libftdi Archives

Subject: Re: ftdi_eeprom and FT4232H

From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Mon, 25 Jul 2011 11:04:14 +0200
>>>>> "Robert" == Robert Pearce <rob@xxxxxxxxxxxxxxxxxxxx> writes:

    Robert> Hello all, I'm new here. I have designed a system with an
    Robert> FT4232H for which we are using a PID allocated by FTDI. I wanted
    Robert> to use ftdi_eeprom to configure this (and avoid the painful
    Robert> install-the-driver-eight-times-per-unit behaviour of Windoze)
    Robert> but found it wouldn't do the job. The configuration file gave
    Robert> the new PID and the program therefore couldn't see the blank
    Robert> FT4232.

    Robert> I attach a patch (against current git, I hope) that fixes this,
    Robert> by changing the fall-back behaviour to try the three defaults
    Robert> for the various devices, rather than only the original one.

For a recent libftdi-1,
i = ftdi_usb_open(&ftdi, 0, 0);
should do the same job then searching for all VIFDS/PID explicit.

Bye
-- 
Uwe Bonnes                bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------

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