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 Val Packett <val@packett.cool>.

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

FreeBSD 15.1-STABLE-HBSD      September 14, 2020                       HPEN(4)