Messages in this thread | | | Date | Tue, 5 Oct 1999 23:05:27 +0100 (GMT) | From | Riley Williams <> | Subject | Re: USB device allocation |
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Hi Pavel.
> USB is getting into stage where it is actually usefull. And I've > experienced first clashes with other devices. Therefore, it is > time to allocate entries.
> Previous numbers are unusable :-(: their either crash with > existing device, or there's only convient room for one such > device where around 16 are needed.
How many really need 16?
> XXX char USB devices > 0 = /dev/usblp0 Printers connected via usb > ... > 15 = /dev/usblp15 > 16 = /dev/usbmouse0 USB mouse > ... > 31 = /dev/usbmouse15 > 32 = /dev/ezusb0 USB firmware downloader > ... > 63 = /dev/ezusb15 > 64 = /dev/usbscanner0 USB HP scanner > ... > 95 = /dev/usbscanner15 > 128 = /dev/ttyACM0 USB modem > ... > 255 = /dev/ttyACM127
Let's be a bit more reasonable...
0 => 31 USB Serial (Mouse or Modem) 32 => 47 USB Printers 48 => 63 USB Scanners 64 => 79 USB Cameras 80 => 95 USB Keyboards 96 => 111 USB firmware downloaders 112 => 239 Reserved for future definition 240 => 255 USB Experimental
Remember also that the names are reasonably irrelevant, and only the node numbers actually matter.
Best wishes from Riley.
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