diff options
Diffstat (limited to 'src/input_common/helpers/joycon_protocol/nfc.cpp')
| -rw-r--r-- | src/input_common/helpers/joycon_protocol/nfc.cpp | 390 |
1 files changed, 383 insertions, 7 deletions
diff --git a/src/input_common/helpers/joycon_protocol/nfc.cpp b/src/input_common/helpers/joycon_protocol/nfc.cpp index f7058c4a7..261f46255 100644 --- a/src/input_common/helpers/joycon_protocol/nfc.cpp +++ b/src/input_common/helpers/joycon_protocol/nfc.cpp @@ -40,6 +40,16 @@ DriverResult NfcProtocol::EnableNfc() { if (result == DriverResult::Success) { result = WaitUntilNfcIs(NFCStatus::Ready); } + if (result == DriverResult::Success) { + MCUCommandResponse output{}; + result = SendStopPollingRequest(output); + } + if (result == DriverResult::Success) { + result = WaitUntilNfcIs(NFCStatus::Ready); + } + if (result == DriverResult::Success) { + is_enabled = true; + } return result; } @@ -54,37 +64,50 @@ DriverResult NfcProtocol::DisableNfc() { } is_enabled = false; + is_polling = false; return result; } DriverResult NfcProtocol::StartNFCPollingMode() { - LOG_DEBUG(Input, "Start NFC pooling Mode"); + LOG_DEBUG(Input, "Start NFC polling Mode"); ScopedSetBlocking sb(this); DriverResult result{DriverResult::Success}; if (result == DriverResult::Success) { MCUCommandResponse output{}; - result = SendStopPollingRequest(output); + result = SendStartPollingRequest(output); } if (result == DriverResult::Success) { - result = WaitUntilNfcIs(NFCStatus::Ready); + result = WaitUntilNfcIs(NFCStatus::Polling); } if (result == DriverResult::Success) { + is_polling = true; + } + + return result; +} + +DriverResult NfcProtocol::StopNFCPollingMode() { + LOG_DEBUG(Input, "Stop NFC polling Mode"); + ScopedSetBlocking sb(this); + DriverResult result{DriverResult::Success}; + + if (result == DriverResult::Success) { MCUCommandResponse output{}; - result = SendStartPollingRequest(output); + result = SendStopPollingRequest(output); } if (result == DriverResult::Success) { - result = WaitUntilNfcIs(NFCStatus::Polling); + result = WaitUntilNfcIs(NFCStatus::WriteReady); } if (result == DriverResult::Success) { - is_enabled = true; + is_polling = false; } return result; } -DriverResult NfcProtocol::ScanAmiibo(std::vector<u8>& data) { +DriverResult NfcProtocol::GetTagInfo(Joycon::TagInfo& tag_info) { if (update_counter++ < AMIIBO_UPDATE_DELAY) { return DriverResult::Delayed; } @@ -100,11 +123,41 @@ DriverResult NfcProtocol::ScanAmiibo(std::vector<u8>& data) { } if (result == DriverResult::Success) { + tag_info = { + .uuid_length = tag_data.uuid_size, + .protocol = 1, + .tag_type = tag_data.type, + .uuid = {}, + }; + + memcpy(tag_info.uuid.data(), tag_data.uuid.data(), tag_data.uuid_size); + + // Investigate why mifare type is not correct + if (tag_info.tag_type == 144) { + tag_info.tag_type = 1U << 6; + } + std::string uuid_string; for (auto& content : tag_data.uuid) { uuid_string += fmt::format(" {:02x}", content); } LOG_INFO(Input, "Tag detected, type={}, uuid={}", tag_data.type, uuid_string); + } + + return result; +} + +DriverResult NfcProtocol::ReadAmiibo(std::vector<u8>& data) { + LOG_DEBUG(Input, "Scan for amiibos"); + ScopedSetBlocking sb(this); + DriverResult result{DriverResult::Success}; + TagFoundData tag_data{}; + + if (result == DriverResult::Success) { + result = IsTagInRange(tag_data, 7); + } + + if (result == DriverResult::Success) { result = GetAmiiboData(data); } @@ -154,6 +207,69 @@ DriverResult NfcProtocol::WriteAmiibo(std::span<const u8> data) { return result; } +DriverResult NfcProtocol::ReadMifare(std::span<const MifareReadChunk> read_request, + std::span<MifareReadData> out_data) { + LOG_DEBUG(Input, "Read mifare"); + ScopedSetBlocking sb(this); + DriverResult result{DriverResult::Success}; + TagFoundData tag_data{}; + MifareUUID tag_uuid{}; + + if (result == DriverResult::Success) { + result = IsTagInRange(tag_data, 7); + } + if (result == DriverResult::Success) { + memcpy(tag_uuid.data(), tag_data.uuid.data(), sizeof(MifareUUID)); + result = GetMifareData(tag_uuid, read_request, out_data); + } + if (result == DriverResult::Success) { + MCUCommandResponse output{}; + result = SendStopPollingRequest(output); + } + if (result == DriverResult::Success) { + result = WaitUntilNfcIs(NFCStatus::Ready); + } + if (result == DriverResult::Success) { + MCUCommandResponse output{}; + result = SendStartPollingRequest(output, true); + } + if (result == DriverResult::Success) { + result = WaitUntilNfcIs(NFCStatus::WriteReady); + } + return result; +} + +DriverResult NfcProtocol::WriteMifare(std::span<const MifareWriteChunk> write_request) { + LOG_DEBUG(Input, "Write mifare"); + ScopedSetBlocking sb(this); + DriverResult result{DriverResult::Success}; + TagFoundData tag_data{}; + MifareUUID tag_uuid{}; + + if (result == DriverResult::Success) { + result = IsTagInRange(tag_data, 7); + } + if (result == DriverResult::Success) { + memcpy(tag_uuid.data(), tag_data.uuid.data(), sizeof(MifareUUID)); + result = WriteMifareData(tag_uuid, write_request); + } + if (result == DriverResult::Success) { + MCUCommandResponse output{}; + result = SendStopPollingRequest(output); + } + if (result == DriverResult::Success) { + result = WaitUntilNfcIs(NFCStatus::Ready); + } + if (result == DriverResult::Success) { + MCUCommandResponse output{}; + result = SendStartPollingRequest(output, true); + } + if (result == DriverResult::Success) { + result = WaitUntilNfcIs(NFCStatus::WriteReady); + } + return result; +} + bool NfcProtocol::HasAmiibo() { if (update_counter++ < AMIIBO_UPDATE_DELAY) { return true; @@ -341,6 +457,158 @@ DriverResult NfcProtocol::WriteAmiiboData(const TagUUID& tag_uuid, std::span<con return result; } +DriverResult NfcProtocol::GetMifareData(const MifareUUID& tag_uuid, + std::span<const MifareReadChunk> read_request, + std::span<MifareReadData> out_data) { + constexpr std::size_t timeout_limit = 60; + const auto nfc_data = MakeMifareReadPackage(tag_uuid, read_request); + const std::vector<u8> nfc_buffer_data = SerializeMifareReadPackage(nfc_data); + std::span<const u8> buffer(nfc_buffer_data); + DriverResult result = DriverResult::Success; + MCUCommandResponse output{}; + u8 block_id = 1; + u8 package_index = 0; + std::size_t tries = 0; + std::size_t current_position = 0; + + LOG_INFO(Input, "Reading Mifare data"); + + // Send data request. Nfc buffer size is 31, Send the data in smaller packages + while (current_position < buffer.size() && tries++ < timeout_limit) { + const std::size_t next_position = + std::min(current_position + sizeof(NFCRequestState::raw_data), buffer.size()); + const std::size_t block_size = next_position - current_position; + const bool is_last_packet = block_size < sizeof(NFCRequestState::raw_data); + + SendReadDataMifareRequest(output, block_id, is_last_packet, + buffer.subspan(current_position, block_size)); + + const auto nfc_status = static_cast<NFCStatus>(output.mcu_data[6]); + + if (output.mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::TagLost) { + return DriverResult::ErrorReadingData; + } + + // Increase position when data is confirmed by the joycon + if (output.mcu_report == MCUReport::NFCState && + (output.mcu_data[1] << 8) + output.mcu_data[0] == 0x0500 && + output.mcu_data[3] == block_id) { + block_id++; + current_position = next_position; + } + } + + if (result != DriverResult::Success) { + return result; + } + + // Wait for reply and save the output data + while (tries++ < timeout_limit) { + result = SendNextPackageRequest(output, package_index); + const auto nfc_status = static_cast<NFCStatus>(output.mcu_data[6]); + + if (result != DriverResult::Success) { + return result; + } + + if (output.mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::TagLost) { + return DriverResult::ErrorReadingData; + } + + if (output.mcu_report == MCUReport::NFCState && output.mcu_data[1] == 0x10) { + constexpr std::size_t DATA_LENGHT = 0x10 + 1; + constexpr std::size_t DATA_START = 11; + const u8 number_of_elements = output.mcu_data[10]; + for (std::size_t i = 0; i < number_of_elements; i++) { + out_data[i].sector = output.mcu_data[DATA_START + (i * DATA_LENGHT)]; + memcpy(out_data[i].data.data(), + output.mcu_data.data() + DATA_START + 1 + (i * DATA_LENGHT), + sizeof(MifareReadData::data)); + } + package_index++; + continue; + } + + if (output.mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::MifareDone) { + LOG_INFO(Input, "Finished reading mifare"); + break; + } + } + + return result; +} + +DriverResult NfcProtocol::WriteMifareData(const MifareUUID& tag_uuid, + std::span<const MifareWriteChunk> write_request) { + constexpr std::size_t timeout_limit = 60; + const auto nfc_data = MakeMifareWritePackage(tag_uuid, write_request); + const std::vector<u8> nfc_buffer_data = SerializeMifareWritePackage(nfc_data); + std::span<const u8> buffer(nfc_buffer_data); + DriverResult result = DriverResult::Success; + MCUCommandResponse output{}; + u8 block_id = 1; + u8 package_index = 0; + std::size_t tries = 0; + std::size_t current_position = 0; + + LOG_INFO(Input, "Writing Mifare data"); + + // Send data request. Nfc buffer size is 31, Send the data in smaller packages + while (current_position < buffer.size() && tries++ < timeout_limit) { + const std::size_t next_position = + std::min(current_position + sizeof(NFCRequestState::raw_data), buffer.size()); + const std::size_t block_size = next_position - current_position; + const bool is_last_packet = block_size < sizeof(NFCRequestState::raw_data); + + SendReadDataMifareRequest(output, block_id, is_last_packet, + buffer.subspan(current_position, block_size)); + + const auto nfc_status = static_cast<NFCStatus>(output.mcu_data[6]); + + if (output.mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::TagLost) { + return DriverResult::ErrorReadingData; + } + + // Increase position when data is confirmed by the joycon + if (output.mcu_report == MCUReport::NFCState && + (output.mcu_data[1] << 8) + output.mcu_data[0] == 0x0500 && + output.mcu_data[3] == block_id) { + block_id++; + current_position = next_position; + } + } + + if (result != DriverResult::Success) { + return result; + } + + // Wait for reply and ignore the output data + while (tries++ < timeout_limit) { + result = SendNextPackageRequest(output, package_index); + const auto nfc_status = static_cast<NFCStatus>(output.mcu_data[6]); + + if (result != DriverResult::Success) { + return result; + } + + if (output.mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::TagLost) { + return DriverResult::ErrorReadingData; + } + + if (output.mcu_report == MCUReport::NFCState && output.mcu_data[1] == 0x10) { + package_index++; + continue; + } + + if (output.mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::MifareDone) { + LOG_INFO(Input, "Finished writing mifare"); + break; + } + } + + return result; +} + DriverResult NfcProtocol::SendStartPollingRequest(MCUCommandResponse& output, bool is_second_attempt) { NFCRequestState request{ @@ -477,6 +745,28 @@ DriverResult NfcProtocol::SendWriteDataAmiiboRequest(MCUCommandResponse& output, output); } +DriverResult NfcProtocol::SendReadDataMifareRequest(MCUCommandResponse& output, u8 block_id, + bool is_last_packet, std::span<const u8> data) { + const auto data_size = std::min(data.size(), sizeof(NFCRequestState::raw_data)); + NFCRequestState request{ + .command_argument = NFCCommand::Mifare, + .block_id = block_id, + .packet_id = {}, + .packet_flag = + is_last_packet ? MCUPacketFlag::LastCommandPacket : MCUPacketFlag::MorePacketsRemaining, + .data_length = static_cast<u8>(data_size), + .raw_data = {}, + .crc = {}, + }; + memcpy(request.raw_data.data(), data.data(), data_size); + + std::array<u8, sizeof(NFCRequestState)> request_data{}; + memcpy(request_data.data(), &request, sizeof(NFCRequestState)); + request_data[36] = CalculateMCU_CRC8(request_data.data(), 36); + return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, MCUSubCommand::ReadDeviceMode, request_data, + output); +} + std::vector<u8> NfcProtocol::SerializeWritePackage(const NFCWritePackage& package) const { const std::size_t header_size = sizeof(NFCWriteCommandData) + sizeof(NFCWritePackage::number_of_chunks); @@ -498,6 +788,48 @@ std::vector<u8> NfcProtocol::SerializeWritePackage(const NFCWritePackage& packag return serialized_data; } +std::vector<u8> NfcProtocol::SerializeMifareReadPackage(const MifareReadPackage& package) const { + const std::size_t header_size = sizeof(MifareCommandData); + std::vector<u8> serialized_data(header_size); + std::size_t start_index = 0; + + memcpy(serialized_data.data(), &package, header_size); + start_index += header_size; + + for (const auto& data_chunk : package.data_chunks) { + const std::size_t chunk_size = sizeof(MifareReadChunk); + if (data_chunk.command == MifareCmd::None) { + continue; + } + serialized_data.resize(start_index + chunk_size); + memcpy(serialized_data.data() + start_index, &data_chunk, chunk_size); + start_index += chunk_size; + } + + return serialized_data; +} + +std::vector<u8> NfcProtocol::SerializeMifareWritePackage(const MifareWritePackage& package) const { + const std::size_t header_size = sizeof(MifareCommandData); + std::vector<u8> serialized_data(header_size); + std::size_t start_index = 0; + + memcpy(serialized_data.data(), &package, header_size); + start_index += header_size; + + for (const auto& data_chunk : package.data_chunks) { + const std::size_t chunk_size = sizeof(MifareWriteChunk); + if (data_chunk.command == MifareCmd::None) { + continue; + } + serialized_data.resize(start_index + chunk_size); + memcpy(serialized_data.data() + start_index, &data_chunk, chunk_size); + start_index += chunk_size; + } + + return serialized_data; +} + NFCWritePackage NfcProtocol::MakeAmiiboWritePackage(const TagUUID& tag_uuid, std::span<const u8> data) const { return { @@ -527,6 +859,46 @@ NFCWritePackage NfcProtocol::MakeAmiiboWritePackage(const TagUUID& tag_uuid, }; } +MifareReadPackage NfcProtocol::MakeMifareReadPackage( + const MifareUUID& tag_uuid, std::span<const MifareReadChunk> read_request) const { + MifareReadPackage package{ + .command_data{ + .unknown1 = 0xd0, + .unknown2 = 0x07, + .number_of_short_bytes = static_cast<u8>( + ((read_request.size() * sizeof(MifareReadChunk)) + sizeof(MifareUUID)) / 2), + .uid = tag_uuid, + }, + .data_chunks = {}, + }; + + for (std::size_t i = 0; i < read_request.size() && i < package.data_chunks.size(); ++i) { + package.data_chunks[i] = read_request[i]; + } + + return package; +} + +MifareWritePackage NfcProtocol::MakeMifareWritePackage( + const MifareUUID& tag_uuid, std::span<const MifareWriteChunk> read_request) const { + MifareWritePackage package{ + .command_data{ + .unknown1 = 0xd0, + .unknown2 = 0x07, + .number_of_short_bytes = static_cast<u8>( + ((read_request.size() * sizeof(MifareReadChunk)) + sizeof(MifareUUID) + 2) / 2), + .uid = tag_uuid, + }, + .data_chunks = {}, + }; + + for (std::size_t i = 0; i < read_request.size() && i < package.data_chunks.size(); ++i) { + package.data_chunks[i] = read_request[i]; + } + + return package; +} + NFCDataChunk NfcProtocol::MakeAmiiboChunk(u8 page, u8 size, std::span<const u8> data) const { constexpr u8 NFC_PAGE_SIZE = 4; @@ -606,4 +978,8 @@ bool NfcProtocol::IsEnabled() const { return is_enabled; } +bool NfcProtocol::IsPolling() const { + return is_polling; +} + } // namespace InputCommon::Joycon |