upm/examples/python/isd1820.py

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#!/usr/bin/python
# Author: Zion Orent <zorent@ics.com>
# Copyright (c) 2015 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 __future__ import print_function
import time, sys, atexit
from upm import pyupm_isd1820 as upmIsd1820
def main():
# Instantiate a ISD1820 on digital pins 2 (play) and 3 (record)
# This example was tested on the Grove Recorder.
myRecorder = upmIsd1820.ISD1820(2, 3)
doRecord = False
if len(sys.argv) > 1:
doRecord = True
# This lets you run code on exit,
# including functions from myRecorder
def exitHandler():
# turn off whatever we were doing.
if (doRecord):
myRecorder.record(False)
else:
myRecorder.play(False)
print("Exiting")
sys.exit(0)
# Register exit handlers
atexit.register(exitHandler)
# if an argument was specified (any argument), go into record mode,
# else playback a previously recorded sample
print("Supply any argument to the command line to record.")
print("Running this example without arguments will play back any ")
print("previously recorded sound.")
print("There is approximately 10 seconds of recording time.\n")
# depending on what was selected, do it, and sleep for 15 seconds
if (doRecord):
myRecorder.record(True)
else:
myRecorder.play(True)
# There are about 10 seconds of recording/playback time, so we will
# sleep for a little extra time.
print("Sleeping for 15 seconds...")
time.sleep(15)
# exitHandler runs automatically
if __name__ == '__main__':
main()