void CLCDOutput::EnumerateDevices()
{
lgLcdDeviceDescEx descEx;
if (LGLCD_INVALID_CONNECTION == m_hConnection)
{
if (ERROR_SUCCESS == lgLcdConnectEx(&m_lcdConnectCtxEx))
{
// make sure we don't work with a stale device handle
m_hConnection = m_lcdConnectCtxEx.connection;
m_hDevice = LGLCD_INVALID_CONNECTION;
}
else
{
return;
}
}
// close the lcd device before we open up another
if (LGLCD_INVALID_DEVICE != m_hDevice)
{
lgLcdClose(m_hDevice);
m_hDevice = LGLCD_INVALID_DEVICE;
}
// Setup the device family to use next time
lgLcdSetDeviceFamiliesToUse(m_hConnection, m_dwDeviceFamiliesSupported, m_dwDeviceFamiliesSupportedReserved1);
ZeroMemory(&descEx, sizeof(lgLcdDeviceDescEx));
DWORD res = ERROR_SUCCESS;
res = lgLcdEnumerateEx(m_hConnection, 0, &descEx);
if (ERROR_SUCCESS != res)
{
if(ERROR_NO_MORE_ITEMS != res)
{
// something happened. Let's close this.
CloseAndDisconnect();
}
return;
}
// ERROR_NO_MORE_ITEMS
lgLcdOpenContext open_ctx;
ZeroMemory(&open_ctx, sizeof(open_ctx));
open_ctx.connection = m_hConnection;
open_ctx.index = 0;
res = lgLcdOpen(&open_ctx);
if (ERROR_SUCCESS != res)
return;
m_hDevice = open_ctx.device;
m_dwButtonState = 0;
// restores
SetAsForeground(m_bSetAsForeground);
}
BOOL CLCDOutput::AnyDeviceOfThisFamilyPresent(DWORD dwDeviceFamilyWanted, DWORD dwReserved1)
{
lgLcdDeviceDescEx descEx;
if (LGLCD_INVALID_CONNECTION == m_hConnection)
{
if (ERROR_SUCCESS == lgLcdConnectEx(&m_lcdConnectCtxEx))
{
// make sure we don't work with a stale device handle
m_hConnection = m_lcdConnectCtxEx.connection;
m_hDevice = LGLCD_INVALID_CONNECTION;
}
else
{
return FALSE;
}
}
// Setup the device family to use next time
lgLcdSetDeviceFamiliesToUse(m_hConnection, dwDeviceFamilyWanted, dwReserved1);
ZeroMemory(&descEx, sizeof(lgLcdDeviceDescEx));
DWORD res = ERROR_SUCCESS;
res = lgLcdEnumerateEx(m_hConnection, 0, &descEx);
if (ERROR_SUCCESS != res)
{
if(ERROR_NO_MORE_ITEMS != res)
{
// something happened. Let's close this.
CloseAndDisconnect();
return FALSE;
}
// Go back to the previous device family we were using
lgLcdSetDeviceFamiliesToUse(m_hConnection, m_dwDeviceFamiliesSupported,
m_dwDeviceFamiliesSupportedReserved1);
return FALSE;
}
// Go back to what was being used
lgLcdSetDeviceFamiliesToUse(m_hConnection, m_dwDeviceFamiliesSupported,
m_dwDeviceFamiliesSupportedReserved1);
return TRUE;
}
static int lcd_init (void)
{
DWORD ret;
lgLcdOpenContext octx;
HBITMAP bmp;
BITMAP binfo;
HDC dc;
int x, y;
old_pri = 0;
ret = lgLcdInit ();
if (ret != ERROR_SUCCESS) {
if (ret == RPC_S_SERVER_UNAVAILABLE || ret == ERROR_OLD_WIN_VERSION) {
write_log (_T("LCD: Logitech LCD system not detected\n"));
return 0;
}
write_log (_T("LCD: lgLcdInit() returned %d\n"), ret);
return 0;
}
memset (&cctx, 0, sizeof (cctx));
cctx.appFriendlyName = _T("WinUAE");
cctx.isPersistent = TRUE;
cctx.isAutostartable = FALSE;
ret = lgLcdConnect (&cctx);
if (ret != ERROR_SUCCESS) {
write_log (_T("LCD: lgLcdConnect() returned %d\n"), ret);
lcd_close ();
return 0;
}
ret = lgLcdEnumerateEx (cctx.connection, 0, &desc);
if (ret != ERROR_SUCCESS) {
write_log (_T("LCD: lgLcdEnumerateEx() returned %d\n"), ret);
lcd_close ();
return 0;
}
lbh = (lgLcdBitmapHeader*)xcalloc (uae_u8, sizeof (lgLcdBitmapHeader) + desc.Width * (desc.Height + 20));
lbh->Format = LGLCD_BMP_FORMAT_160x43x1;
bitmap = (uae_u8*)lbh + sizeof (lgLcdBitmapHeader);
origbitmap = xcalloc (uae_u8, desc.Width * desc.Height);
memset (&octx, 0, sizeof (octx));
octx.connection = cctx.connection;
octx.index = 0;
ret = lgLcdOpen (&octx);
if (ret != ERROR_SUCCESS) {
write_log (_T("LCD: lgLcdOpen() returned %d\n"), ret);
lcd_close ();
return 0;
}
device = octx.device;
bmp = LoadBitmap (hInst, MAKEINTRESOURCE(IDB_LCD160X43));
dc = CreateCompatibleDC (NULL);
SelectObject (dc, bmp);
GetObject (bmp, sizeof (binfo), &binfo);
for (y = 0; y < binfo.bmHeight; y++) {
for (x = 0; x < binfo.bmWidth; x++) {
bitmap[y * binfo.bmWidth + x] = GetPixel (dc, x, y) == 0 ? 0xff : 0;
}
}
numbers = bitmap + desc.Width * desc.Height;
memcpy (origbitmap, bitmap, desc.Width * desc.Height);
DeleteDC (dc);
write_log (_T("LCD: '%s' enabled\n"), desc.deviceDisplayName);
return 1;
}