ULPT(4) | Device Drivers Manual | ULPT(4) |
ulpt
— USB printer
support
ulpt* at uhub?
The ulpt
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.
USB Device Class Definition for Printing Devices, USB Implementors Forum, http://www.usb.org/developers/devclass_docs/usbprint11.pdf, January 2000.
The ulpt
driver appeared in
NetBSD 1.4.
May 16, 2009 | NetBSD 10.99 |