On Aug 18, 2011, at 10:06 AM, Uwe Bonnes wrote: >>>>>> "Damjan" == Damjan Marion <[email protected]> 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 -- libftdi - see http://www.intra2net.com/en/developer/libftdi for details. To unsubscribe send a mail to [email protected]
