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/*
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Her Majesty the Queen in Right of Canada (Communications Research
Center Canada)
Copyright (C) 2023
Matthias P. Braendli, matthias.braendli@mpb.li
http://opendigitalradio.org
*/
/*
This file is part of ODR-DabMod.
ODR-DabMod 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 3 of the
License, or (at your option) any later version.
ODR-DabMod 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 ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Utils.h"
#include <ctime>
#include <cstring>
#include <sstream>
#include <iomanip>
#include <pthread.h>
#if defined(HAVE_PRCTL)
# include <sys/prctl.h>
#endif
static void printHeader()
{
std::cerr << "ODR-DabMod version " <<
#if defined(GITVERSION)
GITVERSION
#else
VERSION
#endif
", compiled at " << __DATE__ << ", " << __TIME__ << std::endl;
std::cerr << "Compiled with features: " <<
#if defined(HAVE_ZEROMQ)
"zeromq " <<
#endif
#if defined(HAVE_OUTPUT_UHD)
"output_uhd " <<
#endif
#if defined(HAVE_SOAPYSDR)
"output_soapysdr " <<
#endif
#if defined(HAVE_LIMESDR)
"output_limesdr " <<
#endif
#if defined(__FAST_MATH__)
"fast-math " <<
#endif
#if defined(__SSE__)
"SSE " <<
#endif
#if defined(__ARM_NEON)
"NEON " <<
#endif
"\n";
}
void printUsage(const char* progName)
{
FILE* out = stderr;
fprintf(out, "Usage with configuration file:\n");
fprintf(out, "\t%s config_file.ini\n\n", progName);
fprintf(out, "Usage with command line options:\n");
fprintf(out, "\t%s"
" input"
" (-f filename -F format"
#if defined(HAVE_OUTPUT_UHD)
" | -u uhddevice -F frequency"
#endif // defined(HAVE_OUTPUT_UHD)
") [-o offset]"
"\n\t"
#if defined(HAVE_OUTPUT_UHD)
" [-G txgain]"
" [-T filter_taps_file]"
#endif // defined(HAVE_OUTPUT_UHD)
" [-a gain]"
" [-c clockrate]"
"\n\t"
" [-g gainMode]"
" [-m dabMode]"
" [-r samplingRate]"
" [-l]"
" [-h]"
"\n", progName);
fprintf(out, "Where:\n");
fprintf(out, "input: ETI input filename (default: stdin), or\n");
fprintf(out, " tcp://source:port for ETI-over-TCP input, or\n");
fprintf(out, " udp://:port for EDI input.\n");
fprintf(out, "-f name: Use file output with given filename. (use /dev/stdout for standard output)\n");
fprintf(out, "-F format: Set the output format (see doc/example.ini for formats) for the file output.\n");
fprintf(out, "-o: Set the timestamp offset added to the timestamp in the ETI. The offset is a double.\n");
fprintf(out, " Specifying this option has two implications: It enables synchronous transmission,\n"
" requiring an external REFCLK and PPS signal and frames that do not contain a valid timestamp\n"
" get muted.\n\n");
#if defined(HAVE_OUTPUT_UHD)
fprintf(out, "-u device: Use UHD output with given device string. (use "" for default device)\n");
fprintf(out, "-F frequency: Set the transmit frequency when using UHD output. (mandatory option when using UHD)\n");
fprintf(out, "-G txgain: Set the transmit gain for the UHD driver (default: 0)\n");
fprintf(out, "-T taps_file: Enable filtering before the output, using the specified file containing the filter taps.\n");
fprintf(out, " Use 'default' as taps_file to use the internal taps.\n");
#endif // defined(HAVE_OUTPUT_UHD)
fprintf(out, "-a gain: Apply digital amplitude gain.\n");
fprintf(out, "-c rate: Set the DAC clock rate and enable Cic Equalisation.\n");
fprintf(out, "-g gainmode: Set computation gain mode: fix, max or var\n");
fprintf(out, "-m mode: Set DAB mode: (0: auto, 1-4: force).\n");
fprintf(out, "-r rate: Set output sampling rate (default: 2048000).\n\n");
fprintf(out, "-l: Loop file when reach end of file.\n");
fprintf(out, "-h: Print this help.\n");
}
void printVersion(void)
{
FILE *out = stderr;
fprintf(out,
" ODR-DabMod is copyright (C) Her Majesty the Queen in Right of Canada,\n"
" 2005 -- 2012 Communications Research Centre (CRC),\n"
" and\n"
" Copyright (C) 2023 Matthias P. Braendli, matthias.braendli@mpb.li\n"
"\n"
" http://opendigitalradio.org\n"
"\n"
" ODR-DabMod is free software: you can redistribute it and/or modify it\n"
" under the terms of the GNU General Public License as published by the\n"
" Free Software Foundation, either version 3 of the License, or (at your\n"
" option) any later version.\n"
"\n"
" ODR-DabMod is distributed in the hope that it will be useful, but\n"
" WITHOUT ANY WARRANTY; without even the implied warranty of\n"
" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
" General Public License for more details.\n"
"\n"
" You should have received a copy of the GNU General Public License along\n"
" with ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.\n"
"\n"
);
}
void printStartupInfo()
{
printHeader();
}
void printModSettings(const mod_settings_t& mod_settings)
{
std::stringstream ss;
// Print settings
ss << "Input\n";
ss << " Type: " << mod_settings.inputTransport << "\n";
ss << " Source: " << mod_settings.inputName << "\n";
ss << "Output\n";
if (mod_settings.useFileOutput) {
ss << " Name: " << mod_settings.outputName << "\n";
}
#if defined(HAVE_OUTPUT_UHD)
else if (mod_settings.useUHDOutput) {
ss << " UHD\n" <<
" Device: " << mod_settings.sdr_device_config.device << "\n" <<
" Subdevice: " <<
mod_settings.sdr_device_config.subDevice << "\n" <<
" master_clock_rate: " <<
mod_settings.sdr_device_config.masterClockRate << "\n" <<
" refclk: " <<
mod_settings.sdr_device_config.refclk_src << "\n" <<
" pps source: " <<
mod_settings.sdr_device_config.pps_src << "\n";
}
#endif
#if defined(HAVE_SOAPYSDR)
else if (mod_settings.useSoapyOutput) {
ss << " SoapySDR\n"
" Device: " << mod_settings.sdr_device_config.device << "\n" <<
" master_clock_rate: " <<
mod_settings.sdr_device_config.masterClockRate << "\n";
}
#endif
#if defined(HAVE_DEXTER)
else if (mod_settings.useDexterOutput) {
ss << " PrecisionWave DEXTER\n";
}
#endif
#if defined(HAVE_LIMESDR)
else if (mod_settings.useLimeOutput) {
ss << " LimeSDR\n"
" Device: " << mod_settings.sdr_device_config.device << "\n" <<
" master_clock_rate: " <<
mod_settings.sdr_device_config.masterClockRate << "\n";
}
#endif
#if defined(HAVE_BLADERF)
else if (mod_settings.useBladeRFOutput) {
ss << " BladeRF\n"
" Device: " << mod_settings.sdr_device_config.device << "\n" <<
" refclk: " << mod_settings.sdr_device_config.refclk_src << "\n";
}
#endif
else if (mod_settings.useZeroMQOutput) {
ss << " ZeroMQ\n" <<
" Listening on: " << mod_settings.outputName << "\n" <<
" Socket type : " << mod_settings.zmqOutputSocketType << "\n";
}
ss << " Sampling rate: ";
if (mod_settings.outputRate > 1000) {
if (mod_settings.outputRate > 1000000) {
ss << std::fixed << std::setprecision(4) <<
mod_settings.outputRate / 1000000.0 <<
" MHz\n";
}
else {
ss << std::fixed << std::setprecision(4) <<
mod_settings.outputRate / 1000.0 <<
" kHz\n";
}
}
else {
ss << std::fixed << std::setprecision(4) <<
mod_settings.outputRate << " Hz\n";
}
fprintf(stderr, "%s", ss.str().c_str());
}
int set_realtime_prio(int prio)
{
// Set thread priority to realtime
const int policy = SCHED_RR;
sched_param sp;
sp.sched_priority = sched_get_priority_min(policy) + prio;
int ret = pthread_setschedparam(pthread_self(), policy, &sp);
return ret;
}
void set_thread_name(const char *name)
{
#if defined(HAVE_PRCTL)
prctl(PR_SET_NAME,name,0,0,0);
#endif
}
double parse_channel(const std::string& chan)
{
double freq;
if (chan == "5A") freq = 174928000;
else if (chan == "5B") freq = 176640000;
else if (chan == "5C") freq = 178352000;
else if (chan == "5D") freq = 180064000;
else if (chan == "6A") freq = 181936000;
else if (chan == "6B") freq = 183648000;
else if (chan == "6C") freq = 185360000;
else if (chan == "6D") freq = 187072000;
else if (chan == "7A") freq = 188928000;
else if (chan == "7B") freq = 190640000;
else if (chan == "7C") freq = 192352000;
else if (chan == "7D") freq = 194064000;
else if (chan == "8A") freq = 195936000;
else if (chan == "8B") freq = 197648000;
else if (chan == "8C") freq = 199360000;
else if (chan == "8D") freq = 201072000;
else if (chan == "9A") freq = 202928000;
else if (chan == "9B") freq = 204640000;
else if (chan == "9C") freq = 206352000;
else if (chan == "9D") freq = 208064000;
else if (chan == "10A") freq = 209936000;
else if (chan == "10B") freq = 211648000;
else if (chan == "10C") freq = 213360000;
else if (chan == "10D") freq = 215072000;
else if (chan == "11A") freq = 216928000;
else if (chan == "11B") freq = 218640000;
else if (chan == "11C") freq = 220352000;
else if (chan == "11D") freq = 222064000;
else if (chan == "12A") freq = 223936000;
else if (chan == "12B") freq = 225648000;
else if (chan == "12C") freq = 227360000;
else if (chan == "12D") freq = 229072000;
else if (chan == "13A") freq = 230784000;
else if (chan == "13B") freq = 232496000;
else if (chan == "13C") freq = 234208000;
else if (chan == "13D") freq = 235776000;
else if (chan == "13E") freq = 237488000;
else if (chan == "13F") freq = 239200000;
else {
std::cerr << "Channel " << chan << " does not exist in table\n";
throw std::out_of_range("channel out of range");
}
return freq;
}
std::optional<std::string> convert_frequency_to_channel(double frequency)
{
const int freq = round(frequency);
std::string chan;
if (freq == 174928000) chan = "5A";
else if (freq == 176640000) chan = "5B";
else if (freq == 178352000) chan = "5C";
else if (freq == 180064000) chan = "5D";
else if (freq == 181936000) chan = "6A";
else if (freq == 183648000) chan = "6B";
else if (freq == 185360000) chan = "6C";
else if (freq == 187072000) chan = "6D";
else if (freq == 188928000) chan = "7A";
else if (freq == 190640000) chan = "7B";
else if (freq == 192352000) chan = "7C";
else if (freq == 194064000) chan = "7D";
else if (freq == 195936000) chan = "8A";
else if (freq == 197648000) chan = "8B";
else if (freq == 199360000) chan = "8C";
else if (freq == 201072000) chan = "8D";
else if (freq == 202928000) chan = "9A";
else if (freq == 204640000) chan = "9B";
else if (freq == 206352000) chan = "9C";
else if (freq == 208064000) chan = "9D";
else if (freq == 209936000) chan = "10A";
else if (freq == 211648000) chan = "10B";
else if (freq == 213360000) chan = "10C";
else if (freq == 215072000) chan = "10D";
else if (freq == 216928000) chan = "11A";
else if (freq == 218640000) chan = "11B";
else if (freq == 220352000) chan = "11C";
else if (freq == 222064000) chan = "11D";
else if (freq == 223936000) chan = "12A";
else if (freq == 225648000) chan = "12B";
else if (freq == 227360000) chan = "12C";
else if (freq == 229072000) chan = "12D";
else if (freq == 230784000) chan = "13A";
else if (freq == 232496000) chan = "13B";
else if (freq == 234208000) chan = "13C";
else if (freq == 235776000) chan = "13D";
else if (freq == 237488000) chan = "13E";
else if (freq == 239200000) chan = "13F";
else { return std::nullopt; }
return chan;
}
std::chrono::milliseconds transmission_frame_duration(unsigned int dabmode)
{
using namespace std::chrono;
switch (dabmode) {
case 1: return milliseconds(96);
case 2: return milliseconds(24);
case 3: return milliseconds(24);
case 4: return milliseconds(48);
default:
throw std::runtime_error("invalid DAB mode");
}
}
time_t get_clock_realtime_seconds()
{
struct timespec t;
if (clock_gettime(CLOCK_REALTIME, &t) != 0) {
throw std::runtime_error(std::string("Failed to retrieve CLOCK_REALTIME") + strerror(errno));
}
return t.tv_sec;
}
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