Sergey, but anyway if your touchscreen is mounted in the wrong way the pointer will then not follow your fingertips
this is from xf86Elo.c <---- /* *************************************************************************** * * Default constants. * *************************************************************************** */ #define ELO_MAX_TRIALS 3 /* Number of timeouts waiting for a */ /* pending reply. */ #define ELO_MAX_WAIT 100000 /* Max wait time for a reply (microsec) */ #define ELO_UNTOUCH_DELAY 5 /* 100 ms */ #define ELO_REPORT_DELAY 1 /* 40 ms or 25 motion reports/s */ #define ELO_LINK_SPEED B9600 /* 9600 Bauds */ #define ELO_PORT "/dev/ttyS1" #define DEFAULT_MAX_X 3000 #define DEFAULT_MIN_X 600 #define DEFAULT_MAX_Y 3000 #define DEFAULT_MIN_Y 600 ----> > -----Original Message----- > From: Sergey Babkin [mailto:[EMAIL PROTECTED] > Sent: Wednesday, May 25, 2005 2:16 PM > To: Veikko Werner; [EMAIL PROTECTED]; devel@XFree86.Org > Subject: Re: RE: Touch Input Driver port 3.3.6 -> 4.x > > > >From: Veikko Werner <[EMAIL PROTECTED]> > > > > >There are no default Xmin/Max Ymin/Max values for any > resistive touch devices. > >A good possibility would be to include a calibration routine > into the driver if possible. > > There are manufacturer-specified ranges for both > ELO and Microtouch (though I don't know if they > are using the resistive technology). They may > be not perfectly precise but they are good > enough for the precision of a finger touch - > since the fingers are much bigger than pixels, > you can't touch a particular pixel anyway. > For ELO the range is around from 300 to 3700 > I don't remember the exact numbers, for > Microtouch it's from 0 to 16K. > > The drivers have the defaults compiled into them > which can be changed from XF86Config. The problem > is that the ELO driver has (had?) it's defaults > set to 0-16K as well, so without an explicit > setting in the config file it does not work > in any useful manner. > > -SB > > >> -----Original Message----- > >> From: Sergey Babkin [mailto:[EMAIL PROTECTED] > >> Sent: Saturday, May 21, 2005 2:52 AM > >> To: devel@XFree86.Org > >> Subject: Re: Touch Input Driver port 3.3.6 -> 4.x > >> > >> > >> Fred Gleason wrote: > >> > > >> > On Wednesday 18 May 2005 18:48, Quentin Olson wrote: > >> > > I have the source for an old input driver that was > >> written for XFree86 > >> > > 3.3.6 that I would like to use under 4.x (4.5). Is there any > >> > > documentation on what is required, howtos, etc.? > >> > > >> > Which touch hardware in particular are you trying to > >> support? A driver for > >> > the USB-based ELOs was just recently added. > >> > >> BTW, the serial ELO driver could benefit by setting the defaults > >> X and Y ranges correctly. They are something like 300 to 3700, > >> same as for USB. I can look up the exact values in the ELO docs > >> if anybody cares. > >> > >> Or maybe they are already correct now - I haven't checked it > >> for a while. > >> > >> -SB > >> _______________________________________________ > >> Devel mailing list > >> Devel@XFree86.Org > >> http://XFree86.Org/mailman/listinfo/devel > >> > > _______________________________________________ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel