Selene OLed plug-in

Examples

• Drawing.sel
• DrawingPatterns.sel
• HelloWorld.sel
• PowerGraph.sel
• SnowFall.sel
• SysMinitor.sel

Classes

• SelOLED

SnowFall.sel

#!./Selene
-- It's snowing :)

-- Helper
if not table.pack then
    function table.pack (...)
        return {n=select('#',...); ...}
    end
end

Selene.UseOLED()

if not arg or #arg ~=2 then
	print "Missing expected arguments :"
	print "- Screen identifier"
	print "- I2c bus to use"
	print ""
	print("Example : ", SELENE_SCRIPT_NAME .." 2 /dev/i2c-2")
	print ""

	print "Known screens :"
	print("ident","name")
	local l = table.pack( SelOLED.oled_type() )
	for _,x in ipairs(l)
	do
		print(_, x)
	end
else
	if SelOLED.Init(arg[1], arg[2]) == false then
		error("Can't open I2C Device\n")
	end

	SelOLED.Flip(true)	-- If needed

	math.randomseed( os.time() )
	local MAXFLOCON = math.random(15) + 25
	local flocons={};

	while true do
		SelOLED.Clear()

		for i=1,MAXFLOCON do
			if not flocons[i] then
				if math.random(15) == 1 then
					flocons[i]={ y=0, x=math.random(SelOLED.Width()) }
					SelOLED.Pset(flocons[i].x,flocons[i].y)
				end
			else
				flocons[i].y = flocons[i].y + math.random(2)
				if flocons[i].y >= SelOLED.Height() then
					flocons[i] = nil
				else
					flocons[i].x = flocons[i].x + math.random(3)-2
					SelOLED.Pset(flocons[i].x,flocons[i].y)
				end
			end
		end
		SelOLED.Display()
	end

	SelOLED.Close()
end