uhd: added continuous streaming and new options to tx_waveforms

1 files changed, 4 insertions, 4 deletions

diff --git a/host/examples/tx_samples_from_file.cpp b/host/examples/tx_samples_from_file.cpp
index 7824f4389..acf899fa9 100644
--- a/host/examples/tx_samples_from_file.cpp
+++ b/host/examples/tx_samples_from_file.cpp
@@ -73,11 +73,11 @@ int UHD_SAFE_MAIN(int argc, char *argv[]){
         ("type", po::value<std::string>(&type)->default_value("float"), "sample type: double, float, or short")
         ("spb", po::value<size_t>(&spb)->default_value(10000), "samples per buffer")
         ("rate", po::value<double>(&rate), "rate of outgoing samples")
-        ("freq", po::value<double>(&freq), "rf center frequency in Hz")
+        ("freq", po::value<double>(&freq), "RF center frequency in Hz")
         ("gain", po::value<double>(&gain), "gain for the RF chain")
-        ("ant", po::value<std::string>(&ant), "select antenna")
-        ("subdev", po::value<std::string>(&subdev), "select subdevice")
-        ("bw", po::value<double>(&bw), "select IF filter bandwidth in Hz")
+        ("ant", po::value<std::string>(&ant), "daughterboard antenna selection")
+        ("subdev", po::value<std::string>(&subdev), "daughterboard subdevice specification")
+        ("bw", po::value<double>(&bw), "daughterboard IF filter bandwidth in Hz")
     ;
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);