javascript: added basic examples to mraa

Signed-off-by: Dan Yocom <dan.yocom@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

examples/javascript/GPIO_DigitalRead.js

@@ -0,0 +1,38 @@
+/*
+ * Author: Dan Yocom <dan.yocom@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.
+ */
+
+var m = require('mraa'); //require mraa
+console.log('MRAA Version: ' + m.getVersion()); //write the mraa version to the console
+
+var myDigitalPin = new m.Gpio(6); //setup digital read on pin 6
+myDigitalPin.dir(m.DIR_IN); //set the gpio direction to input
+
+periodicActivity(); //call the periodicActivity function
+
+function periodicActivity() //
+{
+  var myDigitalValue =  myDigitalPin.read(); //read the digital value of the pin
+  console.log('Gpio is ' + myDigitalValue); //write the read value out to the console
+  setTimeout(periodicActivity,1000); //call the indicated function after 1 second (1000 milliseconds)
+}