Am 20.02.2015 um 21:40 schrieb Matthias Urlichs:
>
> for home automation I'm (finally) going to implement a couple of
> semi-intelligent 1wire slaves. Control the heating system, water the garden,
> and other things that can't be done by a central server and dumb 1wire
> slaves because the house will burn down and the yard'll get flooded. ;-)
> (Don't worry, there'll still be other safeguards.)
>
> However, to actually talk to these things will require some new if there's
> no closely-related existing chip to copy.
>
I strongly recommend to use Pascal Baerten's BAE0911 device instead of
developing a slave on your own. OWFS has support for this device and
Pascal is actively developing it. It has a built-in interpreter for a
feature-rich assembler/C-Like language, Pascal calls it the "Automation
Engine".
I used this sucessfully for a bunch of different onewire slaves which
need internal logic, mostly for having a watchdog and for some internal
preprocessing. About ~150 devices are in service in various locations
and I plan to install thousands.
And the BAE0911 is cheap. Ask Pascal for your price.
If you need help with the AE coding, you can ask for help here.
Kind regards
Jan
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