human readable measurements names for HP_34401

1 files changed, 28 insertions, 4 deletions

diff --git a/qolab/hardware/multimeter/hp_34401.py b/qolab/hardware/multimeter/hp_34401.py
index 7e1b1a5..2d9abdd 100644
--- a/qolab/hardware/multimeter/hp_34401.py
+++ b/qolab/hardware/multimeter/hp_34401.py
@@ -22,7 +22,7 @@ class HP_34401(MultimeterSCPI):
         self.switchTime = 0.5 # switch time in seconds for Function/Measurement change 
         self.deviceProperties.update({'Function'})
 
-    Function = SCPI_PROPERTY(scpi_prfx='SENSe:FUNCtion', ptype=str, doc="""
+    rawFunction = SCPI_PROPERTY(scpi_prfx='SENSe:FUNCtion', ptype=str, doc="""
         Current measurement function (Voltmeter DC/AC, Currentmeter DC/AC, etc.
         Important! When assigning, string should be quoted, i.e. use:
             Function=\'"VOLT:DC"\'
@@ -42,6 +42,31 @@ class HP_34401(MultimeterSCPI):
         """
      )
 
+    def getFunction(self):
+        rfunc = self.rawFunction
+        if rfunc == '"VOLT"':
+            return "Vdc"
+        elif rfunc == '"VOLT:AC"':
+            return "Vac"
+        elif rfunc == '"CURR"':
+            return "Adc"
+        elif rfunc == '"CURR:AC"':
+            return "Aac"
+        elif rfunc == '"RES"':
+            return "Resistance"
+        elif rfunc == '"FRES"':
+            return "Resistance4Wires"
+        elif rfunc == '"DIOD"':
+            return "Diode"
+        elif rfunc == '"FREQ"':
+            return "Frequency"
+        elif rfunc == '"PER"':
+            return "Period"
+        elif rfunc == '"CONT"':
+            return "Continuity"
+        else:
+            return "Unknown"
+
     def toRemote(self):
         self.write("SYSTem:REMote")
 
@@ -49,7 +74,7 @@ class HP_34401(MultimeterSCPI):
         self.write("SYSTem:LOCal")
 
     def isSensing(self, test):
-        return test == self.Function
+        return test == self.rawFunction
 
     Reading = SCPI_PROPERTY(scpi_prfx='SYSTem:REMote; :READ', ptype=float, doc='Report current measurement', no_setter=True)
 
@@ -64,8 +89,7 @@ class HP_34401(MultimeterSCPI):
         Note: the function name should be in quotes, i.e. '"Volt"'
         """
         if not self.isSensing(function_internal_name):
-            # print(f"function {self.Function} switching function to {desired_function_string}")
-            self.Function=desired_function_string
+            self.rawFunction=desired_function_string
             time.sleep(self.switchTime)
         # self.toRemote() # this is done inside of Reading
         ret = self.Reading