//
// Copyright (C) 2007
// Fraunhofer Institute for Open Communication Systems (FOKUS)
-// Competence Center NETwork research (NET), St. Augustin, GERMANY
-// Anton Gillert <atx@berlios.de>
-// 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.
+// The contents of this file are subject to the Fraunhofer FOKUS Public License
+// Version 1.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+// http://senf.berlios.de/license.html
//
-// 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.
+// The Fraunhofer FOKUS Public License Version 1.0 is based on,
+// but modifies the Mozilla Public License Version 1.1.
+// See the full license text for the amendments.
//
-// 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.
+// Software distributed under the License is distributed on an "AS IS" basis,
+// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+// for the specific language governing rights and limitations under the License.
+//
+// The Original Code is Fraunhofer FOKUS code.
+//
+// The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
+// (registered association), Hansastraße 27 c, 80686 Munich, Germany.
+// All Rights Reserved.
+//
+// Contributor(s):
+// Thorsten Horstmann <tho@berlios.de>
+// Anton Gillert <atx@berlios.de>
/** \file
\brief DVBFrontendHandle non-inline non-template implementation */
//#include "DVBFrontendHandle.mpp"
#define prefix_
-///////////////////////////////cc.p////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
-///////////////////////////////////////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::DVBFrontendHandle
using namespace std;
string devFrontend = str( boost::format("/dev/dvb/adapter%d/frontend%d") % adapter % device);
int f = open(devFrontend.c_str(), flags);
if (f < 0)
- SENF_THROW_SYSTEM_EXCEPTION("")<< "Could not open frontend device of DVB adapter " << devFrontend << ".";
+ SENF_THROW_SYSTEM_EXCEPTION("Could not open frontend device of DVB adapter ") << devFrontend << ".";
fd(f);
}
}
prefix_ void senf::DVBFrontendSocketProtocol::tune(const struct dvb_frontend_parameters & frontend)
- const
+ const
{
// tuning
if (::ioctl(fd(), FE_SET_FRONTEND, &frontend) )
- SENF_THROW_SYSTEM_EXCEPTION("") << "ioctl FE_SET_FRONTEND failed. Socket should initialized with r/w permissions.";;
+ SENF_THROW_SYSTEM_EXCEPTION("ioctl FE_SET_FRONTEND failed. Socket should initialized with r/w permissions.");
}
-prefix_ void senf::DVBFrontendSocketProtocol::tuneDVB_T(unsigned int frequency,
+prefix_ void senf::DVBFrontendSocketProtocol::tuneDVB_T(unsigned int frequency,
fe_spectral_inversion_t inversion,
- fe_bandwidth_t bandwidth,
+ fe_bandwidth_t bandwidth,
fe_code_rate_t code_rate_HP, /* high priority stream code rate */
fe_code_rate_t code_rate_LP, /* low priority stream code rate */
fe_modulation_t constellation, /* modulation type */
- fe_transmit_mode_t transmission_mode,
+ fe_transmit_mode_t transmission_mode,
fe_guard_interval_t guard_interval,
fe_hierarchy_t hierarchy_information
)
{
struct dvb_ofdm_parameters ofdm; /* DVB-T Parameters */
struct dvb_frontend_parameters frontend;
-
+
::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
::memset(&ofdm, 0, sizeof(struct dvb_ofdm_parameters));
-
+
ofdm.bandwidth = bandwidth;
ofdm.code_rate_HP = code_rate_HP;
ofdm.code_rate_LP = code_rate_LP;
- ofdm.constellation = constellation;
+ ofdm.constellation = constellation;
ofdm.guard_interval = guard_interval;
ofdm.hierarchy_information = hierarchy_information;
-
+
frontend.frequency = frequency;
frontend.inversion = inversion;
frontend.u.ofdm = ofdm;
-
+
tune(frontend);
-
+
}
-prefix_ void senf::DVBFrontendSocketProtocol::tuneDVB_S(unsigned int frequency,
- fe_spectral_inversion_t inversion,
+prefix_ void senf::DVBFrontendSocketProtocol::tuneDVB_S(unsigned int frequency,
+ fe_spectral_inversion_t inversion,
unsigned int symbole_rate, /* symbol rate in Symbols per second */
fe_code_rate_t fec_inner /* forward error correction (see above) */
)
{
struct dvb_qpsk_parameters qpsk; /* DVB-S Parameters*/
struct dvb_frontend_parameters frontend;
-
+
::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
::memset(&qpsk, 0, sizeof(struct dvb_qpsk_parameters));
-
+
qpsk.symbol_rate = symbole_rate;
qpsk.fec_inner = fec_inner;
-
+
frontend.frequency = frequency;
frontend.inversion = inversion;
frontend.u.qpsk = qpsk;
-
+
tune(frontend);
}
-prefix_ void senf::DVBFrontendSocketProtocol::tuneDVB_C(unsigned int frequency,
+prefix_ void senf::DVBFrontendSocketProtocol::tuneDVB_C(unsigned int frequency,
fe_spectral_inversion_t inversion,
unsigned int symbol_rate,
fe_code_rate_t fec_inner,
{
struct dvb_qam_parameters qam; /* DVB-C Parameters*/
struct dvb_frontend_parameters frontend;
-
+
::memset(&frontend, 0, sizeof(struct dvb_frontend_parameters));
::memset(&qam, 0, sizeof(struct dvb_qam_parameters));
-
+
qam.symbol_rate = symbol_rate;
qam.fec_inner = fec_inner;
qam.modulation = modulation;
-
-
+
+
frontend.frequency = frequency;
frontend.inversion = inversion;
frontend.u.qam = qam;
-
+
tune(frontend);
}
-prefix_ void senf::DVBFrontendSocketProtocol::setNonBlock(bool on)
+prefix_ void senf::DVBFrontendSocketProtocol::setNonBlock(bool on)
const
{
if (on)
{
struct dvb_frontend_info info;
::memset(&info, 0, sizeof(struct dvb_frontend_info));
-
+
if (::ioctl(fd(), FE_GET_INFO, &info)) {
- SENF_THROW_SYSTEM_EXCEPTION("") << "Could not read on fildescriptor.";
+ SENF_THROW_SYSTEM_EXCEPTION("Could not read on fildescriptor.");
}
return info;
}
prefix_ dvb_frontend_parameters senf::DVBFrontendSocketProtocol::getFrontendParam() const {
struct dvb_frontend_parameters frontend_;
-
+
::memset(&frontend_, 0, sizeof(struct dvb_frontend_parameters));
-
+
if (::ioctl(fd(), FE_GET_FRONTEND, &frontend_)) {
switch(errno) {
case EBADF:
prefix_ dvb_frontend_event senf::DVBFrontendSocketProtocol::getEvent() const{
struct dvb_frontend_event ev ;
-
+
::memset(&ev, 0, sizeof(struct dvb_frontend_event));
-
+std::cerr<<"DVBFrontendSocketProtocol::getEvent\n";
if (::ioctl(fd(), FE_GET_EVENT, &ev)) {
switch(errno) {
case EBADF:
case EWOULDBLOCK:
SENF_THROW_SYSTEM_EXCEPTION( "No event pending and device is in nonblocking mode." );
break;
+ case EINTR:
+ // TODO: ignore EINTR. which might be caused by watchdog signals. This is possibly not the solution, but should work
+ break;
default:
SENF_THROW_SYSTEM_EXCEPTION("Errno: ") << errno;
}
}
prefix_ int16_t senf::DVBFrontendSocketProtocol::signalNoiseRatio()
- const
+ const
{
int16_t snr;
if (::ioctl(fd(), FE_READ_SNR, &snr) < 0)
}
-///////////////////////////////cc.e////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
#undef prefix_
//#include "DVBFrontendHandle.mpp"
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