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-rw-r--r--src/ConfigParser.cpp10
-rw-r--r--src/Utils.cpp53
-rw-r--r--src/Utils.h8
-rw-r--r--src/output/SDR.cpp34
4 files changed, 94 insertions, 11 deletions
diff --git a/src/ConfigParser.cpp b/src/ConfigParser.cpp
index 68ee74b..1219ae7 100644
--- a/src/ConfigParser.cpp
+++ b/src/ConfigParser.cpp
@@ -251,7 +251,7 @@ static void parse_configfile(
throw std::runtime_error("Configuration error");
}
else if (sdr_device_config.frequency == 0) {
- sdr_device_config.frequency = parseChannel(chan);
+ sdr_device_config.frequency = parse_channel(chan);
}
else if (sdr_device_config.frequency != 0 && chan != "") {
std::cerr << " UHD output: cannot define both frequency and channel.\n";
@@ -305,7 +305,7 @@ static void parse_configfile(
throw std::runtime_error("Configuration error");
}
else if (outputsoapy_conf.frequency == 0) {
- outputsoapy_conf.frequency = parseChannel(chan);
+ outputsoapy_conf.frequency = parse_channel(chan);
}
else if (outputsoapy_conf.frequency != 0 && chan != "") {
std::cerr << " soapy output: cannot define both frequency and channel.\n";
@@ -333,7 +333,7 @@ static void parse_configfile(
throw std::runtime_error("Configuration error");
}
else if (outputdexter_conf.frequency == 0) {
- outputdexter_conf.frequency = parseChannel(chan);
+ outputdexter_conf.frequency = parse_channel(chan);
}
else if (outputdexter_conf.frequency != 0 && chan != "") {
std::cerr << " dexter output: cannot define both frequency and channel.\n";
@@ -362,7 +362,7 @@ static void parse_configfile(
throw std::runtime_error("Configuration error");
}
else if (outputlime_conf.frequency == 0) {
- outputlime_conf.frequency = parseChannel(chan);
+ outputlime_conf.frequency = parse_channel(chan);
}
else if (outputlime_conf.frequency != 0 && chan != "") {
std::cerr << " Lime output: cannot define both frequency and channel.\n";
@@ -391,7 +391,7 @@ static void parse_configfile(
throw std::runtime_error("Configuration error");
}
else if (outputbladerf_conf.frequency == 0) {
- outputbladerf_conf.frequency = parseChannel(chan);
+ outputbladerf_conf.frequency = parse_channel(chan);
}
else if (outputbladerf_conf.frequency != 0 && chan != "") {
std::cerr << " BladeRF output: cannot define both frequency and channel.\n";
diff --git a/src/Utils.cpp b/src/Utils.cpp
index 20297ea..788d125 100644
--- a/src/Utils.cpp
+++ b/src/Utils.cpp
@@ -244,7 +244,7 @@ void set_thread_name(const char *name)
#endif
}
-double parseChannel(const std::string& chan)
+double parse_channel(const std::string& chan)
{
double freq;
if (chan == "5A") freq = 174928000;
@@ -286,12 +286,59 @@ double parseChannel(const std::string& chan)
else if (chan == "13E") freq = 237488000;
else if (chan == "13F") freq = 239200000;
else {
- std::cerr << " soapy output: channel " << chan << " does not exist in table\n";
- throw std::out_of_range("soapy channel selection error");
+ 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;
diff --git a/src/Utils.h b/src/Utils.h
index 367dd48..584a756 100644
--- a/src/Utils.h
+++ b/src/Utils.h
@@ -31,6 +31,7 @@
# include "config.h"
#endif
+#include <optional>
#include <string>
#include <chrono>
#include <cstdio>
@@ -54,8 +55,11 @@ int set_realtime_prio(int prio);
// Set the name of the thread
void set_thread_name(const char *name);
-// Convert a channel like 10A to a frequency
-double parseChannel(const std::string& chan);
+// Convert a channel like 10A to a frequency in Hz
+double parse_channel(const std::string& chan);
+
+// Convert a frequency in Hz to a channel.
+std::optional<std::string> convert_frequency_to_channel(double frequency);
// dabMode is either 1, 2, 3, 4, corresponding to TM I, TM II, TM III and TM IV.
// throws a runtime_error if dabMode is not one of these values.
diff --git a/src/output/SDR.cpp b/src/output/SDR.cpp
index e466287..91c31f0 100644
--- a/src/output/SDR.cpp
+++ b/src/output/SDR.cpp
@@ -78,7 +78,8 @@ SDR::SDR(SDRDeviceConfig& config, std::shared_ptr<SDRDevice> device) :
RC_ADD_PARAMETER(txgain, "TX gain");
RC_ADD_PARAMETER(rxgain, "RX gain for DPD feedback");
RC_ADD_PARAMETER(bandwidth, "Analog front-end bandwidth");
- RC_ADD_PARAMETER(freq, "Transmission frequency");
+ RC_ADD_PARAMETER(freq, "Transmission frequency in Hz");
+ RC_ADD_PARAMETER(channel, "Transmission frequency as channel");
RC_ADD_PARAMETER(muting, "Mute the output by stopping the transmitter");
RC_ADD_PARAMETER(temp, "Temperature in degrees C of the device");
RC_ADD_PARAMETER(underruns, "Counter of number of underruns");
@@ -389,6 +390,18 @@ void SDR::set_parameter(const string& parameter, const string& value)
m_device->tune(m_config.lo_offset, m_config.frequency);
m_config.frequency = m_device->get_tx_freq();
}
+ else if (parameter == "channel") {
+ try {
+ const double frequency = parse_channel(value);
+
+ m_config.frequency = frequency;
+ m_device->tune(m_config.lo_offset, m_config.frequency);
+ m_config.frequency = m_device->get_tx_freq();
+ }
+ catch (const std::out_of_range& e) {
+ throw ParameterError("Cannot parse channel");
+ }
+ }
else if (parameter == "muting") {
ss >> m_config.muting;
}
@@ -416,6 +429,16 @@ const string SDR::get_parameter(const string& parameter) const
else if (parameter == "freq") {
ss << m_config.frequency;
}
+ else if (parameter == "channel") {
+ const auto maybe_freq = convert_frequency_to_channel(m_config.frequency);
+
+ if (maybe_freq.has_value()) {
+ ss << *maybe_freq;
+ }
+ else {
+ throw ParameterError("Frequency is outside list of channels");
+ }
+ }
else if (parameter == "muting") {
ss << m_config.muting;
}
@@ -488,6 +511,15 @@ const json::map_t SDR::get_all_values() const
stat["muting"].v = m_config.muting;
stat["temp"].v = std::nullopt;
+ const auto maybe_freq = convert_frequency_to_channel(m_config.frequency);
+
+ if (maybe_freq.has_value()) {
+ stat["channel"].v = *maybe_freq;
+ }
+ else {
+ stat["channel"].v = std::nullopt;
+ }
+
if (m_device) {
const std::optional<double> temp = m_device->get_temperature();
if (temp) {
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-04 15:22:49 +0000