code: def _setup_adc(self, flags):
          '''Initialize ADC
          '''
          self._intf.write(self._base_addr + self.MAX_1239_ADD, array('B', pack('B', flags))f _setup_adc(self, flags):
          '''Initialize ADC
          '''
          self._intf.write(self._base_addr + self.MAX_1239_ADD, array('B', pack('B', flags)))
docs: Initialize ADC