#!/usr/bin/env ruby
# encoding: utf-8
# ruby: 1.9

raise "provide dump file as argument" unless ARGV.size==1
raise "#{ARGV[0]} is not a file" unless File.file? ARGV[0]

dump = IO.read(ARGV[0]) # read data
dump.gsub!(/[^[[:xdigit:]]]/,"") # remove non hex (e.g. newline)
dump.gsub!(/(1b){15,}00/,"sync\n") # replace sync
dump.gsub!(/([[:xdigit:]]{30})/,"\\1\n") # format lines

dump.each_line do |line|
  line.chomp!
  if (line[2,2]=="01") then # only look for set coloe lines
    channel = line[0,2].to_i(16)
    puts "color for LED #{channel.to_s.rjust(2,'0')}: #{line[8,6]}"
  else
    puts line
  end
end