dnl Curses detection: Munged from Midnight Commander's configure.in dnl dnl What it does: dnl ============= dnl dnl - Determine which version of curses is installed on your system dnl and set the -I/-L/-l compiler entries and add a few preprocessor dnl symbols dnl - Do an AC_SUBST on the CURSES_INCLUDEDIR and CURSES_LIBS so that dnl @CURSES_INCLUDEDIR@ and @CURSES_LIBS@ will be available in dnl Makefile.in's dnl - Modify the following configure variables (these are the only dnl curses.m4 variables you can access from within configure.in) dnl CURSES_INCLUDEDIR - contains -I's and possibly -DRENAMED_CURSES if dnl an ncurses.h that's been renamed to curses.h dnl is found. dnl CURSES_LIBS - sets -L and -l's appropriately dnl CFLAGS - if --with-sco, add -D_SVID3 dnl has_curses - exports result of tests to rest of configure dnl dnl Usage: dnl ====== dnl 1) Add lines indicated below to acconfig.h dnl 2) call AC_CHECK_CURSES after AC_PROG_CC in your configure.in dnl 3) Instead of #include you should use the following to dnl properly locate ncurses or curses header file dnl dnl #if defined(USE_NCURSES) && !defined(RENAMED_NCURSES) dnl #include dnl #else dnl #include dnl #endif dnl dnl 4) Make sure to add @CURSES_INCLUDEDIR@ to your preprocessor flags dnl 5) Make sure to add @CURSES_LIBS@ to your linker flags or LIBS dnl dnl Notes with automake: dnl - call AM_CONDITIONAL(HAS_CURSES, test "$has_curses" = true) from dnl configure.in dnl - your Makefile.am can look something like this dnl ----------------------------------------------- dnl INCLUDES= blah blah blah $(CURSES_INCLUDEDIR) dnl if HAS_CURSES dnl CURSES_TARGETS=name_of_curses_prog dnl endif dnl bin_PROGRAMS = other_programs $(CURSES_TARGETS) dnl other_programs_SOURCES = blah blah blah dnl name_of_curses_prog_SOURCES = blah blah blah dnl other_programs_LDADD = blah dnl name_of_curses_prog_LDADD = blah $(CURSES_LIBS) dnl ----------------------------------------------- dnl dnl dnl The following lines should be added to acconfig.h: dnl ================================================== dnl dnl /*=== Curses version detection defines ===*/ dnl /* Found some version of curses that we're going to use */ dnl #undef HAS_CURSES dnl dnl /* Use SunOS SysV curses? */ dnl #undef USE_SUNOS_CURSES dnl dnl /* Use old BSD curses - not used right now */ dnl #undef USE_BSD_CURSES dnl dnl /* Use SystemV curses? */ dnl #undef USE_SYSV_CURSES dnl dnl /* Use Ncurses? */ dnl #undef USE_NCURSES dnl dnl /* If you Curses does not have color define this one */ dnl #undef NO_COLOR_CURSES dnl dnl /* Define if you want to turn on SCO-specific code */ dnl #undef SCO_FLAVOR dnl dnl /* Set to reflect version of ncurses * dnl * 0 = version 1.* dnl * 1 = version 1.9.9g dnl * 2 = version 4.0/4.1 */ dnl #undef NCURSES_970530 dnl dnl /*=== End new stuff for acconfig.h ===*/ dnl AC_DEFUN([AC_CHECK_CURSES],[ search_ncurses=true screen_manager="" has_curses=false CFLAGS=${CFLAGS--O} AC_SUBST(CURSES_LIBS) AC_SUBST(CURSES_INCLUDEDIR) AC_ARG_WITH(sco, [ --with-sco Use this to turn on SCO-specific code],[ if test x$withval = xyes; then AC_DEFINE(SCO_FLAVOR,1,[Define if you want to turn on SCO-specific code]) CFLAGS="$CFLAGS -D_SVID3" fi ]) AC_ARG_WITH(sunos-curses, [ --with-sunos-curses Used to force SunOS 4.x curses],[ if test x$withval = xyes; then AC_USE_SUNOS_CURSES fi ]) AC_ARG_WITH(osf1-curses, [ --with-osf1-curses Used to force OSF/1 curses],[ if test x$withval = xyes; then AC_USE_OSF1_CURSES fi ]) AC_ARG_WITH(vcurses, [ --with-vcurses[=incdir] Used to force SysV curses], if test x$withval != xyes; then CURSES_INCLUDEDIR="-I$withval" fi AC_USE_SYSV_CURSES ) AC_ARG_WITH(ncurses, [ --with-ncurses[=dir] Compile with ncurses/locate base dir], if test x$withval = xno ; then search_ncurses=false elif test x$withval != xyes ; then CURSES_LIBS="$LIBS -L$withval/lib -lncurses" CURSES_INCLUDEDIR="-I$withval/include" search_ncurses=false screen_manager="ncurses" AC_DEFINE(USE_NCURSES,1,[Use Ncurses?]) AC_DEFINE(HAS_CURSES,1,[Found some version of curses that we're going to use]) has_curses=true fi ) if $search_ncurses then AC_SEARCH_NCURSES() fi ]) AC_DEFUN([AC_USE_SUNOS_CURSES], [ search_ncurses=false screen_manager="SunOS 4.x /usr/5include curses" AC_MSG_RESULT(Using SunOS 4.x /usr/5include curses) AC_DEFINE(USE_SUNOS_CURSES,1,[Use SunOS SysV curses?]) AC_DEFINE(HAS_CURSES,1,[Found some version of curses that we're going to use]) has_curses=true AC_DEFINE(NO_COLOR_CURSES,1,[If you Curses does not have color define this one]) AC_DEFINE(USE_SYSV_CURSES,1,[Use SystemV curses?]) CURSES_INCLUDEDIR="-I/usr/5include" CURSES_LIBS="/usr/5lib/libcurses.a /usr/5lib/libtermcap.a" AC_MSG_RESULT(Please note that some screen refreshs may fail) ]) AC_DEFUN([AC_USE_OSF1_CURSES], [ AC_MSG_RESULT(Using OSF1 curses) search_ncurses=false screen_manager="OSF1 curses" AC_DEFINE(HAS_CURSES,1,[Found some version of curses that we're going to use]) has_curses=true AC_DEFINE(NO_COLOR_CURSES,1,[If you Curses does not have color define this one]) AC_DEFINE(USE_SYSV_CURSES,1,[Use SystemV curses?]) CURSES_LIBS="-lcurses" ]) AC_DEFUN([AC_USE_SYSV_CURSES], [ AC_MSG_RESULT(Using SysV curses) AC_DEFINE(HAS_CURSES,1,[Found some version of curses that we're going to use]) has_curses=true AC_DEFINE(USE_SYSV_CURSES,1,[Use SystemV curses?]) search_ncurses=false screen_manager="SysV/curses" CURSES_LIBS="-lcurses" ]) dnl AC_ARG_WITH(bsd-curses, dnl [--with-bsd-curses Used to compile with bsd curses, not very fancy], dnl search_ncurses=false dnl screen_manager="Ultrix/cursesX" dnl if test $system = ULTRIX dnl then dnl THIS_CURSES=cursesX dnl else dnl THIS_CURSES=curses dnl fi dnl dnl CURSES_LIBS="-l$THIS_CURSES -ltermcap" dnl AC_DEFINE(HAS_CURSES,1,[Found some version of curses that we're going to use]) dnl has_curses=true dnl AC_DEFINE(USE_BSD_CURSES,1,[Use old BSD curses - not used right now]) dnl AC_MSG_RESULT(Please note that some screen refreshs may fail) dnl AC_MSG_WARN(Use of the bsdcurses extension has some) dnl AC_MSG_WARN(display/input problems.) dnl AC_MSG_WARN(Reconsider using xcurses) dnl) dnl dnl Parameters: directory filename cureses_LIBS curses_INCLUDEDIR nicename dnl AC_DEFUN([AC_NCURSES], [ if $search_ncurses then if test -f $1/$2 then AC_MSG_RESULT(Found ncurses on $1/$2) CURSES_LIBS="$3" CURSES_INCLUDEDIR="$4" search_ncurses=false screen_manager=$5 AC_DEFINE(HAS_CURSES,1,[Found some version of curses that we're going to use]) has_curses=true AC_DEFINE(USE_NCURSES,1,[Use Ncurses?]) fi fi ]) AC_DEFUN([AC_SEARCH_NCURSES], [ AC_CHECKING(location of ncurses.h file) AC_NCURSES(/usr/include, ncurses.h, -lncurses,, "ncurses on /usr/include") AC_NCURSES(/usr/include/ncurses, ncurses.h, -lncurses, -I/usr/include/ncurses, "ncurses on /usr/include/ncurses") AC_NCURSES(/usr/local/include, ncurses.h, -L/usr/local/lib -lncurses, -I/usr/local/include, "ncurses on /usr/local") AC_NCURSES(/usr/local/include/ncurses, ncurses.h, -L/usr/local/lib -L/usr/local/lib/ncurses -lncurses, -I/usr/local/include/ncurses, "ncurses on /usr/local/include/ncurses") AC_NCURSES(/usr/local/include/ncurses, curses.h, -L/usr/local/lib -lncurses, -I/usr/local/include/ncurses -DRENAMED_NCURSES, "renamed ncurses on /usr/local/.../ncurses") AC_NCURSES(/usr/include/ncurses, curses.h, -lncurses, -I/usr/include/ncurses -DRENAMED_NCURSES, "renamed ncurses on /usr/include/ncurses") dnl dnl We couldn't find ncurses, try SysV curses dnl if $search_ncurses then AC_EGREP_HEADER(init_color, /usr/include/curses.h, AC_USE_SYSV_CURSES) AC_EGREP_CPP(USE_NCURSES,[ #include #ifdef __NCURSES_H #undef USE_NCURSES USE_NCURSES #endif ],[ CURSES_INCLUDEDIR="$CURSES_INCLUDEDIR -DRENAMED_NCURSES" AC_DEFINE(HAS_CURSES,1,[Found some version of curses that we're going to use]) has_curses=true AC_DEFINE(USE_NCURSES,1,[Use Ncurses?]) search_ncurses=false screen_manager="ncurses installed as curses" ]) fi dnl dnl Try SunOS 4.x /usr/5{lib,include} ncurses dnl The flags USE_SUNOS_CURSES, USE_BSD_CURSES and BUGGY_CURSES dnl should be replaced by a more fine grained selection routine dnl if $search_ncurses then if test -f /usr/5include/curses.h then AC_USE_SUNOS_CURSES fi else # check for ncurses version, to properly ifdef mouse-fix AC_MSG_CHECKING(for ncurses version) ncurses_version=unknown cat > conftest.$ac_ext < #else #include #endif #undef VERSION VERSION:NCURSES_VERSION EOF if (eval "$ac_cpp conftest.$ac_ext") 2>&AC_FD_CC | egrep "VERSION:" >conftest.out 2>&1; then changequote(,)dnl ncurses_version=`cat conftest.out|sed -e 's/^[^"]*"//' -e 's/".*//'` changequote([,])dnl fi rm -rf conftest* AC_MSG_RESULT($ncurses_version) case "$ncurses_version" in changequote(,)dnl 4.[01]) changequote([,])dnl AC_DEFINE(NCURSES_970530,2,[Set to reflect version of ncurses]) ;; 1.9.9g) AC_DEFINE(NCURSES_970530,1,[Set to reflect version of ncurses]) ;; 1*) AC_DEFINE(NCURSES_970530,0,[Set to reflect version of ncurses]) ;; esac fi ]) 7'>217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 
/* $Id$
 * $URL$
 *
 * new style driver for USBLCD displays
 *
 * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * based on the old-style USBLCD driver which is 
 * Copyright (C) 2002 Robin Adams, Adams IT Services <info@usblcd.de>
 *
 * 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_USBLCD
 *
 */

#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/ioctl.h>
#include <sys/time.h>

#ifdef HAVE_USB_H
#include <usb.h>
#endif

#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 "drv.h"
#include "drv_generic_text.h"


#define USBLCD_VENDOR  0x10D2
#define USBLCD_VENDOR2 0x1212
#define USBLCD_DEVICE  0x0001

#define IOC_GET_HARD_VERSION 1
#define IOC_GET_DRV_VERSION  2


static char Name[] = "USBLCD";

static char *Port = NULL;
static int use_libusb = 0;
static int usblcd_file;
static char *Buffer;
static char *BufPtr;


#ifdef HAVE_USB_H

static usb_dev_handle *lcd;
static int interface;

#endif



/****************************************/
/***  hardware dependant functions    ***/
/****************************************/

#ifdef HAVE_USB_H

static int drv_UL_open(void)
{
    struct usb_bus *busses, *bus;
    struct usb_device *dev;

    lcd = NULL;

    info("%s: scanning for USBLCD...", Name);

    usb_set_debug(0);

    usb_init();
    usb_find_busses();
    usb_find_devices();
    busses = usb_get_busses();

    for (bus = busses; bus; bus = bus->next) {
	for (dev = bus->devices; dev; dev = dev->next) {
	    if (((dev->descriptor.idVendor == USBLCD_VENDOR) ||
		 (dev->descriptor.idVendor == USBLCD_VENDOR2)) && (dev->descriptor.idProduct == USBLCD_DEVICE)) {

		unsigned int v = dev->descriptor.bcdDevice;

		info("%s: found USBLCD V%1d%1d.%1d%1d on bus %s device %s", Name,
		     (v & 0xF000) >> 12, (v & 0xF00) >> 8, (v & 0xF0) >> 4, (v & 0xF), bus->dirname, dev->filename);

		interface = 0;
		lcd = usb_open(dev);
		if (usb_claim_interface(lcd, interface) < 0) {
		    error("%s: usb_claim_interface() failed!", Name);
		    error("%s: maybe you have the usblcd module loaded?", Name);
		    return -1;
		}
		return 0;
	    }
	}
    }
    error("%s: could not find a USBLCD", Name);
    return -1;
}


static int drv_UL_close(void)
{
    usb_release_interface(lcd, interface);
    usb_close(lcd);

    return 0;
}

#endif


static void drv_UL_send(void)
{

#if 0
    struct timeval now, end;
    gettimeofday(&now, NULL);
#endif

    if (use_libusb) {
#ifdef HAVE_USB_H
	/* Fixme: Endpoint hardcoded to 1 ??? */
	usb_bulk_write(lcd, 1, Buffer, BufPtr - Buffer, 1000);
#endif
    } else {
	write(usblcd_file, Buffer, BufPtr - Buffer);
    }


#if 0
    gettimeofday(&end, NULL);
    debug("send %d bytes in %d usec (%d usec/byte)", BufPtr - Buffer,
	  (1000000 * (end.tv_sec - now.tv_sec) + end.tv_usec - now.tv_usec),
	  (1000000 * (end.tv_sec - now.tv_sec) + end.tv_usec - now.tv_usec) / (BufPtr - Buffer));
#endif

    BufPtr = Buffer;
}


static void drv_UL_command(const unsigned char cmd)
{
    *BufPtr++ = '\0';
    *BufPtr++ = cmd;
}


static void drv_UL_clear(void)
{
    drv_UL_command(0x01);	/* clear display */
    drv_UL_command(0x03);	/* return home */
    drv_UL_send();		/* flush buffer */
}


static void drv_UL_write(const int row, const int col, const char *data, int len)
{
    int pos;

    /* 16x4 Displays use a slightly different layout */
    if (DCOLS == 16 && DROWS == 4) {
	pos = (row % 2) * 64 + (row / 2) * 16 + col;
    } else {
	pos = (row % 2) * 64 + (row / 2) * 20 + col;
    }

    drv_UL_command(0x80 | pos);

    while (len--) {
	if (*data == 0)
	    *BufPtr++ = 0;
	*BufPtr++ = *data++;
    }

    drv_UL_send();
}

static void drv_UL_defchar(const int ascii, const unsigned char *matrix)
{
    int i;

    drv_UL_command(0x40 | 8 * ascii);

    for (i = 0; i < 8; i++) {
	if ((*matrix & 0x1f) == 0)
	    *BufPtr++ = 0;
	*BufPtr++ = *matrix++ & 0x1f;
    }

    drv_UL_send();
}


static int drv_UL_start(const char *section, const int quiet)
{
    int rows = -1, cols = -1;
    int major, minor;
    char *port, *s;
    char buf[128];

    if (Port) {
	free(Port);
	Port = NULL;
    }

    if ((port = cfg_get(section, "Port", NULL)) == NULL || *port == '\0') {
	error("%s: no '%s.Port' entry from %s", Name, section, cfg_source());
	return -1;
    }

    if (strcasecmp(port, "libusb") == 0) {
#ifdef HAVE_USB_H
	use_libusb = 1;
	debug("using libusb");
#else
	error("%s: cannot use 'libusb' port.", Name);
	error("%s: lcd4linux was compiled without libusb support!", Name);
	return -1;
#endif
    } else {
	if (port[0] == '/') {
	    Port = strdup(port);
	} else {
	    int len = 5 + strlen(port) + 1;
	    Port = malloc(len);
	    qprintf(Port, len, "/dev/%s", port);
	}
	debug("using device %s ", Port);
    }

    s = cfg_get(section, "Size", NULL);
    if (s == NULL || *s == '\0') {
	error("%s: no '%s.Size' entry from %s", Name, section, cfg_source());
	return -1;
    }
    if (sscanf(s, "%dx%d", &cols, &rows) != 2 || rows < 1 || cols < 1) {
	error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source());
	free(s);
	return -1;
    }

    DROWS = rows;
    DCOLS = cols;

    if (use_libusb) {

#ifdef HAVE_USB_H
	if (drv_UL_open() < 0) {
	    return -1;
	}
#endif

    } else {

	/* open port */
	usblcd_file = open(Port, O_WRONLY);
	if (usblcd_file == -1) {
	    error("%s: open(%s) failed: %s", Name, Port, strerror(errno));
	    return -1;
	}

	/* get driver version */
	memset(buf, 0, sizeof(buf));
	if (ioctl(usblcd_file, IOC_GET_DRV_VERSION, buf) != 0) {
	    error("%s: ioctl() failed, could not get Driver Version!", Name);
	    return -1;
	}
	info("%s: Driver Version: %s", Name, buf);

	if (sscanf(buf, "USBLCD Driver Version %d.%d", &major, &minor) != 2) {
	    error("%s: could not read Driver Version!", Name);
	    return -1;
	}
	if (major != 1) {
	    error("%s: Driver Version %d not supported!", Name, major);
	    return -1;
	}

	memset(buf, 0, sizeof(buf));
	if (ioctl(usblcd_file, IOC_GET_HARD_VERSION, buf) != 0) {
	    error("%s: ioctl() failed, could not get Hardware Version!", Name);
	    return -1;
	}
	info("%s: Hardware Version: %s", Name, buf);

	if (sscanf(buf, "%d.%d", &major, &minor) != 2) {
	    error("%s: could not read Hardware Version!", Name);
	    return -1;
	}

	if (major != 1) {
	    error("%s: Hardware Version %d not supported!", Name, major);
	    return -1;
	}
    }

    /* Init the command buffer */
    Buffer = (char *) malloc(1024);
    if (Buffer == NULL) {
	error("%s: coommand buffer could not be allocated: malloc() failed", Name);
	return -1;
    }
    BufPtr = Buffer;

    /* initialize display */
    drv_UL_command(0x29);	/* 8 Bit mode, 1/16 duty cycle, 5x8 font */
    drv_UL_command(0x08);	/* Display off, cursor off, blink off */
    drv_UL_command(0x0c);	/* Display on, cursor off, blink off */
    drv_UL_command(0x06);	/* curser moves to right, no shift */

    drv_UL_clear();		/* clear display */

    if (!quiet) {
	char buffer[40];
	qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
	if (drv_generic_text_greet(buffer, "http://www.usblcd.de")) {
	    sleep(3);
	    drv_UL_clear();
	}
    }

    return 0;
}


/****************************************/
/***            plugins               ***/
/****************************************/

/* none at the moment... */


/****************************************/
/***        widget callbacks          ***/
/****************************************/


/* using drv_generic_text_draw(W) */
/* using drv_generic_text_icon_draw(W) */
/* using drv_generic_text_bar_draw(W) */


/****************************************/
/***        exported functions        ***/
/****************************************/


/* list models */
int drv_UL_list(void)
{
    printf("generic");
    return 0;
}


/* initialize driver & display */
int drv_UL_init(const char *section, const int quiet)
{
    WIDGET_CLASS wc;
    int asc255bug;
    int ret;

    info("%s: %s", Name, "$Rev$");

    /* display preferences */
    XRES = 5;			/* pixel width of one char  */
    YRES = 8;			/* pixel height of one char  */
    CHARS = 8;			/* number of user-defineable characters */
    CHAR0 = 0;			/* ASCII of first user-defineable char */
    GOTO_COST = 2;		/* number of bytes a goto command requires */

    /* real worker functions */
    drv_generic_text_real_write = drv_UL_write;
    drv_generic_text_real_defchar = drv_UL_defchar;


    /* start display */
    if ((ret = drv_UL_start(section, quiet)) != 0)
	return ret;

    /* initialize generic text driver */
    if ((ret = drv_generic_text_init(section, Name)) != 0)
	return ret;

    /* initialize generic icon driver */
    if ((ret = drv_generic_text_icon_init()) != 0)
	return ret;

    /* initialize generic bar driver */
    if ((ret = drv_generic_text_bar_init(0)) != 0)
	return ret;

    /* add fixed chars to the bar driver */
    /* most displays have a full block on ascii 255, but some have kind of  */
    /* an 'inverted P'. If you specify 'asc255bug 1 in the config, this */
    /* char will not be used, but rendered by the bar driver */
    cfg_number(section, "asc255bug", 0, 0, 1, &asc255bug);
    drv_generic_text_bar_add_segment(0, 0, 255, 32);	/* ASCII  32 = blank */
    if (!asc255bug)
	drv_generic_text_bar_add_segment(255, 255, 255, 255);	/* ASCII 255 = block */

    /* register text widget */
    wc = Widget_Text;
    wc.draw = drv_generic_text_draw;
    widget_register(&wc);

    /* register icon widget */
    wc = Widget_Icon;
    wc.draw = drv_generic_text_icon_draw;
    widget_register(&wc);

    /* register bar widget */
    wc = Widget_Bar;
    wc.draw = drv_generic_text_bar_draw;
    widget_register(&wc);

    /* register plugins */
    /* none at the moment... */


    return 0;
}


/* close driver & display */
int drv_UL_quit(const int quiet)
{

    info("%s: shutting down.", Name);

    /* flush buffer */
    drv_UL_send();

    drv_generic_text_quit();

    /* clear display */
    drv_UL_clear();

    /* say goodbye... */
    if (!quiet) {
	drv_generic_text_greet("goodbye!", NULL);
    }

    if (use_libusb) {
#ifdef HAVE_USB_H
	drv_UL_close();
#endif
    } else {
	debug("closing port %s", Port);
	close(usblcd_file);
    }

    if (Buffer) {
	free(Buffer);
	Buffer = NULL;
	BufPtr = Buffer;
    }

    return (0);
}


DRIVER drv_USBLCD = {
    .name = Name,
    .list = drv_UL_list,
    .init = drv_UL_init,
    .quit = drv_UL_quit,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-02 03:34:01 +0000