libftdi Archives

Subject: Re: ftdi_eeprom and FT4232H

From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Mon, 25 Jul 2011 12:56:40 +0200
>>>>> "Xiaofan" == Xiaofan Chen <xiaofanc@xxxxxxxxx> writes:

    Xiaofan> On Mon, Jul 25, 2011 at 5:04 PM, Uwe Bonnes
    Xiaofan> <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
    >>>>>>> "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.
    >> 

    Xiaofan> it seems to me that ftdi_eeprom has not been updated for a
    Xiaofan> while and then it is absorbed in to libftdi-1.0 for the 1.0
    Xiaofan> branch and it seems to have better features than the
    Xiaofan> ftdi_eeprom branch.
    Xiaofan> http://developer.intra2net.com/git/?p=ftdi_eeprom

ftdi_eeprom: Thomas' toy, needs config file but no compilation
examples/eeprom and like: My toys, no config file but needs compilation

    Xiaofan> Does this mean that ftdi_eeprom will not be further updated?

The separate tree will probably at least dissolve in the libftdi-1.0 tree

    Xiaofan> In that case, then probably it is good to release libftdi-1.0
    Xiaofan> asap.

There are pending patches, Thomas seems short on spare time and I would like
to make at least the EEPROM structure opaque. I didn't think about the
ftdi_context yet, and I will be on holidays until mid of Augus soon.

So I think (and propose) no release before end of August...


-- 
Uwe Bonnes                bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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

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