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Man Pages


Manual Reference Pages  -  ULED (4)

NAME

uled - USB LED driver

CONTENTS

Synopsis
Description
Ioctls
Files
See Also
Authors

SYNOPSIS

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


.Cd device uled
.Cd 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 the Dream Cheeky WebMail Notifier device.

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
.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:
struct uled_color {
        uint8_t red;
        uint8_t green;
        uint8_t blue;
};

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


.An -nosplit The uled driver was written by
.An Kevin Lo Aq Mt kevlo@FreeBSD.org .
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