[NFC] Tag events

include/services/nfc.hpp

@@ -4,16 +4,25 @@
 #include "logger.hpp"
 #include "memory.hpp"
 
+// You know the drill
+class Kernel;
+
 class NFCService {
 	Handle handle = KernelHandles::NFC;
 	Memory& mem;
+	Kernel& kernel;
 	MAKE_LOG_FUNCTION(log, nfcLogger)
 
+	// Kernel events signaled when an NFC tag goes in and out of range respectively
+	std::optional<Handle> tagInRangeEvent, tagOutOfRangeEvent;
+
 	// Service commands
 	void initialize(u32 messagePointer);
+	void getTagInRangeEvent(u32 messagePointer);
+	void getTagOutOfRangeEvent(u32 messagePointer);
 
 public:
-	NFCService(Memory& mem) : mem(mem) {}
+	NFCService(Memory& mem, Kernel& kernel) : mem(mem), kernel(kernel) {}
 	void reset();
 	void handleSyncRequest(u32 messagePointer);
 };