From 76e9e6393fe1d5a0ccc9e05deb431694921850ec Mon Sep 17 00:00:00 2001 From: Andrej Rode Date: Mon, 24 Oct 2016 10:25:42 -0700 Subject: gr-usrptest: Initial creation - new OOT-blocks: phase_calc_ccf hier-block, measurement_sink_f - new python submodules: flowgraphs, functions, rts_tests - new apps: usrp_phasealignment.py - cmdline example for manual testing OOT-Blocks: - phase_calc_ccf takes two complex input streams and conjugate multiplys them and extracts the phase from the result and converts it to degree scale - measurement_sink_f: takes a float input stream and calculates average and stddev for a specified number of samples. Start of a measurement is invoked by a call of start_run() on the block. After a couple of runs average and stddev can be extracted. Python modules: - flowgrahps contains reconfigurable flowgraphs for different GNU Radio RF test cases - functions contains functions which are used in different apps/RTS scripts - rts_tests contains test cases which are meant to be executed from the RTS system. Depends on TinyDB, labview_automation Apps: - usrp_phasealignment.py is an example how to use the underlying flowgraph to measure phase differences. Commandline arguments of uhd_app can be used and several additional arguments can/have to be specified. Runs a phase difference measurement --runs number of times and averages phase difference over --duration seconds. Between measurements USRP sinks are retuned to random frequencies in daughterboard range. Results are displayed using motherboard serial and daughterboard serial --- .../examples/phase_diff_x310_ubx_example.grc | 3296 ++++++++++++++++++++ 1 file changed, 3296 insertions(+) create mode 100644 tools/gr-usrptest/examples/phase_diff_x310_ubx_example.grc (limited to 'tools/gr-usrptest/examples') diff --git a/tools/gr-usrptest/examples/phase_diff_x310_ubx_example.grc b/tools/gr-usrptest/examples/phase_diff_x310_ubx_example.grc new file mode 100644 index 000000000..f6cbe3d83 --- /dev/null +++ b/tools/gr-usrptest/examples/phase_diff_x310_ubx_example.grc @@ -0,0 +1,3296 @@ + + + + Thu Oct 6 14:49:17 2016 + + options + + author + + + + window_size + + + + category + [GRC Hier Blocks] + + + comment + + + + description + + + + _enabled + True + + + _coordinate + (8, 8) + + + _rotation + 0 + + + generate_options + qt_gui + + + hier_block_src_path + .: + + + id + phase_difference_x3x0_example + + + max_nouts + 0 + + + qt_qss_theme + + + + realtime_scheduling + + + + run_command + 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qtgui_time_sink_x_0 + 0 + 0 + + -- cgit v1.2.3