));
+    params_.action = false;  // stop beep
+    if (count > 1) {
+        params_.freq = freq;
+        params_.length = length;
+        params_.count = count;
+        params_.delay = delay;
+    }
+}
+
+prefix_ void senf::Beeper::timeout()
+{
+    if (params_.action) {
+        if (! start_beep( params_.freq)) return;
+        timer_.timeout( senf::ClockService::now() + senf::ClockService::milliseconds(params_.length));
+        params_.action = false;
+    } else {
+        stop_beep();
+        if (--params_.count > 0) {
+            timer_.timeout( senf::ClockService::now() + senf::ClockService::milliseconds(params_.delay));
+            params_.action = true;
+        }
+    }
+}
+
+///////////////////////////////cc.e////////////////////////////////////////
+#undef prefix_
+
+\f
+// Local Variables:
+// mode: c++
+// fill-column: 100
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// comment-column: 40
+// End: