code: def updateDeviceStatus(self, deviceName, state, reason=None):
          
          logger.info('Updating recording device state for ' + deviceName + ' to ' + state.name +
                      ('' if reason is None else '[reason: ' + reason + ']'))
          currentState = self.recordingDevices.get(deviceName)
          count = 0
          if currentState is not None:
              if currentState['state'] == MeasurementStatus.RECORDING.name:
                  count = currentState['count']
          self.recordingDevices[deviceName] = {
              'state': state.name,
              'reason': reason,
              'time': datetime.datetime.utcnow().strftime(DATETIME_FORMAT),
              'count': count
          }
docs: Updates the current device status.
          :param deviceName: the device name.
          :param state: the state.
          :param reason: the reason for the change.
          :return: