exporting missing WPI_MODE_ constants

exporting WPI_MODE_GPIO_SYS, WPI_MODE_PIFACE & WPI_MODE_UNINITIALISED

Author: NoHomey

src/wiringPi.cc

@@ -710,10 +710,14 @@ IMPLEMENT_EXPORT_INIT(wiringPi) {
   EXPORT_FUNCTION(pwmSetClock);
   EXPORT_FUNCTION(gpioClockSet);
 
-  // pinModeAlt
+  // WPI_MODEs
   EXPORT_CONSTANT_INT(WPI_MODE_PINS);
   EXPORT_CONSTANT_INT(WPI_MODE_PHYS);
   EXPORT_CONSTANT_INT(WPI_MODE_GPIO);
+  EXPORT_CONSTANT_INT(WPI_MODE_GPIO_SYS);
+  EXPORT_CONSTANT_INT(WPI_MODE_PIFACE);
+  EXPORT_CONSTANT_INT(WPI_MODE_UNINITIALISED);
+  
 
   // pinMode
   EXPORT_CONSTANT_INT(INPUT);
@@ -736,6 +740,7 @@ IMPLEMENT_EXPORT_INIT(wiringPi) {
   EXPORT_CONSTANT_INT(PWM_MODE_BAL);
   EXPORT_CONSTANT_INT(PWM_MODE_MS);
 
+  // piBoardId
   EXPORT_CONSTANT_INT(PI_MODEL_UNKNOWN);
   EXPORT_CONSTANT_INT(PI_MODEL_A);
   EXPORT_CONSTANT_INT(PI_MODEL_B);
@@ -760,6 +765,7 @@ IMPLEMENT_EXPORT_INIT(wiringPi) {
   EXPORT_CONSTANT_STRING_ARRAY(PI_REVISION_NAMES, piRevisionNames, 5);
   EXPORT_CONSTANT_STRING_ARRAY(PI_MAKER_NAMES, piMakerNames, 5);
 
+  // pinModeAlt
   EXPORT_CONSTANT_INT(FSEL_INPT);
   EXPORT_CONSTANT_INT(FSEL_OUTP);
   EXPORT_CONSTANT_INT(FSEL_ALT0);