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-rw-r--r--host/examples/CMakeLists.txt57
-rw-r--r--host/examples/ascii_art_dft.hpp2
-rw-r--r--host/examples/rx_samples_to_file.cpp (renamed from host/examples/rx_to_file.cpp)55
-rw-r--r--host/examples/rx_samples_to_udp.cpp (renamed from host/examples/rx_to_udp.cpp)86
-rw-r--r--host/examples/rx_timed_samples.cpp19
-rw-r--r--host/examples/tx_timed_samples.cpp19
-rw-r--r--host/include/uhd/usrp/multi_usrp.hpp8
-rw-r--r--host/include/uhd/usrp/subdev_spec.hpp11
-rw-r--r--host/lib/usrp/multi_usrp.cpp9
9 files changed, 120 insertions, 146 deletions
diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt
index 3203cffc0..ce2ca9640 100644
--- a/host/examples/CMakeLists.txt
+++ b/host/examples/CMakeLists.txt
@@ -16,46 +16,27 @@
#
########################################################################
-ADD_EXECUTABLE(benchmark_rx_rate benchmark_rx_rate.cpp)
-TARGET_LINK_LIBRARIES(benchmark_rx_rate uhd)
-
-ADD_EXECUTABLE(rx_timed_samples rx_timed_samples.cpp)
-TARGET_LINK_LIBRARIES(rx_timed_samples uhd)
-
-ADD_EXECUTABLE(rx_to_file rx_to_file.cpp)
-TARGET_LINK_LIBRARIES(rx_to_file uhd)
-
-ADD_EXECUTABLE(rx_to_udp rx_to_udp.cpp)
-TARGET_LINK_LIBRARIES(rx_to_udp uhd)
-
-ADD_EXECUTABLE(test_async_messages test_async_messages.cpp)
-TARGET_LINK_LIBRARIES(test_async_messages uhd)
-
-ADD_EXECUTABLE(test_pps_input test_pps_input.cpp)
-TARGET_LINK_LIBRARIES(test_pps_input uhd)
-
-ADD_EXECUTABLE(tx_timed_samples tx_timed_samples.cpp)
-TARGET_LINK_LIBRARIES(tx_timed_samples uhd)
-
-ADD_EXECUTABLE(tx_from_file tx_from_file.cpp)
-TARGET_LINK_LIBRARIES(tx_from_file uhd)
-
-ADD_EXECUTABLE(tx_waveforms tx_waveforms.cpp)
-TARGET_LINK_LIBRARIES(tx_waveforms uhd)
-
-INSTALL(TARGETS
- benchmark_rx_rate
- rx_timed_samples
- test_async_messages
- test_pps_input
- tx_timed_samples
- tx_from_file
- rx_to_file
- rx_to_udp
- tx_waveforms
- RUNTIME DESTINATION ${PKG_DATA_DIR}/examples
+# example applications
+########################################################################
+SET(example_sources
+ benchmark_rx_rate.cpp
+ rx_samples_to_file.cpp
+ rx_samples_to_udp.cpp
+ rx_timed_samples.cpp
+ test_async_messages.cpp
+ test_pps_input.cpp
+ tx_timed_samples.cpp
+ tx_waveforms.cpp
)
+#for each source: build an executable and install
+FOREACH(example_source ${example_sources})
+ GET_FILENAME_COMPONENT(example_name ${example_source} NAME_WE)
+ ADD_EXECUTABLE(${example_name} ${example_source})
+ TARGET_LINK_LIBRARIES(${example_name} uhd)
+ INSTALL(TARGETS ${example_name} RUNTIME DESTINATION ${PKG_DATA_DIR}/examples)
+ENDFOREACH(example_source)
+
########################################################################
# ASCII Art DFT - requires curses, so this part is optional
########################################################################
diff --git a/host/examples/ascii_art_dft.hpp b/host/examples/ascii_art_dft.hpp
index 92fb77596..ee2267c2d 100644
--- a/host/examples/ascii_art_dft.hpp
+++ b/host/examples/ascii_art_dft.hpp
@@ -28,7 +28,7 @@ namespace acsii_art_dft{
);
/*!
- * Convert a DFT to a printable ascii plot.
+ * Convert a DFT to a piroundable ascii plot.
* \param dft the log power dft bins
* \param width the frame width in characters
* \param height the frame height in characters
diff --git a/host/examples/rx_to_file.cpp b/host/examples/rx_samples_to_file.cpp
index f08f7cee3..c80d2a6de 100644
--- a/host/examples/rx_to_file.cpp
+++ b/host/examples/rx_samples_to_file.cpp
@@ -20,32 +20,32 @@
#include <uhd/usrp/single_usrp.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
+#include <boost/thread.hpp>
#include <iostream>
#include <fstream>
#include <complex>
namespace po = boost::program_options;
-
int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
- std::string args;
- time_t seconds_in_future;
+ std::string args, file;
size_t total_num_samps;
- double rx_rate, freq;
+ double rate, freq;
+ float gain;
//setup the program options
po::options_description desc("Allowed options");
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
- ("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to receive")
+ ("file", po::value<std::string>(&file)->default_value("out.16sc.dat"), "name of the file to write binary samples to")
("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive")
- ("rxrate", po::value<double>(&rx_rate)->default_value(100e6/16), "rate of incoming samples")
+ ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples")
("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
- ("dilv", "specify to disable inner-loop verbose")
+ ("gain", po::value<float>(&gain)->default_value(0), "gain for the RF chain")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -57,8 +57,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
return ~0;
}
- bool verbose = vm.count("dilv") == 0;
-
//create a usrp device
std::cout << std::endl;
std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
@@ -66,37 +64,35 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::device::sptr dev = sdev->get_device();
std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
- //set properties on the device
- std::cout << boost::format("Setting RX Rate: %f Msps...") % (rx_rate/1e6) << std::endl;
- sdev->set_rx_rate(rx_rate);
- std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl;
- std::cout << boost::format("Setting device timestamp to 0...") << std::endl;
+ //set the rx sample rate
+ std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ sdev->set_rx_rate(rate);
+ std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl << std::endl;
+
+ //set the rx center frequency
+ std::cout << boost::format("Setting RX Freq: %f Mhz...") % (freq/1e6) << std::endl;
sdev->set_rx_freq(freq);
- sdev->set_time_now(uhd::time_spec_t(0.0));
+ std::cout << boost::format("Actual RX Freq: %f Mhz...") % (sdev->get_rx_freq()/1e6) << std::endl << std::endl;
- uhd::gain_range_t rx_gain = sdev->get_rx_gain_range();
- std::cout << "Setting RX Gain to: " << rx_gain.max << std::endl;
- sdev->set_rx_gain(rx_gain.max);
+ //set the rx rf gain
+ std::cout << boost::format("Setting RX Gain: %f dB...") % gain << std::endl;
+ sdev->set_rx_gain(gain);
+ std::cout << boost::format("Actual RX Gain: %f dB...") % sdev->get_rx_gain() << std::endl << std::endl;
- sleep(1);
+ boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time
std::cout << "LO Locked = " << sdev->get_rx_lo_locked() << std::endl;
//setup streaming
- std::cout << std::endl;
- std::cout << boost::format(
- "Begin streaming %u samples, %d seconds in the future..."
- ) % total_num_samps % seconds_in_future << std::endl;
uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
stream_cmd.num_samps = total_num_samps;
- stream_cmd.stream_now = false;
- stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future);
+ stream_cmd.stream_now = true;
sdev->issue_stream_cmd(stream_cmd);
//loop until total number of samples reached
size_t num_acc_samps = 0; //number of accumulated samples
uhd::rx_metadata_t md;
std::vector<std::complex<short> > buff(dev->get_max_recv_samps_per_packet());
- std::ofstream outfile("out.dat", std::ofstream::binary);
+ std::ofstream outfile(file.c_str(), std::ofstream::binary);
while(num_acc_samps < total_num_samps){
size_t num_rx_samps = dev->recv(
@@ -124,11 +120,8 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
goto done_loop;
}
- outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex<short>));
-
- if(verbose) std::cout << boost::format(
- "Got packet: %u samples, %u full secs, %f frac secs"
- ) % num_rx_samps % md.time_spec.get_full_secs() % md.time_spec.get_frac_secs() << std::endl;
+ //write complex short integer samples to the binary file
+ outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex<short>));
num_acc_samps += num_rx_samps;
} done_loop:
diff --git a/host/examples/rx_to_udp.cpp b/host/examples/rx_samples_to_udp.cpp
index c8b3d506b..488c95494 100644
--- a/host/examples/rx_to_udp.cpp
+++ b/host/examples/rx_samples_to_udp.cpp
@@ -18,42 +18,36 @@
#include <uhd/utils/thread_priority.hpp>
#include <uhd/utils/safe_main.hpp>
#include <uhd/usrp/single_usrp.hpp>
+#include <uhd/transport/udp_simple.hpp>
#include <boost/program_options.hpp>
#include <boost/format.hpp>
+#include <boost/thread.hpp>
#include <iostream>
-#include <fstream>
#include <complex>
-#include "sys/types.h"
-#include "sys/socket.h"
-#include "arpa/inet.h"
-
namespace po = boost::program_options;
-
int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::set_thread_priority_safe();
//variables to be set by po
std::string args;
- time_t seconds_in_future;
size_t total_num_samps;
- double rx_rate, freq;
- short srv_port;
- std::string srv_ip;
+ double rate, freq;
+ float gain;
+ std::string addr, port;
//setup the program options
po::options_description desc("Allowed options");
desc.add_options()
("help", "help message")
("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
- ("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to receive")
("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive")
- ("rxrate", po::value<double>(&rx_rate)->default_value(100e6/16), "rate of incoming samples")
+ ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples")
("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
- ("port", po::value<short>(&srv_port)->default_value(7124), "server port")
- ("ip", po::value<std::string>(&srv_ip)->default_value("192.168.1.10"), "server ip")
- ("dilv", "specify to disable inner-loop verbose")
+ ("gain", po::value<float>(&gain)->default_value(0), "gain for the RF chain")
+ ("port", po::value<std::string>(&port)->default_value("7124"), "server udp port")
+ ("addr", po::value<std::string>(&addr)->default_value("192.168.1.10"), "resolvable server address")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -65,8 +59,6 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
return ~0;
}
- bool verbose = vm.count("dilv") == 0;
-
//create a usrp device
std::cout << std::endl;
std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
@@ -74,52 +66,35 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::device::sptr dev = sdev->get_device();
std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
- //set properties on the device
- std::cout << boost::format("Setting RX Rate: %f Msps...") % (rx_rate/1e6) << std::endl;
- sdev->set_rx_rate(rx_rate);
- std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl;
- std::cout << boost::format("Setting device timestamp to 0...") << std::endl;
+ //set the rx sample rate
+ std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ sdev->set_rx_rate(rate);
+ std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl << std::endl;
+
+ //set the rx center frequency
+ std::cout << boost::format("Setting RX Freq: %f Mhz...") % (freq/1e6) << std::endl;
sdev->set_rx_freq(freq);
- sdev->set_time_now(uhd::time_spec_t(0.0));
+ std::cout << boost::format("Actual RX Freq: %f Mhz...") % (sdev->get_rx_freq()/1e6) << std::endl << std::endl;
- uhd::gain_range_t rx_gain = sdev->get_rx_gain_range();
- std::cout << "Setting RX Gain to: " << rx_gain.max << std::endl;
- sdev->set_rx_gain(rx_gain.max);
+ //set the rx rf gain
+ std::cout << boost::format("Setting RX Gain: %f dB...") % gain << std::endl;
+ sdev->set_rx_gain(gain);
+ std::cout << boost::format("Actual RX Gain: %f dB...") % sdev->get_rx_gain() << std::endl << std::endl;
- sleep(1);
+ boost::this_thread::sleep(boost::posix_time::seconds(1)); //allow for some setup time
std::cout << "LO Locked = " << sdev->get_rx_lo_locked() << std::endl;
//setup streaming
- std::cout << std::endl;
- std::cout << boost::format(
- "Begin streaming %u samples, %d seconds in the future..."
- ) % total_num_samps % seconds_in_future << std::endl;
uhd::stream_cmd_t stream_cmd(uhd::stream_cmd_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
stream_cmd.num_samps = total_num_samps;
- stream_cmd.stream_now = false;
- stream_cmd.time_spec = uhd::time_spec_t(seconds_in_future);
+ stream_cmd.stream_now = true;
sdev->issue_stream_cmd(stream_cmd);
//loop until total number of samples reached
size_t num_acc_samps = 0; //number of accumulated samples
uhd::rx_metadata_t md;
- std::vector<std::complex<float> > buff(368);
- std::ofstream outfile("out.dat", std::ofstream::binary);
-
- int s;
- struct sockaddr_in si_other;
- if ((s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1) {
- std::cout << "Failid to open socket." << std::endl;
- return -1;
- }
-
- memset((char *) &si_other, 0, sizeof(si_other));
- si_other.sin_family = AF_INET;
- si_other.sin_port = htons(srv_port);
- if (inet_aton(srv_ip.c_str(), &si_other.sin_addr) == 0) {
- std::cout << "Bad inet addr: " << srv_ip << std::endl;
- return -1;
- }
+ std::vector<std::complex<float> > buff(dev->get_max_recv_samps_per_packet());
+ uhd::transport::udp_simple::sptr udp_xport = uhd::transport::udp_simple::make_connected(addr, port);
while(num_acc_samps < total_num_samps){
size_t num_rx_samps = dev->recv(
@@ -147,19 +122,12 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
goto done_loop;
}
-// outfile.write((const char*)&buff[0], num_rx_samps * sizeof(std::complex<short>));
- if (sendto(s, (const char *)&buff[0], num_rx_samps * sizeof(std::complex<float>), 0 , (const sockaddr *)&si_other, sizeof(si_other)) == -1)
- std::cout << "Sendto failed." << std::endl;
-
- if(verbose) std::cout << boost::format(
- "Got packet: %u samples, %u full secs, %f frac secs"
- ) % num_rx_samps % md.time_spec.get_full_secs() % md.time_spec.get_frac_secs() << std::endl;
+ //send complex single precision floating point samples over udp
+ udp_xport->send(boost::asio::buffer(buff, num_rx_samps));
num_acc_samps += num_rx_samps;
} done_loop:
- outfile.close();
-
//finished
std::cout << std::endl << "Done!" << std::endl << std::endl;
diff --git a/host/examples/rx_timed_samples.cpp b/host/examples/rx_timed_samples.cpp
index 441665900..8a810811f 100644
--- a/host/examples/rx_timed_samples.cpp
+++ b/host/examples/rx_timed_samples.cpp
@@ -32,7 +32,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
std::string args;
time_t seconds_in_future;
size_t total_num_samps;
- double rx_rate, freq;
+ double rate, freq;
//setup the program options
po::options_description desc("Allowed options");
@@ -41,7 +41,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("args", po::value<std::string>(&args)->default_value(""), "single uhd device address args")
("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to receive")
("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to receive")
- ("rxrate", po::value<double>(&rx_rate)->default_value(100e6/16), "rate of incoming samples")
+ ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of incoming samples")
("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
("dilv", "specify to disable inner-loop verbose")
;
@@ -64,12 +64,17 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::device::sptr dev = sdev->get_device();
std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
- //set properties on the device
- std::cout << boost::format("Setting RX Rate: %f Msps...") % (rx_rate/1e6) << std::endl;
- sdev->set_rx_rate(rx_rate);
- std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl;
- std::cout << boost::format("Setting device timestamp to 0...") << std::endl;
+ //set the rx sample rate
+ std::cout << boost::format("Setting RX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ sdev->set_rx_rate(rate);
+ std::cout << boost::format("Actual RX Rate: %f Msps...") % (sdev->get_rx_rate()/1e6) << std::endl << std::endl;
+
+ //set the rx center frequency
+ std::cout << boost::format("Setting RX Freq: %f Mhz...") % (freq/1e6) << std::endl;
sdev->set_rx_freq(freq);
+ std::cout << boost::format("Actual RX Freq: %f Mhz...") % (sdev->get_rx_freq()/1e6) << std::endl << std::endl;
+
+ std::cout << boost::format("Setting device timestamp to 0...") << std::endl;
sdev->set_time_now(uhd::time_spec_t(0.0));
//setup streaming
diff --git a/host/examples/tx_timed_samples.cpp b/host/examples/tx_timed_samples.cpp
index 863446682..799da37e0 100644
--- a/host/examples/tx_timed_samples.cpp
+++ b/host/examples/tx_timed_samples.cpp
@@ -33,7 +33,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
time_t seconds_in_future;
size_t total_num_samps;
size_t samps_per_packet;
- double tx_rate, freq;
+ double rate, freq;
float ampl;
//setup the program options
@@ -44,7 +44,7 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
("secs", po::value<time_t>(&seconds_in_future)->default_value(3), "number of seconds in the future to transmit")
("nsamps", po::value<size_t>(&total_num_samps)->default_value(1000), "total number of samples to transmit")
("spp", po::value<size_t>(&samps_per_packet)->default_value(1000), "number of samples per packet")
- ("txrate", po::value<double>(&tx_rate)->default_value(100e6/16), "rate of outgoing samples")
+ ("rate", po::value<double>(&rate)->default_value(100e6/16), "rate of outgoing samples")
("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of each sample")
("dilv", "specify to disable inner-loop verbose")
@@ -68,12 +68,17 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
uhd::device::sptr dev = sdev->get_device();
std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
- //set properties on the device
- std::cout << boost::format("Setting TX Rate: %f Msps...") % (tx_rate/1e6) << std::endl;
- sdev->set_tx_rate(tx_rate);
- std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl;
- std::cout << boost::format("Setting device timestamp to 0...") << std::endl;
+ //set the tx sample rate
+ std::cout << boost::format("Setting TX Rate: %f Msps...") % (rate/1e6) << std::endl;
+ sdev->set_tx_rate(rate);
+ std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl << std::endl;
+
+ //set the tx center frequency
+ std::cout << boost::format("Setting TX Freq: %f Mhz...") % (freq/1e6) << std::endl;
sdev->set_tx_freq(freq);
+ std::cout << boost::format("Actual TX Freq: %f Mhz...") % (sdev->get_tx_freq()/1e6) << std::endl << std::endl;
+
+ std::cout << boost::format("Setting device timestamp to 0...") << std::endl;
sdev->set_time_now(uhd::time_spec_t(0.0));
//allocate data to send
diff --git a/host/include/uhd/usrp/multi_usrp.hpp b/host/include/uhd/usrp/multi_usrp.hpp
index 5380d177d..98ba07fc0 100644
--- a/host/include/uhd/usrp/multi_usrp.hpp
+++ b/host/include/uhd/usrp/multi_usrp.hpp
@@ -145,6 +145,14 @@ public:
virtual void set_time_unknown_pps(const time_spec_t &time_spec) = 0;
/*!
+ * Are the times across all motherboards in this configuration synchronized?
+ * Checks that all time registers are approximately close but not exact,
+ * given that the RTT may varying for a control packet transaction.
+ * \return true when all motherboards time registers are in sync
+ */
+ virtual bool get_time_synchronized(void) = 0;
+
+ /*!
* Issue a stream command to the usrp device.
* This tells the usrp to send samples into the host.
* See the documentation for stream_cmd_t for more info.
diff --git a/host/include/uhd/usrp/subdev_spec.hpp b/host/include/uhd/usrp/subdev_spec.hpp
index 5de3bb3b8..b189724c9 100644
--- a/host/include/uhd/usrp/subdev_spec.hpp
+++ b/host/include/uhd/usrp/subdev_spec.hpp
@@ -26,10 +26,10 @@
namespace uhd{ namespace usrp{
/*!
- * A subdevice specification (daughterboard, subdevice) name pairing.
+ * A subdevice specification (daughterboard slot, subdevice) name pairing.
*/
struct UHD_API subdev_spec_pair_t : boost::equality_comparable<subdev_spec_pair_t>{
- //! The daughterboard name
+ //! The daughterboard slot name
std::string db_name;
//! The subdevice name
@@ -50,7 +50,7 @@ namespace uhd{ namespace usrp{
UHD_API bool operator==(const subdev_spec_pair_t &, const subdev_spec_pair_t &);
/*!
- * A list of (daughterboard name, subdevice name) pairs:
+ * A list of (daughterboard slot name, subdevice name) pairs:
*
* A subdevice specification represents a list of subdevices on a motherboard.
* The subdevices specified may span across multiple daughterboards;
@@ -62,6 +62,11 @@ namespace uhd{ namespace usrp{
* The markup-string is a whitespace separated list of dboard:subdev pairs.
* The first pair represents the subdevice for channel zero,
* the second pair represents the subdevice for channel one, and so on.
+ *
+ * Special handling for empty conditions:
+ * - An empty subdevice specification means: select the first subdevice found in the configuration
+ * - An empty daughterboard name means: select the only daughterboard slot or error if multiple exist
+ * - An empty subdevice name means: select the only subdevice on that board or error if multiple exist
*/
class UHD_API subdev_spec_t : public std::vector<subdev_spec_pair_t>{
public:
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 024a6152d..876f1a3fc 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -154,6 +154,15 @@ public:
}
}
+ bool get_time_synchronized(void){
+ for (size_t m = 1; m < get_num_mboards(); m++){
+ time_spec_t time_0 = _mboard(0)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
+ time_spec_t time_i = _mboard(m)[MBOARD_PROP_TIME_NOW].as<time_spec_t>();
+ if (time_i < time_0 or (time_i - time_0) > time_spec_t(0.01)) return false;
+ }
+ return true;
+ }
+
void issue_stream_cmd(const stream_cmd_t &stream_cmd){
for (size_t m = 0; m < get_num_mboards(); m++){
_mboard(m)[MBOARD_PROP_STREAM_CMD] = stream_cmd;
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 16:47:07 +0000