Rhythmblock/neodj.lua

accentColor = colors.gray 
buttonColor = colors.lightGray
backgroundColor = colors.black
peripherals = peripheral.getNames()
if #peripherals < 0 then
	print "No drive"
else
	driveCount = 0
	for n = 1, #peripherals do
		local driveCheck = peripherals[n]
		if peripheral.getType(driveCheck) == "drive" then
			drive = driveCheck
			driveCount = driveCount + 1
		end
	end
	if driveCount > 1 then
		print("Too many disk drives. Please remove some and try again")
		exit()
	end
end

function playDisc()
	disk.playAudio(drive)
	print(disk.getAudioTitle(drive))
end

function ejectDisc()
	disk.eject()
end

function stopDisc()
	disk.stopAudio()
end

if disk.isPresent(drive) and disk.hasAudio(drive) then
	playDisc(drive)
elseif disk.isPresent(drive) then
	print "Not a music disc"
else
	print "No disc"
end