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// 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:
explicit NfcProtocol(std::shared_ptr<JoyconHandle> handle);
DriverResult EnableNfc();
DriverResult DisableNfc();
DriverResult StartNFCPollingMode();
DriverResult StopNFCPollingMode();
DriverResult GetTagInfo(Joycon::TagInfo& tag_info);
DriverResult ReadAmiibo(std::vector<u8>& data);
DriverResult WriteAmiibo(std::span<const u8> data);
DriverResult ReadMifare(std::span<const MifareReadChunk> read_request,
std::span<MifareReadData> out_data);
DriverResult WriteMifare(std::span<const MifareWriteChunk> write_request);
bool HasAmiibo();
bool IsEnabled() const;
bool IsPolling() const;
private:
// Number of times the function will be delayed until it outputs valid data
static constexpr std::size_t AMIIBO_UPDATE_DELAY = 15;
struct TagFoundData {
u8 type;
u8 uuid_size;
TagUUID uuid;
};
DriverResult WaitUntilNfcIs(NFCStatus status);
DriverResult IsTagInRange(TagFoundData& data, std::size_t timeout_limit = 1);
DriverResult GetAmiiboData(std::vector<u8>& data);
DriverResult WriteAmiiboData(const TagUUID& tag_uuid, std::span<const u8> data);
DriverResult GetMifareData(const MifareUUID& tag_uuid,
std::span<const MifareReadChunk> read_request,
std::span<MifareReadData> out_data);
DriverResult WriteMifareData(const MifareUUID& tag_uuid,
std::span<const MifareWriteChunk> write_request);
DriverResult SendStartPollingRequest(MCUCommandResponse& output,
bool is_second_attempt = false);
DriverResult SendStopPollingRequest(MCUCommandResponse& output);
DriverResult SendNextPackageRequest(MCUCommandResponse& output, u8 packet_id);
DriverResult SendReadAmiiboRequest(MCUCommandResponse& output, NFCPages ntag_pages);
DriverResult SendWriteAmiiboRequest(MCUCommandResponse& output, const TagUUID& tag_uuid);
DriverResult SendWriteDataAmiiboRequest(MCUCommandResponse& output, u8 block_id,
bool is_last_packet, std::span<const u8> data);
DriverResult SendReadDataMifareRequest(MCUCommandResponse& output, u8 block_id,
bool is_last_packet, std::span<const u8> data);
std::vector<u8> SerializeWritePackage(const NFCWritePackage& package) const;
std::vector<u8> SerializeMifareReadPackage(const MifareReadPackage& package) const;
std::vector<u8> SerializeMifareWritePackage(const MifareWritePackage& package) const;
NFCWritePackage MakeAmiiboWritePackage(const TagUUID& tag_uuid, std::span<const u8> data) const;
NFCDataChunk MakeAmiiboChunk(u8 page, u8 size, std::span<const u8> data) const;
MifareReadPackage MakeMifareReadPackage(const MifareUUID& tag_uuid,
std::span<const MifareReadChunk> read_request) const;
MifareWritePackage MakeMifareWritePackage(const MifareUUID& tag_uuid,
std::span<const MifareWriteChunk> read_request) const;
NFCReadBlockCommand GetReadBlockCommand(NFCPages pages) const;
TagUUID GetTagUUID(std::span<const u8> data) const;
bool is_enabled{};
bool is_polling{};
std::size_t update_counter{};
};
} // namespace InputCommon::Joycon
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