#!/usr/bin/env python

import usblcd, time
usblcd.open()
usblcd.clear()
def clear():
	for i in range(5):
	       usblcd.led(i+1,0)
clear()
last = 0
character = 1
while (1):
	press = usblcd.read()
	if (press > 0):
		if 1 == press:
			if 255 == character:
				character = 1
			else:
				character += 1
			usblcd.text(0,15,"%d %c" % (character,character))
			time.sleep(0.5)
		if 2 == press:
			if 1 == character:
				character = 255
			else:
				character -= 1
			usblcd.text(0,15,"%d %c" % (character,character))
			time.sleep(0.5)
		if (press > 2 and press <= 7):
			if(last != press):
				usblcd.led(last-2,0)
				usblcd.led(press-2,1)
				last = press
		usblcd.text(0,0,"You pressed")
		usblcd.text(1,0,"button: %d " % (press))