upm/examples/python/groverotary.py

from __future__ import print_function
# Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
# Copyright (c) 2014 Intel Corporation.
#
# 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 time import sleep
from upm import pyupm_grove as grove

def main():
    # New knob on AIO pin 0
    knob = grove.GroveRotary(0)

    # Loop indefinitely
    while True:
        # Read values
        abs = knob.abs_value()
        absdeg = knob.abs_deg()
        absrad = knob.abs_rad()

        rel = knob.rel_value()
        reldeg = knob.rel_deg()
        relrad = knob.rel_rad()

        print("Abs values: %4d" % int(abs) , " raw %4d" % int(absdeg), "deg = %5.2f" % absrad , " rad ", end=' ')
        print("Rel values: %4d" % int(rel) , " raw %4d" % int(reldeg), "deg = %5.2f" % relrad , " rad")

        # Sleep for 2.5 s
        sleep(2.5)

if __name__ == '__main__':
    main()