Correction of the continuous mode, for a good measurement.

ohmpi.py

@@ -33,6 +33,7 @@ try:
     import adafruit_tca9548a  # noqa
     import adafruit_ads1x15.ads1115 as ads  # noqa
     from adafruit_ads1x15.analog_in import AnalogIn  # noqa
+    from adafruit_ads1x15.ads1x15 import Mode
     from adafruit_mcp230xx.mcp23008 import MCP23008  # noqa
     from adafruit_mcp230xx.mcp23017 import MCP23017  # noqa
     import digitalio  # noqa
@@ -886,11 +887,13 @@ class OhmPi(object):
                 polarity = 1
                 Rab = None
 
-            # first reset the gain to 2/3 before trying to find best gain (mode 0 is continuous)
+            # first reset the gain to 2/3 before trying to find best gain 
             self.ads_current = ads.ADS1115(self.i2c, gain=2 / 3, data_rate=860,
-                                           address=self.ads_current_address, mode=0)
+                                           address=self.ads_current_address)
+            self.ads_current.mode= Mode.CONTINUOUS                               
             self.ads_voltage = ads.ADS1115(self.i2c, gain=2 / 3, data_rate=860,
-                                           address=self.ads_voltage_address, mode=0)
+                                           address=self.ads_voltage_address)
+            self.ads_voltage.mode= Mode.CONTINUOUS                               
             # turn on the power supply
             start_delay = None
             end_delay = None
@@ -907,7 +910,8 @@ class OhmPi(object):
             if not out_of_range:  # we found a Vab in the range so we measure
                 gain = 2 / 3
                 self.ads_voltage = ads.ADS1115(self.i2c, gain=gain, data_rate=860,
-                                               address=self.ads_voltage_address, mode=0)
+                                               address=self.ads_voltage_address)
+                self.ads_voltage.mode= Mode.CONTINUOUS
                 if autogain:
                     # compute autogain
                     gain_voltage = []
@@ -950,7 +954,8 @@ class OhmPi(object):
                     self.exec_logger.debug(f'Gain current: {gain_current:.3f}, gain voltage: {gain_voltage[0]:.3f}, '
                                            f'{gain_voltage[1]:.3f}')
                     self.ads_current = ads.ADS1115(self.i2c, gain=gain_current, data_rate=860,
-                                                address=self.ads_current_address, mode=0)
+                                                address=self.ads_current_address)
+                    self.ads_current.mode= Mode.CONTINUOUS
 
                 self.pin0.value = False
                 self.pin1.value = False
@@ -977,13 +982,15 @@ class OhmPi(object):
                         self.pin1.value = False
                         if autogain: # select gain computed on first half cycle
                             self.ads_voltage = ads.ADS1115(self.i2c, gain=np.min(gain_voltage), data_rate=860,
-                                                           address=self.ads_voltage_address, mode=0)
+                                                           address=self.ads_voltage_address)
+                            self.ads_current.mode= Mode.CONTINUOUS
                     else:
                         self.pin0.value = False
                         self.pin1.value = True  # current injection nr2
                         if autogain: # select gain computed on first half cycle
                             self.ads_voltage = ads.ADS1115(self.i2c, gain=np.min(gain_voltage),data_rate=860,
-                                                           address=self.ads_voltage_address, mode=0)
+                                                           address=self.ads_voltage_address)
+                            self.ads_current.mode= Mode.CONTINUOUS
                     self.exec_logger.debug(f'Stack {n} {self.pin0.value} {self.pin1.value}')
                     if self.board_version == 'mb.2023.0.0':
                         self.pin6.value = True  # IHM current injection led on