Adds logging message for current

hardware/abstract_hardware.py

@@ -48,7 +48,7 @@ class TxAbstract(ABC):
     @property
     @abstractmethod
     def current(self):
-        # add actions to read the DPS current and return it
+        # add actions to read the TX current and return it
         return None
 
     @current.setter

hardware/mb_2024_rev_0_0.py

@@ -139,7 +139,7 @@ class Tx(TxAbstract):
     def current(self):
         """ Gets the current IAB in Amps
         """
-        return AnalogIn(self._ads_current, ads.P0).voltage * 1000. / (50 * TX_CONFIG['R_shunt'])  # noqa measure current
+        return AnalogIn(self._ads_current, ads.P0).voltage * 1000. / (50 * TX_CONFIG['r_shunt'])  # noqa measure current
 
     @ current.setter
     def current(self, value):

hardware/ohmpi_card_3_15.py

@@ -125,7 +125,9 @@ class Tx(TxAbstract):
     def current(self):
         """ Gets the current IAB in Amps
         """
-        return AnalogIn(self._ads_current, ads.P0).voltage * 1000. / (50 * TX_CONFIG['r_shunt'])  # noqa measure current
+        iab = AnalogIn(self._ads_current, ads.P0).voltage * 1000. / (50 * TX_CONFIG['r_shunt'])  # measure current
+        self.exec_logger.debug(f'Reading TX current:  {iab} mA')
+        return iab
 
     @ current.setter
     def current(self, value):
@@ -138,7 +140,7 @@ class Tx(TxAbstract):
 
     @property
     def polarity(self):
-        return TxAbstract.polarity.gset(self)
+        return TxAbstract.polarity.fget(self)
 
     @polarity.setter
     def polarity(self, value):