examples/light.py

   1 #!/usr/bin/env python3
   2
   3 import time
   4 import logging
   5 try:
   6     # Transitional fix for breaking change in LTR559
   7     from ltr559 import LTR559
   8     ltr559 = LTR559()
   9 except ImportError:
  10     import ltr559
  11
  12
  13 logging.basicConfig(
  14     format='%(asctime)s.%(msecs)03d %(levelname)-8s %(message)s',
  15     level=logging.INFO,
  16     datefmt='%Y-%m-%d %H:%M:%S')
  17
  18 logging.info("""light.py - Print readings from the LTR559 Light & Proximity sensor.
  19
  20 Press Ctrl+C to exit!
  21
  22 """)
  23
  24 try:
  25     while True:
  26         lux = ltr559.get_lux()
  27         prox = ltr559.get_proximity()
  28         logging.info("""Light: {:05.02f} Lux
  29 Proximity: {:05.02f}
  30 """.format(lux, prox))
  31         time.sleep(1.0)
  32 except KeyboardInterrupt:
  33     pass