Add header with digital* APIs compatible with legacy code

TODO: mark as deprecated

Author: facchinm

api/Compat.h

@@ -0,0 +1,16 @@
+#ifndef __COMPAT_H__
+#define __COMPAT_H__
+
+namespace arduino {
+
+inline void pinMode(pin_size_t pinNumber, int mode) {
+	pinMode(pinNumber, (PinMode)mode);
+};
+
+inline void digitalWrite(pin_size_t pinNumber, int status) {
+	digitalWrite(pinNumber, (PinStatus)status);
+};
+
+}
+
+#endif