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SubjectRe: PS2 Input Core Support
On 17 Jul 02 at 16:01, Vojtech Pavlik wrote:
> On Wed, Jul 17, 2002 at 03:58:21PM +0200, Gunther Mayer wrote:
>
> > > > Hi,
> > > > any plans to support A4Tech mouse? It uses IMEX protocol, but
> > > >
> > > > switch(packet[3] & 0x0F) {
> > > > case 0: /* nothing */
> > > > case 1: vertical_wheel--; break;
> > > > case 2: horizontal_wheel++; break;
> > > > case 0xE: horizontal_wheel--; break;
> > > > case 0xF: vertical_wheel++; break;
> > > > }
> > > >
> > > > and obviously it never reports wheel move > 1 in one sample.
> > >
> > > Is there a way to detect whether it's an ImEx or A4? Or will we need a
> > > command line parameter ... ?
> >
> > from http://home.t-online.de/home/gunther.mayer/gm_psauxprint-0.01.c :
> >
> > char a4tech_id[]={ 0xf3,200, 0xf3,100, 0xf3,80, 0xf3,60, 0xf3,40, 0xf3,20};
> >
> > if(a4tech) {
> > sendbuf(fd,f,a4tech_id,12);
> > buf[0]=0xf2;
> > write(fd,&buf,1);
> > b=consumefa(f);
> > printf("a4tech ID(f2) is %x\n",b);
> >
> > if(b==6 || b==8) printf("AUTODETECT: a4tech\n");
> > // b=6: spiffy gyro-mouse "8D Profi-Mouse Point Stick"
> > // b=8: boeder Smartmouse Pro (4Button, 2Scrollwheel, 520dpi) PSM_4DPLUS_ID MOUSE_MODEL_4DPLUS
> > }
>
> Cool! Anyone send me a patch? ;)

Been there, done that... and unfortunately, my WOP35 insist on
taking first 6 bytes as PS/2->ImPS/2 sequence, and rest as normal
DPI settings. I tried it in reverse order, and couple of permutations,
but it still returns ExPS/2 id. I tried also other sequences from
gm_psauxprint-0.01, but I found nothing interesting, except that
mouse definitely does not support MS PNP id.

Answer from A4Tech support was that mouse is not supported under Linux,
and that I should use Windows and verify that mouse is properly connected.
So I'm on the best way to the command line switch, I think. Google
find couple of problem reporters, but nobody found detection method :-(

Petr Vandrovec
vandrove@vc.cvut.cz

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