Re: [Discuss-gnuradio] About EEPROM and FX2(68013a) USB interface in USRP

[tonygc]

hi, i have the same question as yours. can you give me some guide? 

Liang Xin 梁昕 wrote:
> 
> Thank you very much, Eric!
> 
> I konw it is the USB issue, and I am really a greenhand in this area. I
> have
> learned how to change PID/VID via EEPROM and how to burn program in it
> now.
> 
> And my question is which source code is the content of the EEPROM in
> gnuradio, that I can burn it in? it should be a data file in the package,
> right?
> 
> Thank you again!
> 
> BR
> Sindy
> 
> 2010/4/13, Eric Blossom <address@hidden>:
>>
>> On Mon, Apr 12, 2010 at 04:02:43PM +0800, Liang Xin 梁昕 wrote:
>> > Hi All
>> >
>> > I am developing a board with gnuradio which is like USRP. It is also
>> use
>> > FX2LP(CY7C68013a) and AD9862, and I add some surroundings.
>> >
>> > I hope that my board can work well with gnuradio, but it seems like it
>> can
>> > only support USRP now.  So could you please give me some help, if I
>> want
>> to
>> > run gnuradio on my board. How should I do with it?
>> >
>> > Now I do some test with my board.
>> > ----------------------------------------------
>> >
>> > When I plug the board to host and run command :  lsusb
>> > the information list as below:
>> >
>> > Bus 002 Device 003: ID 0b4:8613 Cypress Semiconductor corp. CY7C68013
>> EZ-USB
>> > FX2 USB 2.0 Development Kit
>> >
>> > When I plug the USRP it shows
>> > Bus 002 Device 003: ID 0xfffe:0x0002
>> >
>> >  My board is recognized by PC, but VID and PID is different from USRP.
>> > What's the problem with it?
>> > It means the driver(s) is not correct? Or I should change something in
>> the
>> > source or head file?
>> >
>> > PS: I don't configuration EEPROM with CY7C68013a now. Does this cause
>> some
>> > issues? Should I leave it blank? If not, what and how should I burn in
>> it?
>>
>> Your questions reveal that you don't know have much of an
>> understanding of USB.  If you hope to create a USB based device,
>> you should probably spend some time studying the USB 2.0 specs.
>>
>> Eric
>>
> 
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