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Diffstat (limited to '')
-rw-r--r-- | src/input_common/helpers/joycon_protocol/nfc.h | 114 |
1 files changed, 114 insertions, 0 deletions
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..0be95e40e --- /dev/null +++ b/src/input_common/helpers/joycon_protocol/nfc.h @@ -0,0 +1,114 @@ +// 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 |