diff options
Diffstat (limited to '')
| -rw-r--r-- | Makefile.am | 3 | ||||
| -rw-r--r-- | Makefile.in | 31 | ||||
| -rw-r--r-- | XWindow.c | 628 | ||||
| -rwxr-xr-x | configure | 5 | ||||
| -rw-r--r-- | configure.in | 5 | ||||
| -rw-r--r-- | drv.c | 16 | ||||
| -rw-r--r-- | drv_T6963.c | 43 | ||||
| -rw-r--r-- | drv_X11.c | 561 | ||||
| -rw-r--r-- | drv_generic_graphic.c | 19 | ||||
| -rw-r--r-- | lcd4linux.conf.sample | 31 |
10 files changed, 660 insertions, 682 deletions
diff --git a/Makefile.am b/Makefile.am index d5aad06..9432318 100644 --- a/Makefile.am +++ b/Makefile.am @@ -71,8 +71,7 @@ drv_MatrixOrbital.c \ MilfordInstruments.c \ PalmPilot.c \ Raster.c \ -SIN.c \ -XWindow.c \ +drv_X11.c \ Text.c \ font_6x8.h diff --git a/Makefile.in b/Makefile.in index d5be94b..342b375 100644 --- a/Makefile.in +++ b/Makefile.in @@ -115,7 +115,7 @@ lcd4linux_SOURCES = lcd4linux.c cfg.c cfg.h deb #liblcd4linux_la_SOURCES = -EXTRA_lcd4linux_SOURCES = drv_generic_text.c drv_generic_text.h drv_generic_graphic.c drv_generic_graphic.h drv_generic_serial.c drv_generic_serial.h drv_generic_parport.c drv_generic_parport.h BeckmannEgle.c drv_Crystalfontz.c drv_Cwlinux.c drv_HD44780.c drv_M50530.c drv_T6963.c drv_USBLCD.c drv_MatrixOrbital.c MilfordInstruments.c PalmPilot.c Raster.c SIN.c XWindow.c Text.c font_6x8.h +EXTRA_lcd4linux_SOURCES = drv_generic_text.c drv_generic_text.h drv_generic_graphic.c drv_generic_graphic.h drv_generic_serial.c drv_generic_serial.h drv_generic_parport.c drv_generic_parport.h BeckmannEgle.c drv_Crystalfontz.c drv_Cwlinux.c drv_HD44780.c drv_M50530.c drv_T6963.c drv_USBLCD.c drv_MatrixOrbital.c MilfordInstruments.c PalmPilot.c Raster.c drv_X11.c Text.c font_6x8.h EXTRA_DIST = lcd4linux.conf.sample lcd4kde.conf lcd4linux.kdelnk lcd4linux.xpm lcd4linux.lsm curses.m4 AUTHORS CREDITS FAQ NEWS TODO README README.Rows README.Tokens README.Drivers README.Plugins README.KDE plugin_sample.c @@ -163,21 +163,20 @@ DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST) TAR = tar GZIP_ENV = --best DEP_FILES = .deps/BeckmannEgle.P .deps/MilfordInstruments.P \ -.deps/PalmPilot.P .deps/Raster.P .deps/SIN.P .deps/Text.P \ -.deps/XWindow.P .deps/cfg.P .deps/debug.P .deps/drv.P \ -.deps/drv_Crystalfontz.P .deps/drv_Cwlinux.P .deps/drv_HD44780.P \ -.deps/drv_M50530.P .deps/drv_MatrixOrbital.P .deps/drv_T6963.P \ -.deps/drv_USBLCD.P .deps/drv_generic_graphic.P \ -.deps/drv_generic_parport.P .deps/drv_generic_serial.P \ -.deps/drv_generic_text.P .deps/evaluator.P .deps/hash.P .deps/layout.P \ -.deps/lcd4linux.P .deps/lock.P .deps/pid.P .deps/plugin.P \ -.deps/plugin_cfg.P .deps/plugin_cpuinfo.P .deps/plugin_dvb.P \ -.deps/plugin_i2c_sensors.P .deps/plugin_imon.P .deps/plugin_loadavg.P \ -.deps/plugin_math.P .deps/plugin_meminfo.P .deps/plugin_netdev.P \ -.deps/plugin_ppp.P .deps/plugin_proc_stat.P .deps/plugin_string.P \ -.deps/plugin_uname.P .deps/plugin_xmms.P .deps/timer.P .deps/udelay.P \ -.deps/widget.P .deps/widget_bar.P .deps/widget_icon.P \ -.deps/widget_text.P +.deps/PalmPilot.P .deps/Raster.P .deps/Text.P .deps/cfg.P .deps/debug.P \ +.deps/drv.P .deps/drv_Crystalfontz.P .deps/drv_Cwlinux.P \ +.deps/drv_HD44780.P .deps/drv_M50530.P .deps/drv_MatrixOrbital.P \ +.deps/drv_T6963.P .deps/drv_USBLCD.P .deps/drv_X11.P \ +.deps/drv_generic_graphic.P .deps/drv_generic_parport.P \ +.deps/drv_generic_serial.P .deps/drv_generic_text.P .deps/evaluator.P \ +.deps/hash.P .deps/layout.P .deps/lcd4linux.P .deps/lock.P .deps/pid.P \ +.deps/plugin.P .deps/plugin_cfg.P .deps/plugin_cpuinfo.P \ +.deps/plugin_dvb.P .deps/plugin_i2c_sensors.P .deps/plugin_imon.P \ +.deps/plugin_loadavg.P .deps/plugin_math.P .deps/plugin_meminfo.P \ +.deps/plugin_netdev.P .deps/plugin_ppp.P .deps/plugin_proc_stat.P \ +.deps/plugin_string.P .deps/plugin_uname.P .deps/plugin_xmms.P \ +.deps/timer.P .deps/udelay.P .deps/widget.P .deps/widget_bar.P \ +.deps/widget_icon.P .deps/widget_text.P SOURCES = $(lcd4linux_SOURCES) $(EXTRA_lcd4linux_SOURCES) OBJECTS = $(lcd4linux_OBJECTS) diff --git a/XWindow.c b/XWindow.c deleted file mode 100644 index c7ead72..0000000 --- a/XWindow.c +++ /dev/null @@ -1,628 +0,0 @@ -/* $Id: XWindow.c,v 1.40 2004/01/30 20:57:55 reinelt Exp $ - * - * X11 Driver for LCD4Linux - * - * Copyright 2000 Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at> - * - * 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. - * - * - * $Log: XWindow.c,v $ - * Revision 1.40 2004/01/30 20:57:55 reinelt - * HD44780 patch from Martin Hejl - * dmalloc integrated - * - * Revision 1.39 2004/01/29 04:40:02 reinelt - * every .c file includes "config.h" now - * - * Revision 1.38 2004/01/09 04:16:06 reinelt - * added 'section' argument to cfg_get(), but NULLed it on all calls by now. - * - * Revision 1.37 2004/01/06 22:33:14 reinelt - * Copyright statements cleaned up - * - * Revision 1.36 2003/10/22 04:32:25 reinelt - * fixed icon bug found by Rob van Nieuwkerk - * - * Revision 1.35 2003/10/05 17:58:50 reinelt - * libtool junk; copyright messages cleaned up - * - * Revision 1.34 2003/09/10 14:01:53 reinelt - * icons nearly finished\! - * - * Revision 1.33 2003/09/09 06:54:43 reinelt - * new function 'cfg_number()' - * - * Revision 1.32 2003/07/24 04:48:09 reinelt - * 'soft clear' needed for virtual rows - * - * Revision 1.31 2003/04/12 16:23:10 reinelt - * small glitch in XWindow.c (thanks to Moe Wibble) - * - * Revision 1.30 2003/02/22 07:53:10 reinelt - * cfg_get(key,defval) - * - * Revision 1.29 2003/02/18 06:13:44 reinelt - * X11 driver fixes and cleanup - * - * Revision 1.28 2003/02/17 06:06:12 reinelt - * small bug in X11 driver: omit pixel gap between cahracters - * - * Revision 1.27 2002/08/19 04:41:20 reinelt - * introduced bar.c, moved bar stuff from display.h to bar.h - * - * Revision 1.26 2001/08/05 17:13:29 reinelt - * - * cleaned up inlude of sys/time.h and time.h - * - * Revision 1.25 2001/03/16 16:40:17 ltoetsch - * implemented time bar - * - * Revision 1.24 2001/03/01 11:08:16 reinelt - * - * reworked configure to allow selection of drivers - * - * Revision 1.23 2001/02/26 00:33:37 herp - * fixed X11 signal handler - * - * Revision 1.22 2001/02/13 09:00:13 reinelt - * - * prepared framework for GPO's (general purpose outputs) - * - * Revision 1.21 2000/08/10 18:42:20 reinelt - * - * fixed some bugs with the new syslog code - * - * Revision 1.20 2000/08/10 09:44:09 reinelt - * - * new debugging scheme: error(), info(), debug() - * uses syslog if in daemon mode - * - * Revision 1.19 2000/08/09 09:50:29 reinelt - * - * opened 0.98 development - * removed driver-specific signal-handlers - * added 'quit'-function to driver structure - * added global signal-handler - * - * Revision 1.18 2000/05/02 23:07:48 herp - * Crystalfontz initial coding - * - * Revision 1.17 2000/04/05 05:58:36 reinelt - * - * fixed bug in XWindow.c: union semun isn't defined with glibc-2.1 - * - * Revision 1.16 2000/04/03 23:53:23 herp - * fixed a bug that caused pixel-errors ("fliegendreck") under high load - * - * Revision 1.15 2000/04/03 04:01:31 reinelt - * - * if 'gap' is specified as -1, a gap of (pixelsize+pixelgap) is selected automatically - * - * Revision 1.14 2000/04/02 22:07:10 herp - * fixded a bug that occasionally caused Xlib errors - * - * Revision 1.13 2000/04/01 22:40:42 herp - * geometric correction (too many pixelgaps) - * lcd4linux main should return int, not void - * - * Revision 1.12 2000/04/01 19:33:45 herp - * - * colors in format \#RRGGBB in config-file now understood - * - * Revision 1.11 2000/04/01 16:22:38 reinelt - * - * bug that caused a segfault in processor.c fixed (thanks to herp) - * - * Revision 1.10 2000/03/31 01:42:11 herp - * - * semaphore bug fixed - * - * Revision 1.9 2000/03/30 16:46:57 reinelt - * - * configure now handles '--with-x' and '--without-x' correct - * - * Revision 1.8 2000/03/28 08:48:33 reinelt - * - * README.X11 added - * - * Revision 1.7 2000/03/28 07:22:15 reinelt - * - * version 0.95 released - * X11 driver up and running - * minor bugs fixed - * - */ - -/* - * - * exported fuctions: - * - * struct LCD XWindow[] - * - */ - - -/* - * Mon Feb 26 02:07:52 MET 2001 fixed sighandler - * Tue Apr 4 02:37:38 MET 2000 fixed a bug that caused pixelerrors under h/load - * Sun Apr 2 22:07:10 MET 2000 fixed a bug that occasionally caused Xlib error - * Sun Apr 2 01:32:48 MET 2000 geometric correction (too many pixelgaps) - * Sat Apr 1 22:18:04 MET 2000 colors in format \#RRGGBB in config-file - * Fri Mar 31 01:42:11 MET 2000 semaphore bug fixed - * Sun Mar 26 15:28:23 MET 2000 various rewrites - * Sat Mar 25 23:58:19 MET 2000 use generic pixmap driver - * Thu Mar 23 01:05:07 MET 2000 multithreading, synchronization - * Tue Mar 21 22:22:03 MET 2000 initial coding - * - */ - -#include "config.h" - -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <sys/ipc.h> -#include <sys/sem.h> -#include <sys/shm.h> -#include <unistd.h> -#include <signal.h> - -#include "debug.h" -#include "cfg.h" -#include "display.h" -#include "bar.h" -#include "icon.h" -#include "pixmap.h" - -#ifdef WITH_DMALLOC -#include <dmalloc.h> -#endif - - -/* glibc 2.1 requires defining semun ourselves */ -#ifdef _SEM_SEMUN_UNDEFINED -union semun { - int val; - struct semid_ds *buf; - unsigned short int *array; - struct seminfo *__buf; -}; -#endif - - -static LCD Lcd; -static Display *dp; -static int sc; -static Window w,rw; -static Visual *vi; -static int dd; -static Colormap cm; -static GC gc,gcb,gch; -static XColor co[3]; -static Pixmap pmback; - -static unsigned char *LCDpixmap2; -static char *rgbfg,*rgbbg,*rgbhg; -static int pixel=-1; /*pointsize in pixel*/ -static int pgap=0; /*gap between points */ -static int rgap=0; /*row gap between lines*/ -static int cgap=0; /*column gap between characters*/ -static int border=0; /*window border*/ -static int rows=-1,cols=-1; /*rows+cols without background*/ -static int xres=-1,yres=-1; /*xres+yres (same as self->...)*/ -static int icons; /* number of user-defined icons */ -static int dimx,dimy; /*total window dimension in pixel*/ -static int boxw,boxh; /*box width, box height*/ -static int async_update(); /*PROTO*/ -static pid_t async_updater_pid=1; -static int semid=-1; -static int shmid=-1; -static int ppid; /*parent pid*/ - - -static void acquire_lock() -{ - struct sembuf sembuf; - sembuf.sem_num=0; - sembuf.sem_op=-1; - sembuf.sem_flg=0; - semop(semid,&sembuf,1); /* get mutex */ -} - - -static void release_lock() -{ - struct sembuf sembuf; - sembuf.sem_num=0; - sembuf.sem_op=1; - sembuf.sem_flg=0; - semop(semid,&sembuf,1); /* free mutex */ -} - - -static void semcleanup() -{ - union semun arg; - if (semid>-1) semctl(semid,0,IPC_RMID,arg); -} - - -static void shmcleanup() -{ - if (shmid>-1) shmctl(shmid,IPC_RMID,NULL); -} - - -static void quit_updater() -{ - int i; - if (async_updater_pid>1) { - i=async_updater_pid; - async_updater_pid=1; - kill(i,9); - waitpid(i,&i,0); - } -} - - -static void sig_updater(int sig) -{ - kill(ppid,sig); - exit(0); -} - - -static void init_signals() -{ - unsigned int ignsig=(1<<SIGBUS)|(1<<SIGFPE)|(1<<SIGSEGV)| - (1<<SIGTSTP)|(1<<SIGCHLD)|(1<<SIGCONT)| - (1<<SIGTTIN)|(1<<SIGWINCH); - int i; - for(i=0;i<NSIG;i++) - if (((1<<i)&ignsig)==0) - signal(i,sig_updater); - -} - - -static int init_shm(int nbytes,unsigned char **buf) -{ - shmid=shmget(IPC_PRIVATE,nbytes,SHM_R|SHM_W); - if (shmid==-1) { - error ("X11: shmget() failed: %s", strerror(errno)); - return -1; - } - *buf=shmat(shmid,NULL,0); - if (*buf==NULL) { - error ("X11: shmat() failed: %s", strerror(errno)); - return -1; - } - return 0; -} - - -/* acording to SUN-Solaris man-pages: */ -#define SEM_ALTER 0200 - -static int init_thread(int bufsiz) -{ - union semun semun; - - semid=semget(IPC_PRIVATE,1,SEM_ALTER); - if (semid==-1) { - error ("X11: semget() failed: %s", strerror(errno)); - return -1; - } - semun.val=1; - semctl(semid,0,SETVAL,semun); - - ppid=getpid(); - switch(async_updater_pid=fork()) { - case -1: - error ("X11: fork() failed: %s", strerror(errno)); - return -1; - case 0: - async_update(); - error ("X11: async_update failed"); - kill(ppid,SIGTERM); - exit(-1); - default: - break; - } - signal(SIGCHLD,quit_updater); - atexit(quit_updater); - return 0; -} - - -static int init_x(int rows,int cols,int xres,int yres) -{ - XSetWindowAttributes wa; - XSizeHints size_hints; - XColor co_dummy; - XEvent ev; - - if ((dp=XOpenDisplay(NULL))==NULL) { - error ("X11: can't open display"); - return -1; - } - sc=DefaultScreen(dp); - gc=DefaultGC(dp,sc); - vi=DefaultVisual(dp,sc); - dd=DefaultDepth(dp,sc); - rw=DefaultRootWindow(dp); - cm=DefaultColormap(dp,sc); - - if (XAllocNamedColor(dp,cm,rgbfg,&co[0],&co_dummy)==False) { - error ("X11: can't alloc foreground color '%s'", - rgbfg); - return -1; - } - if (XAllocNamedColor(dp,cm,rgbbg,&co[1],&co_dummy)==False) { - error ("X11: can't alloc background color '%s'", - rgbbg); - return -1; - } - if (XAllocNamedColor(dp,cm,rgbhg,&co[2],&co_dummy)==False) { - error ("X11: can't alloc halfground color '%s'", - rgbhg); - return -1; - } - boxw=xres*pixel+(xres-1)*pgap+cgap; - boxh=yres*pixel+(yres-1)*pgap+rgap; - dimx=cols*xres*pixel+(cols*xres-1)*pgap+(cols-1)*cgap; - dimy=rows*yres*pixel+(rows*yres-1)*pgap+(rows-1)*rgap; - wa.event_mask=ExposureMask; - w=XCreateWindow(dp,rw,0,0,dimx+2*border,dimy+2*border,0,0, - InputOutput,vi,CWEventMask,&wa); - pmback=XCreatePixmap(dp,w,dimx,dimy,dd); - size_hints.min_width=size_hints.max_width=dimx+2*border; - size_hints.min_height=size_hints.max_height=dimy+2*border; - size_hints.flags=PPosition|PSize|PMinSize|PMaxSize; - XSetWMProperties(dp,w,NULL,NULL,NULL,0,&size_hints,NULL,NULL); - XSetForeground(dp,gc,co[0].pixel); - XSetBackground(dp,gc,co[1].pixel); - gcb=XCreateGC(dp,w,0,NULL); - XSetForeground(dp,gcb,co[1].pixel); - XSetBackground(dp,gcb,co[0].pixel); - gch=XCreateGC(dp,w,0,NULL); - XSetForeground(dp,gch,co[2].pixel); - XSetBackground(dp,gch,co[0].pixel); - XFillRectangle(dp,pmback,gcb,0,0,dimx,dimy); - XSetWindowBackground(dp,w,co[1].pixel); - XClearWindow(dp,w); - XStoreName(dp,w,"XLCD4Linux"); - XMapWindow(dp,w); - XFlush(dp); - for(;;) { - XNextEvent(dp,&ev); - if (ev.type==Expose && ev.xexpose.count==0) - break; - } - return 0; -} - - -int xlcdinit(LCD *Self) -{ - char *s; - - if (sscanf(s=cfg_get(NULL, "size", "20x4"),"%dx%d",&cols,&rows)!=2 - || rows<1 || cols<1) { - error ("X11: bad size '%s'",s); - return -1; - } - if (sscanf(s=cfg_get(NULL, "font", "5x8"),"%dx%d",&xres,&yres)!=2 - || xres<5 || yres>10) { - error ("X11: bad font '%s'",s); - return -1; - } - if (sscanf(s=cfg_get(NULL, "pixel", "4+1"),"%d+%d",&pixel,&pgap)!=2 - || pixel<1 || pgap<0) { - error ("X11: bad pixel '%s'",s); - return -1; - } - if (sscanf(s=cfg_get(NULL, "gap", "-1x-1"),"%dx%d",&cgap,&rgap)!=2 - || cgap<-1 || rgap<-1) { - error ("X11: bad gap '%s'",s); - return -1; - } - if (rgap<0) rgap=pixel+pgap; - if (cgap<0) cgap=pixel+pgap; - - if (cfg_number(NULL, "border", 0, 0, 1000000, &border)<0) return -1; - - rgbfg=cfg_get(NULL, "foreground", "#000000"); - rgbbg=cfg_get(NULL, "background", "#80d000"); - rgbhg=cfg_get(NULL, "halfground", "#70c000"); - if (*rgbfg=='\\') rgbfg++; - if (*rgbbg=='\\') rgbbg++; - if (*rgbhg=='\\') rgbhg++; - - if (pix_init(rows,cols,xres,yres)==-1) return -1; - - if (cfg_number(NULL, "Icons", 0, 0, 8, &icons) < 0) return -1; - if (icons>0) { - info ("allocating %d icons", icons); - icon_init(rows, cols, xres, yres, 8, icons, pix_icon); - } - - if (init_x(rows,cols,xres,yres)==-1) return -1; - init_signals(); - if (init_shm(rows*cols*xres*yres,&LCDpixmap2)==-1) return -1; - memset(LCDpixmap2,0xff,rows*yres*cols*xres); - if (init_thread(rows*cols*xres*yres)==-1) return -1; - Self->rows=rows; - Self->cols=cols; - Self->xres=xres; - Self->yres=yres; - Self->icons=icons; - Lcd=*Self; - - pix_clear(); - return 0; -} - - -int xlcdclear(int full) -{ - icon_clear(); - pix_clear(); - return 0; -} - - -int xlcdput(int row,int col, char *text) -{ - return pix_put(row,col,text); -} - - -int xlcdbar(int type, int row, int col, int max, int len1, int len2) -{ - return pix_bar(type,row,col,max,len1,len2); -} - - -int xlcdicon (int num, int seq, int row, int col) -{ - return icon_draw (num, seq, row, col); -} - - -int xlcdflush() { - int dirty; - int row,col; - - acquire_lock(); - dirty=0; - for(row=0;row<rows*yres;row++) { - int y=border+(row/yres)*rgap+row*(pixel+pgap); - for(col=0;col<cols*xres;col++) { - int x=border+(col/xres)*cgap+col*(pixel+pgap); - int p=row*cols*xres+col; - if (LCDpixmap[p]^LCDpixmap2[p]) { - XFillRectangle(dp,w,LCDpixmap[p]?gc:gch,x,y,pixel,pixel); - LCDpixmap2[p]=LCDpixmap[p]; - dirty=1; - } - } - } - if (dirty) XSync(dp,False); - release_lock(); - return 0; -} - - -int xlcdquit(void) -{ - semcleanup(); - shmcleanup(); - quit_updater(); - return 0; -} - - -/* - * this one should only be called from the updater-thread - * no user serviceable parts inside - */ - -static void update(int x,int y,int width,int height) -{ - /* - * theory of operation: - * instead of the old, fully-featured but complicated update - * region calculation, we do an update of the whole display, - * but check before every pixel if the pixel region is inside - * the update region. - */ - - int x0, y0; - int x1, y1; - int row, col; - int dirty; - - x0=x-pixel; - y0=y-pixel; - x1=x+pixel+width; - y1=y+pixel+height; - - dirty=0; - for(row=0;row<rows*yres;row++) { - int y=border+(row/yres)*rgap+row*(pixel+pgap); - if (y<y0 || y>y1) continue; - for(col=0;col<cols*xres;col++) { - int x=border+(col/xres)*cgap+col*(pixel+pgap); - int p; - if (x<x0 || x>x1) continue; - p=row*cols*xres+col; - XFillRectangle(dp,w,LCDpixmap2[p]?gc:gch,x,y,pixel,pixel); - dirty=1; - } - } - if (dirty) XSync(dp,False); -} - - -static int async_update() -{ - XSetWindowAttributes wa; - XEvent ev; - - if ((dp=XOpenDisplay(NULL))==NULL) - return -1; - wa.event_mask=ExposureMask; - XChangeWindowAttributes(dp,w,CWEventMask,&wa); - for(;;) { - XWindowEvent(dp,w,ExposureMask,&ev); - if (ev.type==Expose) { - acquire_lock(); - update(ev.xexpose.x,ev.xexpose.y, - ev.xexpose.width,ev.xexpose.height); - release_lock(); - } - } -} - - -LCD XWindow[] = { - { name: "X11", - rows: 0, - cols: 0, - xres: 0, - yres: 0, - bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T, - icons: 0, - gpos: 0, - init: xlcdinit, - clear: xlcdclear, - put: xlcdput, - bar: xlcdbar, - icon: xlcdicon, - gpo: NULL, - flush: xlcdflush, - quit: xlcdquit - }, - { NULL } -}; @@ -21096,8 +21096,9 @@ if test "$X11" = "yes"; then echo "$as_me: error: X11 headers or libraries not available: X11 driver disabled" >&2;} { (exit 1); exit 1; }; } else -# DRIVERS="$DRIVERS XWindow.lo" -# DRIVERS="$DRIVERS XWindow.o" + GRAPHIC="yes" +# DRIVERS="$DRIVERS drv_X11.lo" + DRIVERS="$DRIVERS drv_X11.o" DRVLIBS="$DRVLIBS -L$ac_x_libraries -lX11" cat >>confdefs.h <<\_ACEOF diff --git a/configure.in b/configure.in index 8ea41cf..ef4ec57 100644 --- a/configure.in +++ b/configure.in @@ -246,8 +246,9 @@ if test "$X11" = "yes"; then if test "$no_x" = "yes"; then AC_MSG_ERROR(X11 headers or libraries not available: X11 driver disabled) else -# DRIVERS="$DRIVERS XWindow.lo" -# DRIVERS="$DRIVERS XWindow.o" + GRAPHIC="yes" +# DRIVERS="$DRIVERS drv_X11.lo" + DRIVERS="$DRIVERS drv_X11.o" DRVLIBS="$DRVLIBS -L$ac_x_libraries -lX11" AC_DEFINE(WITH_X11,1,[X11 driver]) fi @@ -1,4 +1,4 @@ -/* $Id: drv.c,v 1.8 2004/02/15 21:43:43 reinelt Exp $ +/* $Id: drv.c,v 1.9 2004/02/24 05:55:04 reinelt Exp $ * * new framework for display drivers * @@ -23,6 +23,10 @@ * * * $Log: drv.c,v $ + * Revision 1.9 2004/02/24 05:55:04 reinelt + * + * X11 driver ported + * * Revision 1.8 2004/02/15 21:43:43 reinelt * T6963 driver nearly finished * framework for graphic displays done @@ -115,7 +119,7 @@ extern DRIVER drv_MatrixOrbital; extern DRIVER drv_MilfordInstruments; extern DRIVER drv_PalmPilot; extern DRIVER drv_Raster; -extern DRIVER drv_XWindow; +extern DRIVER drv_X11; extern DRIVER drv_Text; // output file for Raster driver @@ -163,9 +167,11 @@ DRIVER *Driver[] = { #if defined (WITH_PNG) || defined(WITH_PPM) &Raster, #endif - #ifdef WITH_X11 - &XWindow, - #endif + */ +#ifdef WITH_X11 + &drv_X11, +#endif + /* Fixme #ifdef WITH_TEXT &Text, #endif diff --git a/drv_T6963.c b/drv_T6963.c index e581e81..e18c281 100644 --- a/drv_T6963.c +++ b/drv_T6963.c @@ -1,4 +1,4 @@ -/* $Id: drv_T6963.c,v 1.3 2004/02/22 17:35:41 reinelt Exp $ +/* $Id: drv_T6963.c,v 1.4 2004/02/24 05:55:04 reinelt Exp $ * * new style driver for T6963-based displays * @@ -23,6 +23,10 @@ * * * $Log: drv_T6963.c,v $ + * Revision 1.4 2004/02/24 05:55:04 reinelt + * + * X11 driver ported + * * Revision 1.3 2004/02/22 17:35:41 reinelt * some fixes for generic graphic driver and T6963 * removed ^M from plugin_imon (Nico, are you editing under Windows?) @@ -69,6 +73,10 @@ #include "drv_generic_graphic.h" #include "drv_generic_parport.h" +#ifdef WITH_DMALLOC +#include <dmalloc.h> +#endif + static char Name[]="T6963"; static int Model; @@ -377,8 +385,27 @@ static int drv_T6_start (char *section) return -1; } - TROWS=DROWS/8; // text rows, assume 6x8 font - TCOLS=DCOLS/6; // text cols, assume 6x8 font + 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; + } + + TROWS=DROWS/YRES; // text rows + TCOLS=DCOLS/XRES; // text cols Buffer1=malloc(DCOLS*TROWS); if (Buffer1==NULL) { @@ -527,6 +554,16 @@ int drv_T6_quit (void) { drv_generic_parport_close(); drv_generic_graphic_quit(); + if (Buffer1) { + free (Buffer1); + Buffer1=NULL; + } + + if (Buffer2) { + free (Buffer2); + Buffer2=NULL; + } + return (0); } diff --git a/drv_X11.c b/drv_X11.c new file mode 100644 index 0000000..e146df4 --- /dev/null +++ b/drv_X11.c @@ -0,0 +1,561 @@ +/* $Id: drv_X11.c,v 1.1 2004/02/24 05:55:04 reinelt Exp $ + * + * new style X11 Driver for LCD4Linux + * + * Copyright 1999-2004 Michael Reinelt <reinelt@eunet.at> + * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> + * + * based on the old XWindow.c which is + * Copyright 2000 Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at> + * + * 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. + * + * + * $Log: drv_X11.c,v $ + * Revision 1.1 2004/02/24 05:55:04 reinelt + * + * X11 driver ported + * + */ + +/* + * + * exported fuctions: + * + * struct DRIVER drv_X11 + * + */ + + +#include "config.h" + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> +#include <termios.h> +#include <fcntl.h> +#include <sys/time.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> + +#include "debug.h" +#include "cfg.h" +#include "timer.h" +#include "udelay.h" +#include "plugin.h" +#include "widget.h" +#include "widget_text.h" +#include "widget_icon.h" +#include "widget_bar.h" +#include "drv.h" +#include "drv_generic_graphic.h" + +#ifdef WITH_DMALLOC +#include <dmalloc.h> +#endif + +static char Name[]="X11"; + +static char *fg_col,*bg_col,*hg_col; + +static int pixel = -1; // pointsize in pixel +static int pgap = 0; // gap between points +static int rgap = 0; // row gap between lines +static int cgap = 0; // column gap between characters +static int border = 0; // window border + +static int dimx, dimy; // total window dimension in pixel + +static unsigned char *drv_X11_FB=NULL; + +static Display *dp; +static int sc, dd; +static Window w, rw; +static Visual *vi; +static GC fg_gc, bg_gc, hg_gc; +static Colormap cm; +static XColor fg_xc, bg_xc, hg_xc; +static Pixmap pm; + + +#if 0 +static LCD Lcd; + +static unsigned char *LCDpixmap2; +static int DROWS=-1,DCOLS=-1; /*DROWS+DCOLS without background*/ +static int XRES=-1,YRES=-1; /*XRES+YRES (same as self->...)*/ +static int icons; /* number of user-defined icons */ +static int async_update(); /*PROTO*/ +static pid_t async_updater_pid=1; +static int semid=-1; +static int shmid=-1; +static int ppid; /*parent pid*/ + +#endif + +// **************************************** +// *** hardware dependant functions *** +// **************************************** + +static void drv_X11_blit(int row, int col, int height, int width) +{ + int r, c; + int dirty = 0; + + for (r=row; r<row+height && r<DROWS; r++) { + int y = border + (r/YRES)*rgap + r*(pixel+pgap); + for (c=col; c<col+width && c<DCOLS; c++) { + int x = border + (c/XRES)*cgap + c*(pixel+pgap); + unsigned char p = drv_generic_graphic_FB[r*LCOLS+c]; + if (drv_X11_FB[r*DCOLS+c] != p) { + XFillRectangle( dp, w, p? fg_gc:hg_gc, x, y, pixel, pixel); + drv_X11_FB[r*DCOLS+c] = p; + dirty=1; + } + } + } + if (dirty) { + XSync(dp, False); + } +} + + +static void drv_X11_expose(int x, int y, int width, int height) +{ + /* + * theory of operation: + * instead of the old, fully-featured but complicated update + * region calculation, we do an update of the whole display, + * but check before every pixel if the pixel region is inside + * the update region. + */ + + int r, c; + int x0, y0; + int x1, y1; + + x0 = x-pixel; + x1 = x+pixel+width; + y0 = y-pixel; + y1 = y+pixel+height; + + for (r=0; r<DROWS; r++) { + int yc = border + (r/YRES)*rgap + r*(pixel+pgap); + if (yc<y0 || yc>y1) continue; + for (c=0; c<DCOLS; c++) { + int xc = border + (c/XRES)*cgap + c*(pixel+pgap); + if (xc<x0 || xc>x1) continue; + XFillRectangle( dp, w, drv_generic_graphic_FB[r*LCOLS+c]? fg_gc:hg_gc, xc, yc, pixel, pixel); + } + } + XSync(dp, False); +} + + +static void drv_X11_timer (void *notused) +{ + XEvent ev; + + if (XCheckWindowEvent(dp, w, ExposureMask, &ev)==0) return; + if (ev.type==Expose) { + drv_X11_expose (ev.xexpose.x, ev.xexpose.y, ev.xexpose.width, ev.xexpose.height); + } +} + + +static int drv_X11_start (char *section) +{ + char *s; + XSetWindowAttributes wa; + XSizeHints sh; + XColor dummy; + XEvent ev; + + + // read display size from config + if (sscanf(s=cfg_get(section, "Size", "120x32"), "%dx%d", &DCOLS, &DROWS)!=2 || DCOLS<1 || DROWS<1) { + error ("%s: bad Size '%s' from %s", Name, s, cfg_source()); + return -1; + } + + if (sscanf(s=cfg_get(section, "font", "5x8"), "%dx%d", &XRES, &YRES)!=2 || XRES<1|| YRES<1) { + error ("%s: bad font '%s' from %s", Name, s, cfg_source()); + return -1; + } + + if (sscanf(s=cfg_get(section, "pixel", "4+1"), "%d+%d", &pixel, &pgap)!=2 || pixel<1 || pgap<0) { + error ("%s: bad pixel '%s' from %s", Name, s, cfg_source()); + return -1; + } + + if (sscanf(s=cfg_get(section, "gap", "-1x-1"), "%dx%d", &cgap, &rgap)!=2 || cgap<-1 || rgap<-1) { + error ("%s: bad gap '%s' from %s", Name, s, cfg_source()); + return -1; + } + if (rgap<0) rgap=pixel+pgap; + if (cgap<0) cgap=pixel+pgap; + + if (cfg_number(section, "border", 0, 0, 1000000, &border)<0) return -1; + + fg_col=cfg_get(section, "foreground", "#000000"); + bg_col=cfg_get(section, "background", "#80d000"); + hg_col=cfg_get(section, "halfground", "#70c000"); + if (*fg_col=='\\') fg_col++; + if (*bg_col=='\\') bg_col++; + if (*hg_col=='\\') hg_col++; + + + drv_X11_FB = malloc(DCOLS*DROWS); + if (drv_X11_FB==NULL) { + error ("%s: framebuffer could not be allocated: malloc() failed", Name); + return -1; + } + + // init with 255 so all 'halfground' pixels will be drawn + memset(drv_X11_FB, 255, DCOLS*DROWS*sizeof(*drv_X11_FB)); + + if ((dp=XOpenDisplay(NULL))==NULL) { + error ("%s: can't open display", Name); + return -1; + } + + sc = DefaultScreen(dp); + fg_gc = DefaultGC(dp, sc); + vi = DefaultVisual(dp, sc); + dd = DefaultDepth(dp, sc); + rw = DefaultRootWindow(dp); + cm = DefaultColormap(dp, sc); + + if (XAllocNamedColor(dp, cm, fg_col, &fg_xc, &dummy) == False) { + error ("%s: can't alloc foreground color '%s'", Name, fg_col); + return -1; + } + + if (XAllocNamedColor(dp, cm, bg_col, &bg_xc, &dummy)==False) { + error ("%s: can't alloc background color '%s'", Name, bg_col); + return -1; + } + + if (XAllocNamedColor(dp, cm, hg_col, &hg_xc, &dummy)==False) { + error ("%s: can't alloc halfground color '%s'", Name, hg_col); + return -1; + } + + dimx = DCOLS*pixel + (DCOLS-1)*pgap + (DCOLS/XRES-1)*cgap; + dimy = DROWS*pixel + (DROWS-1)*pgap + (DROWS/YRES-1)*rgap; + + wa.event_mask=ExposureMask; + + w = XCreateWindow(dp, rw, 0, 0, dimx+2*border, dimy+2*border, 0, 0, InputOutput, vi, CWEventMask, &wa); + + pm = XCreatePixmap(dp, w, dimx, dimy, dd); + + sh.min_width = sh.max_width = dimx+2*border; + sh.min_height = sh.max_height = dimy+2*border; + sh.flags = PPosition|PSize|PMinSize|PMaxSize; + + XSetWMProperties(dp, w, NULL, NULL, NULL, 0, &sh, NULL, NULL); + + + XSetForeground(dp, fg_gc, fg_xc.pixel); + XSetBackground(dp, fg_gc, bg_xc.pixel); + + bg_gc = XCreateGC(dp, w, 0, NULL); + XSetForeground(dp, bg_gc, bg_xc.pixel); + XSetBackground(dp, bg_gc, fg_xc.pixel); + + hg_gc = XCreateGC(dp, w, 0, NULL); + XSetForeground(dp, hg_gc, hg_xc.pixel); + XSetBackground(dp, hg_gc, fg_xc.pixel); + + XFillRectangle(dp, pm, bg_gc, 0, 0, dimx+2*border, dimy+2*border); + XSetWindowBackground(dp, w, bg_xc.pixel); + XClearWindow(dp, w); + + XStoreName(dp, w, "LCD4Linux"); + XMapWindow(dp, w); + + XFlush(dp); + + while(1) { + XNextEvent(dp,&ev); + if (ev.type==Expose && ev.xexpose.count==0) + break; + } + + // regularly process X events + // Fixme: make 20msec configurable + timer_add (drv_X11_timer, NULL, 20, 0); + + return 0; +} + + +#if 0 +static int init_x(int rows,int cols,int XRES,int YRES) +{ + return 0; +} + + +int xlcdinit(LCD *Self) +{ + char *s; + + if (sscanf(s=cfg_get(NULL, "size", "20x4"),"%dx%d",&DCOLS,&DROWS)!=2 + || DROWS<1 || DCOLS<1) { + error ("X11: bad size '%s'",s); + return -1; + } + if (sscanf(s=cfg_get(NULL, "font", "5x8"),"%dx%d",&XRES,&YRES)!=2 + || XRES<5 || YRES>10) { + error ("X11: bad font '%s'",s); + return -1; + } + if (sscanf(s=cfg_get(NULL, "pixel", "4+1"),"%d+%d",&pixel,&pgap)!=2 + || pixel<1 || pgap<0) { + error ("X11: bad pixel '%s'",s); + return -1; + } + if (sscanf(s=cfg_get(NULL, "gap", "-1x-1"),"%dx%d",&cgap,&rgap)!=2 + || cgap<-1 || rgap<-1) { + error ("X11: bad gap '%s'",s); + return -1; + } + if (rgap<0) rgap=pixel+pgap; + if (cgap<0) cgap=pixel+pgap; + + if (cfg_number(NULL, "border", 0, 0, 1000000, &border)<0) return -1; + + fg_col=cfg_get(NULL, "foreground", "#000000"); + bg_col=cfg_get(NULL, "background", "#80d000"); + hg_col=cfg_get(NULL, "halfground", "#70c000"); + if (*fg_col=='\\') fg_col++; + if (*bg_col=='\\') bg_col++; + if (*hg_col=='\\') hg_col++; + + if (pix_init(DROWS,DCOLS,XRES,YRES)==-1) return -1; + + if (cfg_number(NULL, "Icons", 0, 0, 8, &icons) < 0) return -1; + if (icons>0) { + info ("allocating %d icons", icons); + icon_init(DROWS, DCOLS, XRES, YRES, 8, icons, pix_icon); + } + + if (init_x(DROWS,DCOLS,XRES,YRES)==-1) return -1; + init_signals(); + if (init_shm(DROWS*DCOLS*XRES*YRES,&LCDpixmap2)==-1) return -1; + memset(LCDpixmap2,0xff,DROWS*YRES*DCOLS*XRES); + if (init_thread(DROWS*DCOLS*XRES*YRES)==-1) return -1; + Self->DROWS=DROWS; + Self->DCOLS=DCOLS; + Self->XRES=XRES; + Self->YRES=YRES; + Self->icons=icons; + Lcd=*Self; + + pix_clear(); + return 0; +} + + +int xlcdflush() { + int dirty; + int row,col; + + acquire_lock(); + dirty=0; + for(row=0;row<DROWS*YRES;row++) { + int y=border+(row/YRES)*rgap+row*(pixel+pgap); + for(col=0;col<DCOLS*XRES;col++) { + int x=border+(col/XRES)*cgap+col*(pixel+pgap); + int p=row*DCOLS*XRES+col; + if (LCDpixmap[p]^LCDpixmap2[p]) { + XFillRectangle(dp,w,LCDpixmap[p]?fg_gc:hg_gc,x,y,pixel,pixel); + LCDpixmap2[p]=LCDpixmap[p]; + dirty=1; + } + } + } + if (dirty) XSync(dp,False); + release_lock(); + return 0; +} + + +/* + * this one should only be called from the updater-thread + * no user serviceable parts inside + */ + +static void update(int x,int y,int width,int height) +{ + /* + * theory of operation: + * instead of the old, fully-featured but complicated update + * region calculation, we do an update of the whole display, + * but check before every pixel if the pixel region is inside + * the update region. + */ + + int x0, y0; + int x1, y1; + int row, col; + int dirty; + + x0=x-pixel; + y0=y-pixel; + x1=x+pixel+width; + y1=y+pixel+height; + + dirty=0; + for(row=0; row<DROWS; row++) { + int y = border + (row/YRES)*rgap + row*(pixel+pgap); + if (y<y0 || y>y1) continue; + for(col=0; col<DCOLS; col++) { + int x = border + (col/XRES)*cgap + col*(pixel+pgap); + int p; + if (x<x0 || x>x1) continue; + p=row*DCOLS*XRES+col; + XFillRectangle(dp,w,LCDpixmap2[p]?fg_gc:hg_gc,x,y,pixel,pixel); + dirty=1; + } + } + if (dirty) XSync(dp,False); +} + + +static int async_update() +{ + XSetWindowAttributes wa; + XEvent ev; + + if ((dp=XOpenDisplay(NULL))==NULL) + return -1; + wa.event_mask=ExposureMask; + XChangeWindowAttributes(dp,w,CWEventMask,&wa); + for(;;) { + XWindowEvent(dp,w,ExposureMask,&ev); + if (ev.type==Expose) { + acquire_lock(); + update(ev.xexpose.x,ev.xexpose.y, + ev.xexpose.width,ev.xexpose.height); + release_lock(); + } + } +} +#endif + + +// **************************************** +// *** plugins *** +// **************************************** + +// none at the moment... + + +// **************************************** +// *** widget callbacks *** +// **************************************** + + +// using drv_generic_graphic_draw(W) +// using drv_generic_graphic_icon_draw(W) +// using drv_generic_graphic_bar_draw(W) + + +// **************************************** +// *** exported functions *** +// **************************************** + + +// list models +int drv_X11_list (void) +{ + printf ("any"); + return 0; +} + + +// initialize driver & display +int drv_X11_init (char *section) +{ + WIDGET_CLASS wc; + int ret; + + // real worker functions + drv_generic_graphic_real_blit = drv_X11_blit; + + // start display + if ((ret=drv_X11_start (section))!=0) + return ret; + + // initialize generic graphic driver + if ((ret=drv_generic_graphic_init(section, Name))!=0) + return ret; + + // initially expose window + drv_X11_expose (0, 0, dimx+2*border, dimy+2*border); + + // register text widget + wc=Widget_Text; + wc.draw=drv_generic_graphic_draw; + widget_register(&wc); + + // register icon widget + wc=Widget_Icon; + wc.draw=drv_generic_graphic_icon_draw; + widget_register(&wc); + + // register bar widget + wc=Widget_Bar; + wc.draw=drv_generic_graphic_bar_draw; + widget_register(&wc); + + // register plugins + // none at the moment... + + + return 0; +} + + +// close driver & display +int drv_X11_quit (void) { + + info("%s: shutting down.", Name); + drv_generic_graphic_quit(); + + if (drv_X11_FB) { + free (drv_X11_FB); + drv_X11_FB=NULL; + } + + return (0); +} + + +DRIVER drv_X11 = { + name: Name, + list: drv_X11_list, + init: drv_X11_init, + quit: drv_X11_quit, +}; + + diff --git a/drv_generic_graphic.c b/drv_generic_graphic.c index 1b01cf4..6d9c7b7 100644 --- a/drv_generic_graphic.c +++ b/drv_generic_graphic.c @@ -23,6 +23,10 @@ * * * $Log: drv_generic_graphic.c,v $ + * Revision 1.4 2004/02/24 05:55:04 reinelt + * + * X11 driver ported + * * Revision 1.3 2004/02/22 17:35:41 reinelt * some fixes for generic graphic driver and T6963 * removed ^M from plugin_imon (Nico, are you editing under Windows?) @@ -272,24 +276,9 @@ int drv_generic_graphic_bar_draw (WIDGET *W) int drv_generic_graphic_init (char *section, char *driver) { - char *font; - Section=section; Driver=driver; - font=cfg_get(section, "Font", "6x8"); - if (font==NULL || *font=='\0') { - error ("%s: no '%s.Font' entry from %s", Driver, section, cfg_source()); - return -1; - } - - XRES = -1; - YRES = -1; - if (sscanf(font, "%dx%d", &XRES, &YRES)!=2 || XRES<1 || YRES<1) { - error ("%s: bad Font '%s' from %s", Driver, font, cfg_source()); - return -1; - } - // init layout framebuffer LROWS = 0; LCOLS = 0; diff --git a/lcd4linux.conf.sample b/lcd4linux.conf.sample index 4ca8bd6..85981d7 100644 --- a/lcd4linux.conf.sample +++ b/lcd4linux.conf.sample @@ -82,6 +82,18 @@ Display T6963-240x64 { } +Display XWindow { + Driver 'X11' + Size '120x32' + Font '6x8' + Pixel '4+1' + Gap '-1x-1' + Border 20 + Foreground '#000000' + Background '#80d000' + Halfground '#70c000' +} + Widget OS { class 'Text' expression '*** '.uname('sysname').' '.uname('release').' ***' @@ -334,14 +346,14 @@ Layout Default { Col1 'Load' Col11 'LoadBar' } - Row5 { - Col1 'Disk' - Col11 'DiskBar' - } - Row6 { - Col1 'Eth0' - Col11 'Eth0Bar' - } +# Row5 { +# Col1 'Disk' +# Col11 'DiskBar' +# } +# Row6 { +# Col1 'Eth0' +# Col11 'Eth0Bar' +# } } Layout L24x8 { @@ -395,7 +407,8 @@ Layout Test { #Display 'CF632' #Display 'CF633' #Display 'USBLCD' -Display 'T6963-240x64' +#Display 'T6963-240x64' +Display 'XWindow' Layout 'Default' #Layout 'L16x2' |