nanopi/allwinner i2c not working.

[Daniel Braniss]

> On 7 Oct 2020, at 11:59, Andriy Gapon <avg at FreeBSD.org> wrote:
> 
> On 07/10/2020 11:33, Andriy Gapon wrote:
>> Perhaps the problem is on the device's side?
> 
>> From here https://www.nxp.com/docs/en/user-guide/141520.pdf
>  § 6.2.4
>  However, it may happen that the PN532 does not acknowledge its own address
>  immediately after having finished a previous exchange.
> 
> So, perhaps an application level delay is needed?
> I am not really familiar with the device and its communication protocol details,
> so maybe I am talking nonsense.
there is some black magic involved here :-)
i’ll try putting someday, and some other stuff.
btw, I have a dtsoto enable the 2nd. 2c but now Isee that the ‘official’ one is different,
can you priced me with a correct one?
and is there a way to lower the i2c speed?

thanks,
	and it’s back to the drawing board for me.

danny

> 
> -- 
> Andriy Gapon