[Cryptech Tech] USB interface

[Rob Austein]

On Thu, 28 May 2020 00:12:09 -0400, Peter Stuge wrote:
...
> For one, we can set VID and PID as we please. Since CrypTech is open source
> we can get valid PIDs under the defunct OpenMoko VID at no cost. Or we can
> spend $6000 to get our very own VID. In any case, we can always use the
> reserved 0x6666 prototype VID for development. (But not ship with it!)

Project is not exactly rolling in dough, so "no cost" sounds good. :)

...
> But even if our firmware emulates FTDI and both ports use the same VID/PID
> then we could still set different string descriptors, which are available
> in udev rules, so we can always distinguish the two ports easily.

Different strings also sounds good.