On Aug 18, 2011, at 10:06 AM, Uwe Bonnes wrote:
>>>>>> "Damjan" == Damjan Marion <damjan.marion@xxxxxxxxx> writes:
>
> Damjan> Hi,
>
> Damjan> I have issues running MPSSE I2C code on new FT232H.
>
> Damjan> My code works well with FT2232H but it fails to read data from
> Damjan> FT232H.
>
> Do you see the waveform with a scope?
I didn't try.
>
> Do you use the FT232H new I2cC features?
> 7 FT232H ONLY
No, I run completely the same code on both. Only thing I change is USB PID.
>
> 7.1 Set I/O to only drive on a '0' and tristate on a '1'
> 0x9E
>
> Damjan> I tried to execute completely the same set of MPSSE instructions
> Damjan> with libft2xx and it works well on both devices. I think that
> Damjan> this proves that it is something wrong with libftdi and not with
> Damjan> hardware or MPSSE code.
>
> Can you provide code to test on a UM232H?
http://web.me.com/dmarion/ftdi/bmp085.c
I made my own board, my board schematics is:
http://web.me.com/dmarion/ftdi/ft232h_mini_v2.pdf
>
> Damjan> Has anybody else tried to play with this new FT232H and libftdi?
>
> Damjan> BTW Another interesting issue is that I2C MPSSE works only on
> Damjan> INTERFACE_A on FT2232. When i change it to INTERFACE_B it
> Damjan> fails....
>
> Only with libftdi or also with FTD2XX?
Didn't try with FTD2xx.
Thanks,
Damjan
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