LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
netPriv * priv;
// Initialise the receiver thread (if it hasn't been done already)
if (!hThread) {
MUTEX_INIT;
hThread = gfxThreadCreate(waNetThread, sizeof(waNetThread), HIGH_PRIORITY, NetThread, 0);
gfxThreadClose(hThread);
}
// Only turn on mouse on the first window for now
#if GINPUT_NEED_MOUSE
if (!g->controllerdisplay) {
mouseDisplay = g;
g->flags |= GDISP_FLG_HASMOUSE;
}
#endif
// Create a private area for this window
if (!(priv = gfxAlloc(sizeof(netPriv))))
gfxHalt("GDISP: uGFXnet - Memory allocation failed");
memset(priv, 0, sizeof(netPriv));
g->priv = priv;
g->board = 0; // no board interface for this controller
// Initialise the GDISP structure
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = 100;
g->g.Contrast = 50;
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
return TRUE;
}
void gtimerStart(GTimer *pt, GTimerFunction fn, void *param, bool_t periodic, delaytime_t millisec) {
gfxMutexEnter(&mutex);
// Start our thread if not already going
if (!hThread) {
hThread = gfxThreadCreate(waTimerThread, GTIMER_THREAD_WORKAREA_SIZE, GTIMER_THREAD_PRIORITY, GTimerThreadHandler, 0);
if (hThread) {gfxThreadClose(hThread);} // We never really need the handle again
}
// Is this already scheduled?
if (pt->flags & GTIMER_FLG_SCHEDULED) {
// Cancel it!
if (pt->next == pt)
pTimerHead = 0;
else {
pt->next->prev = pt->prev;
pt->prev->next = pt->next;
if (pTimerHead == pt)
pTimerHead = pt->next;
}
}
// Set up the timer structure
pt->fn = fn;
pt->param = param;
pt->flags = GTIMER_FLG_SCHEDULED;
if (periodic)
pt->flags |= GTIMER_FLG_PERIODIC;
if (millisec == TIME_INFINITE) {
pt->flags |= GTIMER_FLG_INFINITE;
pt->period = TIME_INFINITE;
} else {
pt->period = gfxMillisecondsToTicks(millisec);
pt->when = gfxSystemTicks() + pt->period;
}
// Just pop it on the end of the queue
if (pTimerHead) {
pt->next = pTimerHead;
pt->prev = pTimerHead->prev;
pt->prev->next = pt;
pt->next->prev = pt;
} else
pt->next = pt->prev = pTimerHead = pt;
// Bump the thread
if (!(pt->flags & GTIMER_FLG_INFINITE))
gfxSemSignal(&waitsem);
gfxMutexExit(&mutex);
}
/**
* Our main function.
* There are two prototypes - one for systems with a command line and one for embedded systems without one.
*/
int main(proto_args) {
uint16_t cmd[5];
unsigned cnt;
// Initialize and clear the display
gfxInit();
font = gdispOpenFont("UI2");
// Open the connection
gdispDrawStringBox(0, 0, gdispGetWidth(), gdispGetHeight(), "Connecting to host...", font, White, justifyCenter);
StartSockets();
netfd = doConnect(cmd_args);
if (netfd == (SOCKET_TYPE)-1)
gfxHalt("Could not connect to the specified server");
gdispClear(Black);
// Get the initial packet from the host
if (!getpkt(cmd, 2)) goto alldone;
if (cmd[0] != GNETCODE_INIT || cmd[1] != GNETCODE_VERSION)
gfxHalt("Oops - The protocol doesn't look like one we understand");
// Get the rest of the initial arguments
if (!getpkt(cmd, 4)) goto alldone; // cmd[] = width, height, pixelformat, hasmouse
// We will ignore size mismatches but the pixel format must match
if (cmd[2] != GDISP_PIXELFORMAT)
gfxHalt("Oops - The remote display is using a different pixel format to us.\nTry defining GDISP_PIXELFORMAT in your gfxconf.h file.");
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
// Start the mouse thread if needed
if (cmd[3])
gfxThreadClose(gfxThreadCreate(waNetThread, sizeof(waNetThread), HIGH_PRIORITY, NetThread, 0));
#endif
// Process incoming instructions
while(getpkt(cmd, 1)) {
switch(cmd[0]) {
case GNETCODE_FLUSH:
gdispFlush();
break;
case GNETCODE_PIXEL:
if (!getpkt(cmd, 3)) goto alldone; // cmd[] = x, y, color
gdispDrawPixel(cmd[0], cmd[1], cmd[2]);
break;
case GNETCODE_FILL:
if (!getpkt(cmd, 5)) goto alldone; // cmd[] = x, y, cx, cy, color
gdispFillArea(cmd[0], cmd[1], cmd[2], cmd[3], cmd[4]);
break;
case GNETCODE_BLIT:
if (!getpkt(cmd, 4)) goto alldone; // cmd[] = x, y, cx, cy - Followed by cx * cy pixels
gdispStreamStart(cmd[0],cmd[1],cmd[2],cmd[3]);
for(cnt = (unsigned)cmd[2] * cmd[3]; cnt; cnt--) {
if (!getpkt(cmd, 1)) goto alldone;
gdispStreamColor(cmd[0]);
}
gdispStreamStop();
break;
#if GDISP_NEED_PIXELREAD
case GNETCODE_READ:
if (!getpkt(cmd, 2)) goto alldone; // cmd[] = x, y - Response is GNETCODE_READ,color
cmd[1] = gdispGetPixelColor(cmd[0], cmd[1]);
cmd[0] = GNETCODE_READ;
if (!sendpkt(cmd, 2)) goto alldone;
break;
#endif
#if GDISP_NEED_SCROLL
case GNETCODE_SCROLL:
if (!getpkt(cmd, 5)) goto alldone; // cmd[] = x, y, cx, cy, lines
gdispVerticalScroll(cmd[0], cmd[1], cmd[2], cmd[3], cmd[4], Black);
break;
#endif
case GNETCODE_CONTROL:
if (!getpkt(cmd, 2)) goto alldone; // cmd[] = what,data - Response is GNETCODE_CONTROL, 0x0000 (fail) or GNETCODE_CONTROL, 0x0001 (success)
gdispControl(cmd[0], (void *)(unsigned)cmd[1]);
switch(cmd[0]) {
case GDISP_CONTROL_ORIENTATION:
cmd[1] = (uint16_t)gdispGetOrientation() == cmd[1] ? 1 : 0;
break;
case GDISP_CONTROL_POWER:
cmd[1] = (uint16_t)gdispGetPowerMode() == cmd[1] ? 1 : 0;
break;
case GDISP_CONTROL_BACKLIGHT:
cmd[1] = (uint16_t)gdispGetBacklight() == cmd[1] ? 1 : 0;
break;
default:
cmd[1] = 0;
break;
}
cmd[0] = GNETCODE_CONTROL;
if (!sendpkt(cmd, 2)) goto alldone;
break;
default:
gfxHalt("Oops - The host has sent invalid commands");
break;
}
}
alldone:
closesocket(netfd);
gfxHalt("Connection closed");
return 0;
}
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
XSizeHints *pSH;
XSetWindowAttributes xa;
XTextProperty WindowTitle;
char * WindowTitleText;
xPriv *priv;
if (!initdone) {
gfxThreadHandle hth;
initdone = TRUE;
#if GFX_USE_OS_LINUX || GFX_USE_OS_OSX
XInitThreads();
#endif
dis = XOpenDisplay(0);
scr = DefaultScreen(dis);
cxt = XUniqueContext();
wmDelete = XInternAtom(dis, "WM_DELETE_WINDOW", False);
XSetIOErrorHandler(FatalXIOError);
#if GDISP_FORCE_24BIT
if (!XMatchVisualInfo(dis, scr, 24, TrueColor, &vis)) {
fprintf(stderr, "Your display has no TrueColor mode\n");
XCloseDisplay(dis);
return FALSE;
}
cmap = XCreateColormap(dis, RootWindow(dis, scr),
vis.visual, AllocNone);
#else
vis.visual = CopyFromParent;
vis.depth = DefaultDepth(dis, scr);
cmap = DefaultColormap(dis, scr);
#endif
fprintf(stderr, "Running GFX Window in %d bit color\n", vis.depth);
if (!(hth = gfxThreadCreate(waXThread, sizeof(waXThread), HIGH_PRIORITY, ThreadX, 0))) {
fprintf(stderr, "Cannot start X Thread\n");
XCloseDisplay(dis);
exit(0);
}
#if GFX_USE_OS_LINUX || GFX_USE_OS_OSX
pthread_detach(hth);
#endif
gfxThreadClose(hth);
}
g->priv = gfxAlloc(sizeof(xPriv));
priv = (xPriv *)g->priv;
g->board = 0; // No board interface for this driver
xa.colormap = cmap;
xa.border_pixel = 0xFFFFFF;
xa.background_pixel = 0x000000;
priv->win = XCreateWindow(dis, RootWindow(dis, scr), 16, 16,
GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT,
0, vis.depth, InputOutput, vis.visual,
CWBackPixel|CWColormap|CWBorderPixel, &xa);
XSync(dis, TRUE);
XSaveContext(dis, priv->win, cxt, (XPointer)g);
XSetWMProtocols(dis, priv->win, &wmDelete, 1);
{
char buf[132];
sprintf(buf, "uGFX - %u", g->systemdisplay+1);
WindowTitleText = buf;
XStringListToTextProperty(&WindowTitleText, 1, &WindowTitle);
XSetWMName(dis, priv->win, &WindowTitle);
XSetWMIconName(dis, priv->win, &WindowTitle);
XSync(dis, TRUE);
}
pSH = XAllocSizeHints();
pSH->flags = PSize | PMinSize | PMaxSize;
pSH->min_width = pSH->max_width = pSH->base_width = GDISP_SCREEN_WIDTH;
pSH->min_height = pSH->max_height = pSH->base_height = GDISP_SCREEN_HEIGHT;
XSetWMNormalHints(dis, priv->win, pSH);
XFree(pSH);
XSync(dis, TRUE);
priv->pix = XCreatePixmap(dis, priv->win,
GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT, vis.depth);
XSync(dis, TRUE);
priv->gc = XCreateGC(dis, priv->win, 0, 0);
XSetBackground(dis, priv->gc, BlackPixel(dis, scr));
XSync(dis, TRUE);
// Create the associated mouse before the map
#if GINPUT_NEED_MOUSE
priv->mouse = (GMouse *)gdriverRegister((const GDriverVMT const *)GMOUSE_DRIVER_VMT, g);
#endif
XSelectInput(dis, priv->win, StructureNotifyMask);
XMapWindow(dis, priv->win);
// Wait for the window creation to complete (for safety)
while(!(((volatile GDisplay *)g)->flags & GDISP_FLG_READY))
gfxSleepMilliseconds(100);
/* Initialise the GDISP structure to match */
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = 100;
g->g.Contrast = 50;
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
return TRUE;
}
