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New option `-g' to allow selecting custom text geometry in VESA_800x600 raster

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text mode. For example `vidcontrol -g 100x37 VESA_800x600' will setup 100x37
text mode as opposed to default 80x25.

Reviewed by:	imp
This commit is contained in:
Maxim Sobolev 2001-01-25 16:53:22 +00:00
parent a0e3937ccb
commit acdb2839d6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=71642
2 changed files with 53 additions and 6 deletions
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18
usr.sbin/vidcontrol/vidcontrol.1
View File

@ -25,6 +25,7 @@
.Op Fl c Ar appearance
.Op Fl d
.Op Fl f Ar size Ar file
.Op Fl g Ar geometry
.Op Fl i Cm adapter | mode
.Op Fl l Ar screen_map
.Op Fl L
@ -159,6 +160,18 @@ and
.Sx EXAMPLES
below and the man page for
.Xr syscons 4 .
.It Fl g Ar geometry
Set the
.Ar geometry
of the text mode for the modes with selectable
geometry. Currently only raster modes, such as
.Ar VESA_800x600 ,
support this option.
See also
.Sx Video Mode Support
and
.Sx EXAMPLES
below.
.It Fl s Ar number
Set the current vty to
.Ar number .
@ -283,6 +296,11 @@ option if the file is found in
.Pp
The above command will load
.Pa /usr/share/syscons/scrnmaps/iso-8859-1_to_cp437.scm .
.Pp
The following command will set-up a 100x37 raster text mode (useful for
some LCD models):
.Pp
.Dl vidcontrol -g 100x37 VESA_800x600
.Sh SEE ALSO
.Xr kbdcontrol 1 ,
.Xr vidfont 1 ,

41
usr.sbin/vidcontrol/vidcontrol.c
View File

@ -44,6 +44,10 @@ static const char rcsid[] =
#include "path.h"
#include "decode.h"
#define _VESA_800x600_DFL_COLS 80
#define _VESA_800x600_DFL_ROWS 25
#define _VESA_800x600_DFL_FNSZ 16
char legal_colors[16][16] = {
"black", "blue", "green", "cyan",
"red", "magenta", "brown", "white",
@ -52,6 +56,8 @@ char legal_colors[16][16] = {
};
int hex = 0;
int number;
int vesa_cols = _VESA_800x600_DFL_COLS;
int vesa_rows = _VESA_800x600_DFL_ROWS;
char letter;
struct vid_info info;
@ -62,8 +68,8 @@ usage()
fprintf(stderr, "%s\n%s\n%s\n%s\n",
"usage: vidcontrol [-r fg bg] [-b color] [-c appearance] [-d] [-l scrmap]",
" [-i adapter | mode] [-L] [-M char] [-m on|off]",
" [-f size file] [-s number] [-t N|off] [-x] [mode]",
" [fgcol [bgcol]] [show]");
" [-f size file] [-s number] [-t N|off] [-x] [-g geometry]",
" [mode] [fgcol [bgcol]] [show]");
exit(1);
}
@ -318,9 +324,25 @@ video_mode(int argc, char **argv, int *index)
if (ioctl(0, mode, NULL) < 0)
warn("cannot set videomode");
if (mode == SW_VESA_800x600) {
size[0] = 80; /* columns */
size[1] = 25; /* rows */
size[2] = 16; /* font size */
/* columns */
if ((vesa_cols * 8 > 800) || (vesa_cols <= 0)) {
warnx("incorrect number of columns: %d",
vesa_cols);
size[0] = _VESA_800x600_DFL_COLS;
} else {
size[0] = vesa_cols;
}
/* rows */
if ((vesa_rows * _VESA_800x600_DFL_FNSZ > 600) ||
(vesa_rows <=0)) {
warnx("incorrect number of rows: %d",
vesa_rows);
size[1] = _VESA_800x600_DFL_ROWS;
} else {
size[1] = vesa_rows;
}
/* font size */
size[2] = _VESA_800x600_DFL_FNSZ;
if (ioctl(0, KDRASTER, size)) {
ioerr = errno;
if (cur_mode >= M_VESA_BASE)
@ -574,7 +596,7 @@ main(int argc, char **argv)
info.size = sizeof(info);
if (ioctl(0, CONS_GETINFO, &info) < 0)
err(1, "must be on a virtual console");
while((opt = getopt(argc, argv, "b:c:df:i:l:LM:m:r:s:t:x")) != -1)
while((opt = getopt(argc, argv, "b:c:df:g:i:l:LM:m:r:s:t:x")) != -1)
switch(opt) {
case 'b':
set_border_color(optarg);
@ -589,6 +611,13 @@ main(int argc, char **argv)
load_font(optarg,
nextarg(argc, argv, &optind, 'f'));
break;
case 'g':
if (sscanf(optarg, "%dx%d", &vesa_cols,
&vesa_rows) != 2) {
warnx("incorrect geometry: %s", optarg);
usage();
}
break;
case 'i':
show_info(optarg);
break;