NAME
ulpt —
USB printer support
SYNOPSIS
ulpt* at uhub?
DESCRIPTION
Theulpt driver provides support for Universal Serial
Bus (USB) printers that follow either the USB printer uni-directional or
bi-directional protocol.
Additional bits OR-ed in the minor device number with the unit number select various features of the driver:
| Minor Bit | Function |
| 0x40 | Do not initialize (reset) the device on the port. |
Some printers cannot handle the reset on open; in case of problems try the ulpn device.
FILES
- /dev/ulpt?
- USB printer with reset on open
- /dev/ulpn?
- USB printer without reset on open
SEE ALSO
USB Device Class Definition for Printing Devices, USB Implementors Forum, http://www.usb.org/developers/devclass_docs/usbprint11.pdf, January 2000.
HISTORY
The ulpt driver appeared in
NetBSD 1.4.