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 <[email protected]> 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: [email protected] 1 University Station C1600 email2: [email protected] Austin, Texas 78712-0264, USA -- libftdi - see http://www.intra2net.com/en/developer/libftdi for details. To unsubscribe send a mail to [email protected]
