Sha256: 60db9d2fef9811ea1909afbf6522a1b43042e588e6bd2bb2778c45beff0b1929
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Size: 961 Bytes
Versions: 7
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Stored size: 961 Bytes
Contents
module Denko
module LED
class WS2812
include Behaviors::SinglePin
attr_reader :length, :bpp
def after_initialize(options={})
super(options)
raise ArgumentError, "no length given for WS2812 array" unless options[:length]
@length = options[:length]
# This is BYTES per pixel, not bits per pixel.
@bpp = 3
off
end
def []=(index, array)
# Just do GRB order for now.
buffer[index*bpp] = array[1]
buffer[index*bpp+1] = array[0]
buffer[index*bpp+2] = array[2]
end
def buffer
@buffer ||= Array.new(length * bpp) { 0 }
end
def all_on
buffer.map! { 255 } # should scale with brightness
show
end
def off
clear
show
end
def clear
buffer.map! { 0 }
end
def show
board.show_ws2812(self.pin, self.buffer)
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems