[En-Nut-Discussion] TWI aka I2C, not getting an ACK back?

[Douglas Pearless]

Hi Harald,

Yes I know about the 1 bit.

I have traced further and found that I hadn't setup the speed correctly 
(it was too fast, well over 400k!)

Cheers Douglas

Harald Kipp wrote:

> Sure, that you used the 7-bit address?
>
> The Nut/OS twi driver will shift this left by one bit
> to include the R/W bit.
>
> Harald
>
> At 22:44 13.03.2005 +1300, you wrote:
>
>> Hi,
>>
>> I am trying to interface a DS1307 to the TWI.
>>
>> I send it the address, and do not get an acknowledge back (I used a 
>> logic analyser to verify the return code I was getting in the software).
>>
>> Any ideas (yes tried a DS1337 which has the same address too).
>>
>> Cheers Douglas
>
>
> _______________________________________________
> En-Nut-Discussion mailing list
> En-Nut-Discussion at egnite.de
> http://www.egnite.de/mailman/listinfo.cgi/en-nut-discussion
>