Perhaps everything is run as root on the pi, but W1 requires root access.
Could that be the problem?
On Sun, Mar 3, 2013 at 1:40 PM, Sven Geggus <[email protected]>wrote:
> Paul Alfille <[email protected]> wrote:
>
> > owcapi uses the same library as owserver so should work fine with
> > OW_init("--w1") in the init call.
>
> Unfortunately it does seem to behave differently.
>
> Here ist the code:
>
> This version works fine:
> #include <stdio.h>
> #include <owcapi.h>
> int main() {
> char *s1;
> size_t slen1;
> OW_init("localhost:4304");
> OW_get("/",&s1,&slen1);
> printf("%s\n",s1);
> }
>
> Output:
>
> 10.0E72BC000800/,bus.0/,uncached/,settings/,system/,statistics/,structure/,simultaneous/,alarm/
>
> This version shows anything but the actual sensor:
> #include <stdio.h>
> #include <owcapi.h>
> int main() {
> char *s1;
> size_t slen1;
> OW_init("--w1");
> OW_get("/",&s1,&slen1);
> printf("%s\n",s1);
> }
>
> Output:
> bus.0/,uncached/,settings/,system/,statistics/,structure/
>
> In case of the first version I run "owserver --foreground --w1"
>
> Sven
>
> --
> "Thinking of using NT for your critical apps?
> Isn't there enough suffering in the
> world?"
> (Advertisement of Sun Microsystems in Wall Street
> Journal)
> /me is giggls@ircnet, http://sven.gegg.us/ on the Web
>
>
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