#!/usr/bin/env python

import max7219.led as segment

#speichert die Werte aller Segment Anzeigen (max. 8)
digValues = [0b00000000,
	0b00000000,
	0b00000000,
	0b00000000,
	0b00000000,
	0b00000000,
	0b00000000,
	0b00000000]

def display(dig, value):
	values = {}
	values['0'] = 0b01111110
	values['1'] = 0b00001100
	values['2'] = 0b10110110
	values['3'] = 0b10011110
	values['4'] = 0b11001100
	values['5'] = 0b11011010
	values['6'] = 0b11111010
	values['7'] = 0b00001110
	values['8'] = 0b11111110
	values['9'] = 0b11011110
	values[-1]  = 0b00000000 #leeres Zeichen
	values[' '] = 0b00000000
	values['A'] = 0b11101110
	values['b'] = 0b11111000
	values['C'] = 0b01110010
	values['d'] = 0b10111100
	values['E'] = 0b11110010
	values['F'] = 0b11100010
	values['G'] = 0b01111010
	values['H'] = 0b11101100
	values['I'] = 0b01100000
	values['J'] = 0b00011100
	values['K'] = 0b11101010
	values['L'] = 0b01110000
	values['O'] = 0b01111110
	values['P'] = 0b11100110
	values['q'] = 0b11001110
	values['r'] = 0b10100000
	values['S'] = 0b11011010
	values['t'] = 0b11110000
	values['U'] = 0b01111100
	values['-'] = 0b10000000
	values['_'] = 0b00010000

	bPosition = 0b00000001

	if dig < 1:
		bPosition = bPosition<<dig-1

	#alle Segment Anzeigen durchgehen
	for x in range(8):
		if (values[value]) & (1 << x) :
			digValues[x] |= bPosition
		else:
			digValues[x] = (0b11111111 ^ bPosition) & digValues[x]
			#Senden
			segment.send_byte(x, digValues[x])

def showvalue(value):
	n = [char for char in str(value)]
	#alle nicht belegten Anzeigen mit dem leeren Zeichen fuellen
	n = ([-1]*8 + n)[-8:]
	n.reverse()
	index = 7
	for i in n:
		display(index, i)
		index = index -1

def main():
	segment.init()
	segment.clear()
	while True:
		x = str(raw_input('Bitte Wert eingeben: '))
		showvalue(x)

if __name__ == "__main__":
	main()