Board v3c shipped with PID=0x7780

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Board v3c shipped with PID=0x7780

Postby jluc » Tue May 23, 2017 4:59 am

Hi all,
I just received a v3c board, but installing drivers fails. It appears the board was pre-configured with VID=0x403, PID=0x7780, and not the usual PID=0x6010. This is confirmed by lsusb on linux and usb-view on Windows.
FT_Prog fails to scan the device and consequently I cannot reprogram the EEPROM of the FT2232...
Any hint on how to change the PID ? (beside asking WHY my board was shipped like that...).
Thanks.
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Re: Board v3c shipped with PID=0x7780

Postby tayken » Sat May 27, 2017 9:15 am

I see someone else had the same problem: https://forum.creatordev.io/t/bus-blast ... ems/237/18 Probably some problem on the sourcing end.

If you have any other SPI adapters, you can use it to erase and reprogram the EEPROM via JP3. But I believe that it's already empty. Can you verify this?
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Re: Board v3c shipped with PID=0x7780

Postby jluc » Mon May 29, 2017 1:38 am

I could successfully change the PID using ftx_prog on linux (specifying the old PID). My board is now detected under Windows as well. I could write the CPLD from Linux and it now works like a charm.
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Re: Board v3c shipped with PID=0x7780

Postby tayken » Mon May 29, 2017 3:31 am

Glad you solved it. Can you post the command you used over here? It may help other people as well.
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Re: Board v3c shipped with PID=0x7780

Postby mmessuri » Thu Mar 01, 2018 8:26 pm

I would love to see the command line you used to change the pid as I have the same problem. When I try, this is what I get:

sudo ./ftx_prog --old-pid 0x7780 --new-pid 0x6010

ftx_prog: version 0.1
Modified for the FT-X series by Richard Meadows

Based upon:
ft232r_prog: version 1.23, by Mark Lord.
Bad CRC: crc=0xd25d, actual=0xb8de
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