Am Donnerstag, 3. November 2005 15:27 schrieben Sie:
> > The second value is on ffffffb1 and not on b1, that must be because value
> > is defined as __s32, or not? How can I modify this in linux, because I
> > think it is not enough to adapt the hiddev.h and set "_u32 value" in the
> > hiddev_usage_ref....
> >
> > int knx_send( const char report[5], int fd )
> > {
> > struct hiddev_usage_ref uref;
>
> [..]
>
> > uref.value = *report++;
>
> [..]
>
> report is declared as char*, which is a signed 8-bits value. 0xb1 is thus
> interpreted as -79, which is assigned to uref.value. uref.value is a signed
> 32-bits value, and thus -79 is encoded as a 32 bits signed integer, which
> gives 0xffffffb1.
>
> Laurent Pinchart
>
>
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Hey,,thank you for the help. But what you told me I already knew. My question
now is, how can I give a byte like 0xb1 to the device? Have I to split it
up,or have I to adapt the hiddev.h?
--
Günther Obrist
[EMAIL PROTECTED]
Moeller Gebäudeautomation KG
Scheydgasse 42, 1215 Wien
AUT Entwicklung Wien
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