add a lot of current stuff

this is not (yet) in the frm2 repo

Change-Id: Ia5b2996803c3dbb15b85ab1bc3a24717ac6297fb

secop_psi/ls370res.py

@@ -27,6 +27,7 @@ from secop.metaclass import Done
 from secop.datatypes import FloatRange, IntRange, EnumType, BoolType
 from secop.stringio import HasIodev
 from secop.poller import Poller, REGULAR
+from secop.lib import formatStatusBits
 import secop.iohandler
 
 Status = Drivable.Status
@@ -49,10 +50,7 @@ filterhdl = IOHandler('filter', 'FILTER?%(channel)d', '%d,%d,%d')
 scan = IOHandler('scan', 'SCAN?', '%d,%d')
 
 
-STATUS_TEXT = {0: ''}
-for bit, text in enumerate('CS_OVL VCM_OVL VMIX_OVL VDIF_OVL R_OVER R_UNDER T_OVER T_UNDER'.split()):
-    for i in range(1 << bit, 2 << bit):
-        STATUS_TEXT[i] = text
+STATUS_BIT_LABELS = 'CS_OVL VCM_OVL VMIX_OVL VDIF_OVL R_OVER R_UNDER T_OVER T_UNDER'.split()
 
 
 class StringIO(secop.stringio.StringIO):
@@ -183,7 +181,7 @@ class ResChannel(HasIodev, Readable):
             return Done
         result = int(self.sendRecv('RDGST?%d' % self.channel))
         result &= 0x37  # mask T_OVER and T_UNDER (change this when implementing temperatures instead of resistivities)
-        statustext = STATUS_TEXT[result]
+        statustext = ' '.join(formatStatusBits(result, STATUS_BIT_LABELS))
         if statustext:
             return [self.Status.ERROR, statustext]
         return [self.Status.IDLE, '']