Good morning Uwe, On Thursday, 22 February 2018 10:29:32 CET Uwe Bonnes wrote: > Hello, > > I want to bring up an old report from 19 Aug 2010. > > The issue seems not to be resolved yet: > >>>>> "Fewell," == Fewell, Edward <efew...@ti.com> writes: > Fewell,> Per Gordon Lunn of FTDI: "With the FTxxxxH devices a latency of > Fewell,> 0ms actually works and allows for fastest performance." > > Fewell,> I confirmed with a modified libftdi driver that this does work > Fewell,> with a FT2232H chip, and can improve throughput. > > Fewell,> Edward Fewell > > This will help with small transactions.
we could add a special case for the FT2232H chips, that would be easy to do. When I see code like this in the library if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H || ftdi->type == TYPE_232H) packet_size = 512; I'm wondering if the other hi-speed xxxH devices also support this? Cheers, Thomas -- libftdi - see http://www.intra2net.com/en/developer/libftdi for details. To unsubscribe send a mail to libftdi+unsubscr...@developer.intra2net.com