/* $Id$ * $URL$ * * Libvncserver driver * * Copyright (C) 2009 Michael Vogt * Modified from sample code by: * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005, 2006, 2007, 2008, 2009 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * * exported fuctions: * * struct DRIVER drv_vnc * */ #include "config.h" #include #include #include #include #include #include /* struct timeval */ #include #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "udelay.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_icon.h" #include "widget_bar.h" #include "widget_keypad.h" #include "drv.h" #include "drv_generic_graphic.h" #include "drv_generic_keypad.h" //todo: key widget text #define NO_MOUSE_BUTTON_PRESSED 0 #define LEFT_MOUSE_BUTTON_PRESSED 1 #define SLEEP_STEPS 1000 static char Name[] = "VNC"; static int xres = 320; /* screen settings */ static int yres = 200; static int BPP = 4; static int max_clients = 2; /* max connected clients */ static int osd_showtime = 2000; /* time to display the osd in ms */ static int buttons = 2; /* number of keypad buttons */ static int buttonsize = 50; /* size of keypad buttons */ static int keypadxofs = 0; static int keypadyofs = 0; static int keypadgap = 0; static int port = 5900; static int httpPort = 5800; static unsigned char framer = 0; static unsigned char frameg = 0; static unsigned char frameb = 0; static rfbScreenInfoPtr server; /* vnc device */ static struct timeval osd_timestamp; static int show_keypad_osd = 0; /* is the osd active? */ static int clientCount = 0; /* currently connected clients */ static int mouse_x = 0; static int mouse_y = 0; static int mouse_stat_old = 0; static int process_event = 0; static long frames = 0; static char *password; static char *javaClassFiles; static struct timeval startDriver; static int maxfps = -1; /* draws a simple rect, used to display keypad */ int draw_rect(int x, int y, int size, unsigned char col, char *buffer) { int ofs, ofs2, i, ret; unsigned char colr, colg; colr = colg = col; ret = 0; /* check if mouse is in current rect */ if (mouse_x > x && mouse_x < (x + size)) if (mouse_y > y && mouse_y < (y + size)) { colr = framer; colg = frameg; col = frameb; ret = 1; } ofs2 = size * xres * BPP; for (i = x; i < x + size; i++) { ofs = (i + xres * y) * BPP; buffer[ofs + ofs2] = colr; buff

# Denmark, whole country
# Created from http://www.digi-tv.dk/Indhold_og_tilbud/frekvenser.asp
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 482000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 506000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 538000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 554000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 602000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 658000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 682000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 690000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 714000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 738000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 778000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 826000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE
T 834000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE

width; c++) { p = drv_generic_graphic_rgb(r, c); ofs = (r * xres + c) * BPP; buffer[ofs++] = p.R; buffer[ofs++] = p.G; buffer[ofs++] = p.B; buffer[ofs] = 255; } } /* display osd keypad */ if (show_keypad_osd == 1) { display_keypad(); /* check if the osd should be disabled after the waittime */ struct timeval now; gettimeofday(&now, NULL); int timedelta = (now.tv_sec - osd_timestamp.tv_sec) * 1000 + (now.tv_usec - osd_timestamp.tv_usec) / 1000; if (timedelta > osd_showtime) { show_keypad_osd = 0; } } frames++; if ((frames % 10) == 0 && maxfps > 0) { struct timeval blittime; gettimeofday(&blittime, NULL); int time_since_start = (blittime.tv_sec - startDriver.tv_sec) * 1000 + (blittime.tv_usec - startDriver.tv_usec) / 1000; /* if time changed since start of lcd4linux */ if (time_since_start < 0) { gettimeofday(&startDriver, NULL); time_since_start = (blittime.tv_sec - startDriver.tv_sec) * 1000 + (blittime.tv_usec - startDriver.tv_usec) / 1000; if (time_since_start == 0) time_since_start = 1; } //info("time :%d, frames: %d, sleep: %d", time_since_start, frames, sleep); int fps = (int) (1000 * frames / time_since_start); if (fps > maxfps) { sleep += SLEEP_STEPS; } if (fps < maxfps && sleep >= SLEEP_STEPS) { sleep -= SLEEP_STEPS; } } usleep(sleep); } static void drv_vnc_blit(const int row, const int col, const int height, const int width) { if (rfbIsActive(server)) { drv_vnc_blit_it(row, col, height, width, (unsigned char *) server->frameBuffer); if (clientCount > 0) { rfbMarkRectAsModified(server, 0, 0, xres, yres); } rfbProcessEvents(server, server->deferUpdateTime * 500); } } /* start graphic display */ static int drv_vnc_start(const char *section) { char *s; s = cfg_get(section, "Font", "6x8"); if (s == NULL || *s == '\0') { error("%s: no '%s.Font' entry from %s", Name, section, cfg_source()); return -1; } XRES = -1; YRES = -1; if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) { error("%s: bad Font '%s' from %s", Name, s, cfg_source()); return -1; } /* Fixme: provider other fonts someday... */ if (XRES != 6 && YRES != 8) { error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source()); return -1; } /* open communication with the display */ if (drv_vnc_open(section) < 0) { return -1; } /* you surely want to allocate a framebuffer or something... */ server = rfbGetScreen(0, NULL, xres, yres, 8, 3, BPP); server->desktopName = "LCD4Linux VNC Driver"; server->frameBuffer = (char *) malloc(xres * yres * BPP); server->alwaysShared = (1 == 1); server->port = port; server->ptrAddEvent = hook_mouseaction; server->newClientHook = hook_newclient; if (password != NULL) { char **passwds = malloc(sizeof(char **) * 2); passwds[0] = password; passwds[1] = 0; server->authPasswdData = (void *) passwds; server->passwordCheck = rfbCheckPasswordByList; } if (javaClassFiles != NULL) { server->httpDir = javaClassFiles; server->httpEnableProxyConnect = TRUE; server->httpPort = httpPort; } /* Initialize the server */ rfbInitServer(server); /* set width/height */ DROWS = yres; DCOLS = xres; /* set timestamp */ gettimeofday(&startDriver, NULL); return 0; } /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_icon_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /* using drv_generic_gpio_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_vnc_list(void) { printf("vnc server"); return 0; } /* initialize driver & display */ int drv_vnc_init(const char *section, const int quiet) { int ret; /* real worker functions */ drv_generic_graphic_real_blit = drv_vnc_blit; drv_generic_keypad_real_press = drv_vnc_keypad; /* start display */ if ((ret = drv_vnc_start(section)) != 0) return ret; /* initialize generic graphic driver */ if ((ret = drv_generic_graphic_init(section, Name)) != 0) return ret; /* initialize generic key pad driver */ if ((ret = drv_generic_keypad_init(section, Name)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_graphic_greet(buffer, NULL)) { sleep(3); drv_generic_graphic_clear(); } } return 0; } /* close driver & display */ int drv_vnc_quit(const int quiet) { info("%s: shutting down.", Name); /* clear display */ drv_generic_graphic_clear(); /* say goodbye... */ if (!quiet) { drv_generic_graphic_greet("goodbye!", NULL); } drv_generic_graphic_quit(); drv_generic_keypad_quit(); if (password != NULL) { free(password); } if (javaClassFiles != NULL) { free(javaClassFiles); } debug("closing connection"); drv_vnc_close(); return (0); } DRIVER drv_vnc = { .name = Name, .list = drv_vnc_list, .init = drv_vnc_init, .quit = drv_vnc_quit, };