NAME

uledUSB LED driver

SYNOPSIS

To compile this driver into the kernel, place the following lines into your kernel configuration file:
device uled
device usb
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
uled_load="YES"

DESCRIPTION

The uled driver provides support for Dream Cheeky WebMail Notifier and ThingM blink(1) notification LED.
Subsequently, the /dev/uled0 device can be used by userland applications.

IOCTLS

The following ioctl(2) commands can be performed on /dev/uled0, which are defined in <dev/usb/uled_ioctl.h>:
ULED_GET_COLOR
The command returns LED colors with values for RGB. This ioctl(2) takes the following structure:
ULED_SET_COLOR
The command sets LED colors with values for RGB. It uses the same structure as above.

FILES

/dev/uled0
blocking device node

SEE ALSO

ohci(4), uhci(4), usb(4)

AUTHORS

The uled driver was written by Kevin Lo <[email protected]>.

Recommended readings

Pages related to uled you should read also: