pn532: initial implementation

This driver was written using an Adafruit PN532 board:

http://www.adafruit.com/products/364

It is based heavily on their arduino code, with significant
modifications.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

src/pn532/pyupm_pn532.i

@@ -0,0 +1,22 @@
+%module pyupm_pn532
+%include "../upm.i"
+%include "../carrays_uint8_t.i"
+
+// Adding this typemap because SWIG is converting uint8, uint16, and uint32 into a short by default
+// This forces SWIG to convert it correctly
+%typemap(in) uint8_t * {
+  void *argp = 0 ;
+  int res = SWIG_ConvertPtr($input, &argp, SWIGTYPE_p_uint8Array, 0 |  0 );
+  $1 = reinterpret_cast< uint8_t * >(argp);
+}
+
+%feature("autodoc", "3");
+
+#ifdef DOXYGEN
+%include "pn532_doc.i"
+#endif
+
+%include "pn532.h"
+%{
+    #include "pn532.h"
+%}