libftdi Archives

Subject: Re: Latency timer of zero should be allowed on FTxxxxH devices.

From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Thu, 22 Feb 2018 10:29:32 +0100
Hello,

I want to bring up an old report from  19 Aug 2010.
The issue seems not to be resolved yet:

>>>>> "Fewell," == Fewell, Edward <efewell@xxxxxx> 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.

Bye
-- 
Uwe Bonnes                bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 1623569 ------- Fax. 06151 1623305 ---------

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