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BTEmu.cpp
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BTEmu.cpp
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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "Core/IOS/USB/Bluetooth/BTEmu.h"
#include <algorithm>
#include <cstdint>
#include <cstring>
#include <memory>
#include <string>
#include "Common/Assert.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Common/NandPaths.h"
#include "Common/StringUtil.h"
#include "Core/Core.h"
#include "Core/CoreTiming.h"
#include "Core/Debugger/Debugger_SymbolMap.h"
#include "Core/HW/Memmap.h"
#include "Core/HW/SystemTimers.h"
#include "Core/HW/Wiimote.h"
#include "Core/Host.h"
#include "Core/IOS/Device.h"
#include "Core/IOS/IOS.h"
#include "Core/SysConf.h"
#include "InputCommon/ControllerInterface/ControllerInterface.h"
namespace IOS::HLE
{
SQueuedEvent::SQueuedEvent(u32 size_, u16 handle) : size(size_), connection_handle(handle)
{
if (size > 1024)
PanicAlert("SQueuedEvent: The size is too large.");
}
namespace Device
{
BluetoothEmu::BluetoothEmu(Kernel& ios, const std::string& device_name)
: BluetoothBase(ios, device_name)
{
SysConf sysconf{ios.GetFS()};
if (!Core::WantsDeterminism())
BackUpBTInfoSection(&sysconf);
ConfPads bt_dinf{};
bdaddr_t tmp_bd;
u8 i = 0;
while (i < MAX_BBMOTES)
{
// Previous records can be safely overwritten, since they are backed up
tmp_bd[5] = bt_dinf.active[i].bdaddr[0] = bt_dinf.registered[i].bdaddr[0] = i;
tmp_bd[4] = bt_dinf.active[i].bdaddr[1] = bt_dinf.registered[i].bdaddr[1] = 0;
tmp_bd[3] = bt_dinf.active[i].bdaddr[2] = bt_dinf.registered[i].bdaddr[2] = 0x79;
tmp_bd[2] = bt_dinf.active[i].bdaddr[3] = bt_dinf.registered[i].bdaddr[3] = 0x19;
tmp_bd[1] = bt_dinf.active[i].bdaddr[4] = bt_dinf.registered[i].bdaddr[4] = 2;
tmp_bd[0] = bt_dinf.active[i].bdaddr[5] = bt_dinf.registered[i].bdaddr[5] = 0x11;
const char* wm_name;
if (i == WIIMOTE_BALANCE_BOARD)
wm_name = "Nintendo RVL-WBC-01";
else
wm_name = "Nintendo RVL-CNT-01";
memcpy(bt_dinf.registered[i].name, wm_name, 20);
memcpy(bt_dinf.active[i].name, wm_name, 20);
DEBUG_LOG(IOS_WIIMOTE, "Wii Remote %d BT ID %x,%x,%x,%x,%x,%x", i, tmp_bd[0], tmp_bd[1],
tmp_bd[2], tmp_bd[3], tmp_bd[4], tmp_bd[5]);
m_wiimotes.emplace_back(this, i, tmp_bd, g_wiimote_sources[i] != WIIMOTE_SRC_NONE);
i++;
}
bt_dinf.num_registered = MAX_BBMOTES;
// save now so that when games load sysconf file it includes the new Wii Remotes
// and the correct order for connected Wii Remotes
auto& section = sysconf.GetOrAddEntry("BT.DINF", SysConf::Entry::Type::BigArray)->bytes;
section.resize(sizeof(ConfPads));
std::memcpy(section.data(), &bt_dinf, sizeof(ConfPads));
if (!sysconf.Save())
PanicAlertT("Failed to write BT.DINF to SYSCONF");
}
BluetoothEmu::~BluetoothEmu()
{
m_wiimotes.clear();
}
template <typename T>
static void DoStateForMessage(Kernel& ios, PointerWrap& p, std::unique_ptr<T>& message)
{
u32 request_address = (message != nullptr) ? message->ios_request.address : 0;
p.Do(request_address);
if (request_address != 0)
{
IOCtlVRequest request{request_address};
message = std::make_unique<T>(ios, request);
}
}
void BluetoothEmu::DoState(PointerWrap& p)
{
bool passthrough_bluetooth = false;
p.Do(passthrough_bluetooth);
if (passthrough_bluetooth && p.GetMode() == PointerWrap::MODE_READ)
{
Core::DisplayMessage("State needs Bluetooth passthrough to be enabled. Aborting load.", 4000);
p.SetMode(PointerWrap::MODE_VERIFY);
return;
}
p.Do(m_is_active);
p.Do(m_controller_bd);
DoStateForMessage(m_ios, p, m_ctrl_setup);
DoStateForMessage(m_ios, p, m_hci_endpoint);
DoStateForMessage(m_ios, p, m_acl_endpoint);
p.Do(m_last_ticks);
p.DoArray(m_packet_count);
p.Do(m_scan_enable);
p.Do(m_event_queue);
m_acl_pool.DoState(p);
for (unsigned int i = 0; i < MAX_BBMOTES; i++)
m_wiimotes[i].DoState(p);
}
bool BluetoothEmu::RemoteDisconnect(u16 connection_handle)
{
return SendEventDisconnect(connection_handle, 0x13);
}
IPCCommandResult BluetoothEmu::Close(u32 fd)
{
// Clean up state
m_scan_enable = 0;
m_last_ticks = 0;
memset(m_packet_count, 0, sizeof(m_packet_count));
m_hci_endpoint.reset();
m_acl_endpoint.reset();
return Device::Close(fd);
}
IPCCommandResult BluetoothEmu::IOCtlV(const IOCtlVRequest& request)
{
bool send_reply = true;
switch (request.request)
{
case USB::IOCTLV_USBV0_CTRLMSG: // HCI command is received from the stack
{
m_ctrl_setup = std::make_unique<USB::V0CtrlMessage>(m_ios, request);
// Replies are generated inside
ExecuteHCICommandMessage(*m_ctrl_setup);
m_ctrl_setup.reset();
send_reply = false;
break;
}
case USB::IOCTLV_USBV0_BLKMSG:
{
const USB::V0BulkMessage ctrl{m_ios, request};
switch (ctrl.endpoint)
{
case ACL_DATA_OUT: // ACL data is received from the stack
{
// This is the ACL datapath from CPU to Wii Remote
const auto* acl_header =
reinterpret_cast<hci_acldata_hdr_t*>(Memory::GetPointer(ctrl.data_address));
DEBUG_ASSERT(HCI_BC_FLAG(acl_header->con_handle) == HCI_POINT2POINT);
DEBUG_ASSERT(HCI_PB_FLAG(acl_header->con_handle) == HCI_PACKET_START);
SendToDevice(HCI_CON_HANDLE(acl_header->con_handle),
Memory::GetPointer(ctrl.data_address + sizeof(hci_acldata_hdr_t)),
acl_header->length);
break;
}
case ACL_DATA_IN: // We are given an ACL buffer to fill
{
m_acl_endpoint = std::make_unique<USB::V0BulkMessage>(m_ios, request);
DEBUG_LOG(IOS_WIIMOTE, "ACL_DATA_IN: 0x%08x ", request.address);
send_reply = false;
break;
}
default:
DEBUG_ASSERT_MSG(IOS_WIIMOTE, 0, "Unknown USB::IOCTLV_USBV0_BLKMSG: %x", ctrl.endpoint);
}
break;
}
case USB::IOCTLV_USBV0_INTRMSG:
{
const USB::V0IntrMessage ctrl{m_ios, request};
if (ctrl.endpoint == HCI_EVENT) // We are given a HCI buffer to fill
{
m_hci_endpoint = std::make_unique<USB::V0IntrMessage>(m_ios, request);
DEBUG_LOG(IOS_WIIMOTE, "HCI_EVENT: 0x%08x ", request.address);
send_reply = false;
}
else
{
DEBUG_ASSERT_MSG(IOS_WIIMOTE, 0, "Unknown USB::IOCTLV_USBV0_INTRMSG: %x", ctrl.endpoint);
}
break;
}
default:
request.DumpUnknown(GetDeviceName(), LogTypes::IOS_WIIMOTE);
}
return send_reply ? GetDefaultReply(IPC_SUCCESS) : GetNoReply();
}
// Here we handle the USB::IOCTLV_USBV0_BLKMSG Ioctlv
void BluetoothEmu::SendToDevice(u16 connection_handle, u8* data, u32 size)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return;
DEBUG_LOG(IOS_WIIMOTE, "Send ACL Packet to ConnectionHandle 0x%04x", connection_handle);
IncDataPacket(connection_handle);
wiimote->ExecuteL2capCmd(data, size);
}
void BluetoothEmu::IncDataPacket(u16 connection_handle)
{
m_packet_count[connection_handle & 0xff]++;
}
// Here we send ACL packets to CPU. They will consist of header + data.
// The header is for example 07 00 41 00 which means size 0x0007 and channel 0x0041.
void BluetoothEmu::SendACLPacket(u16 connection_handle, const u8* data, u32 size)
{
DEBUG_LOG(IOS_WIIMOTE, "ACL packet from %x ready to send to stack...", connection_handle);
if (m_acl_endpoint && !m_hci_endpoint && m_event_queue.empty())
{
DEBUG_LOG(IOS_WIIMOTE, "ACL endpoint valid, sending packet to %08x",
m_acl_endpoint->ios_request.address);
hci_acldata_hdr_t* header =
reinterpret_cast<hci_acldata_hdr_t*>(Memory::GetPointer(m_acl_endpoint->data_address));
header->con_handle = HCI_MK_CON_HANDLE(connection_handle, HCI_PACKET_START, HCI_POINT2POINT);
header->length = size;
// Write the packet to the buffer
memcpy(reinterpret_cast<u8*>(header) + sizeof(hci_acldata_hdr_t), data, header->length);
m_ios.EnqueueIPCReply(m_acl_endpoint->ios_request, sizeof(hci_acldata_hdr_t) + size);
m_acl_endpoint.reset();
}
else
{
DEBUG_LOG(IOS_WIIMOTE, "ACL endpoint not currently valid, queuing...");
m_acl_pool.Store(data, size, connection_handle);
}
}
// These messages are sent from the Wii Remote to the game, for example RequestConnection()
// or ConnectionComplete().
//
// Our IOS is so efficient that we could fill the buffer immediately
// rather than enqueue it to some other memory and this will do good for StateSave
void BluetoothEmu::AddEventToQueue(const SQueuedEvent& event)
{
DEBUG_LOG(IOS_WIIMOTE, "HCI event %x completed...", ((hci_event_hdr_t*)event.buffer)->event);
if (m_hci_endpoint)
{
if (m_event_queue.empty()) // fast path :)
{
DEBUG_LOG(IOS_WIIMOTE, "HCI endpoint valid, sending packet to %08x",
m_hci_endpoint->ios_request.address);
m_hci_endpoint->FillBuffer(event.buffer, event.size);
// Send a reply to indicate HCI buffer is filled
m_ios.EnqueueIPCReply(m_hci_endpoint->ios_request, event.size);
m_hci_endpoint.reset();
}
else // push new one, pop oldest
{
DEBUG_LOG(IOS_WIIMOTE, "HCI endpoint not currently valid, queueing (%zu)...",
m_event_queue.size());
m_event_queue.push_back(event);
const SQueuedEvent& queued_event = m_event_queue.front();
DEBUG_LOG(IOS_WIIMOTE,
"HCI event %x "
"being written from queue (%zu) to %08x...",
((hci_event_hdr_t*)queued_event.buffer)->event, m_event_queue.size() - 1,
m_hci_endpoint->ios_request.address);
m_hci_endpoint->FillBuffer(queued_event.buffer, queued_event.size);
// Send a reply to indicate HCI buffer is filled
m_ios.EnqueueIPCReply(m_hci_endpoint->ios_request, queued_event.size);
m_hci_endpoint.reset();
m_event_queue.pop_front();
}
}
else
{
DEBUG_LOG(IOS_WIIMOTE, "HCI endpoint not currently valid, queuing (%zu)...",
m_event_queue.size());
m_event_queue.push_back(event);
}
}
void BluetoothEmu::Update()
{
// check HCI queue
if (!m_event_queue.empty() && m_hci_endpoint)
{
// an endpoint has become available, and we have a stored response.
const SQueuedEvent& event = m_event_queue.front();
DEBUG_LOG(IOS_WIIMOTE, "HCI event %x being written from queue (%zu) to %08x...",
((hci_event_hdr_t*)event.buffer)->event, m_event_queue.size() - 1,
m_hci_endpoint->ios_request.address);
m_hci_endpoint->FillBuffer(event.buffer, event.size);
// Send a reply to indicate HCI buffer is filled
m_ios.EnqueueIPCReply(m_hci_endpoint->ios_request, event.size);
m_hci_endpoint.reset();
m_event_queue.pop_front();
}
// check ACL queue
if (!m_acl_pool.IsEmpty() && m_acl_endpoint && m_event_queue.empty())
{
m_acl_pool.WriteToEndpoint(*m_acl_endpoint);
m_acl_endpoint.reset();
}
// We wait for ScanEnable to be sent from the Bluetooth stack through HCI_CMD_WRITE_SCAN_ENABLE
// before we initiate the connection.
//
// FiRES: TODO find a better way to do this
// Create ACL connection
if (m_hci_endpoint && (m_scan_enable & HCI_PAGE_SCAN_ENABLE))
{
for (const auto& wiimote : m_wiimotes)
{
if (wiimote.EventPagingChanged(m_scan_enable))
SendEventRequestConnection(wiimote);
}
}
// Link channels when connected
if (m_acl_endpoint)
{
for (auto& wiimote : m_wiimotes)
{
if (wiimote.LinkChannel())
break;
}
}
// The Real Wii Remote sends report every ~5ms (200 Hz).
const u64 interval = SystemTimers::GetTicksPerSecond() / 200;
const u64 now = CoreTiming::GetTicks();
if (now - m_last_ticks > interval)
{
g_controller_interface.UpdateInput();
for (unsigned int i = 0; i < m_wiimotes.size(); i++)
Wiimote::Update(i, m_wiimotes[i].IsConnected());
m_last_ticks = now;
}
SendEventNumberOfCompletedPackets();
}
void BluetoothEmu::ACLPool::Store(const u8* data, const u16 size, const u16 conn_handle)
{
if (m_queue.size() >= 100)
{
// Many simultaneous exchanges of ACL packets tend to cause the queue to fill up.
ERROR_LOG(IOS_WIIMOTE, "ACL queue size reached 100 - current packet will be dropped!");
return;
}
DEBUG_ASSERT_MSG(IOS_WIIMOTE, size < ACL_PKT_SIZE, "ACL packet too large for pool");
m_queue.push_back(Packet());
auto& packet = m_queue.back();
std::copy(data, data + size, packet.data);
packet.size = size;
packet.conn_handle = conn_handle;
}
void BluetoothEmu::ACLPool::WriteToEndpoint(const USB::V0BulkMessage& endpoint)
{
auto& packet = m_queue.front();
const u8* const data = packet.data;
const u16 size = packet.size;
const u16 conn_handle = packet.conn_handle;
DEBUG_LOG(IOS_WIIMOTE,
"ACL packet being written from "
"queue to %08x",
endpoint.ios_request.address);
hci_acldata_hdr_t* header = (hci_acldata_hdr_t*)Memory::GetPointer(endpoint.data_address);
header->con_handle = HCI_MK_CON_HANDLE(conn_handle, HCI_PACKET_START, HCI_POINT2POINT);
header->length = size;
// Write the packet to the buffer
std::copy(data, data + size, (u8*)header + sizeof(hci_acldata_hdr_t));
m_queue.pop_front();
m_ios.EnqueueIPCReply(endpoint.ios_request, sizeof(hci_acldata_hdr_t) + size);
}
bool BluetoothEmu::SendEventInquiryComplete()
{
SQueuedEvent event(sizeof(SHCIEventInquiryComplete), 0);
SHCIEventInquiryComplete* inquiry_complete = (SHCIEventInquiryComplete*)event.buffer;
inquiry_complete->EventType = HCI_EVENT_INQUIRY_COMPL;
inquiry_complete->PayloadLength = sizeof(SHCIEventInquiryComplete) - 2;
inquiry_complete->EventStatus = 0x00;
AddEventToQueue(event);
DEBUG_LOG(IOS_WIIMOTE, "Event: Inquiry complete");
return true;
}
bool BluetoothEmu::SendEventInquiryResponse()
{
if (m_wiimotes.empty())
return false;
DEBUG_ASSERT(sizeof(SHCIEventInquiryResult) - 2 +
(m_wiimotes.size() * sizeof(hci_inquiry_response)) <
256);
SQueuedEvent event(static_cast<u32>(sizeof(SHCIEventInquiryResult) +
m_wiimotes.size() * sizeof(hci_inquiry_response)),
0);
SHCIEventInquiryResult* inquiry_result = (SHCIEventInquiryResult*)event.buffer;
inquiry_result->EventType = HCI_EVENT_INQUIRY_RESULT;
inquiry_result->PayloadLength =
(u8)(sizeof(SHCIEventInquiryResult) - 2 + (m_wiimotes.size() * sizeof(hci_inquiry_response)));
inquiry_result->num_responses = (u8)m_wiimotes.size();
for (size_t i = 0; i < m_wiimotes.size(); i++)
{
if (m_wiimotes[i].IsConnected())
continue;
u8* buffer = event.buffer + sizeof(SHCIEventInquiryResult) + i * sizeof(hci_inquiry_response);
hci_inquiry_response* response = (hci_inquiry_response*)buffer;
response->bdaddr = m_wiimotes[i].GetBD();
response->uclass[0] = m_wiimotes[i].GetClass()[0];
response->uclass[1] = m_wiimotes[i].GetClass()[1];
response->uclass[2] = m_wiimotes[i].GetClass()[2];
response->page_scan_rep_mode = 1;
response->page_scan_period_mode = 0;
response->page_scan_mode = 0;
response->clock_offset = 0x3818;
DEBUG_LOG(IOS_WIIMOTE, "Event: Send Fake Inquiry of one controller");
DEBUG_LOG(IOS_WIIMOTE, " bd: %02x:%02x:%02x:%02x:%02x:%02x", response->bdaddr[0],
response->bdaddr[1], response->bdaddr[2], response->bdaddr[3], response->bdaddr[4],
response->bdaddr[5]);
}
AddEventToQueue(event);
return true;
}
bool BluetoothEmu::SendEventConnectionComplete(const bdaddr_t& bd)
{
WiimoteDevice* wiimote = AccessWiimote(bd);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventConnectionComplete), 0);
SHCIEventConnectionComplete* connection_complete = (SHCIEventConnectionComplete*)event.buffer;
connection_complete->EventType = HCI_EVENT_CON_COMPL;
connection_complete->PayloadLength = sizeof(SHCIEventConnectionComplete) - 2;
connection_complete->EventStatus = 0x00;
connection_complete->Connection_Handle = wiimote->GetConnectionHandle();
connection_complete->bdaddr = bd;
connection_complete->LinkType = HCI_LINK_ACL;
connection_complete->EncryptionEnabled = HCI_ENCRYPTION_MODE_NONE;
AddEventToQueue(event);
WiimoteDevice* connection_wiimote = AccessWiimote(connection_complete->Connection_Handle);
if (connection_wiimote)
connection_wiimote->EventConnectionAccepted();
static constexpr const char* link_type[] = {
"HCI_LINK_SCO 0x00 - Voice",
"HCI_LINK_ACL 0x01 - Data",
"HCI_LINK_eSCO 0x02 - eSCO",
};
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventConnectionComplete");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x", connection_complete->Connection_Handle);
DEBUG_LOG(IOS_WIIMOTE, " bd: %02x:%02x:%02x:%02x:%02x:%02x", connection_complete->bdaddr[0],
connection_complete->bdaddr[1], connection_complete->bdaddr[2],
connection_complete->bdaddr[3], connection_complete->bdaddr[4],
connection_complete->bdaddr[5]);
DEBUG_LOG(IOS_WIIMOTE, " LinkType: %s", link_type[connection_complete->LinkType]);
DEBUG_LOG(IOS_WIIMOTE, " EncryptionEnabled: %i", connection_complete->EncryptionEnabled);
return true;
}
// This is called from Update() after ScanEnable has been enabled.
bool BluetoothEmu::SendEventRequestConnection(const WiimoteDevice& wiimote)
{
SQueuedEvent event(sizeof(SHCIEventRequestConnection), 0);
SHCIEventRequestConnection* event_request_connection = (SHCIEventRequestConnection*)event.buffer;
event_request_connection->EventType = HCI_EVENT_CON_REQ;
event_request_connection->PayloadLength = sizeof(SHCIEventRequestConnection) - 2;
event_request_connection->bdaddr = wiimote.GetBD();
event_request_connection->uclass[0] = wiimote.GetClass()[0];
event_request_connection->uclass[1] = wiimote.GetClass()[1];
event_request_connection->uclass[2] = wiimote.GetClass()[2];
event_request_connection->LinkType = HCI_LINK_ACL;
AddEventToQueue(event);
static constexpr const char* link_type[] = {
"HCI_LINK_SCO 0x00 - Voice",
"HCI_LINK_ACL 0x01 - Data",
"HCI_LINK_eSCO 0x02 - eSCO",
};
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventRequestConnection");
DEBUG_LOG(IOS_WIIMOTE, " bd: %02x:%02x:%02x:%02x:%02x:%02x", event_request_connection->bdaddr[0],
event_request_connection->bdaddr[1], event_request_connection->bdaddr[2],
event_request_connection->bdaddr[3], event_request_connection->bdaddr[4],
event_request_connection->bdaddr[5]);
DEBUG_LOG(IOS_WIIMOTE, " COD[0]: 0x%02x", event_request_connection->uclass[0]);
DEBUG_LOG(IOS_WIIMOTE, " COD[1]: 0x%02x", event_request_connection->uclass[1]);
DEBUG_LOG(IOS_WIIMOTE, " COD[2]: 0x%02x", event_request_connection->uclass[2]);
DEBUG_LOG(IOS_WIIMOTE, " LinkType: %s", link_type[event_request_connection->LinkType]);
return true;
}
bool BluetoothEmu::SendEventDisconnect(u16 connection_handle, u8 reason)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventDisconnectCompleted), connection_handle);
SHCIEventDisconnectCompleted* disconnect = (SHCIEventDisconnectCompleted*)event.buffer;
disconnect->EventType = HCI_EVENT_DISCON_COMPL;
disconnect->PayloadLength = sizeof(SHCIEventDisconnectCompleted) - 2;
disconnect->EventStatus = 0;
disconnect->Connection_Handle = connection_handle;
disconnect->Reason = reason;
AddEventToQueue(event);
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventDisconnect");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x", disconnect->Connection_Handle);
DEBUG_LOG(IOS_WIIMOTE, " Reason: 0x%02x", disconnect->Reason);
return true;
}
bool BluetoothEmu::SendEventAuthenticationCompleted(u16 connection_handle)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventAuthenticationCompleted), connection_handle);
SHCIEventAuthenticationCompleted* event_authentication_completed =
(SHCIEventAuthenticationCompleted*)event.buffer;
event_authentication_completed->EventType = HCI_EVENT_AUTH_COMPL;
event_authentication_completed->PayloadLength = sizeof(SHCIEventAuthenticationCompleted) - 2;
event_authentication_completed->EventStatus = 0;
event_authentication_completed->Connection_Handle = connection_handle;
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventAuthenticationCompleted");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x",
event_authentication_completed->Connection_Handle);
AddEventToQueue(event);
return true;
}
bool BluetoothEmu::SendEventRemoteNameReq(const bdaddr_t& bd)
{
WiimoteDevice* wiimote = AccessWiimote(bd);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventRemoteNameReq), 0);
SHCIEventRemoteNameReq* remote_name_req = (SHCIEventRemoteNameReq*)event.buffer;
remote_name_req->EventType = HCI_EVENT_REMOTE_NAME_REQ_COMPL;
remote_name_req->PayloadLength = sizeof(SHCIEventRemoteNameReq) - 2;
remote_name_req->EventStatus = 0x00;
remote_name_req->bdaddr = bd;
strcpy((char*)remote_name_req->RemoteName, wiimote->GetName());
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventRemoteNameReq");
DEBUG_LOG(IOS_WIIMOTE, " bd: %02x:%02x:%02x:%02x:%02x:%02x", remote_name_req->bdaddr[0],
remote_name_req->bdaddr[1], remote_name_req->bdaddr[2], remote_name_req->bdaddr[3],
remote_name_req->bdaddr[4], remote_name_req->bdaddr[5]);
DEBUG_LOG(IOS_WIIMOTE, " RemoteName: %s", remote_name_req->RemoteName);
AddEventToQueue(event);
return true;
}
bool BluetoothEmu::SendEventReadRemoteFeatures(u16 connection_handle)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventReadRemoteFeatures), connection_handle);
SHCIEventReadRemoteFeatures* read_remote_features = (SHCIEventReadRemoteFeatures*)event.buffer;
read_remote_features->EventType = HCI_EVENT_READ_REMOTE_FEATURES_COMPL;
read_remote_features->PayloadLength = sizeof(SHCIEventReadRemoteFeatures) - 2;
read_remote_features->EventStatus = 0x00;
read_remote_features->ConnectionHandle = connection_handle;
read_remote_features->features[0] = wiimote->GetFeatures()[0];
read_remote_features->features[1] = wiimote->GetFeatures()[1];
read_remote_features->features[2] = wiimote->GetFeatures()[2];
read_remote_features->features[3] = wiimote->GetFeatures()[3];
read_remote_features->features[4] = wiimote->GetFeatures()[4];
read_remote_features->features[5] = wiimote->GetFeatures()[5];
read_remote_features->features[6] = wiimote->GetFeatures()[6];
read_remote_features->features[7] = wiimote->GetFeatures()[7];
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventReadRemoteFeatures");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x", read_remote_features->ConnectionHandle);
DEBUG_LOG(IOS_WIIMOTE, " features: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
read_remote_features->features[0], read_remote_features->features[1],
read_remote_features->features[2], read_remote_features->features[3],
read_remote_features->features[4], read_remote_features->features[5],
read_remote_features->features[6], read_remote_features->features[7]);
AddEventToQueue(event);
return true;
}
bool BluetoothEmu::SendEventReadRemoteVerInfo(u16 connection_handle)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventReadRemoteVerInfo), connection_handle);
SHCIEventReadRemoteVerInfo* read_remote_ver_info = (SHCIEventReadRemoteVerInfo*)event.buffer;
read_remote_ver_info->EventType = HCI_EVENT_READ_REMOTE_VER_INFO_COMPL;
read_remote_ver_info->PayloadLength = sizeof(SHCIEventReadRemoteVerInfo) - 2;
read_remote_ver_info->EventStatus = 0x00;
read_remote_ver_info->ConnectionHandle = connection_handle;
read_remote_ver_info->lmp_version = wiimote->GetLMPVersion();
read_remote_ver_info->manufacturer = wiimote->GetManufactorID();
read_remote_ver_info->lmp_subversion = wiimote->GetLMPSubVersion();
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventReadRemoteVerInfo");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x", read_remote_ver_info->ConnectionHandle);
DEBUG_LOG(IOS_WIIMOTE, " lmp_version: 0x%02x", read_remote_ver_info->lmp_version);
DEBUG_LOG(IOS_WIIMOTE, " manufacturer: 0x%04x", read_remote_ver_info->manufacturer);
DEBUG_LOG(IOS_WIIMOTE, " lmp_subversion: 0x%04x", read_remote_ver_info->lmp_subversion);
AddEventToQueue(event);
return true;
}
void BluetoothEmu::SendEventCommandComplete(u16 opcode, const void* data, u32 data_size)
{
DEBUG_ASSERT((sizeof(SHCIEventCommand) - 2 + data_size) < 256);
SQueuedEvent event(sizeof(SHCIEventCommand) + data_size, 0);
SHCIEventCommand* hci_event = reinterpret_cast<SHCIEventCommand*>(event.buffer);
hci_event->EventType = HCI_EVENT_COMMAND_COMPL;
hci_event->PayloadLength = (u8)(sizeof(SHCIEventCommand) - 2 + data_size);
hci_event->PacketIndicator = 0x01;
hci_event->Opcode = opcode;
// add the payload
if (data != nullptr && data_size > 0)
{
u8* payload = event.buffer + sizeof(SHCIEventCommand);
memcpy(payload, data, data_size);
}
DEBUG_LOG(IOS_WIIMOTE, "Event: Command Complete (Opcode: 0x%04x)", hci_event->Opcode);
AddEventToQueue(event);
}
bool BluetoothEmu::SendEventCommandStatus(u16 opcode)
{
SQueuedEvent event(sizeof(SHCIEventStatus), 0);
SHCIEventStatus* hci_event = (SHCIEventStatus*)event.buffer;
hci_event->EventType = HCI_EVENT_COMMAND_STATUS;
hci_event->PayloadLength = sizeof(SHCIEventStatus) - 2;
hci_event->EventStatus = 0x0;
hci_event->PacketIndicator = 0x01;
hci_event->Opcode = opcode;
INFO_LOG(IOS_WIIMOTE, "Event: Command Status (Opcode: 0x%04x)", hci_event->Opcode);
AddEventToQueue(event);
return true;
}
bool BluetoothEmu::SendEventRoleChange(bdaddr_t bd, bool master)
{
WiimoteDevice* wiimote = AccessWiimote(bd);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventRoleChange), 0);
SHCIEventRoleChange* role_change = (SHCIEventRoleChange*)event.buffer;
role_change->EventType = HCI_EVENT_ROLE_CHANGE;
role_change->PayloadLength = sizeof(SHCIEventRoleChange) - 2;
role_change->EventStatus = 0x00;
role_change->bdaddr = bd;
role_change->NewRole = master ? 0x00 : 0x01;
AddEventToQueue(event);
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventRoleChange");
DEBUG_LOG(IOS_WIIMOTE, " bd: %02x:%02x:%02x:%02x:%02x:%02x", role_change->bdaddr[0],
role_change->bdaddr[1], role_change->bdaddr[2], role_change->bdaddr[3],
role_change->bdaddr[4], role_change->bdaddr[5]);
DEBUG_LOG(IOS_WIIMOTE, " NewRole: %i", role_change->NewRole);
return true;
}
bool BluetoothEmu::SendEventNumberOfCompletedPackets()
{
SQueuedEvent event((u32)(sizeof(hci_event_hdr_t) + sizeof(hci_num_compl_pkts_ep) +
(sizeof(hci_num_compl_pkts_info) * m_wiimotes.size())),
0);
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventNumberOfCompletedPackets");
auto* event_hdr = (hci_event_hdr_t*)event.buffer;
auto* hci_event = (hci_num_compl_pkts_ep*)((u8*)event_hdr + sizeof(hci_event_hdr_t));
auto* info = (hci_num_compl_pkts_info*)((u8*)hci_event + sizeof(hci_num_compl_pkts_ep));
event_hdr->event = HCI_EVENT_NUM_COMPL_PKTS;
event_hdr->length = sizeof(hci_num_compl_pkts_ep);
hci_event->num_con_handles = 0;
u32 acc = 0;
for (unsigned int i = 0; i < m_wiimotes.size(); i++)
{
event_hdr->length += sizeof(hci_num_compl_pkts_info);
hci_event->num_con_handles++;
info->compl_pkts = m_packet_count[i];
info->con_handle = m_wiimotes[i].GetConnectionHandle();
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x", info->con_handle);
DEBUG_LOG(IOS_WIIMOTE, " Number_Of_Completed_Packets: %i", info->compl_pkts);
acc += info->compl_pkts;
m_packet_count[i] = 0;
info++;
}
if (acc)
{
AddEventToQueue(event);
}
else
{
DEBUG_LOG(IOS_WIIMOTE, "SendEventNumberOfCompletedPackets: no packets; no event");
}
return true;
}
bool BluetoothEmu::SendEventModeChange(u16 connection_handle, u8 mode, u16 value)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventModeChange), connection_handle);
SHCIEventModeChange* mode_change = (SHCIEventModeChange*)event.buffer;
mode_change->EventType = HCI_EVENT_MODE_CHANGE;
mode_change->PayloadLength = sizeof(SHCIEventModeChange) - 2;
mode_change->EventStatus = 0;
mode_change->Connection_Handle = connection_handle;
mode_change->CurrentMode = mode;
mode_change->Value = value;
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventModeChange");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x", mode_change->Connection_Handle);
DEBUG_LOG(IOS_WIIMOTE, " Current Mode: 0x%02x", mode_change->CurrentMode = mode);
AddEventToQueue(event);
return true;
}
bool BluetoothEmu::SendEventLinkKeyNotification(const u8 num_to_send)
{
u8 payload_length = sizeof(hci_return_link_keys_ep) + sizeof(hci_link_key_rep_cp) * num_to_send;
SQueuedEvent event(2 + payload_length, 0);
SHCIEventLinkKeyNotification* event_link_key = (SHCIEventLinkKeyNotification*)event.buffer;
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventLinkKeyNotification");
// event header
event_link_key->EventType = HCI_EVENT_RETURN_LINK_KEYS;
event_link_key->PayloadLength = payload_length;
// this is really hci_return_link_keys_ep.num_keys
event_link_key->numKeys = num_to_send;
// copy infos - this only works correctly if we're meant to start at first device and read all
// keys
for (int i = 0; i < num_to_send; i++)
{
hci_link_key_rep_cp* link_key_info =
(hci_link_key_rep_cp*)((u8*)&event_link_key->bdaddr + sizeof(hci_link_key_rep_cp) * i);
link_key_info->bdaddr = m_wiimotes[i].GetBD();
memcpy(link_key_info->key, m_wiimotes[i].GetLinkKey(), HCI_KEY_SIZE);
DEBUG_LOG(IOS_WIIMOTE, " bd: %02x:%02x:%02x:%02x:%02x:%02x", link_key_info->bdaddr[0],
link_key_info->bdaddr[1], link_key_info->bdaddr[2], link_key_info->bdaddr[3],
link_key_info->bdaddr[4], link_key_info->bdaddr[5]);
}
AddEventToQueue(event);
return true;
};
bool BluetoothEmu::SendEventRequestLinkKey(const bdaddr_t& bd)
{
SQueuedEvent event(sizeof(SHCIEventRequestLinkKey), 0);
SHCIEventRequestLinkKey* event_request_link_key = (SHCIEventRequestLinkKey*)event.buffer;
event_request_link_key->EventType = HCI_EVENT_LINK_KEY_REQ;
event_request_link_key->PayloadLength = sizeof(SHCIEventRequestLinkKey) - 2;
event_request_link_key->bdaddr = bd;
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventRequestLinkKey");
DEBUG_LOG(IOS_WIIMOTE, " bd: %02x:%02x:%02x:%02x:%02x:%02x", event_request_link_key->bdaddr[0],
event_request_link_key->bdaddr[1], event_request_link_key->bdaddr[2],
event_request_link_key->bdaddr[3], event_request_link_key->bdaddr[4],
event_request_link_key->bdaddr[5]);
AddEventToQueue(event);
return true;
};
bool BluetoothEmu::SendEventReadClockOffsetComplete(u16 connection_handle)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventReadClockOffsetComplete), connection_handle);
SHCIEventReadClockOffsetComplete* read_clock_offset_complete =
(SHCIEventReadClockOffsetComplete*)event.buffer;
read_clock_offset_complete->EventType = HCI_EVENT_READ_CLOCK_OFFSET_COMPL;
read_clock_offset_complete->PayloadLength = sizeof(SHCIEventReadClockOffsetComplete) - 2;
read_clock_offset_complete->EventStatus = 0x00;
read_clock_offset_complete->ConnectionHandle = connection_handle;
read_clock_offset_complete->ClockOffset = 0x3818;
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventReadClockOffsetComplete");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x",
read_clock_offset_complete->ConnectionHandle);
DEBUG_LOG(IOS_WIIMOTE, " ClockOffset: 0x%04x", read_clock_offset_complete->ClockOffset);
AddEventToQueue(event);
return true;
}
bool BluetoothEmu::SendEventConPacketTypeChange(u16 connection_handle, u16 packet_type)
{
WiimoteDevice* wiimote = AccessWiimote(connection_handle);
if (wiimote == nullptr)
return false;
SQueuedEvent event(sizeof(SHCIEventConPacketTypeChange), connection_handle);
SHCIEventConPacketTypeChange* change_con_packet_type =
(SHCIEventConPacketTypeChange*)event.buffer;
change_con_packet_type->EventType = HCI_EVENT_CON_PKT_TYPE_CHANGED;
change_con_packet_type->PayloadLength = sizeof(SHCIEventConPacketTypeChange) - 2;
change_con_packet_type->EventStatus = 0x00;
change_con_packet_type->ConnectionHandle = connection_handle;
change_con_packet_type->PacketType = packet_type;
DEBUG_LOG(IOS_WIIMOTE, "Event: SendEventConPacketTypeChange");
DEBUG_LOG(IOS_WIIMOTE, " Connection_Handle: 0x%04x", change_con_packet_type->ConnectionHandle);
DEBUG_LOG(IOS_WIIMOTE, " PacketType: 0x%04x", change_con_packet_type->PacketType);
AddEventToQueue(event);
return true;
}
// Command dispatcher
// This is called from the USB::IOCTLV_USBV0_CTRLMSG Ioctlv
void BluetoothEmu::ExecuteHCICommandMessage(const USB::V0CtrlMessage& ctrl_message)
{
u8* input = Memory::GetPointer(ctrl_message.data_address + 3);
SCommandMessage* msg = (SCommandMessage*)Memory::GetPointer(ctrl_message.data_address);
u16 ocf = HCI_OCF(msg->Opcode);
u16 ogf = HCI_OGF(msg->Opcode);
DEBUG_LOG(IOS_WIIMOTE, "**************************************************");
DEBUG_LOG(IOS_WIIMOTE, "Execute HCI Command: 0x%04x (ocf: 0x%02x, ogf: 0x%02x)", msg->Opcode, ocf,
ogf);
switch (msg->Opcode)
{
//
// --- read commands ---
//
case HCI_CMD_RESET:
CommandReset(input);
break;
case HCI_CMD_READ_BUFFER_SIZE:
CommandReadBufferSize(input);
break;
case HCI_CMD_READ_LOCAL_VER:
CommandReadLocalVer(input);
break;
case HCI_CMD_READ_BDADDR:
CommandReadBDAdrr(input);
break;
case HCI_CMD_READ_LOCAL_FEATURES:
CommandReadLocalFeatures(input);
break;
case HCI_CMD_READ_STORED_LINK_KEY:
CommandReadStoredLinkKey(input);
break;
case HCI_CMD_WRITE_UNIT_CLASS:
CommandWriteUnitClass(input);
break;
case HCI_CMD_WRITE_LOCAL_NAME:
CommandWriteLocalName(input);
break;
case HCI_CMD_WRITE_PIN_TYPE:
CommandWritePinType(input);
break;
case HCI_CMD_HOST_BUFFER_SIZE:
CommandHostBufferSize(input);