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/c++/CMakeLists.txt

@@ -330,6 +330,7 @@ add_example (rf22-client)
 add_example (mcp2515)
 add_example (max30100)
 add_example (sensortemplate)
+add_example (p9813)
 
 # These are special cases where you specify example binary, source file and module(s)
 include_directories (${PROJECT_SOURCE_DIR}/src)

examples/c++/p9813.cxx

@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+#include "p9813.hpp"
+#include <iostream>
+#include <signal.h>
+#include <unistd.h>
+
+using namespace std;
+
+int
+main(int argc, char** argv)
+{
+    //! [Interesting]
+    // Instantiate a chain of 2 LEDs using pin 2 for clock and pin 3 for data
+    upm::P9813 ledChain(2, 2, 3);
+
+    // Set all LEDs to Red
+    ledChain.setAllLeds(255, 0, 0);
+
+    // Set a single LED to green
+    ledChain.setLed(1, 0, 255, 0);
+
+    //! [Interesting]
+    return 0;
+}