415 lines
12 KiB
C++
415 lines
12 KiB
C++
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <thread>
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#include "common/logging/log.h"
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#include "input_common/helpers/joycon_protocol/nfc.h"
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namespace InputCommon::Joycon {
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NfcProtocol::NfcProtocol(std::shared_ptr<JoyconHandle> handle) : JoyconCommonProtocol(handle) {}
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DriverResult NfcProtocol::EnableNfc() {
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LOG_INFO(Input, "Enable NFC");
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DriverResult result{DriverResult::Success};
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SetBlocking();
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if (result == DriverResult::Success) {
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result = SetReportMode(ReportMode::NFC_IR_MODE_60HZ);
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}
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if (result == DriverResult::Success) {
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result = EnableMCU(true);
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}
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if (result == DriverResult::Success) {
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result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::Standby);
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}
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if (result == DriverResult::Success) {
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const MCUConfig config{
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.command = MCUCommand::ConfigureMCU,
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.sub_command = MCUSubCommand::SetMCUMode,
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.mode = MCUMode::NFC,
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.crc = {},
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};
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result = ConfigureMCU(config);
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}
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SetNonBlocking();
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return result;
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}
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DriverResult NfcProtocol::DisableNfc() {
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LOG_DEBUG(Input, "Disable NFC");
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DriverResult result{DriverResult::Success};
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SetBlocking();
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if (result == DriverResult::Success) {
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result = EnableMCU(false);
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}
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is_enabled = false;
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SetNonBlocking();
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return result;
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}
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DriverResult NfcProtocol::StartNFCPollingMode() {
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LOG_DEBUG(Input, "Start NFC pooling Mode");
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DriverResult result{DriverResult::Success};
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TagFoundData tag_data{};
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SetBlocking();
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if (result == DriverResult::Success) {
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result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::NFC);
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}
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if (result == DriverResult::Success) {
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result = WaitUntilNfcIsReady();
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}
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if (result == DriverResult::Success) {
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is_enabled = true;
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}
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SetNonBlocking();
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return result;
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}
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DriverResult NfcProtocol::ScanAmiibo(std::vector<u8>& data) {
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LOG_DEBUG(Input, "Start NFC pooling Mode");
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DriverResult result{DriverResult::Success};
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TagFoundData tag_data{};
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SetBlocking();
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if (result == DriverResult::Success) {
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result = StartPolling(tag_data);
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}
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if (result == DriverResult::Success) {
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result = ReadTag(tag_data);
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}
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if (result == DriverResult::Success) {
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result = WaitUntilNfcIsReady();
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}
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if (result == DriverResult::Success) {
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result = StartPolling(tag_data);
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}
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if (result == DriverResult::Success) {
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result = GetAmiiboData(data);
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}
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SetNonBlocking();
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return result;
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}
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bool NfcProtocol::HasAmiibo() {
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DriverResult result{DriverResult::Success};
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TagFoundData tag_data{};
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SetBlocking();
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if (result == DriverResult::Success) {
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result = StartPolling(tag_data);
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}
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SetNonBlocking();
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return result == DriverResult::Success;
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}
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DriverResult NfcProtocol::WaitUntilNfcIsReady() {
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constexpr std::size_t timeout_limit = 10;
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std::vector<u8> output;
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std::size_t tries = 0;
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do {
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auto result = SendStartWaitingRecieveRequest(output);
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if (result != DriverResult::Success) {
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return result;
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}
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if (tries++ > timeout_limit) {
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return DriverResult::Timeout;
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}
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} while (output[49] != 0x2a || (output[51] << 8) + output[50] != 0x0500 || output[55] != 0x31 ||
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output[56] != 0x00);
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return DriverResult::Success;
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}
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DriverResult NfcProtocol::StartPolling(TagFoundData& data) {
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LOG_DEBUG(Input, "Start Polling for tag");
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constexpr std::size_t timeout_limit = 7;
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std::vector<u8> output;
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std::size_t tries = 0;
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do {
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const auto result = SendStartPollingRequest(output);
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if (result != DriverResult::Success) {
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return result;
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}
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if (tries++ > timeout_limit) {
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return DriverResult::Timeout;
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}
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} while (output[49] != 0x2a || (output[51] << 8) + output[50] != 0x0500 || output[56] != 0x09);
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data.type = output[62];
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data.uuid.resize(output[64]);
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memcpy(data.uuid.data(), output.data() + 65, data.uuid.size());
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return DriverResult::Success;
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}
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DriverResult NfcProtocol::ReadTag(const TagFoundData& data) {
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constexpr std::size_t timeout_limit = 10;
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std::vector<u8> output;
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std::size_t tries = 0;
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std::string uuid_string = "";
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for (auto& content : data.uuid) {
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uuid_string += " " + fmt::format("{:02x}", content);
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}
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LOG_INFO(Input, "Tag detected, type={}, uuid={}", data.type, uuid_string);
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tries = 0;
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std::size_t ntag_pages = 0;
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// Read Tag data
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loop1:
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while (true) {
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auto result = SendReadAmiiboRequest(output, ntag_pages);
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int attempt = 0;
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while (1) {
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if (attempt != 0) {
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result = GetMCUDataResponse(ReportMode::NFC_IR_MODE_60HZ, output);
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}
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if ((output[49] == 0x3a || output[49] == 0x2a) && output[56] == 0x07) {
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return DriverResult::ErrorReadingData;
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}
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if (output[49] == 0x3a && output[51] == 0x07 && output[52] == 0x01) {
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if (data.type != 2) {
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goto loop1;
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}
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switch (output[74]) {
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case 0:
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ntag_pages = 135;
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break;
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case 3:
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ntag_pages = 45;
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break;
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case 4:
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ntag_pages = 231;
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break;
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default:
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return DriverResult::ErrorReadingData;
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}
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goto loop1;
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}
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if (output[49] == 0x2a && output[56] == 0x04) {
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// finished
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SendStopPollingRequest(output);
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return DriverResult::Success;
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}
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if (output[49] == 0x2a) {
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goto loop1;
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}
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if (attempt++ > 6) {
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goto loop1;
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}
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}
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if (result != DriverResult::Success) {
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return result;
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}
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if (tries++ > timeout_limit) {
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return DriverResult::Timeout;
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}
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}
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return DriverResult::Success;
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}
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DriverResult NfcProtocol::GetAmiiboData(std::vector<u8>& ntag_data) {
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constexpr std::size_t timeout_limit = 10;
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std::vector<u8> output;
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std::size_t tries = 0;
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std::size_t ntag_pages = 135;
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std::size_t ntag_buffer_pos = 0;
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// Read Tag data
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loop1:
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while (true) {
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auto result = SendReadAmiiboRequest(output, ntag_pages);
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int attempt = 0;
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while (1) {
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if (attempt != 0) {
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result = GetMCUDataResponse(ReportMode::NFC_IR_MODE_60HZ, output);
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}
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if ((output[49] == 0x3a || output[49] == 0x2a) && output[56] == 0x07) {
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return DriverResult::ErrorReadingData;
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}
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if (output[49] == 0x3a && output[51] == 0x07) {
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std::size_t payload_size = (output[54] << 8 | output[55]) & 0x7FF;
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if (output[52] == 0x01) {
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memcpy(ntag_data.data() + ntag_buffer_pos, output.data() + 116,
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payload_size - 60);
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ntag_buffer_pos += payload_size - 60;
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} else {
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memcpy(ntag_data.data() + ntag_buffer_pos, output.data() + 56, payload_size);
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}
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goto loop1;
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}
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if (output[49] == 0x2a && output[56] == 0x04) {
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LOG_INFO(Input, "Finished reading amiibo");
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return DriverResult::Success;
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}
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if (output[49] == 0x2a) {
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goto loop1;
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}
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if (attempt++ > 4) {
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goto loop1;
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}
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}
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if (result != DriverResult::Success) {
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return result;
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}
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if (tries++ > timeout_limit) {
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return DriverResult::Timeout;
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}
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}
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return DriverResult::Success;
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}
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DriverResult NfcProtocol::SendStartPollingRequest(std::vector<u8>& output) {
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NFCRequestState request{
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.sub_command = MCUSubCommand::ReadDeviceMode,
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.command_argument = NFCReadCommand::StartPolling,
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.packet_id = 0x0,
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.packet_flag = MCUPacketFlag::LastCommandPacket,
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.data_length = sizeof(NFCPollingCommandData),
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.nfc_polling =
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{
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.enable_mifare = 0x01,
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.unknown_1 = 0x00,
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.unknown_2 = 0x00,
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.unknown_3 = 0x2c,
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.unknown_4 = 0x01,
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},
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.crc = {},
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};
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std::vector<u8> request_data(sizeof(NFCRequestState));
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memcpy(request_data.data(), &request, sizeof(NFCRequestState));
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request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
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return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
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}
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DriverResult NfcProtocol::SendStopPollingRequest(std::vector<u8>& output) {
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NFCRequestState request{
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.sub_command = MCUSubCommand::ReadDeviceMode,
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.command_argument = NFCReadCommand::StopPolling,
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.packet_id = 0x0,
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.packet_flag = MCUPacketFlag::LastCommandPacket,
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.data_length = 0,
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.raw_data = {},
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.crc = {},
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};
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std::vector<u8> request_data(sizeof(NFCRequestState));
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memcpy(request_data.data(), &request, sizeof(NFCRequestState));
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request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
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return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
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}
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DriverResult NfcProtocol::SendStartWaitingRecieveRequest(std::vector<u8>& output) {
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NFCRequestState request{
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.sub_command = MCUSubCommand::ReadDeviceMode,
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.command_argument = NFCReadCommand::StartWaitingRecieve,
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.packet_id = 0x0,
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.packet_flag = MCUPacketFlag::LastCommandPacket,
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.data_length = 0,
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.raw_data = {},
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.crc = {},
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};
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std::vector<u8> request_data(sizeof(NFCRequestState));
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memcpy(request_data.data(), &request, sizeof(NFCRequestState));
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request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
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return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
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}
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DriverResult NfcProtocol::SendReadAmiiboRequest(std::vector<u8>& output, std::size_t ntag_pages) {
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NFCRequestState request{
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.sub_command = MCUSubCommand::ReadDeviceMode,
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.command_argument = NFCReadCommand::Ntag,
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.packet_id = 0x0,
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.packet_flag = MCUPacketFlag::LastCommandPacket,
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.data_length = sizeof(NFCReadCommandData),
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.nfc_read =
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{
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.unknown = 0xd0,
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.uuid_length = 0x07,
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.unknown_2 = 0x00,
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.uid = {},
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.tag_type = NFCTagType::AllTags,
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.read_block = GetReadBlockCommand(ntag_pages),
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},
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.crc = {},
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};
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std::vector<u8> request_data(sizeof(NFCRequestState));
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memcpy(request_data.data(), &request, sizeof(NFCRequestState));
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request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
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return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
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}
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NFCReadBlockCommand NfcProtocol::GetReadBlockCommand(std::size_t pages) const {
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if (pages == 0) {
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return {
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.block_count = 1,
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};
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}
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if (pages == 45) {
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return {
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.block_count = 1,
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.blocks =
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{
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NFCReadBlock{0x00, 0x2C},
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},
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pages == 135) {
|
||
|
|
return {
|
||
|
|
.block_count = 3,
|
||
|
|
.blocks =
|
||
|
|
{
|
||
|
|
NFCReadBlock{0x00, 0x3b},
|
||
|
|
{0x3c, 0x77},
|
||
|
|
{0x78, 0x86},
|
||
|
|
},
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pages == 231) {
|
||
|
|
return {
|
||
|
|
.block_count = 4,
|
||
|
|
.blocks =
|
||
|
|
{
|
||
|
|
NFCReadBlock{0x00, 0x3b},
|
||
|
|
{0x3c, 0x77},
|
||
|
|
{0x78, 0x83},
|
||
|
|
{0xb4, 0xe6},
|
||
|
|
},
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
return {};
|
||
|
|
}
|
||
|
|
|
||
|
|
bool NfcProtocol::IsEnabled() {
|
||
|
|
return is_enabled;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace InputCommon::Joycon
|