Am 24.10.2016 um 00:46 schrieb Dr. Trigon:
>
> I do not have any USB Master. I played with the DS1WM on a Papilio
> DUO FPGA but this is not usable yet. I do have some Raspis lay around
> (for GPIO master). Whats your advice? Whats most simple? Fastest to
> get and/or build? Cheapest? ;)
>
The GPIO master is just fine. It's 3.3V and the DS28E17 is 3.3V also, so
you can hook them up directly.
Remember you need a dtb overlay in config.txt to activate it.
Check your I²C device is 3.3V, too. Most are but that could be a source
of problems. If it isn't, use e.g. the 3.3V -> 5V level shifter I drawed
in the w1_ds28e17 README file.
Take a look at the userspace example programs to access your I²C device,
or use an existing driver on the DS28E17 I²C master device.
Kind regards
Jan
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