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Diffstat (limited to 'peripheral/libupm/examples/javascript/mq7.js')
-rw-r--r-- | peripheral/libupm/examples/javascript/mq7.js | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/peripheral/libupm/examples/javascript/mq7.js b/peripheral/libupm/examples/javascript/mq7.js deleted file mode 100644 index 6d305b1..0000000 --- a/peripheral/libupm/examples/javascript/mq7.js +++ /dev/null @@ -1,60 +0,0 @@ -/*jslint node:true, vars:true, bitwise:true, unparam:true */ -/*jshint unused:true */ -/* - * Author: Jon Trulson <jtrulson@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. - */ - -var upmGAS = require("jsupm_gas"); - -// Attach gas sensor to Analog A0 -var sensor = new upmGAS.MQ7(0); - -var threshContext = new 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 asteriskss as averages - -while(1) -{ - var buffer = new upmGAS.uint16Array(128); - var len = sensor.getSampledWindow(2, 128, buffer); - if (len) - { - var thresh = sensor.findThreshold(threshContext, 30, buffer, len); - sensor.printGraph(threshContext, 5); - //if (thresh) - // console.log("Threshold is " + thresh); - } -} - -// Print message when exiting -process.on('SIGINT', function() -{ - console.log("Exiting..."); - process.exit(0); -}); |