HPEN(4)                FreeBSD Kernel Interfaces Manual                HPEN(4)

NAME
     hpen - MS Windows compatible HID pen tablet driver

SYNOPSIS
     To compile this driver into the kernel, place the following lines in your
     kernel configuration file:

           device hpen
           device hid
           device hidbus
           device hidmap
           device evdev

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

           hpen_load="YES"

DESCRIPTION
     The hpen driver provides support for generic MS Windows compatible HID
     pen tablet and digitizer that attach to the HID transport backend.  See
     iichid(4) or usbhid(4).

     The /dev/input/event* device presents the pen as a evdev type device.

SYSCTL VARIABLES
     The following variable is available as both sysctl(8) variable and
     loader(8) tunable:

     dev.hpen.X.debug
             Debug output level, where 0 is debugging disabled and larger
             values increase debug message verbosity.  Default is 0.

     It's default value is set with loader(8) tunable:

     hw.hid.hpen.debug

FILES
     /dev/input/event*  input event device node.

SEE ALSO
     iichid(4), usbhid(4), xorg.conf(5) (ports/x11/xorg)

BUGS
     hpen cannot act like sysmouse(4).

     Pen battery charge level reporting is not supported.

HISTORY
     The hpen driver first appeared in FreeBSD 13.0.

AUTHORS
     The hpen driver was written by Greg V <greg@unrelenting.technology>.

     This manual page was written by Vladimir Kondratyev <wulf@FreeBSD.org>.

FreeBSD 13.1-RELEASE-p6       September 14, 2020       FreeBSD 13.1-RELEASE-p6