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groveehr: python example and js modification for groveehr heart-rate sensor

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Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Zion Orent
2015-03-27 10:07:29 -04:00
committed by Mihai Tudor Panu
parent 4f53c9c43a
commit 8c55b54969
2 changed files with 81 additions and 9 deletions
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22
examples/javascript/groveehr.js
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@ -1,6 +1,5 @@
/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*global */
/*
* Author: Zion Orent <zorent@ics.com>
* Copyright (c) 2014 Intel Corporation.
@ -35,26 +34,31 @@ myHeartRateSensor.clearBeatCounter();
myHeartRateSensor.initClock();
myHeartRateSensor.startBeatCounter();
setInterval(readHeartRate, 1000);
function readHeartRate()
var millis, beats, hr;
var myInterval = setInterval(function()
{
// we grab these just for display purposes in this example
var millis = myHeartRateSensor.getMillis();
var beats = myHeartRateSensor.beatCounter();
millis = myHeartRateSensor.getMillis();
beats = myHeartRateSensor.beatCounter();
// heartRate() requires that at least 5 seconds pass before
// returning anything other than 0
var hr = myHeartRateSensor.heartRate();
hr = myHeartRateSensor.heartRate();
// output milliseconds passed, beat count, and computed heart rate
console.log("Millis: " + millis + " Beats: " + beats +
" Heart Rate: " + hr);
}
}, 1000);
// Print message when exiting
process.on('SIGINT', function()
{
console.log("Exiting...");
clearInterval(myInterval);
myHeartRateSensor.stopBeatCounter();
myHeartRateSensor = null
heartRateSensor.cleanUp();
heartRateSensor = null;
console.log("Exiting");
process.exit(0);
});