frappy_psi: two small fixes in k2601b/ppmssim

Change-Id: I5b3a333fd6e79d1f09d540726ce0a91580c63d08
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/30983
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

frappy_psi/k2601b.py

@@ -60,7 +60,7 @@ class SourceMeter(HasIO, Module):
     ioClass = K2601bIO
 
     def read_mode(self):
-        return float(self.communicate('print((smua.source.func+1)*smua.source.output)'))
+        return int(float(self.communicate('print((smua.source.func+1)*smua.source.output)')))
 
     def write_mode(self, value):
         assert self.communicate(SOURCECMDS[value]) == 'ok'

frappy_psi/ppmssim.py

@@ -188,7 +188,7 @@ class PpmsSim:
         else:
             self.status.pos = 5
 
-        self.st = sum(self.status[i] << (i * 4) for i in range(4))
+        self.st = sum((self.status[i] << (i * 4) for i in range(4)))
         self.r1 = self.t * 0.1
         self.i1 = self.t % 10.0
         self.r2 = 1000 / self.t