Am 09.01.2016 um 17:37 schrieb Solèr Ursin:
>
> Thanks a lot for this useful summary! I think I got the main points now.
> Next step then is to use a user written /usr/bin/owgpio in the owfs externals
> config and this script accesses /sys/class/gpio/gpiochip248, as you
> described earlier, right?
>
Yes. And to configure the owfs.conf of the owserver host to include
external sensors.
>> Sure. I think it's not possible to half-solder a chip without using an
>> oven. I've tried half-a-dozen companies which labelled themselves as
>> "professional" but they don't even get to place chips on prototypes all
>> in the right direction. What do you learn about that: You need to do all
>
> Ok, but I would call such a company pseudo professional at most. That's
> a pitty.
>
How do I tell apart professionals from pseudo-professionals without
trying out first what they can do? By checking if they own a whip to
teach their employees to work flawlessly? I think the big problem is,
prototyping is tedious work done by hand, and there are many companies
in the market who outsource this. And only this. So even if you check
their equipment, it's likely they don't use it to do your prototypes.
>
> Ok, I'm fine with this if you are!
>
It has already been ordered from Mouser. Will arrive next week. Have to
see when I can start.
By the way: Pascal Baerten has told me he updated his brain4home.eu
page. Have you asked him for a sample of his chip? I say that because in
contrary to the DS28E17, the BAE0911 has more intelligence built-in, so
it can interface to a connected I²C chip right now from a user program
put into it, and return the result through one of its general purpose
data properties in OWFS. And it's working right now.
Kind regards
Jan
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