p9813: Chainable LEDS

Initial commit of the p9813 chainable LED controller.
Added C, C++, python, java, and node examples.

Signed-off-by: Sergey Kiselev <sergey.kiselev@intel.com>
Signed-off-by: Noel Eck <noel.eck@intel.com>

examples/javascript/p9813.js

@@ -0,0 +1,40 @@
+/*
+* Author: Sergey Kiselev <sergey.kiselev@intel.com>
+* Copyright (c) 2017 Sergey Kiselev
+* Based on the p9813 driver writen by Yannick Adam <yannick.adam@gmail.com>
+*
+* 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 lib = require('jsupm_p9813');
+
+// Instantiate a chain of 2 LEDs using pin 2 for clock and pin 3 for data
+var ledChain = new lib.P9813(2, 2, 3);
+
+// Set all LEDs to blue
+ledChain.setAllLeds(0, 0, 255);
+
+// Set a single led to green
+ledChain.setLed(1, 0, 255, 0);
+
+
+// Exit
+ledChain = null;
+process.exit(0);