ULED(4) 						   BSD Kernel Interfaces Manual 						   ULED(4)

uled -- USB 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 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 <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
The uled driver was written by Kevin Lo <kevlo@FreeBSD.org>. BSD
September 5, 2014 BSD

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