Hi all,
Just wondering why the trick returns 3 instead of B.
Anyone has some ideas?
Mark, I guess you cant see any devices after running the trick (i2cdetect
on your bus) ?
Regards
Rudolf
> Rudolf,
> here's the output of 'trick'
>
> bambi:~/lm_sensors2# ./trick
> Was 3
> Wrote b, readback 3
> bambi:~/lm_sensors2#
>
>
> Regards
> Mark Strong
>
> On Wed, 2005-03-09 at 10:43 +0100, Rudolf Marek wrote:
> > Hello,
> >
> > You board has same GPIO base addr so the trick might work too.
> > Because I dont know how to force isadump to dump only one byte
> > I made some program that could do the trick for you.
> >
> > We dont know if this would work. In general it is not good to
> > play with GPIO when we dont know what they doing but the risk
> > is sometimes gain :)
> >
> > #include <sys/io.h>
> > #include <stdio.h>
> > int main(void) {
> > unsigned char val;
> > iopl(3);
> > val=inb(0x4B9);
> > printf("Was %x\n",val);
> > val&=~0x4; //clear bit 2
> > val|=0x8; //set bit3
> > outb(val,0x4B9);
> > printf("Wrote %x, readback %x\n",val,inb(0x4B9));
> > return 0;
> > }
> >
> > gcc trick.c -o trick
> > su
> > ./trick
> >
> > I would like to see the i2cdump (or if you have recent sensors-detect you
> > can try it also) and dump of this program.
> >
> > Thanks
> >
> > Rudolf
>
>
