bool LH_LgLcdCallbackThread::render( int conn )
{
// Close open contexts no longer in use
if( !bw_bm.hdr.Format && bw_cxt.device != LGLCD_INVALID_DEVICE )
{
lgLcdClose(bw_cxt.device);
bw_cxt.device = LGLCD_INVALID_DEVICE;
}
if( !qvga_bm.hdr.Format && qvga_cxt.device != LGLCD_INVALID_DEVICE )
{
lgLcdClose(qvga_cxt.device);
qvga_cxt.device = LGLCD_INVALID_DEVICE;
}
// Open context that are available and needed
if( bw_bm.hdr.Format && bw_cxt.device == LGLCD_INVALID_DEVICE )
{
Q_ASSERT( bw_cxt.onSoftbuttonsChanged.softbuttonsChangedContext == this );
bw_cxt.connection = conn;
if( LCD_ERR( lgLcdOpenByType(&bw_cxt) ) )
lgLcdSetAsLCDForegroundApp(bw_cxt.device,LGLCD_LCD_FOREGROUND_APP_YES);
}
if( qvga_bm.hdr.Format && qvga_cxt.device == LGLCD_INVALID_DEVICE )
{
Q_ASSERT( qvga_cxt.onSoftbuttonsChanged.softbuttonsChangedContext == this );
qvga_cxt.connection = conn;
if( LCD_ERR( lgLcdOpenByType(&qvga_cxt) ) )
lgLcdSetAsLCDForegroundApp(qvga_cxt.device,LGLCD_LCD_FOREGROUND_APP_YES);
}
// Push bits to open devices that has images
if( bw_cxt.device != LGLCD_INVALID_DEVICE && bw_bm.hdr.Format )
{
if( lgLcdUpdateBitmap( bw_cxt.device, &bw_bm.hdr, LGLCD_PRIORITY_NORMAL ) != ERROR_SUCCESS )
{
lgLcdClose(bw_cxt.device);
bw_cxt.device = LGLCD_INVALID_DEVICE;
}
}
if( qvga_cxt.device != LGLCD_INVALID_DEVICE && qvga_bm.hdr.Format )
{
if( lgLcdUpdateBitmap( qvga_cxt.device, &qvga_bm.hdr, LGLCD_PRIORITY_NORMAL ) != ERROR_SUCCESS )
{
lgLcdClose(qvga_cxt.device);
qvga_cxt.device = LGLCD_INVALID_DEVICE;
}
}
return true;
}
BOOL CLCDOutput::OpenByType(lgLcdOpenByTypeContext &OpenContext)
{
//Close the old device if there is one
Close();
DWORD res = lgLcdOpenByType(&OpenContext);
if (ERROR_SUCCESS != res)
{
if( res == ERROR_INVALID_PARAMETER )
{
LCDUITRACE( _T("Open failed: invalid parameter.\n") );
return FALSE;
}
else if( res == ERROR_ALREADY_EXISTS )
{
LCDUITRACE( _T("Open failed: already exists.\n") );
return FALSE;
}
return FALSE;
}
m_hDevice = OpenContext.device;
m_dwButtonState = 0;
// restores
SetAsForeground(m_bSetAsForeground);
m_OpenByTypeContext = OpenContext;
OnOpenedDevice(m_hDevice);
return TRUE;
}
void connectLCD()
{
if (!notConnected) {
//connecting to LCDmon
lgLcdConnectContext connection;
ZeroMemory(&connection, sizeof(connection));
connection.appFriendlyName = L"KCV Warner Bros";
connection.isAutostartable = FALSE;
connection.isPersistent = FALSE;
connection.onConfigure.configCallback = NULL;
connection.onConfigure.configContext = NULL;
connection.connection = LGLCD_INVALID_CONNECTION;
notConnected = lgLcdConnect(&connection);
//connect to a compatible device
lgLcdOpenByTypeContext opener;
lgLcdSoftbuttonsChangedContext buttonCB;
buttonCB.softbuttonsChangedCallback = buttonCall;
ZeroMemory(&opener, sizeof(opener));
opener.connection = connection.connection;
opener.deviceType = LGLCD_DEVICE_BW;
opener.onSoftbuttonsChanged = buttonCB;
lgLcdOpenByType(&opener);
//opener.onSoftbuttonsChanged = buttonHandler;
}
}
void G15LCDDeviceLGLCD::setEnabled(bool b) {
bEnabled = b;
if (bEnabled && (engine->llcContext.device == LGLCD_INVALID_DEVICE)) {
ZeroMemory(&engine->llcContext, sizeof(engine->llcContext));
engine->llcContext.connection = engine->llcceConnect.connection;
engine->llcContext.device = LGLCD_INVALID_DEVICE;
engine->llcContext.deviceType =LGLCD_DEVICE_BW;
DWORD dwErr = lgLcdOpenByType(&engine->llcContext);
} else if (! bEnabled && (engine->llcContext.device != LGLCD_INVALID_DEVICE)) {
lgLcdClose(engine->llcContext.device);
engine->llcContext.device = LGLCD_INVALID_DEVICE;
}
}
//************************************************************************
// connects to the device
//************************************************************************
bool CLCDConnectionLogitech::Connect(int iIndex)
{
DWORD rc;
lgLcdOpenByTypeContext OpenContext;
if (m_bConnected && (iIndex == 0 || iIndex == GetConnectedDevice()->GetIndex()))
return true;
if (m_hConnection == LGLCD_INVALID_CONNECTION)
{
rc = lgLcdConnectEx(&m_connectContext);
// establish the connection
if (ERROR_SUCCESS == rc)
{
m_hConnection = m_connectContext.connection;
m_hDevice = LGLCD_INVALID_CONNECTION;
TRACE(_T("CLCDConnectionLogitech: Connection to LCDManager established successfully!\n"));
}
else {
return false;
}
}
// check if the specified device exists
m_pConnectedDevice = GetAttachedDevice(iIndex);
if (m_pConnectedDevice == NULL) {
iIndex = (!iIndex || iIndex == LGLCD_DEVICE_BW) ? LGLCD_DEVICE_BW : LGLCD_DEVICE_QVGA;
m_pConnectedDevice = GetAttachedDevice(iIndex);
if (m_pConnectedDevice == NULL) {
return false;
}
}
// close the lcd device before we open up another
if (LGLCD_INVALID_DEVICE != m_hDevice) {
Disconnect();
}
// Now lets open the LCD. We must initialize the g_OpenContext structure.
memset(&OpenContext, 0, sizeof(OpenContext));
OpenContext.connection = m_hConnection;
OpenContext.deviceType = m_pConnectedDevice->GetIndex();//LGLCD_DEVICE_QVGA;
OpenContext.device = LGLCD_INVALID_DEVICE;
// softbutton callbacks are not needed
OpenContext.onSoftbuttonsChanged.softbuttonsChangedCallback = softButtonCallback;
OpenContext.onSoftbuttonsChanged.softbuttonsChangedContext = (PVOID)this;
// open the lcd
rc = lgLcdOpenByType(&OpenContext);
// failed to open the lcd
if (rc != ERROR_SUCCESS)
return false;
m_hDevice = OpenContext.device;
// Create the pixel buffer
m_lcdBitmap.hdr.Format = OpenContext.deviceType == LGLCD_DEVICE_QVGA ? LGLCD_BMP_FORMAT_QVGAx32 : LGLCD_BMP_FORMAT_160x43x1;
if (m_pDrawingBuffer != NULL) {
free(m_pDrawingBuffer);
}
m_pPixels = OpenContext.deviceType == LGLCD_DEVICE_QVGA ? m_lcdBitmap.bmp_qvga32.pixels : m_lcdBitmap.bmp_mono.pixels;
m_iPixels = OpenContext.deviceType == LGLCD_DEVICE_QVGA ? sizeof(m_lcdBitmap.bmp_qvga32.pixels) : sizeof(m_lcdBitmap.bmp_mono.pixels);
m_pDrawingBuffer = (PBYTE)malloc(m_iPixels);
memset(m_pDrawingBuffer, 0, m_iPixels);
m_iPriority = LGLCD_PRIORITY_NORMAL;
m_bConnected = true;
HIDInit();
m_bReconnect = true;
CLCDOutputManager::GetInstance()->OnDeviceConnected();
return true;
}
int main(int argc, char *argv[]) {
int dwErr;
BOOL bDetect = FALSE;
int i;
lgLcdConnectContextEx conn;
lgLcdOpenByTypeContext ctx;
lgLcdBitmap160x43x1 bitmap;
if (argc > 1 && (strcmp(argv[1], "/detect") == 0)) {
warn("Detect mode!");
bDetect = TRUE;
} else if (!(argc > 1) || (strcmp(argv[1], "/mumble") != 0)) {
CFUserNotificationDisplayAlert(0, 0, NULL, NULL, NULL, CFSTR("Nothing to see here"), CFSTR("This program is run by Mumble, and should not be started separately."), CFSTR("OK"), NULL, NULL, NULL);
return 0;
}
/*
* Clear and set up initial structures.
*/
memset(&conn, 0, sizeof(conn));
memset(&ctx, 0, sizeof(ctx));
memset(&bitmap, 0, sizeof(bitmap));
conn.appFriendlyName = G15_WIDGET_NAME;
conn.isAutostartable = FALSE;
conn.isPersistent = FALSE;
conn.dwAppletCapabilitiesSupported =LGLCD_APPLET_CAP_BASIC | LGLCD_APPLET_CAP_BW;
conn.connection = LGLCD_INVALID_CONNECTION;
/*
* Initialize and connect.
*/
dwErr = lgLcdInit();
if (dwErr != ERROR_SUCCESS)
die(G15_ERR_INIT, "Unable to initialize Logitech LCD library. (Error: %i)", dwErr);
dwErr = lgLcdConnectEx(&conn);
if (dwErr != ERROR_SUCCESS)
die(G15_ERR_CONNECT, "Unable to connect to Logitech LCD manager. (Error: %i)", dwErr);
ctx.connection = conn.connection;
ctx.device = LGLCD_INVALID_DEVICE;
ctx.deviceType =LGLCD_DEVICE_BW;
dwErr = lgLcdOpenByType(&ctx);
warn("That returned %d %d", dwErr, ERROR_SUCCESS);
if (bDetect)
return (dwErr != ERROR_SUCCESS);
else if (dwErr != ERROR_SUCCESS)
die(G15_ERR_OPEN, "Unable to open device. (Error: %i)", dwErr);
/*
* Diplay buffer format.
*/
bitmap.hdr.Format = LGLCD_BMP_FORMAT_160x43x1;
/*
* Main drawing loop.
*/
while (1) {
int ret;
int remain = 0;
BYTE bPriority;
ret = read(0, &bPriority, 1);
if (ret == -1 || ret != 1)
die(G15_ERR_READFILE, "Error while reading priority.");
do {
ret = read(0, bitmap.pixels + remain, G15_MAX_FBMEM - remain);
if (ret < 1)
die(G15_ERR_READFILE, "Error while reading framebuffer. %d (%s)", ret, strerror(errno));
remain += ret;
} while (remain < G15_MAX_FBMEM);
dwErr = lgLcdUpdateBitmap(ctx.device, (const lgLcdBitmapHeader *) &bitmap, bPriority ? LGLCD_SYNC_UPDATE(LGLCD_PRIORITY_ALERT) : LGLCD_SYNC_UPDATE(LGLCD_PRIORITY_NORMAL));
if (dwErr != ERROR_SUCCESS)
warn("Unable to update bitmap for device #%i successfully. (Error: %i)", i, dwErr);
}
/*
* Close device connections.
*/
dwErr = lgLcdClose(ctx.device);
if (dwErr != ERROR_SUCCESS)
die(G15_ERR_CLOSE, "Unable to close LCD device. (Error: %i)", dwErr);
/*
* Disconnect from LCD monitor.
*/
dwErr = lgLcdDisconnect(conn.connection);
if (dwErr != ERROR_SUCCESS)
die(G15_ERR_DISCONNECT, "Unable to disconnect from LCD manager. (Error: %i)", dwErr);
/*
* Deinitialize G15 library.
*/
dwErr = lgLcdDeInit();
if (dwErr != ERROR_SUCCESS)
die(G15_ERR_DEINIT, "Unable to deinitialize LCD library. (Error: %i)", dwErr);
warn("Terminated successfully.");
return 0;
}