[ts-7000] Re: TS-7400 DIO

[Rodrigo Gómez <>]

I chage the line:
control = (char *)mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd,
0x12000000);
and even send the error data (segmentation fault).

Any other sugestion?

rgo
--- In  "Yan Seiner" <> wrote:
>
> --- In  Rodrigo Gómez <smrodin@> wrote:
> >
> > Hello everybody
> >
> > Have some of you accessed at DIOs 16 and 17 in the 7400?
> >
> > I tried to acces to memory map, but the program returned "segmentation
> > fault"
> > I just tried the address in the manual:
> > "0x1200_0001: GPIO direction/data for DIO_16 to DIO_19
> >   bit 3:0 - data register
> >   bit 7:4 - data direction register ('1' means 'output')"
> >
> > My code is:
> > #include <sys/mman.h>
> > #include <sys/types.h>
> > #include <sys/stat.h>
> > #include <fcntl.h>
> > #include <unistd.h>
> >
> > int main(int argc, char *argv[])
> > {
> >   int fd = open("/dev/mem", O_RDWR|O_SYNC);
> >   int ledPrender;
> >   unsigned char *control;
> > control = (char *)mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd,
> > 0x12000001);
>
> This doesn't look page aligned... 0x12000000 maybe?
>
> > control[0] = 0xF0;
> > control[0] = 1;
> > }
> > I'm runnig with root permisions over debian running in a USB memory
> > Any help would be great!
> > Thanks
> > rgo
> >
>





Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/ts-7000/

<*> Your email settings:
    Individual Email | Traditional

<*> To change settings online go to:
    http://groups.yahoo.com/group/ts-7000/join
    (Yahoo! ID required)

<*> To change settings via email:
    
    

<*> To unsubscribe from this group, send an email to:
    

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/