[WIP] fixes for linse-fi

Change-Id: Iac28e9654a764331cd903896879834cd6127a919

frappy_psi/furnace.py

@@ -17,12 +17,16 @@
 #   Markus Zolliker <markus.zolliker@psi.ch>
 # *****************************************************************************
 
-"""interlocks for furnance"""
+"""interlocks for furnace"""
 
 import time
 from frappy.core import Module, Writable, Attached, Parameter, FloatRange, Readable,\
      BoolType, ERROR, IDLE
+from frappy.mixins import HasControlledBy
 from frappy_psi.picontrol import PImixin
+from frappy_psi.convergence import HasConvergence
+import frappy_psi.tdkpower as tdkpower
+import frappy_psi.bkpower as bkpower
 
 
 class Interlocks(Module):
@@ -76,8 +80,8 @@ class Interlocks(Module):
         self.relais.write_target(False)
 
 
-class PI(PImixin, Writable):
-    input = Attached(Readable, 'the input module')
+class PI(HasConvergence, PImixin):
+    input_module = Attached(Readable, 'the input module')
     relais = Attached(Writable, 'the interlock relais', mandatory=False)
 
     def read_value(self):
@@ -87,3 +91,11 @@ class PI(PImixin, Writable):
         super().write_target(value)
         if self.relais:
             self.relais.write_target(1)
+
+
+class TdkOutput(HasControlledBy, tdkpower.Output):
+    pass
+
+
+class BkOutput(HasControlledBy, bkpower.Output):
+    pass