Thanks for this info.
So what is the function that his enum is used in?
Jo
On 6/13/2014 2:13 PM, Uwe Bonnes wrote:
>>>>>> "Joachim" == Joachim Schambach <jschamba@xxxxxxxxxxxxxxxxxx> writes:
> Joachim> Hi, I have been using libftd2xx to communicate with a FT2232H
> JoachAim> chip in one of my devices. This chip has two FIFOs that can be
> Joachim> addressed independently over the same USB interface, and in the
> Joachim> case of libftd2xx one uses the serial number appended with
> Joachim> either "A" or "B" to access these two different interfaces. I
> Joachim> am now in the process of porting my software to libftdi and was
> Joachim> wondering how one handles this in this API. When I use the
> Joachim> supplied "find_all" example, the FT2232H chip appear only as
> Joachim> one device, not as two as was the case with libftd2xx. So is
> Joachim> the function "ftdi_usb_open_desc_index " the function to use to
> Joachim> accomplish this? If so, would the indexes be "0" and "1"?
> Joachim> Sorry if this is a trivial question that was asked before, I am
> Joachim> still kind of new to libftdi... thanks, Jo
>
> A look in the header file will show:
> /** Port interface for chips with multiple interfaces */
> enum ftdi_interface
> {
> INTERFACE_ANY = 0,
> INTERFACE_A = 1,
> INTERFACE_B = 2,
> INTERFACE_C = 3,
> INTERFACE_D = 4
> };
>
> Hope this helps.
>
> Bye
>
--
Dr Joachim Schambach tel: +1 512 471 1303
The University of Texas at Austin fax: +1 512 471 9637
Department of Physics email1: jschamba@xxxxxxxxxxxxxxxxxx
1 University Station C1600 email2: jschamba@xxxxxxxxxxxxxxxxx
Austin, Texas 78712-0264, USA
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