MissionControl/bluetooth-mitm/source/controllers/emulated_switch_controller.cpp
2020-10-04 21:17:45 +02:00

254 lines
12 KiB
C++

/*
* Copyright (c) 2020 ndeadly
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "emulated_switch_controller.hpp"
#include <memory>
namespace ams::controller {
bluetooth::HidReport EmulatedSwitchController::s_input_report;
bluetooth::HidReport EmulatedSwitchController::s_output_report;
EmulatedSwitchController::EmulatedSwitchController(const bluetooth::Address *address)
: SwitchController(address)
, m_charging(false)
, m_battery(BATTERY_MAX) {
this->ClearControllerState();
m_colours.body = {0x32, 0x32, 0x32};
m_colours.buttons = {0xe6, 0xe6, 0xe6};
m_colours.left_grip = {0x46, 0x46, 0x46};
m_colours.right_grip = {0x46, 0x46, 0x46};
};
void EmulatedSwitchController::ClearControllerState(void) {
std::memset(&m_buttons, 0, sizeof(m_buttons));
this->PackStickData(&m_left_stick, STICK_ZERO, STICK_ZERO);
this->PackStickData(&m_right_stick, STICK_ZERO, STICK_ZERO);
std::memset(&m_motion_data, 0, sizeof(m_motion_data));
}
void EmulatedSwitchController::ApplyButtonCombos(SwitchButtonData *buttons) {
// Home combo = MINUS + DPAD_DOWN
if (buttons->minus && buttons->dpad_down) {
buttons->home = 1;
buttons->minus = 0;
buttons->dpad_down = 0;
}
// Capture combo = MINUS + DPAD_UP
if (buttons->minus && buttons->dpad_up) {
buttons->capture = 1;
buttons->minus = 0;
buttons->dpad_up = 0;
}
}
Result EmulatedSwitchController::HandleIncomingReport(const bluetooth::HidReport *report) {
this->UpdateControllerState(report);
// Prepare Switch report
auto switch_report = reinterpret_cast<SwitchReportData *>(s_input_report.data);
s_input_report.size = sizeof(SwitchInputReport0x30) + 1;
switch_report->id = 0x30;
switch_report->input0x30.conn_info = 0;
switch_report->input0x30.battery = m_battery | m_charging;
switch_report->input0x30.buttons = m_buttons;
switch_report->input0x30.left_stick = m_left_stick;
switch_report->input0x30.right_stick = m_right_stick;
std::memcpy(&switch_report->input0x30.motion, &m_motion_data, sizeof(m_motion_data));
this->ApplyButtonCombos(&switch_report->input0x30.buttons);
switch_report->input0x30.timer = os::ConvertToTimeSpan(os::GetSystemTick()).GetMilliSeconds() & 0xff;
return bluetooth::hid::report::WriteHidReportBuffer(&m_address, &s_input_report);
}
Result EmulatedSwitchController::HandleOutgoingReport(const bluetooth::HidReport *report) {
uint8_t cmdId = report->data[0];
switch (cmdId) {
case 0x01: // Subcmd
R_TRY(this->HandleSubCmdReport(report));
break;
case 0x10: // Rumble
// Todo: add rumble support
default:
break;
}
return ams::ResultSuccess();
}
Result EmulatedSwitchController::HandleSubCmdReport(const bluetooth::HidReport *report) {
const uint8_t *subcmd = &report->data[10];
auto subcmd_id = static_cast<SubCmdType>(subcmd[0]);
switch (subcmd_id) {
case SubCmd_RequestDeviceInfo:
R_TRY(this->SubCmdRequestDeviceInfo(report));
break;
case SubCmd_SpiFlashRead:
R_TRY(this->SubCmdSpiFlashRead(report));
break;
case SubCmd_SpiFlashWrite:
R_TRY(this->SubCmdSpiFlashWrite(report));
break;
case SubCmd_SpiSectorErase:
R_TRY(this->SubCmdSpiSectorErase(report));
break;
case SubCmd_SetInputReportMode:
R_TRY(this->SubCmdSetInputReportMode(report));
break;
case SubCmd_TriggersElapsedTime:
R_TRY(this->SubCmdTriggersElapsedTime(report));
break;
case SubCmd_SetShipPowerState:
R_TRY(this->SubCmdSetShipPowerState(report));
break;
case SubCmd_SetMcuConfig:
R_TRY(this->SubCmdSetMcuConfig(report));
break;
case SubCmd_SetMcuState:
R_TRY(this->SubCmdSetMcuState(report));
break;
case SubCmd_SetPlayerLeds:
R_TRY(this->SubCmdSetPlayerLeds(report));
break;
case SubCmd_SetHomeLed:
R_TRY(this->SubCmdSetHomeLed(report));
break;
case SubCmd_EnableImu:
R_TRY(this->SubCmdEnableImu(report));
break;
case SubCmd_EnableVibration:
R_TRY(this->SubCmdEnableVibration(report));
break;
default:
break;
}
return ams::ResultSuccess();
}
Result EmulatedSwitchController::SubCmdRequestDeviceInfo(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x82, 0x02, 0x03, 0x48, 0x03, 0x02, m_address.address[0], m_address.address[1], m_address.address[2], m_address.address[3], m_address.address[4], m_address.address[5], 0x01, 0x02};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSpiFlashRead(const bluetooth::HidReport *report) {
// These are read from official Pro Controller
// @ 0x00006000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <= Serial
// @ 0x00006050: 32 32 32 ff ff ff ff ff ff ff ff ff <= RGB colours (body, buttons, left grip, right grip)
// @ 0x00006080: 50 fd 00 00 c6 0f 0f 30 61 ae 90 d9 d4 14 54 41 15 54 c7 79 9c 33 36 63 <= Factory Sensor and Stick device parameters
// @ 0x00006098: 0f 30 61 ae 90 d9 d4 14 54 41 15 54 c7 79 9c 33 36 63 <= Stick device parameters 2. Normally the same with 1, even in Pro Contr.
// @ 0x00008010: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <= User Analog sticks calibration
// @ 0x0000603d: e6 a5 67 1a 58 78 50 56 60 1a f8 7f 20 c6 63 d5 15 5e ff 32 32 32 ff ff ff <= Left analog stick calibration
// @ 0x00006020: 64 ff 33 00 b8 01 00 40 00 40 00 40 17 00 d7 ff bd ff 3b 34 3b 34 3b 34 <= 6-Axis motion sensor Factory calibration
uint32_t read_addr = *(uint32_t *)(&report->data[11]);
uint8_t read_size = report->data[15];
const uint8_t prefix[] = {0x90, SubCmd_SpiFlashRead, report->data[11], report->data[12], report->data[13], report->data[14], report->data[15]};
int response_size = read_size + sizeof(prefix);
auto response = std::make_unique<uint8_t[]>(response_size);
std::memcpy(response.get(), prefix, sizeof(prefix));
std::memset(response.get() + sizeof(prefix), 0xff, read_size); // Console doesn't seem to mind if response is uninitialised data (0xff)
// Set controller colours
if (read_addr == 0x6050) {
std::memcpy(response.get() + sizeof(prefix), &m_colours, sizeof(m_colours));
}
return this->FakeSubCmdResponse(response.get(), response_size);
}
Result EmulatedSwitchController::SubCmdSpiFlashWrite(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_SpiFlashWrite, 0x01};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSpiSectorErase(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_SpiSectorErase, 0x01};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSetInputReportMode(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_SetInputReportMode};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdTriggersElapsedTime(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x83, SubCmd_TriggersElapsedTime};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSetShipPowerState(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_SetShipPowerState, 0x00};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSetMcuConfig(const bluetooth::HidReport *report) {
const uint8_t response[] = {0xa0, SubCmd_SetMcuConfig, 0x01, 0x00, 0xff, 0x00, 0x03, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5c};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSetMcuState(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_SetMcuState};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSetPlayerLeds(const bluetooth::HidReport *report) {
const uint8_t *subCmd = &report->data[10];
uint8_t led_mask = subCmd[1];
R_TRY(this->SetPlayerLed(led_mask));
const uint8_t response[] = {0x80, SubCmd_SetPlayerLeds};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdSetHomeLed(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_SetHomeLed};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdEnableImu(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_EnableImu};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::SubCmdEnableVibration(const bluetooth::HidReport *report) {
const uint8_t response[] = {0x80, SubCmd_EnableVibration};
return this->FakeSubCmdResponse(response, sizeof(response));
}
Result EmulatedSwitchController::FakeSubCmdResponse(const uint8_t response[], size_t size) {
auto report_data = reinterpret_cast<controller::SwitchReportData *>(&s_input_report.data);
s_input_report.size = sizeof(controller::SwitchInputReport0x21);
report_data->id = 0x21;
report_data->input0x21.conn_info = 0;
report_data->input0x21.battery = m_battery | m_charging;
report_data->input0x21.buttons = m_buttons;
report_data->input0x21.left_stick = m_left_stick;
report_data->input0x21.right_stick = m_right_stick;
report_data->input0x21.vibrator = 0;
std::memcpy(&report_data->input0x21.subcmd, response, size);
report_data->input0x21.timer = os::ConvertToTimeSpan(os::GetSystemTick()).GetMilliSeconds() & 0xff;
//Write a fake response into the report buffer
return bluetooth::hid::report::WriteHidReportBuffer(&m_address, &s_input_report);
}
}