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Diffstat (limited to 'peripheral/libupm/examples/python/mq3.py')
-rw-r--r-- | peripheral/libupm/examples/python/mq3.py | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/peripheral/libupm/examples/python/mq3.py b/peripheral/libupm/examples/python/mq3.py deleted file mode 100644 index c464cfc..0000000 --- a/peripheral/libupm/examples/python/mq3.py +++ /dev/null @@ -1,62 +0,0 @@ -#!/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. - -import time, sys, signal, atexit -import pyupm_gas as upmGas - -# Attach gas sensor to AIO0 -myMQ3 = upmGas.MQ3(0) - - -## Exit handlers ## -# This function stops python from printing a stacktrace when you hit control-C -def SIGINTHandler(signum, frame): - raise SystemExit - -# This function lets you run code on exit, including functions from myMQ3 -def exitHandler(): - print "Exiting" - sys.exit(0) - -# Register exit handlers -atexit.register(exitHandler) -signal.signal(signal.SIGINT, SIGINTHandler) - - -threshContext = upmGas.thresholdContext() -threshContext.averageReading = 0 -threshContext.runningAverage = 0 -threshContext.averagedOver = 2 - -# Infinite loop, ends when script is cancelled -# Repeatedly, take a sample every 2 microseconds; -# find the average of 128 samples; and -# print a running graph of dots as averages -mybuffer = upmGas.uint16Array(128) -while(1): - samplelen = myMQ3.getSampledWindow(2, 128, mybuffer) - if samplelen: - thresh = myMQ3.findThreshold(threshContext, 30, mybuffer, samplelen) - myMQ3.printGraph(threshContext, 5) - if(thresh): - print "Threshold is ", thresh |