upm/examples/python/tcs37727.py

#!/usr/bin/env python
# Author: Norbert Wesp <nwesp@phytec.de>
# Copyright (c) 2017 Phytec Messtechnik GmbH.
#
# based on: tcs3414cs.py
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

from __future__ import print_function
import time, sys, signal, atexit
from upm import pyupm_tcs37727 as TCS37727

def main():
    # Instantiate the color sensor on I2C on bus 1
    mySensor = TCS37727.TCS37727(1)

    ## Exit handlers ##
    # This stops python from printing a stacktrace when you hit control-C
    def SIGINTHandler(signum, frame):
        raise SystemExit

    # This lets you run code on exit,
    # including functions from mySensor
    def exitHandler():
        print("Exiting")
        sys.exit(0)

    # Register exit handlers
    atexit.register(exitHandler)
    signal.signal(signal.SIGINT, SIGINTHandler)

    data = TCS37727.tcs37727_data_t()

    # activate periodic measurements
    mySensor.setActive();

    # Print out the red, green, blue, clear, lux and color-temperature value
    # every 0.5 seconds
    while(1):
        mySensor.getData(data, True)
        print(data.red, data.green, data.blue, data.clear, data.lux, data.ct)

        time.sleep(.5)

if __name__ == '__main__':
    main()