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Diffstat (limited to '')
-rw-r--r-- | src/input_common/helpers/joycon_protocol/irs.cpp | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/src/input_common/helpers/joycon_protocol/irs.cpp b/src/input_common/helpers/joycon_protocol/irs.cpp new file mode 100644 index 000000000..731fd5981 --- /dev/null +++ b/src/input_common/helpers/joycon_protocol/irs.cpp @@ -0,0 +1,299 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <thread> +#include "common/logging/log.h" +#include "input_common/helpers/joycon_protocol/irs.h" + +namespace InputCommon::Joycon { + +IrsProtocol::IrsProtocol(std::shared_ptr<JoyconHandle> handle) + : JoyconCommonProtocol(std::move(handle)) {} + +DriverResult IrsProtocol::EnableIrs() { + LOG_INFO(Input, "Enable IRS"); + ScopedSetBlocking sb(this); + DriverResult result{DriverResult::Success}; + + if (result == DriverResult::Success) { + result = SetReportMode(ReportMode::NFC_IR_MODE_60HZ); + } + if (result == DriverResult::Success) { + result = EnableMCU(true); + } + if (result == DriverResult::Success) { + result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::Standby); + } + if (result == DriverResult::Success) { + const MCUConfig config{ + .command = MCUCommand::ConfigureMCU, + .sub_command = MCUSubCommand::SetMCUMode, + .mode = MCUMode::IR, + .crc = {}, + }; + + result = ConfigureMCU(config); + } + if (result == DriverResult::Success) { + result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::IR); + } + if (result == DriverResult::Success) { + result = ConfigureIrs(); + } + if (result == DriverResult::Success) { + result = WriteRegistersStep1(); + } + if (result == DriverResult::Success) { + result = WriteRegistersStep2(); + } + + is_enabled = true; + + return result; +} + +DriverResult IrsProtocol::DisableIrs() { + LOG_DEBUG(Input, "Disable IRS"); + ScopedSetBlocking sb(this); + DriverResult result{DriverResult::Success}; + + if (result == DriverResult::Success) { + result = EnableMCU(false); + } + + is_enabled = false; + + return result; +} + +DriverResult IrsProtocol::SetIrsConfig(IrsMode mode, IrsResolution format) { + irs_mode = mode; + switch (format) { + case IrsResolution::Size320x240: + resolution_code = IrsResolutionCode::Size320x240; + fragments = IrsFragments::Size320x240; + resolution = IrsResolution::Size320x240; + break; + case IrsResolution::Size160x120: + resolution_code = IrsResolutionCode::Size160x120; + fragments = IrsFragments::Size160x120; + resolution = IrsResolution::Size160x120; + break; + case IrsResolution::Size80x60: + resolution_code = IrsResolutionCode::Size80x60; + fragments = IrsFragments::Size80x60; + resolution = IrsResolution::Size80x60; + break; + case IrsResolution::Size20x15: + resolution_code = IrsResolutionCode::Size20x15; + fragments = IrsFragments::Size20x15; + resolution = IrsResolution::Size20x15; + break; + case IrsResolution::Size40x30: + default: + resolution_code = IrsResolutionCode::Size40x30; + fragments = IrsFragments::Size40x30; + resolution = IrsResolution::Size40x30; + break; + } + + // Restart feature + if (is_enabled) { + DisableIrs(); + return EnableIrs(); + } + + return DriverResult::Success; +} + +DriverResult IrsProtocol::RequestImage(std::span<u8> buffer) { + const u8 next_packet_fragment = + static_cast<u8>((packet_fragment + 1) % (static_cast<u8>(fragments) + 1)); + + if (buffer[0] == 0x31 && buffer[49] == 0x03) { + u8 new_packet_fragment = buffer[52]; + if (new_packet_fragment == next_packet_fragment) { + packet_fragment = next_packet_fragment; + memcpy(buf_image.data() + (300 * packet_fragment), buffer.data() + 59, 300); + + return RequestFrame(packet_fragment); + } + + if (new_packet_fragment == packet_fragment) { + return RequestFrame(packet_fragment); + } + + return ResendFrame(next_packet_fragment); + } + + return RequestFrame(packet_fragment); +} + +DriverResult IrsProtocol::ConfigureIrs() { + LOG_DEBUG(Input, "Configure IRS"); + constexpr std::size_t max_tries = 28; + SubCommandResponse output{}; + std::size_t tries = 0; + + const IrsConfigure irs_configuration{ + .command = MCUCommand::ConfigureIR, + .sub_command = MCUSubCommand::SetDeviceMode, + .irs_mode = IrsMode::ImageTransfer, + .number_of_fragments = fragments, + .mcu_major_version = 0x0500, + .mcu_minor_version = 0x1800, + .crc = {}, + }; + buf_image.resize((static_cast<u8>(fragments) + 1) * 300); + + std::array<u8, sizeof(IrsConfigure)> request_data{}; + memcpy(request_data.data(), &irs_configuration, sizeof(IrsConfigure)); + request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36); + do { + const auto result = SendSubCommand(SubCommand::SET_MCU_CONFIG, request_data, output); + + if (result != DriverResult::Success) { + return result; + } + if (tries++ >= max_tries) { + return DriverResult::WrongReply; + } + } while (output.command_data[0] != 0x0b); + + return DriverResult::Success; +} + +DriverResult IrsProtocol::WriteRegistersStep1() { + LOG_DEBUG(Input, "WriteRegistersStep1"); + DriverResult result{DriverResult::Success}; + constexpr std::size_t max_tries = 28; + SubCommandResponse output{}; + std::size_t tries = 0; + + const IrsWriteRegisters irs_registers{ + .command = MCUCommand::ConfigureIR, + .sub_command = MCUSubCommand::WriteDeviceRegisters, + .number_of_registers = 0x9, + .registers = + { + IrsRegister{IrRegistersAddress::Resolution, static_cast<u8>(resolution_code)}, + {IrRegistersAddress::ExposureLSB, static_cast<u8>(exposure & 0xff)}, + {IrRegistersAddress::ExposureMSB, static_cast<u8>(exposure >> 8)}, + {IrRegistersAddress::ExposureTime, 0x00}, + {IrRegistersAddress::Leds, static_cast<u8>(leds)}, + {IrRegistersAddress::DigitalGainLSB, static_cast<u8>((digital_gain & 0x0f) << 4)}, + {IrRegistersAddress::DigitalGainMSB, static_cast<u8>((digital_gain & 0xf0) >> 4)}, + {IrRegistersAddress::LedFilter, static_cast<u8>(led_filter)}, + {IrRegistersAddress::WhitePixelThreshold, 0xc8}, + }, + .crc = {}, + }; + + std::array<u8, sizeof(IrsWriteRegisters)> request_data{}; + memcpy(request_data.data(), &irs_registers, sizeof(IrsWriteRegisters)); + request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36); + + std::array<u8, 38> mcu_request{0x02}; + mcu_request[36] = CalculateMCU_CRC8(mcu_request.data(), 36); + mcu_request[37] = 0xFF; + + if (result != DriverResult::Success) { + return result; + } + + do { + result = SendSubCommand(SubCommand::SET_MCU_CONFIG, request_data, output); + + // First time we need to set the report mode + if (result == DriverResult::Success && tries == 0) { + result = SendMCUCommand(SubCommand::SET_REPORT_MODE, mcu_request); + } + if (result == DriverResult::Success && tries == 0) { + GetSubCommandResponse(SubCommand::SET_MCU_CONFIG, output); + } + + if (result != DriverResult::Success) { + return result; + } + if (tries++ >= max_tries) { + return DriverResult::WrongReply; + } + } while (!(output.command_data[0] == 0x13 && output.command_data[2] == 0x07) && + output.command_data[0] != 0x23); + + return DriverResult::Success; +} + +DriverResult IrsProtocol::WriteRegistersStep2() { + LOG_DEBUG(Input, "WriteRegistersStep2"); + constexpr std::size_t max_tries = 28; + SubCommandResponse output{}; + std::size_t tries = 0; + + const IrsWriteRegisters irs_registers{ + .command = MCUCommand::ConfigureIR, + .sub_command = MCUSubCommand::WriteDeviceRegisters, + .number_of_registers = 0x8, + .registers = + { + IrsRegister{IrRegistersAddress::LedIntensitiyMSB, + static_cast<u8>(led_intensity >> 8)}, + {IrRegistersAddress::LedIntensitiyLSB, static_cast<u8>(led_intensity & 0xff)}, + {IrRegistersAddress::ImageFlip, static_cast<u8>(image_flip)}, + {IrRegistersAddress::DenoiseSmoothing, static_cast<u8>((denoise >> 16) & 0xff)}, + {IrRegistersAddress::DenoiseEdge, static_cast<u8>((denoise >> 8) & 0xff)}, + {IrRegistersAddress::DenoiseColor, static_cast<u8>(denoise & 0xff)}, + {IrRegistersAddress::UpdateTime, 0x2d}, + {IrRegistersAddress::FinalizeConfig, 0x01}, + }, + .crc = {}, + }; + + std::array<u8, sizeof(IrsWriteRegisters)> request_data{}; + memcpy(request_data.data(), &irs_registers, sizeof(IrsWriteRegisters)); + request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36); + do { + const auto result = SendSubCommand(SubCommand::SET_MCU_CONFIG, request_data, output); + + if (result != DriverResult::Success) { + return result; + } + if (tries++ >= max_tries) { + return DriverResult::WrongReply; + } + } while (output.command_data[0] != 0x13 && output.command_data[0] != 0x23); + + return DriverResult::Success; +} + +DriverResult IrsProtocol::RequestFrame(u8 frame) { + std::array<u8, 38> mcu_request{}; + mcu_request[3] = frame; + mcu_request[36] = CalculateMCU_CRC8(mcu_request.data(), 36); + mcu_request[37] = 0xFF; + return SendMCUCommand(SubCommand::SET_REPORT_MODE, mcu_request); +} + +DriverResult IrsProtocol::ResendFrame(u8 frame) { + std::array<u8, 38> mcu_request{}; + mcu_request[1] = 0x1; + mcu_request[2] = frame; + mcu_request[3] = 0x0; + mcu_request[36] = CalculateMCU_CRC8(mcu_request.data(), 36); + mcu_request[37] = 0xFF; + return SendMCUCommand(SubCommand::SET_REPORT_MODE, mcu_request); +} + +std::vector<u8> IrsProtocol::GetImage() const { + return buf_image; +} + +IrsResolution IrsProtocol::GetIrsFormat() const { + return resolution; +} + +bool IrsProtocol::IsEnabled() const { + return is_enabled; +} + +} // namespace InputCommon::Joycon |