[sdiy] PIC / Atmel Programmers (usb)

Paul Maddox P.Maddox at signal.qinetiq.com
Thu May 29 11:53:33 CEST 2003


Bert,

> That all sounds very nice, but if you make your device a standard MIDI USB
> device, you don't have to write any drivers at all. They come with the
OS...

ahh, but what kind of standard device are you after?
if its something like 'generic removable drive' then yes, but Windows
includes a LOT of drivers for specific things.
so it might not be a generic device, but one that microsoft have written a
driver for, Graphics cards are a good example.
Install the lates Nvidia TI4400 and windows will find it, but you wont get
the best from it until you install the latest NVidia drivers.

> If there was a way to make the FTDI chip show up as a standard midi device
> (i.e. be able to make it store the right descriptor tables for a MIDI USB
device)
> then this would definately be it. I think FTDI should make a special
MIDI-to-USB
> bridge such that we can all send our MIDI to this bridge and not have to
write any
> drivers or use COM ports :-)

I'm sure it can be done, its something do with the EEPROM you hookup that
describes the device to the Host when its attached.
Ask FTDI about it, they were very helpful when we got the USB device and had
a few problems (mostly down to us not understanding what was what).

Paul



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