PCALED(4) - Device Drivers Manual

PCALED(4) - Device Drivers Manual #

PCALED(4) - Device Drivers Manual

NAME #

pcaled - Philips PCA9532/PCA9552 GPIO LED dimmer

SYNOPSIS #

pcaled* at iic? gpio* at pcaled?

DESCRIPTION #

The pcaled driver provides support for the Philips PCA9532 and PCA9552 GPIO controllers which are specifically optimized to dim LEDs in 256 discrete steps.

SEE ALSO #

gpio(4), iic(4), intro(4), gpioctl(8)

HISTORY #

The pcaled driver first appeared in OpenBSD 4.0.

AUTHORS #

The pcaled driver was written by Dale Rahn <drahn@openbsd.org>.

OpenBSD 7.5 - July 16, 2013