mirror of
https://github.com/jankae/LibreVNA.git
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58 lines
1.3 KiB
Python
58 lines
1.3 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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# Create the control instance
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vna = libreVNA('localhost', 19542)
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# Quick connection check (should print "LibreVNA-GUI")
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print(vna.query("*IDN?"))
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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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else:
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print("Connected to "+dev)
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# Capture live data as it is coming in. Stop acquisition for now
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vna.cmd(":VNA:ACQ:STOP")
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# switch to VNA mode, set up the sweep parameters
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print("Setting up the sweep...")
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vna.cmd(":DEV:MODE VNA")
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vna.cmd(":VNA:SWEEP FREQUENCY")
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vna.cmd(":VNA:STIM:LVL -10")
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vna.cmd(":VNA:ACQ:IFBW 100")
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vna.cmd(":VNA:ACQ:AVG 1")
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vna.cmd(":VNA:ACQ:POINTS 501")
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vna.cmd(":VNA:FREQuency:START 10000000")
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vna.cmd(":VNA:FREQuency:STOP 6000000000")
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sweepComplete = False
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def callback(data):
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global sweepComplete
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print(data)
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if data["pointNum"] == 500:
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# this was the last point
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vna.remove_live_callback(19000, callback)
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sweepComplete = True
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# Set up the connection for the live data
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vna.add_live_callback(19000, callback)
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print("Starting the sweep...")
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vna.cmd(":VNA:ACQ:RUN")
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while not sweepComplete:
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time.sleep(0.1)
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print("Sweep complete")
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