>>>>> "Thomas" == Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx> writes:
...
>> This will help with small transactions.
Thomas> we could add a special case for the FT2232H chips, that would be
Thomas> easy to do.
Thomas> When I see code like this in the library
Thomas> if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H ||
Thomas> ftdi->type == TYPE_232H) packet_size = 512;
Thomas> I'm wondering if the other hi-speed xxxH devices also support
Thomas> this?
Hallo Thomas,
a look at the FTDI products page show that there are only FT232H, FT2232H
and FT4232H as USB high speed chips with UART functionality. FT313H and
FT4222H don't have uart functionality and are probably not scope of
libftdi. Correct me, if I am wrong.
A latency of 0 is mentioned in the FT232|2232|4232H datasheets.
B.t.w. in our example directory I miss an example showing asynchronous
transfer...
Bye
--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
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