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Added a method for detecting Wiimote extension. 

This is run before a Wiimote will be considered.
This commit is contained in:
Matthew Parlane 2013-05-21 21:42:19 +12:00
parent 56976ad6ea
commit e2b0632334
2 changed files with 250 additions and 80 deletions
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319
Source/Core/Core/Src/HW/WiimoteReal/IOWin.cpp
View File

@ -139,6 +139,10 @@ inline void init_lib()
namespace WiimoteReal
{
int _IOWrite(HANDLE &dev_handle, OVERLAPPED &hid_overlap_write, enum win_bt_stack_t &stack, const u8* buf, int len);
int _IORead(HANDLE &dev_handle, OVERLAPPED &hid_overlap_read, u8* buf, int index);
template <typename T>
void ProcessWiimotes(bool new_scan, T& callback);
@ -215,30 +219,20 @@ void WiimoteScanner::FindWiimotes(std::vector<Wiimote*> & found_wiimotes, Wiimot
{
auto const wm = new Wiimote;
wm->devicepath = detail_data->DevicePath;
bool real_wiimote = false, is_bb = false;
TCHAR name[128] = {};
HANDLE dev_handle = CreateFile(wm->devicepath.c_str(),
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);
if (dev_handle != INVALID_HANDLE_VALUE &&
HidD_GetProductString(dev_handle, name, 128) &&
IsBalanceBoardName(TStrToUTF8(name)))
CheckDeviceType(wm->devicepath, real_wiimote, is_bb);
if (is_bb)
{
found_board = wm;
}
else
else if (real_wiimote)
{
found_wiimotes.push_back(wm);
}
if (dev_handle != INVALID_HANDLE_VALUE)
else
{
CloseHandle(dev_handle);
free(wm);
}
}
@ -252,6 +246,169 @@ void WiimoteScanner::FindWiimotes(std::vector<Wiimote*> & found_wiimotes, Wiimot
// SLEEP(2000);
}
int CheckDeviceType_Write(HANDLE &dev_handle, const u8* buf, int size, int attempts)
{
OVERLAPPED hid_overlap_write = OVERLAPPED();
hid_overlap_write.hEvent = CreateEvent(NULL, true, false, NULL);
enum win_bt_stack_t stack = MSBT_STACK_UNKNOWN;
DWORD written = 0;
for (; attempts>0; --attempts)
{
if (_IOWrite(dev_handle, hid_overlap_write, stack, buf, size))
{
auto const wait_result = WaitForSingleObject(hid_overlap_write.hEvent, WIIMOTE_DEFAULT_TIMEOUT);
if (WAIT_TIMEOUT == wait_result)
{
WARN_LOG(WIIMOTE, "CheckDeviceType_Write: A timeout occurred on writing to Wiimote.");
CancelIo(dev_handle);
continue;
}
else if (WAIT_FAILED == wait_result)
{
WARN_LOG(WIIMOTE, "CheckDeviceType_Write: A wait error occurred on writing to Wiimote.");
CancelIo(dev_handle);
continue;
}
if (GetOverlappedResult(dev_handle, &hid_overlap_write, &written, TRUE))
{
break;
}
}
}
CloseHandle(hid_overlap_write.hEvent);
return written;
}
int CheckDeviceType_Read(HANDLE &dev_handle, u8* buf, int attempts)
{
OVERLAPPED hid_overlap_read = OVERLAPPED();
hid_overlap_read.hEvent = CreateEvent(NULL, true, false, NULL);
int read = 0;
for (; attempts>0; --attempts)
{
read = _IORead(dev_handle, hid_overlap_read, buf, 1);
if (read > 0)
break;
}
CloseHandle(hid_overlap_read.hEvent);
return read;
}
// A convoluted way of checking if a device is a Wii Balance Board and if it is a connectable Wiimote.
// Because nothing on Windows should be easy.
// (We can't seem to easily identify the bluetooth device an HID device belongs to...)
void WiimoteScanner::CheckDeviceType(std::basic_string<TCHAR> &devicepath, bool &real_wiimote, bool &is_bb)
{
real_wiimote = false;
is_bb = false;
#ifdef SHARE_WRITE_WIIMOTES
std::lock_guard<std::mutex> lk(g_connected_wiimotes_lock);
if (g_connected_wiimotes.count(devicepath) != 0)
return;
#endif
HANDLE dev_handle = CreateFile(devicepath.c_str(),
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED,
NULL);
if (dev_handle == INVALID_HANDLE_VALUE)
return;
// enable to only check for official nintendo wiimotes/bb's
bool check_vidpid = false;
HIDD_ATTRIBUTES attrib;
attrib.Size = sizeof(attrib);
if (!check_vidpid ||
(HidD_GetAttributes(dev_handle, &attrib) &&
(attrib.VendorID == 0x057e) &&
(attrib.ProductID == 0x0306)))
{
int rc = 0;
// max_cycles insures we are never stuck here due to bad coding...
int max_cycles = 20;
u8 buf[MAX_PAYLOAD] = {0};
u8 const req_status_report[] = {WM_SET_REPORT | WM_BT_OUTPUT, WM_REQUEST_STATUS, 0};
rc = CheckDeviceType_Write(dev_handle,
req_status_report,
sizeof(req_status_report),
1);
while (rc > 0 && --max_cycles > 0)
{
if ((rc = CheckDeviceType_Read(dev_handle, buf, 1)) <= 0)
break;
switch (buf[1])
{
case WM_STATUS_REPORT:
{
real_wiimote = true;
wm_status_report * wsr = (wm_status_report*)&buf[2];
if (wsr->extension)
{
// Wiimote with extension, we ask it what kind.
u8 read_ext[MAX_PAYLOAD] = {0};
read_ext[0] = WM_SET_REPORT | WM_BT_OUTPUT;
read_ext[1] = WM_READ_DATA;
// Extension type register.
*(u32*)&read_ext[2] = Common::swap32(0x4a400fa);
// Size.
*(u16*)&read_ext[6] = Common::swap16(6);
rc = CheckDeviceType_Write(dev_handle, read_ext, 8, 1);
}
else
{
// Normal Wiimote, exit while and be happy.
rc = -1;
}
break;
}
case WM_ACK_DATA:
{
real_wiimote = true;
break;
}
case WM_READ_DATA_REPLY:
{
wm_read_data_reply * wrdr
= (wm_read_data_reply*)&buf[2];
// Check if it has returned what we asked.
if (Common::swap16(wrdr->address) == 0x00fa)
{
// 0x020420A40000ULL means balance board.
u64 ext_type = (*(u64*)&wrdr->data[0]);
is_bb = ext_type == 0x020420A40000ULL;
}
else
{
ERROR_LOG(WIIMOTE,
"CheckDeviceType: GOT UNREQUESTED ADDRESS %X",
Common::swap16(wrdr->address));
}
// force end
rc = -1;
break;
}
default:
{
// We let read try again incase there is another packet waiting.
// ERROR_LOG(WIIMOTE, "CheckDeviceType: GOT UNKNOWN REPLY: %X", buf[1]);
break;
}
}
}
}
CloseHandle(dev_handle);
}
bool WiimoteScanner::IsReady() const
{
@ -376,7 +533,7 @@ bool Wiimote::IsConnected() const
// positive = read packet
// negative = didn't read packet
// zero = error
int Wiimote::IORead(u8* buf)
int _IORead(HANDLE &dev_handle, OVERLAPPED &hid_overlap_read, u8* buf, int index)
{
// Add data report indicator byte (here, 0xa1)
buf[0] = 0xa1;
@ -429,78 +586,92 @@ int Wiimote::IORead(u8* buf)
return bytes + 1;
}
int Wiimote::IOWrite(const u8* buf, int len)
// positive = read packet
// negative = didn't read packet
// zero = error
int Wiimote::IORead(u8* buf)
{
return _IORead(dev_handle, hid_overlap_read, buf, index);
}
int _IOWrite(HANDLE &dev_handle, OVERLAPPED &hid_overlap_write, enum win_bt_stack_t &stack, const u8* buf, int len)
{
switch (stack)
{
case MSBT_STACK_UNKNOWN:
{
// Try to auto-detect the stack type
stack = MSBT_STACK_BLUESOLEIL;
if (IOWrite(buf, len))
return 1;
stack = MSBT_STACK_MS;
if (IOWrite(buf, len))
return 1;
stack = MSBT_STACK_UNKNOWN;
break;
}
case MSBT_STACK_MS:
{
auto result = HidD_SetOutputReport(dev_handle, const_cast<u8*>(buf) + 1, len - 1);
//FlushFileBuffers(dev_handle);
if (!result)
case MSBT_STACK_UNKNOWN:
{
auto err = GetLastError();
if (err == 121)
// Try to auto-detect the stack type
stack = MSBT_STACK_BLUESOLEIL;
if (_IOWrite(dev_handle, hid_overlap_write, stack, buf, len))
return 1;
stack = MSBT_STACK_MS;
if (_IOWrite(dev_handle, hid_overlap_write, stack, buf, len))
return 1;
stack = MSBT_STACK_UNKNOWN;
break;
}
case MSBT_STACK_MS:
{
auto result = HidD_SetOutputReport(dev_handle, const_cast<u8*>(buf) + 1, len - 1);
//FlushFileBuffers(dev_handle);
if (!result)
{
// Semaphore timeout
NOTICE_LOG(WIIMOTE, "WiimoteIOWrite[MSBT_STACK_MS]: Unable to send data to the Wiimote");
auto err = GetLastError();
if (err == 121)
{
// Semaphore timeout
NOTICE_LOG(WIIMOTE, "WiimoteIOWrite[MSBT_STACK_MS]: Unable to send data to the Wiimote");
}
else
{
WARN_LOG(WIIMOTE, "IOWrite[MSBT_STACK_MS]: ERROR: %08x", err);
}
}
return result;
break;
}
case MSBT_STACK_BLUESOLEIL:
{
u8 big_buf[MAX_PAYLOAD];
if (len < MAX_PAYLOAD)
{
std::copy(buf, buf + len, big_buf);
std::fill(big_buf + len, big_buf + MAX_PAYLOAD, 0);
buf = big_buf;
}
ResetEvent(hid_overlap_write.hEvent);
DWORD bytes = 0;
if (WriteFile(dev_handle, buf + 1, MAX_PAYLOAD - 1, &bytes, &hid_overlap_write))
{
// WriteFile always returns true with bluesoleil.
return 1;
}
else
{
WARN_LOG(WIIMOTE, "IOWrite[MSBT_STACK_MS]: ERROR: %08x", err);
auto const err = GetLastError();
if (ERROR_IO_PENDING == err)
{
CancelIo(dev_handle);
}
}
break;
}
return result;
break;
}
case MSBT_STACK_BLUESOLEIL:
{
u8 big_buf[MAX_PAYLOAD];
if (len < MAX_PAYLOAD)
{
std::copy(buf, buf + len, big_buf);
std::fill(big_buf + len, big_buf + MAX_PAYLOAD, 0);
buf = big_buf;
}
ResetEvent(hid_overlap_write.hEvent);
DWORD bytes = 0;
if (WriteFile(dev_handle, buf + 1, MAX_PAYLOAD - 1, &bytes, &hid_overlap_write))
{
// WriteFile always returns true with bluesoleil.
return 1;
}
else
{
auto const err = GetLastError();
if (ERROR_IO_PENDING == err)
{
CancelIo(dev_handle);
}
}
break;
}
}
return 0;
}
int Wiimote::IOWrite(const u8* buf, int len)
{
return _IOWrite(dev_handle, hid_overlap_write, stack, buf, len);
}
// invokes callback for each found wiimote bluetooth device
template <typename T>
void ProcessWiimotes(bool new_scan, T& callback)

3
Source/Core/Core/Src/HW/WiimoteReal/WiimoteReal.h
View File

@ -137,8 +137,7 @@ private:
volatile bool m_want_bb;
#if defined(_WIN32)
void CheckDeviceType(std::basic_string<TCHAR> &devicepath, bool &real_wiimote, bool &is_bb);
#elif defined(__linux__) && HAVE_BLUEZ
int device_id;
int device_sock;