APA102: Initial implementation

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

src/apa102/javaupm_apa102.i

@@ -0,0 +1,30 @@
+%module javaupm_apa102
+
+%include "../upm.i"
+%include "typemaps.i"
+
+%typemap(jtype) (uint8_t *colors) "byte[]"
+%typemap(jstype) (uint8_t *colors) "byte[]"
+%typemap(jni) (uint8_t *colors) "jbyteArray"
+%typemap(javain) (uint8_t *colors) "$javainput"
+
+%typemap(in) (uint8_t *colors) {
+  $1 = (uint8_t*)JCALL2(GetByteArrayElements, jenv, $input, NULL);
+}
+
+%{
+    #include "apa102.h"
+%}
+
+%include "apa102.h"
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_apa102");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}