The June 2020 alpha release of QCoDeS
GroupParameter.group
,Group.parameters
andGroup.instrument
are now all read only properties (#2031).- The public attributes
Group.get_cmd
andGroup.get_cmd
have been removed (#2031). - It is now an error to supply get/set_cmd, if get/set_raw is not abstract (#2015).
- Add Zurich Instruments drivers. The old ZIUHFLI driver is deprecated. The actual implementation is in zhinst-qcodes as described in this blog <https://blogs.zhinst .com/andrea/2020/05/24/control-your-measurements-with-qcodes-and-labber/> (#2025).
- New features are added to Keysight B1517A driver to allow IV staircase sweep measurements (#2028).
- Various improvements are done on B1520A driver, such as, parsing correctly the wrong output floats ('-0.-1') from the instrument until new firmware release (#2023), improved testing (#2027), fixing spot measurement of capacitance checking for wrong impedance model, and working with ac_dc_volt_monitor=True (#2020).
- Now on_off_val_mapping is used instead of a custom parser in Agilent E8527D (#2030).
- The parameter limits are added for the R&S ZNB-40 VNA R&S (#2029).
- The DelegateParameter is now allowed to change source and also support a None source (#2005).
- The GroupParameter now correctly update their cache when a single parameter in the group has been set or captured (#2031).
- The GroupParameter now correctly implements mappings between
value
andraw_value
e.g.scale
andoffset
(#2031). - Snapshot_base introduce new update=None, and use cache in parameter's snapshot_base (#1833).
- Now initial cache value can be set to the Parameter using kwarg
initial_cache_val
(#1840). - The snapshots of stations and instruments can also be diffed now using diff_param_values (#2021).
- New lines are now handled correctly on windows (#2026).
- In the
Parameter
class, the gettable/settable have become read only property (#2024). - Parameter cache.get is refactored to make the logic a bit more clear. Its functionality remains the same (#2008).
- The loop data location in channels test is changed for pytest-xdist to work (#2010).