73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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import time
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from libreVNA import libreVNA
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def MeasureNoiseAndPrint(condition):
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# Allow signal to settle
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time.sleep(1)
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p1min = int(vna.query("PORT1_MIN?"))
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p1max = int(vna.query("PORT1_MAX?"))
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p2min = int(vna.query("PORT2_MIN?"))
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p2max = int(vna.query("PORT2_MAX?"))
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refmin = int(vna.query("REF_MIN?"))
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refmax = int(vna.query("REF_MAX?"))
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p1pp = p1max - p1min
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p2pp = p2max - p2min
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refpp = refmax - refmin
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print(condition + "&{:d}&{:d}&{:d}\\\\".format(p1pp, p2pp, refpp))
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# Create the control instance
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vna = libreVNA('localhost', 19542)
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# Make sure we are connecting to a device (just to be sure, with default settings the LibreVNA-GUI auto-connects)
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vna.cmd(":DEV:CONN")
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dev = vna.query(":DEV:CONN?")
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if dev == "Not connected":
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print("Not connected to any device, aborting")
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exit(-1)
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# Enter manual control mode
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vna.cmd(":MAN:STA")
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# By default everything is off, measure ADC noise
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time.sleep(0.5)
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vna.cmd("HSRC_FREQ 100000000")
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print("\\begin{longtable}{p{.5\\textwidth} | p{.1\\textwidth} | p{.1\\textwidth} | p{.1\\textwidth} }")
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print("\\textbf{Condition} & \\textbf{Port 1} & \\textbf{Port 2} & \\textbf{Ref}\\\\")
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print("\\hline")
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MeasureNoiseAndPrint("Everything off")
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vna.cmd("PORT1_EN TRUE")
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vna.cmd("PORT2_EN TRUE")
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vna.cmd("REF_EN TRUE")
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MeasureNoiseAndPrint("Mixers and ADC driver enabled")
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vna.cmd("LO2_EN TRUE")
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MeasureNoiseAndPrint("LO2 enabled")
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vna.cmd("LO1_CE TRUE")
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vna.cmd("LO1_RFEN TRUE")
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MeasureNoiseAndPrint("LO2 and LO1 enabled")
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vna.cmd("AMP_EN TRUE")
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MeasureNoiseAndPrint("LO2, LO1 and amplifier enabled")
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vna.cmd("HSRC_CE TRUE")
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vna.cmd("HSRC_RFEN TRUE")
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MeasureNoiseAndPrint("LO2, LO1, amplifier and source at port 1 enabled")
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vna.cmd("PORT_SW 2")
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MeasureNoiseAndPrint("LO2, LO1, amplifier and source at port 2 enabled")
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print("\\end{longtable}")
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vna.cmd("STOP")
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exit(0)
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