bug: 2025-12-30 16:14:33,035 - NanoVNASaver.utils.version - ERROR - Unable to parse version: itecture: ARMv6-M Core Variant: Cortex-M0 #843
Description
Bug Report
NanoVNA-Saver version: 0.7.3
Current behavior:
Don't connect
Expected behavior:
Connect
Steps to reproduce:
Connect the NanoVNA. Press Rescan and "Connect to Device"
Other information:
└──╼ $NanoVNASaver
NanoVNASaver 0.7.3
Copyright (C) 2019, 2020 Rune B. Broberg
Copyright (C) 2020ff NanoVNA-Saver Authors
This program comes with ABSOLUTELY NO WARRANTY
This program is licensed under the GNU General Public License version 3
See https://github.com/NanoVNA-Saver/nanovna-saver for further details.
QFont::fromString: Invalid description '(empty)'
2025-12-30 16:14:26,233 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:26,885 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:27,001 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:27,072 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:27,190 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:27,259 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:27,309 - NanoVNASaver.Hardware.Hardware - ERROR - No VNA detected. Hardware responded to CR with: h>
ch>
ch> 00000
1004000000
10080000
NanoVNA Shell
ch>
ch>
ch> NanoVNA Shell
NanoVNA?
ch> 880
880?
ch>
ch>
c
2025-12-30 16:14:27,373 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:27,373 - NanoVNASaver.Hardware.Hardware - WARNING - Did not recognize NanoVNA type from firmware.
2025-12-30 16:14:32,983 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:33,035 - NanoVNASaver.utils.version - ERROR - Unable to parse version: itecture: ARMv6-M Core Variant: Cortex-M0
2025-12-30 16:14:33,098 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:33,213 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
2025-12-30 16:14:33,331 - NanoVNASaver.Hardware.Serial - WARNING - unable to drain all data
Traceback (most recent call last):
File "/usr/lib/python3.13/site-packages/NanoVNASaver/Controls/SerialControl.py", line 89, in serialButtonClick
self.connect_device()
~~~~~~~~~~~~~~~~~~~^^
File "/usr/lib/python3.13/site-packages/NanoVNASaver/Controls/SerialControl.py", line 113, in connect_device
self.app.vna = get_VNA(self.interface)
~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/lib/python3.13/site-packages/NanoVNASaver/Hardware/Hardware.py", line 145, in get_VNA
return NAME2DEVICE[iface.comment](iface)
~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/lib/python3.13/site-packages/NanoVNASaver/Hardware/NanoVNA.py", line 42, in __init__
self.start, self.stop = self._get_running_frequencies()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/lib/python3.13/site-packages/NanoVNASaver/Hardware/NanoVNA.py", line 49, in _get_running_frequencies
frequencies = super().readValues("frequencies")
File "/usr/lib/python3.13/site-packages/NanoVNASaver/Hardware/VNA.py", line 207, in readValues
complex(*map(float, s.split())) for s in self.exec_command(value)
~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: could not convert string to float: 'release'