void gwinPutChar(GHandle gh, char c) {
#define gcw ((GConsoleObject *)gh)
uint8_t width, fy, fp;
if (gh->vmt != &consoleVMT || !gh->font)
return;
fy = gdispGetFontMetric(gh->font, fontHeight);
fp = gdispGetFontMetric(gh->font, fontCharPadding);
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
if (c == '\n') {
gcw->cx = 0;
gcw->cy += fy;
// We use lazy scrolling here and only scroll when the next char arrives
} else if (c == '\r') {
// gcw->cx = 0;
} else {
width = gdispGetCharWidth(c, gh->font) + fp;
if (gcw->cx + width >= gh->width) {
gcw->cx = 0;
gcw->cy += fy;
}
if (gcw->cy + fy > gh->height) {
#if GDISP_NEED_SCROLL
/* scroll the console */
gdispVerticalScroll(gh->x, gh->y, gh->width, gh->height, fy, gh->bgcolor);
/* reset the cursor to the start of the last line */
gcw->cx = 0;
gcw->cy = (((coord_t)(gh->height/fy))-1)*fy;
#else
/* clear the console */
gdispFillArea(gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
/* reset the cursor to the top of the window */
gcw->cx = 0;
gcw->cy = 0;
#endif
}
#if GWIN_CONSOLE_USE_CLEAR_LINES
/* clear to the end of the line */
if (gcw->cx == 0)
gdispFillArea(gh->x, gh->y + gcw->cy, gh->width, fy, gh->bgcolor);
#endif
#if GWIN_CONSOLE_USE_FILLED_CHARS
gdispFillChar(gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, gh->color, gh->bgcolor);
#else
gdispDrawChar(gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, gh->color);
#endif
/* update cursor */
gcw->cx += width;
}
#undef gcw
}
msg_t lcdConsolePut(GConsole *console, char c) {
uint8_t width;
if(c == '\n') {
/* clear the text at the end of the line */
if(console->cx < console->sx)
gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
console->sx - console->cx, console->fy,
console->bkcolor);
console->cx = 0;
console->cy += console->fy;
} else if(c == '\r') {
/* TODO: work backwards through the buffer to the start of the current line */
//console->cx = 0;
} else {
width = gdispGetCharWidth(c, console->font) + console->fp;
if((console->cx + width) >= console->sx) {
/* clear the text at the end of the line */
if (console->cy <= console->sy)
gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
console->sx - (console->cx + width), console->fy,
console->bkcolor);
console->cx = 0;
console->cy += console->fy;
}
if((console->cy > console->sy)) {
#if GDISP_NEED_SCROLL
/* scroll the console */
gdispVerticalScroll(console->x0, console->y0, console->sx,
console->sy + console->fy, console->fy, console->bkcolor);
/* reset the cursor to the start of the line */
console->cx = 0;
console->cy = console->sy;
#else
/* clear the console */
gdispFillArea(console->x0, console->y0,
console->sx, console->sy + console->fy,
console->bkcolor);
/* reset the cursor to the top of the console */
console->cx = 0;
console->cy = 0;
#endif
}
gdispDrawChar(console->x0 + console->cx, console->y0 + console->cy, c,
console->font, console->color);
/* update cursor */
console->cx += width;
}
return RDY_OK;
}
/**
* 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;
}
