simulation: fix extra_params default, ccidu1 cfg

Change-Id: I80672f1c070054871708961bc6641457f8e409ec
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/34843
Reviewed-by: Alexander Zaft <a.zaft@fz-juelich.de>
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Georg Brandl <g.brandl@fz-juelich.de>

cfg/sim_mlz_ccidu1_cfg.py

@@ -91,6 +91,7 @@ Mod('ccidu1_V6',
     'frappy.simulation.SimDrivable',
     'Needle valve',
     value = Param(default=99, datatype={"type":"double", "min":0, "max":100, "unit":"%%"}),
+    target = Param(min=0, max=100),
     visibility='expert',
 )
 

frappy/simulation.py

@@ -31,7 +31,7 @@ from frappy.modules import Drivable, Module, Parameter, Readable, Writable, Comm
 
 class SimBase:
     def __new__(cls, devname, logger, cfgdict, dispatcher):
-        extra_params = cfgdict.pop('extra_params', '')['value']
+        extra_params = cfgdict.pop('extra_params', {'value': ''})['value']
         if isinstance(extra_params, str):
             extra_params = [v.strip() for v in extra_params.split(',')]
         attrs = {}