From 6d6b7bdbc327528d155f0422ef096846559844c0 Mon Sep 17 00:00:00 2001
From: german77 <juangerman-13@hotmail.com>
Date: Thu, 22 Dec 2022 01:07:46 -0600
Subject: input_common: Implement joycon nfc

---
 src/input_common/helpers/joycon_protocol/nfc.h | 61 ++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/input_common/helpers/joycon_protocol/nfc.h

(limited to 'src/input_common/helpers/joycon_protocol/nfc.h')

diff --git a/src/input_common/helpers/joycon_protocol/nfc.h b/src/input_common/helpers/joycon_protocol/nfc.h
new file mode 100644
index 000000000..0ede03d50
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/nfc.h
@@ -0,0 +1,61 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+class NfcProtocol final : private JoyconCommonProtocol {
+public:
+    NfcProtocol(std::shared_ptr<JoyconHandle> handle);
+
+    DriverResult EnableNfc();
+
+    DriverResult DisableNfc();
+
+    DriverResult StartNFCPollingMode();
+
+    DriverResult ScanAmiibo(std::vector<u8>& data);
+
+    bool HasAmiibo();
+
+    bool IsEnabled();
+
+private:
+    struct TagFoundData {
+        u8 type;
+        std::vector<u8> uuid;
+    };
+
+    DriverResult WaitUntilNfcIsReady();
+
+    DriverResult StartPolling(TagFoundData& data);
+
+    DriverResult ReadTag(const TagFoundData& data);
+
+    DriverResult GetAmiiboData(std::vector<u8>& data);
+
+    DriverResult SendStartPollingRequest(std::vector<u8>& output);
+
+    DriverResult SendStopPollingRequest(std::vector<u8>& output);
+
+    DriverResult SendStartWaitingRecieveRequest(std::vector<u8>& output);
+
+    DriverResult SendReadAmiiboRequest(std::vector<u8>& output, std::size_t ntag_pages);
+
+    NFCReadBlockCommand GetReadBlockCommand(std::size_t pages) const;
+
+    bool is_enabled{};
+};
+
+} // namespace InputCommon::Joycon
-- 
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