# 
# Morse Code Generator (using .wav files) for Windows
#
# Copyright (c) 2008 Charles O'Neill
# 
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.

import winsound
import time

DIT, DAH = 0,1

code = {
     'a': (DIT, DAH),
     'b': (DAH, DIT, DIT, DIT),
     'c': (DAH, DIT, DAH, DIT),
     'd': (DAH, DIT, DIT),
     'e': (DIT,),
     'f': (DIT, DIT, DAH, DIT),
     'g': (DAH, DAH, DIT),
     'h': (DIT, DIT, DIT, DIT),
     'i': (DIT, DIT),
     'j': (DIT, DAH, DAH, DAH), 
     'k': (DAH, DIT, DAH),
     'l': (DIT, DAH, DIT, DIT),
     'm': (DAH, DAH), 
     'n': (DAH, DIT), 
     'o': (DAH, DAH, DAH), 
     'p': (DIT, DAH, DAH, DIT),
     'q': (DAH, DAH, DIT, DAH),
     'r': (DIT, DAH, DIT),
     's': (DIT, DIT, DIT),
     't': (DAH,),
     'u': (DIT, DIT, DAH), 
     'v': (DIT, DIT, DIT, DAH), 
     'w': (DIT, DAH, DAH),
     'x': (DAH, DIT, DIT, DAH), 
     'y': (DAH, DIT, DAH, DAH),
     'z': (DAH, DAH, DIT, DIT),
     '0': (DAH, DAH, DAH, DAH, DAH),
     '1': (DIT, DAH, DAH, DAH, DAH), 
     '2': (DIT, DIT, DAH, DAH, DAH), 
     '3': (DIT, DIT, DIT, DAH, DAH),
     '4': (DIT, DIT, DIT, DIT, DAH), 
     '5': (DIT, DIT, DIT, DIT, DIT),
     '6': (DAH, DIT, DIT, DIT, DIT),
     '7': (DAH, DAH, DIT, DIT, DIT),
     '8': (DAH, DAH, DAH, DIT, DIT),
     '9': (DAH, DAH, DAH, DAH, DIT),
     '.': (DIT, DAH, DIT, DAH, DIT, DAH),
     ',': (DAH, DAH, DIT, DIT, DAH, DAH),
     '?': (DIT, DIT, DAH, DAH, DIT, DIT),
     '!': (DIT, DIT, DAH, DAH, DIT),
     ':': (DAH, DAH, DAH, DIT, DIT, DIT)
 }

def sendString(string):
    # Convert to all lowercase
    string = string.lower()
    # Decompose string to letters
    for i in string:
        sendLetter(i)
        interWordSpace()
    

def sendLetter(letter):
    cipher = code.get(letter)
    if cipher:
        for keytap in cipher:
            interLetterSpace()
            if keytap == DIT:
                # dit
                dit()
            else:
                # dah
                dah()

def dit():
    winsound.PlaySound("dit.wav", winsound.SND_FILENAME)

def dah():
    winsound.PlaySound("dah.wav", winsound.SND_FILENAME)
    
def interLetterSpace():
    time.sleep(0.01)

def interWordSpace():
    time.sleep(0.6)

# Example 
if __name__ == "__main__":
    sendString("abcdefghijklmnopqrstuvwxyz0123456789.,?!:")
    sendString("CQ CQ DE Charles 73")