--- /dev/null
+// $Id$
+//
+// 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.
+//
+// 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 DVBFrontendHandle non-inline non-template implementation */
+
+#include "DVBFrontendHandle.hh"
+//#include "DVBFrontendHandle.ih"
+
+// Custom includes
+#include <boost/format.hpp>
+#include <sys/socket.h>
+#include "../../../Utils/Exception.hh"
+#include <sys/ioctl.h>
+
+
+//#include "DVBFrontendHandle.mpp"
+#define prefix_
+///////////////////////////////cc.p////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////
+// senf::DVBFrontendHandle
+using namespace std;
+
+prefix_ void senf::DVBFrontendSocketProtocol::init_client(unsigned short adapter, unsigned short device, int flags)
+ const
+{
+ 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 << ".";
+ fd(f);
+}
+
+prefix_ unsigned senf::DVBFrontendSocketProtocol::available()
+ const
+{
+ return 0;
+}
+
+prefix_ bool senf::DVBFrontendSocketProtocol::eof()
+ const
+{
+ return false;
+}
+
+prefix_ void senf::DVBFrontendSocketProtocol::tune(const struct dvb_frontend_parameters & frontend)
+ 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.";;
+}
+
+prefix_ void senf::DVBFrontendSocketProtocol::tuneDVB_T(unsigned int frequency,
+ fe_spectral_inversion_t inversion,
+ 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_guard_interval_t guard_interval,
+ fe_hierarchy_t hierarchy_information
+ )
+ const
+{
+ 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.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,
+ unsigned int symbole_rate, /* symbol rate in Symbols per second */
+ fe_code_rate_t fec_inner /* forward error correction (see above) */
+ )
+ const
+{
+ 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,
+ fe_spectral_inversion_t inversion,
+ unsigned int symbol_rate,
+ fe_code_rate_t fec_inner,
+ fe_modulation_t modulation
+ )
+const
+{
+ 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)
+ const
+{
+ if(on)
+ ::fcntl(fd(), F_SETFL, ::fcntl(fd(), F_GETFL) | O_NONBLOCK);
+ else
+ ::fcntl(fd(), F_SETFL, ::fcntl(fd(), F_GETFL) & ~O_NONBLOCK);
+
+}
+prefix_ dvb_frontend_info senf::DVBFrontendSocketProtocol::getInfo()
+ const
+{
+ 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.";
+ }
+ 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:
+ SENF_THROW_SYSTEM_EXCEPTION("fd is not a valid open file descriptor.");
+ break;
+ case EFAULT:
+ SENF_THROW_SYSTEM_EXCEPTION( "frontend_ points to invalid address." );
+ break;
+ case EINVAL:
+ SENF_THROW_SYSTEM_EXCEPTION( "Maximum supported symbol rate reached. This call may not be implemented by kernel driver!" );
+ break;
+ default:
+ SENF_THROW_SYSTEM_EXCEPTION("Errno: ") << errno;
+ }
+ }
+ return frontend_;
+}
+
+prefix_ dvb_frontend_event senf::DVBFrontendSocketProtocol::getEvent() const{
+ struct dvb_frontend_event ev ;
+
+ ::memset(&ev, 0, sizeof(struct dvb_frontend_event));
+
+ if(::ioctl(fd(), FE_GET_EVENT, &ev)) {
+ switch(errno) {
+ case EBADF:
+ SENF_THROW_SYSTEM_EXCEPTION("Could not read from frontend device, read-only access to the device is sufficient.");
+ break;
+ case EWOULDBLOCK:
+ SENF_THROW_SYSTEM_EXCEPTION( "No event pending and device is in nonblocking mode." );
+ break;
+ default:
+ SENF_THROW_SYSTEM_EXCEPTION("Errno: ") << errno;
+ }
+ }
+ return ev;
+}
+
+prefix_ int16_t senf::DVBFrontendSocketProtocol::signalStrength()
+ const
+{
+ int16_t strength;
+ if (::ioctl(fd(), FE_READ_SIGNAL_STRENGTH, &strength) < 0)
+ SENF_THROW_SYSTEM_EXCEPTION("Could not get signal strength of DVB adapter.");
+ return strength;
+}
+
+prefix_ int16_t senf::DVBFrontendSocketProtocol::signalNoiseRatio()
+ const
+{
+ int16_t snr;
+ if (::ioctl(fd(), FE_READ_SNR, &snr) < 0)
+ SENF_THROW_SYSTEM_EXCEPTION("Could not get signal-to-noise ratio of DVB adapter.");
+ return snr;
+}
+
+prefix_ uint32_t senf::DVBFrontendSocketProtocol::bitErrorRate()
+ const
+{
+ uint32_t ber;
+ if (::ioctl(fd(), FE_READ_BER, &ber) < 0)
+ SENF_THROW_SYSTEM_EXCEPTION("Could not get bit error rate of DVB adapter.");
+ return ber;
+}
+
+prefix_ uint32_t senf::DVBFrontendSocketProtocol::uncorrectedBlocks()
+ const
+{
+ uint32_t uncorrected_blocks;
+ if (::ioctl(fd(), FE_READ_UNCORRECTED_BLOCKS, &uncorrected_blocks) < 0)
+ SENF_THROW_SYSTEM_EXCEPTION("Could not get bit error rate of DVB adapter.");
+ return uncorrected_blocks;
+}
+
+
+prefix_ fe_status_t senf::DVBFrontendSocketProtocol::status()
+ const
+{
+ fe_status_t status;
+ if (::ioctl(fd(), FE_READ_STATUS, &status) < 0)
+ SENF_THROW_SYSTEM_EXCEPTION("Could not get bit error rate of DVB adapter.");
+ return status;
+}
+
+
+///////////////////////////////cc.e////////////////////////////////////////
+#undef prefix_
+//#include "DVBFrontendHandle.mpp"
+
+
+// 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:
projects / senf.git / blobdiff