unify name and module on Attached property

- setting the attribute using the name of an attached module
- getting the attribute results in the module object

+ change names iodev to io, iodevClass to ioClass,
  sendRecv to communicate, HasIodev to HasIO

Change-Id: I200b63a5a7dc1453bf6ac998782b065645201900
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/27575
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

cfg/ppms.cfg

@@ -8,117 +8,117 @@ uri = tcp://5000
 [tt]
 class = secop_psi.ppms.Temp
 description = main temperature
-iodev = ppms
+io = ppms
 
 [mf]
 class = secop_psi.ppms.Field
 target.min = -9
 target.max = 9
-.description = magnetic field
-.iodev = ppms
+description = magnetic field
+io = ppms
 
 [pos]
 class = secop_psi.ppms.Position
-.description = sample rotator
-.iodev = ppms
+description = sample rotator
+io = ppms
 
 [lev]
 class = secop_psi.ppms.Level
-.description = helium level
-.iodev = ppms
+description = helium level
+io = ppms
 
 [chamber]
 class = secop_psi.ppms.Chamber
-.description = chamber state
-.iodev = ppms
+description = chamber state
+io = ppms
 
 [r1]
 class = secop_psi.ppms.BridgeChannel
-.description = resistivity channel 1
-.no = 1
+description = resistivity channel 1
+no = 1
 value.unit = Ohm
-.iodev = ppms
+io = ppms
 
 [r2]
 class = secop_psi.ppms.BridgeChannel
-.description = resistivity channel 2
-.no = 2
+description = resistivity channel 2
+no = 2
 value.unit = Ohm
-.iodev = ppms
+io = ppms
 
 [r3]
 class = secop_psi.ppms.BridgeChannel
-.description = resistivity channel 3
-.no = 3
+description = resistivity channel 3
+no = 3
 value.unit = Ohm
-.iodev = ppms
+io = ppms
 
 [r4]
 class = secop_psi.ppms.BridgeChannel
-.description = resistivity channel 4
-.no = 4
+description = resistivity channel 4
+no = 4
 value.unit = Ohm
-.iodev = ppms
+io = ppms
 
 [i1]
 class = secop_psi.ppms.Channel
-.description = current channel 1
-.no = 1
+description = current channel 1
+no = 1
 value.unit = uA
-.iodev = ppms
+io = ppms
 
 [i2]
 class = secop_psi.ppms.Channel
-.description = current channel 2
-.no = 2
+description = current channel 2
+no = 2
 value.unit = uA
-.iodev = ppms
+io = ppms
 
 [i3]
 class = secop_psi.ppms.Channel
-.description = current channel 3
-.no = 3
+description = current channel 3
+no = 3
 value.unit = uA
-.iodev = ppms
+io = ppms
 
 [i4]
 class = secop_psi.ppms.Channel
-.description = current channel 4
-.no = 4
+description = current channel 4
+no = 4
 value.unit = uA
-.iodev = ppms
+io = ppms
 
 [v1]
 class = secop_psi.ppms.DriverChannel
-.description = voltage channel 1
-.no = 1
+description = voltage channel 1
+no = 1
 value.unit = V
-.iodev = ppms
+io = ppms
 
 [v2]
 class = secop_psi.ppms.DriverChannel
-.description = voltage channel 2
-.no = 2
+description = voltage channel 2
+no = 2
 value.unit = V
-.iodev = ppms
+io = ppms
 
 [tv]
 class = secop_psi.ppms.UserChannel
-.description = VTI temperature
+description = VTI temperature
 enabled = 1
 value.unit = K
-.iodev = ppms
+io = ppms
 
 [ts]
 class = secop_psi.ppms.UserChannel
-.description = sample temperature
+description = sample temperature
 enabled = 1
 value.unit = K
-.iodev = ppms
+io = ppms
 
 [ppms]
 class = secop_psi.ppms.Main
-.description = the main and poller module
-.class_id = QD.MULTIVU.PPMS.1
-.visibility = 3
+description = the main and poller module
+class_id = QD.MULTIVU.PPMS.1
+visibility = 3
 pollinterval = 2