On Wed, Oct 07, 2009 at 12:50:49PM +0200, Oliver Hartkopp wrote: > Kurt Van Dijck wrote: > > On Tue, Oct 06, 2009 at 06:59:24PM +0200, Oliver Hartkopp wrote: > >> Marc Kleine-Budde wrote: > >>> Kurt Van Dijck wrote: > > >>>> I _assume_ the wake pin is mostly not connected to the cpu, but direct > >>>> into the power circuitry. What can a linux driver do with the wake pin? > >>> it can generate an interrupt that wakes up the whole linux system from > >>> suspend to ram. Imagine a fast booting concept in the automotive > >>> environment. > >> Yep. The 'wake' pin is some kind of additional input to wake the system not > >> only by detecting CAN traffic. E.g. you could attach a RTC or something > >> else > >> here ... > > You mean the 'wake' pin from power circuit here? > > I (and Marc too, I guess) meant the 'wake' output from the TJA1041 > > 'wake' is *not* an output. > > Or are you talking about the INH (inhibit) output, which is used to switch the > powersupply? I see. 'wake' is an input for tja1041, used for 'daisy chaining' (I think that's the word). Thanks for the explanation
Kurt > > Regards, > Oliver _______________________________________________ Socketcan-core mailing list [email protected] https://lists.berlios.de/mailman/listinfo/socketcan-core
