#!/usr/bin/python

import time #, signal, sys
import traceback
from Adafruit_ADS1x15 import ADS1x15

#def signal_handler(signal, frame):
#        print 'You pressed Ctrl+C!'
#        sys.exit(0)
#signal.signal(signal.SIGINT, signal_handler)

try:
        ADS1015 = 0x00  # 12-bit ADC
        ADS1115 = 0x01  # 16-bit ADC
        adc = ADS1x15(ic=ADS1115)

        # read channel 0 in single-ended mode, +/- 4.096V, 250 sps:
        volts = adc.readADCSingleEnded(0, 4096, 250) / 1000

        print "%.6f" % (volts)
except:
         print "*** ERROR ***"
         print repr(traceback.format_exception(exc_type, exc_value,
                                          exc_traceback))