> You can however do something not very complicated like ISA cards, serial
> and parallel port devices. I have not heard of any custom created (i.e.ham
> radio) pci cards.
As opposed to ISA, interfacing to PCI requires an awful lot of gates,
therefore forcing you to use at least a gate array.
> One can muse that perhaps USB (and maybe even FireWire)
> will allow this, since dealing with a few wires and interface designed to
> work with long wires will be easier.
USB is not easy to interface, but ...
> One can also hope for the existence
> of integrated microcontrollers (say USB on one side and 16 bit bus on the
> other).
... at least Intel produces such microcontrollers.
Have a nice fortnight
-- Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/ Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth "Lisp Users: Due to the holiday, there will be no garbage collection on Monday."- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/faq.html