APA102: Initial implementation

Signed-off-by: Yannick Adam <yannick.adam@gmail.com>
Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>

src/apa102/jsupm_apa102.i

@@ -0,0 +1,19 @@
+%module jsupm_apa102
+ 
+%include "../upm.i"
+%inline %{
+    #include <node_buffer.h>
+%}
+
+%typemap(in) (uint8_t *colors) {
+  if (!node::Buffer::HasInstance($input)) {
+      SWIG_exception_fail(SWIG_ERROR, "Expected a node Buffer");
+  }
+  $1 = (uint8_t*) node::Buffer::Data($input);
+}
+
+%include "apa102.h" 
+
+%{
+    #include "apa102.h"
+%}