jankae/LibreVNA
1
0
Fork 0
mirror of https://github.com/jankae/LibreVNA.git synced 2026-04-21 06:13:41 +00:00
Code Issues Projects Releases Packages Wiki Activity

Simple python script for demonstrating SCPI programming

Browse source
This commit is contained in:
Jan Käberich 2021-04-15 20:06:23 +02:00
parent aebe92111b
commit 9db83a608d
3 changed files with 132 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

46
Documentation/UserManual/SCPI_Examples/simple_generator_control.py Normal file
View file

@ -0,0 +1,46 @@
#!/usr/bin/env python3
import time
from libreVNA import libreVNA
# Create the control instance
vna = libreVNA('localhost', 19542)
# Quick connection check (should print "LibreVNA-GUI")
print(vna.query("*IDN?"))
# Make sure we are connecting to a device (just to be sure, with default settings the LibreVNA-GUI auto-connects)
vna.cmd(":DEV:CONN")
dev = vna.query(":DEV:CONN?")
if dev == "Not connected":
print("Not connected to any device, aborting")
exit(-1)
else:
print("Connected to "+dev)
# Simple generator demo
# switch to generator
vna.cmd(":DEV:MODE GEN")
# set the output level
vna.cmd(":GEN:LVL -20")
# set initial frequency and enable port 1
print("Generating signal with 1GHz at port 1")
vna.cmd(":GEN:FREQ 1000000000")
vna.cmd(":GEN:PORT 1")
try:
while True:
time.sleep(2)
print("Setting frequency to 1.5GHz")
vna.cmd(":GEN:FREQ 1500000000")
time.sleep(2)
print("Setting frequency to 1.0GHz")
vna.cmd(":GEN:FREQ 1000000000")
except KeyboardInterrupt:
# turn off generator
vna.cmd(":GEN:PORT 0")
exit(0)