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