From f5eff6ed08760b1a78fd1e5dc7eacff4fc0e5033 Mon Sep 17 00:00:00 2001 From: Tom Rondeau Date: Sat, 26 Nov 2011 12:07:15 -0500 Subject: uhd: patch from Marcus Leech to add FFT update rate and averating on/off to command line options of uhd_fft.py. --- gr-uhd/apps/uhd_fft.py | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'gr-uhd') diff --git a/gr-uhd/apps/uhd_fft.py b/gr-uhd/apps/uhd_fft.py index c06a23036..7ebf5e106 100755 --- a/gr-uhd/apps/uhd_fft.py +++ b/gr-uhd/apps/uhd_fft.py @@ -63,10 +63,14 @@ class app_top_block(stdgui2.std_top_block): help="Enable oscilloscope display") parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1, help="Set fftsink averaging factor, default=[%default]") + parser.add_option ("", "--averaging", action="store_true", default=False, + help="Enable fftsink averaging, default=[%default]") parser.add_option("", "--ref-scale", type="eng_float", default=1.0, help="Set dBFS=0dB input value, default=[%default]") parser.add_option("--fft-size", type="int", default=1024, help="Set number of FFT bins [default=%default]") + parser.add_option("--fft-rate", type="int", default=30, + help="Set FFT update rate, [default=%default]") (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() @@ -74,7 +78,8 @@ class app_top_block(stdgui2.std_top_block): self.options = options self.show_debug_info = True - self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32')) + self.u = uhd.usrp_source(device_addr=options.args, + stream_args=uhd.stream_args('fc32')) # Set the subdevice spec if(options.spec): @@ -98,7 +103,9 @@ class app_top_block(stdgui2.std_top_block): ref_scale=options.ref_scale, ref_level=20.0, y_divs = 12, - avg_alpha=options.avg_alpha) + average=options.averaging, + avg_alpha=options.avg_alpha, + fft_rate=options.fft_rate) self.frame.SetMinSize((800, 420)) self.connect(self.u, self.scope) -- cgit From 435dc713e9ea5783729a2205a3c6fb9c9a3380b1 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Sun, 27 Nov 2011 01:25:25 -0500 Subject: uhd: cleanup some -Wall warnings --- gr-uhd/examples/tag_sink_demo.h | 5 +++-- gr-uhd/examples/tag_source_demo.h | 2 +- gr-uhd/lib/gr_uhd_usrp_source.cc | 4 ++-- 3 files changed, 6 insertions(+), 5 deletions(-) (limited to 'gr-uhd') diff --git a/gr-uhd/examples/tag_sink_demo.h b/gr-uhd/examples/tag_sink_demo.h index 524f0ae0f..7d49bd971 100644 --- a/gr-uhd/examples/tag_sink_demo.h +++ b/gr-uhd/examples/tag_sink_demo.h @@ -51,12 +51,13 @@ public: //print all tags BOOST_FOREACH(const gr_tag_t &rx_time_tag, rx_time_tags){ - const uint64_t count = rx_time_tag.offset; + const uint64_t offset = rx_time_tag.offset; const pmt::pmt_t &value = rx_time_tag.value; - std::cout << boost::format("Full seconds %u, Frac seconds %f") + std::cout << boost::format("Full seconds %u, Frac seconds %f, abs sample offset %u") % pmt::pmt_to_uint64(pmt_tuple_ref(value, 0)) % pmt::pmt_to_double(pmt_tuple_ref(value, 1)) + % offset << std::endl; } diff --git a/gr-uhd/examples/tag_source_demo.h b/gr-uhd/examples/tag_source_demo.h index a995762f7..9743c3407 100644 --- a/gr-uhd/examples/tag_source_demo.h +++ b/gr-uhd/examples/tag_source_demo.h @@ -122,7 +122,7 @@ private: const double _samp_rate; const uint64_t _samps_per_burst; const double _cycle_duration; - bool _do_new_burst; uint64_t _samps_left_in_burst; + bool _do_new_burst; }; diff --git a/gr-uhd/lib/gr_uhd_usrp_source.cc b/gr-uhd/lib/gr_uhd_usrp_source.cc index 953ef6995..51a756908 100644 --- a/gr-uhd/lib/gr_uhd_usrp_source.cc +++ b/gr-uhd/lib/gr_uhd_usrp_source.cc @@ -388,11 +388,11 @@ public: while (true){ #ifdef GR_UHD_USE_STREAM_API const size_t bpi = uhd::convert::get_bytes_per_item(_stream_args.cpu_format); - const size_t num_samps = _rx_stream->recv( + _rx_stream->recv( outputs, nbytes/bpi, _metadata, 0.0 ); #else - const size_t num_samps = _dev->get_device()->recv( + _dev->get_device()->recv( outputs, nbytes/_type->size, _metadata, *_type, uhd::device::RECV_MODE_FULL_BUFF, 0.0 ); -- cgit