Added recorder to be able to stream the current LED data via network. That way you can create nice looking GIF images of the effects - and even develop effects without having to look at the actual LED panel.

src/tools/generate_gifs.sh

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+#!/bin/bash
+
+IP="$1"
+EFFECTS=`egrep "case" ../effects.cpp | tr -s "\t" " " | cut -d" " -f 7 | sort`
+
+mkdir effects
+
+for effect in $EFFECTS; do
+	[ "$effect" = "cycle" ] && continue
+	[ "$effect" = "off" ] && continue
+	[ "$effect" = "koopa" ] && continue
+	[ "$effect" = "couple_rain" ] && continue
+	[ "$effect" = "cake" ] && continue
+	
+	echo " + ./recorder.rb $IP /tmp/effect.gif $effect"
+	./recorder.rb $IP /tmp/effect.gif $effect
+	echo
+	echo " + gifsicle /tmp/effect.gif -o effects/$effect.gif"
+	gifsicle /tmp/effect.gif -o effects/$effect.gif
+done

src/tools/monitor.rb

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+#!/usr/bin/env ruby
+require 'socket'
+require 'pp'
+
+def rgb2ansi(r, g, b)
+	if r==g && g==b
+		return 16 if r<8
+		return 231 if r>248
+		return (((r - 8) / 247.0) * 24).round + 232
+	end
+	
+	return 16 + 36*(r/51.0).round + 6*(g/51.0).round + (b/51.0).round
+end
+
+IP = ARGV[0]
+PORT = 2122
+EFFECT = ARGV[1]
+
+puts "Connecting to #{IP}:#{PORT}..."
+
+s = TCPSocket.new(IP, PORT)
+
+puts "Connected."
+init = s.recv(3).unpack("C*")
+
+raise "Initial data packet wasn't usable!" if init[2] != 0xFF
+puts "Got initial data packet."
+
+dim_x, dim_y = *init
+len = dim_x * dim_y * 3 + 3
+
+puts "Size: #{dim_x}x#{dim_y}. Expecting packet length #{len}."
+
+puts "Opening local UDP socket..."
+udp = UDPSocket.new
+udp.bind("10.10.2.1", 13330)
+puts "Waiting for UDP packets on port 13330..."
+s.sendmsg("P\x12\x34\x00")
+s.sendmsg("E#{EFFECT}\x00") if EFFECT
+
+
+while 1
+	data = udp.recvfrom(1024)[0].unpack("C*")
+	#puts "Packet. ID: #{data[0]}, length: #{data.length}"
+	raise "Unexpected packet length" unless data.count == len
+	raise "Invalid data packet" unless data[len - 1]==0xFF
+	id = data.shift << 8 | data.shift
+	#next
+	#print "."
+	puts "\033[2J"
+	(0...dim_y).each do |y|
+		(0...dim_x).each do |x|
+			r, g, b = *data.shift(3)
+			color_code = rgb2ansi(r, g, b)
+			print "\033[48;5;#{color_code}m "
+		end
+		puts "\033[0m"
+	end
+end

src/tools/recorder.rb

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+#!/usr/bin/env ruby
+require 'socket'
+require 'pp'
+require 'rmagick'
+
+include Magick
+
+IP = ARGV[0]
+PORT = 2122
+FILE = ARGV[1] or raise "No filename given"
+EFFECT = ARGV[2]
+FRAMES = 250
+FACTOR = 1
+delay = 50
+
+puts "Connecting to #{IP}:#{PORT}..."
+
+s = TCPSocket.new(IP, PORT)
+
+puts "Connected."
+init = s.recv(3).unpack("C*")
+
+raise "Initial data packet wasn't usable!" if init[2] != 0xFF
+puts "Got initial data packet."
+
+dim_x, dim_y = *init
+len = dim_x * dim_y * 3 + 3
+
+puts "Size: #{dim_x}x#{dim_y}. Expecting packet length #{len}."
+
+puts "Opening local UDP socket..."
+udp = UDPSocket.new
+udp.bind("10.10.2.1", 13330)
+puts "Waiting for UDP packets on port 13330..."
+s.sendmsg("P\x12\x34\x00")
+s.sendmsg("E#{EFFECT}\x00") if EFFECT
+
+gif = ImageList.new
+last_id = 255
+last_frame_time = nil
+img = nil
+last_diff = nil
+
+while gif.length < FRAMES do
+	data = udp.recvfrom(1024)[0].unpack("C*")
+	if delay > 0
+		delay -= 1
+		next
+	end
+	#puts "Packet. ID: #{data[0]}, length: #{data.length}"
+	raise "Unexpected packet length" unless data.count == len
+	raise "Invalid data packet" unless data[len - 1]==0xFF
+	
+	id = data.shift << 8 | data.shift
+	if last_id != id-1 && last_id != id-2
+		puts
+		gif = ImageList.new
+	end
+	last_id = id
+	
+	if img && last_frame_time
+		last_diff = diff = Time.now.to_f * 100 - last_frame_time.to_f * 100
+		img.delay = diff
+	end
+	
+	last_frame_time = Time.now
+	
+	img = Image.new(dim_x, dim_y)
+	img.delay = 5
+	gc = Draw.new
+	
+	#next
+	print "."
+	print "#{gif.length}" if gif.length%50==0
+	(0...dim_y).each do |y|
+		(0...dim_x).each do |x|
+			r, g, b = *data.shift(3)
+			gc.fill("rgb(#{r}, #{g}, #{b})")
+			gc.point(x, y)
+			#img.pixel_color(x, y, Pixel.new(r, g, b, 255))
+		end
+	end
+	gc.draw(img)
+	img.sample!(FACTOR)
+	gif << img
+end
+img.delay = last_diff
+s.close
+puts
+puts "Generating gif..."
+gif.write(FILE)
+puts
+puts