From 00e553a120f98a8781f9e8b7e54892d8cf239a6e Mon Sep 17 00:00:00 2001
From: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>
Date: Sat, 26 Aug 2023 18:52:41 +0300
Subject: [PATCH] [NFC] Add more functions

---
 include/services/nfc.hpp  |  2 ++
 src/core/services/nfc.cpp | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/include/services/nfc.hpp b/include/services/nfc.hpp
index ed4a8565..e65c42c1 100644
--- a/include/services/nfc.hpp
+++ b/include/services/nfc.hpp
@@ -44,7 +44,9 @@ class NFCService {
 	void getTagInRangeEvent(u32 messagePointer);
 	void getTagOutOfRangeEvent(u32 messagePointer);
 	void getTagState(u32 messagePointer);
+	void shutdown(u32 messagePointer);
 	void startCommunication(u32 messagePointer);
+	void startTagScanning(u32 messagePointer);
 	void stopCommunication(u32 messagePointer);
 
 public:
diff --git a/src/core/services/nfc.cpp b/src/core/services/nfc.cpp
index eadb1b92..b1e04ab2 100644
--- a/src/core/services/nfc.cpp
+++ b/src/core/services/nfc.cpp
@@ -5,8 +5,10 @@
 namespace NFCCommands {
 	enum : u32 {
 		Initialize = 0x00010040,
+		Shutdown = 0x00020040,
 		StartCommunication = 0x00030000,
 		StopCommunication = 0x00040000,
+		StartTagScanning = 0x00050040,
 		GetTagInRangeEvent = 0x000B0000,
 		GetTagOutOfRangeEvent = 0x000C0000,
 		GetTagState = 0x000D0000,
@@ -32,7 +34,9 @@ void NFCService::handleSyncRequest(u32 messagePointer) {
 		case NFCCommands::GetTagInRangeEvent: getTagInRangeEvent(messagePointer); break;
 		case NFCCommands::GetTagOutOfRangeEvent: getTagOutOfRangeEvent(messagePointer); break;
 		case NFCCommands::GetTagState: getTagState(messagePointer); break;
+		case NFCCommands::Shutdown: shutdown(messagePointer); break;
 		case NFCCommands::StartCommunication: startCommunication(messagePointer); break;
+		case NFCCommands::StartTagScanning: startTagScanning(messagePointer); break;
 		case NFCCommands::StopCommunication: stopCommunication(messagePointer); break;
 		default: Helpers::panic("NFC service requested. Command: %08X\n", command);
 	}
@@ -50,6 +54,16 @@ void NFCService::initialize(u32 messagePointer) {
 	mem.write32(messagePointer + 4, Result::Success);
 }
 
+void NFCService::shutdown(u32 messagePointer) {
+	log("MFC::Shutdown");
+	const u8 mode = mem.read8(messagePointer + 4);
+
+	Helpers::warn("NFC::Shutdown: Unimplemented mode: %d", mode);
+
+	mem.write32(messagePointer, IPC::responseHeader(0x2, 1, 0));
+	mem.write32(messagePointer + 4, Result::Success);
+}
+
 /*
 	The NFC service provides userland with 2 events. One that is signaled when an NFC tag gets in range,
 	And one that is signaled when it gets out of range. Userland can have a thread sleep on this so it will be alerted
@@ -114,6 +128,14 @@ void NFCService::startCommunication(u32 messagePointer) {
 	mem.write32(messagePointer + 4, Result::Success);
 }
 
+void NFCService::startTagScanning(u32 messagePointer) {
+	log("NFC::StartTagScanning\n");
+	tagStatus = TagStatus::Scanning;
+
+	mem.write32(messagePointer, IPC::responseHeader(0x5, 1, 0));
+	mem.write32(messagePointer + 4, Result::Success);
+}
+
 void NFCService::stopCommunication(u32 messagePointer) {
 	log("NFC::StopCommunication\n");
 	adapterStatus = Old3DSAdapterStatus::InitializationComplete;