# My Raspberry Pi Valentine
# Raspberry Pi project where LED light signals "I love you" in Morse code
# Video: https://www.youtube.com/watch?v=eNwHuhg6S4s
# Happy Valentine's Day!
#    02/14/2015

import RPi.GPIO as GPIO
import time

led=23

def setup():
    GPIO.setmode(GPIO.BOARD)
    GPIO.setup(led, GPIO.OUT)

def light(seconds, num=1):
    setup() 
    for i in range(0, num):
        GPIO.output(led, True)
        time.sleep(seconds)
        GPIO.output(led, False)
        time.sleep(seconds)
    GPIO.cleanup()

def dot():
    light(.1)

def dash():
    light(1)

# Define alphabet
def signal_a():
    dot()
    dash()

def signal_b():
    dash()
    dot()
    dot()
    dot()

def signal_c():
    dash()
    dot()
    dash()
    dot()

def signal_e():
    dot()

def signal_f():
    dot()
    dot()
    dash()
    dot()

def signal_g():
    dash()
    dash()
    dot()

def signal_h():
    dot()
    dot()
    dot()
    dot()

def signal_i():
    dot()
    dot()

def signal_j():
    dot()
    dash()
    dash()
    dash()

def signal_k():
    dash()
    dot()
    dash()

def signal_l():
    dot()
    dash()
    dot()
    dot()

def signal_m():
    dash()
    dash()

def signal_n():
    dash()
    dot()

def signal_o():
    dash()
    dash()
    dash()

def signal_p():
    dot()
    dash()
    dash()
    dot()

def signal_q():
    dash()
    dash()
    dot()
    dash()

def signal_r():
    dot()
    dash()
    dot()

def signal_s():
    dot()
    dot() 
    dot()

def signal_t():
    dash()

def signal_u():
    dot()
    dot()
    dash()

def signal_v():
    dot()
    dot()
    dot()
    dash()

def signal_w():
    dot()
    dash()
    dash()

def signal_x():
    dash()
    dot()
    dot()
    dash()

def signal_y():
    dash() 
    dot()
    dash()
    dash()

def signal_z():
    dash()
    dash()
    dot()
    dot() 

def iloveyou():
    #i
    signal_i()

    #love 
    signal_l()
    signal_o()
    signal_v()
    signal_e()

    #you
    signal_y()
    signal_o()
    signal_u()

iloveyou()