2. Adds support for level shifters that invert the data
Config option - "invert" (integer)
if omitted, do not invert
if == 0, do not invert
if !=0, invert
Former-commit-id: fd5b2863a85b11ac3a8444d1e02822f852feb556
The RPi 2 and 3 have two PWM channels and 3 PWM pins available to the
gpio header. BCM18 and BCM12 run on PWM channel 0. BCM13 runs on PWM
channel 1. This change allows BCM13 to be used by allowing the PWM
channel to be specified.
Former-commit-id: 3693ab438c2b369e6307c262d32bba509409e5b9
Add a new WS281x driver which is a wrapper around jgarff's ws281x library which
works on Pi B+, Pi 2, Pi Zero and probably Pi 3 as well.
jgarff's ws281x library is included as a submodule
Former-commit-id: e473dfd36d31b14598da5e56e4b8bf9f2aa7bb24
