def morse_to_text(verbose, gpio, period, maxbpm, dashduration):
sleep_time = 1 / maxbpm # Calculate minimum sleep duration possible to detect the maximum BPM
debounce_delay = 60000 / maxbpm
milliseconds_pressed = 0
char_in_morse = "" # Holds string of "-" and "."
if not dashduration:
print '\nThe duration of dashes and dots and between words and letters needs to be determined.', \
'\nBegin tapping a tempo to set the duration of a dash (also space between letters).', \
'\nTiming will begin upon the first buttom press and be measured for {} milliseconds.\n'.format(period)
# Calculate the exact durations for a dot, dash, letter space, and word space
count, duration_average = beatcount.beat_counter(
verbose, gpio, period, maxbpm)
milliseconds_space_dash = duration_average
else:
milliseconds_space_dash = dashduration
milliseconds_dot = milliseconds_space_dash / 3
milliseconds_between_words = milliseconds_dot * 7
# Since pressing a button for an exact period of time, accurate to milliseconds,
# is difficult, ranges of acceptable durations are calcuated, with the point
# exactly between the exact durations serving as the bounds of acceptable error.
milliseconds_dash_error_high = (milliseconds_space_dash +
milliseconds_between_words) / 2
milliseconds_dot_error_high = (milliseconds_dot +
milliseconds_space_dash) / 2
# Present the exact durations for each unit
print '\nDurations acquired (ms = milliseconds):'
print 'Between words: {} ms'.format(milliseconds_between_words)
print 'Between letters: {} ms'.format(milliseconds_space_dash)
print 'Dash: {} ms'.format(milliseconds_space_dash)
print 'Dot: {} ms'.format(milliseconds_dot)
# Present the ranges of durations that are acceptable for translation
print '\nA Dot will register when the pressed duration is between {} and {} ms'.format(
debounce_delay, milliseconds_dot_error_high)
print 'A Dash will register when the pressed duration is between {} and {} ms'.format(
milliseconds_dot_error_high, milliseconds_dash_error_high)
print 'A new letter will register when the unpressed duration is between between {} and {} ms'.format(
milliseconds_dot_error_high, milliseconds_dash_error_high)
print 'A new word will register when the unpressed duration is greater than {} ms'.format(
milliseconds_dash_error_high)
if not dashduration:
print '\nWait 5 seconds before beginning Morse code...\n'
time.sleep(5)
else:
print ''
print 'Ready! Morse code translation will begin automatically.\n'
while GPIO.input(gpio): # while the button is not pressed
time.sleep(sleep_time)
while True:
#
# Begin timing how long the button is pressed
#
button_duration = int(round(time.time() * 1000))
# Wait while the button is pressed
# This times how long the button is pressed for, and excludes periods below the maxbpm
# The second condition debounces the input, preventing registering of multiple presses
while (GPIO.input(gpio) == False
or int(round(time.time() * 1000)) - button_duration <
debounce_delay):
time.sleep(sleep_time)
milliseconds_pressed = int(round(time.time() * 1000)) - button_duration
if verbose:
print 'Pressed {} ms'.format(milliseconds_pressed),
# The duration of the press can only be translated to a dot or a dash
# Holding a press for longer than milliseconds_dash_error_high will result in neither a dot or a dash
if milliseconds_dot_error_high > milliseconds_pressed > 50:
char_in_morse = char_in_morse + "." # Append Dot to Morse code string
sys.stdout.write('.')
elif milliseconds_dash_error_high > milliseconds_pressed > milliseconds_dot_error_high:
char_in_morse = char_in_morse + "-" # Append Dash to Morse code string
sys.stdout.write('-')
sys.stdout.flush()
#
# Begin timing how long the button is unpressed
#
button_duration = int(round(time.time() * 1000))
# Wait for a button press or the wait time exceeds that of a space between letters
while (
(GPIO.input(gpio) or
int(round(time.time() * 1000)) - button_duration < debounce_delay)
and int(round(time.time() * 1000)) - button_duration <=
milliseconds_dot_error_high):
time.sleep(sleep_time)
# If the unpressed duration exceeds that for a new letter,
# issue a letter and clear char_in_morse, the Morse code-holding string
if int(round(time.time() *
1000)) - button_duration >= milliseconds_dot_error_high:
if char_in_morse in morse_to_letters:
sys.stdout.write(' [%s] ' % morse_to_letters[char_in_morse])
else:
sys.stdout.write(' [NA] ')
char_in_morse = ""
sys.stdout.flush()
# Wait for a button press or the wait time exceeds that of a space between words
while (GPIO.input(gpio)
and int(round(time.time() * 1000)) - button_duration <=
milliseconds_dash_error_high):
time.sleep(sleep_time)
# If the unpressed duration exceeds that for a space, issue a space
if int(round(time.time() *
1000)) - button_duration >= milliseconds_dash_error_high:
sys.stdout.write('[ ] ')
sys.stdout.flush()
# Wait while the button is unpressed
# This is a catch if the letter has been translated and a word space has been inserted
while GPIO.input(gpio):
time.sleep(sleep_time)
if verbose:
print 'Unpressed {} ms'.format(
int(round(time.time() * 1000)) - button_duration)
def morse_to_text(verbose, gpio, period, maxbpm, dashduration):
sleep_time = 1 / maxbpm # Calculate minimum sleep duration possible to detect the maximum BPM
debounce_delay = 60000 / maxbpm
milliseconds_pressed = 0
char_in_morse = "" # Holds string of "-" and "."
if not dashduration:
print '\nThe duration of dashes and dots and between words and letters needs to be determined.', \
'\nBegin tapping a tempo to set the duration of a dash (also space between letters).', \
'\nTiming will begin upon the first buttom press and be measured for {} milliseconds.\n'.format(period)
# Calculate the exact durations for a dot, dash, letter space, and word space
count, duration_average = beatcount.beat_counter(verbose, gpio, period, maxbpm)
milliseconds_space_dash = duration_average
else:
milliseconds_space_dash = dashduration
milliseconds_dot = milliseconds_space_dash / 3
milliseconds_between_words = milliseconds_dot * 7
# Since pressing a button for an exact period of time, accurate to milliseconds,
# is difficult, ranges of acceptable durations are calcuated, with the point
# exactly between the exact durations serving as the bounds of acceptable error.
milliseconds_dash_error_high = (milliseconds_space_dash + milliseconds_between_words) / 2
milliseconds_dot_error_high = (milliseconds_dot + milliseconds_space_dash) / 2
# Present the exact durations for each unit
print '\nDurations acquired (ms = milliseconds):'
print 'Between words: {} ms'.format(milliseconds_between_words)
print 'Between letters: {} ms'.format(milliseconds_space_dash)
print 'Dash: {} ms'.format(milliseconds_space_dash)
print 'Dot: {} ms'.format(milliseconds_dot)
# Present the ranges of durations that are acceptable for translation
print '\nA Dot will register when the pressed duration is between {} and {} ms'.format(debounce_delay, milliseconds_dot_error_high)
print 'A Dash will register when the pressed duration is between {} and {} ms'.format(milliseconds_dot_error_high, milliseconds_dash_error_high)
print 'A new letter will register when the unpressed duration is between between {} and {} ms'.format(milliseconds_dot_error_high, milliseconds_dash_error_high)
print 'A new word will register when the unpressed duration is greater than {} ms'.format(milliseconds_dash_error_high)
if not dashduration:
print '\nWait 5 seconds before beginning Morse code...\n'
time.sleep(5)
else:
print ''
print 'Ready! Morse code translation will begin automatically.\n'
while GPIO.input(gpio): # while the button is not pressed
time.sleep(sleep_time)
while True:
#
# Begin timing how long the button is pressed
#
button_duration = int(round(time.time()*1000))
# Wait while the button is pressed
# This times how long the button is pressed for, and excludes periods below the maxbpm
# The second condition debounces the input, preventing registering of multiple presses
while (GPIO.input(gpio) == False or
int(round(time.time()*1000)) - button_duration < debounce_delay):
time.sleep(sleep_time)
milliseconds_pressed = int(round(time.time()*1000)) - button_duration
if verbose:
print 'Pressed {} ms'.format(milliseconds_pressed),
# The duration of the press can only be translated to a dot or a dash
# Holding a press for longer than milliseconds_dash_error_high will result in neither a dot or a dash
if milliseconds_dot_error_high > milliseconds_pressed > 50:
char_in_morse = char_in_morse + "." # Append Dot to Morse code string
sys.stdout.write('.')
elif milliseconds_dash_error_high > milliseconds_pressed > milliseconds_dot_error_high:
char_in_morse = char_in_morse + "-" # Append Dash to Morse code string
sys.stdout.write('-')
sys.stdout.flush()
#
# Begin timing how long the button is unpressed
#
button_duration = int(round(time.time()*1000))
# Wait for a button press or the wait time exceeds that of a space between letters
while ((GPIO.input(gpio) or int(round(time.time()*1000)) - button_duration < debounce_delay) and
int(round(time.time()*1000)) - button_duration <= milliseconds_dot_error_high):
time.sleep(sleep_time)
# If the unpressed duration exceeds that for a new letter,
# issue a letter and clear char_in_morse, the Morse code-holding string
if int(round(time.time()*1000)) - button_duration >= milliseconds_dot_error_high:
if char_in_morse in morse_to_letters:
sys.stdout.write(' [%s] ' % morse_to_letters[char_in_morse])
else:
sys.stdout.write(' [NA] ')
char_in_morse = ""
sys.stdout.flush()
# Wait for a button press or the wait time exceeds that of a space between words
while (GPIO.input(gpio) and
int(round(time.time()*1000)) - button_duration <= milliseconds_dash_error_high):
time.sleep(sleep_time)
# If the unpressed duration exceeds that for a space, issue a space
if int(round(time.time()*1000)) - button_duration >= milliseconds_dash_error_high:
sys.stdout.write('[ ] ')
sys.stdout.flush()
# Wait while the button is unpressed
# This is a catch if the letter has been translated and a word space has been inserted
while GPIO.input(gpio):
time.sleep(sleep_time)
if verbose:
print 'Unpressed {} ms'.format(int(round(time.time()*1000)) - button_duration)
def menu():
parser = argparse.ArgumentParser(
description='Beat counter (bpm) and Morse code translator')
beat_counter = parser.add_argument_group('Beat counter')
beat_counter.add_argument('-b',
'--bpmcount',
action='store_true',
help="Start program to count beats (bpm)")
beat_counter.add_argument(
'-m',
'--maxbpm',
metavar='MAXBPM',
type=int,
help=
'Set maximum detectable BPM (lower number improves accuracy, higher numbers may register erroneous taps, below 2000 should be accurate), default: 2000',
default=2000,
required=False)
beat_counter.add_argument(
'-p',
'--period',
metavar='PERIOD',
type=int,
help=
'Period of time between BPM calculations (milliseconds), default: 5000',
default=5000,
required=False)
morse_translator = parser.add_argument_group('Morse code translator')
morse_translator.add_argument('-mt',
'--morsetotext',
action='store_true',
help="Translate Morse code to text")
morse_translator.add_argument('-tm',
'--texttomorse',
action='store_true',
help="Translate text to Morse code")
morse_translator.add_argument(
'-d',
'--dashduration',
metavar='DASHDURATION',
type=int,
help=
'Duration of a dash (Morse-to-text default: none, Text-to-Morse default: 300 ms). If set with -mt the tempo detection will be overridden.',
default=0,
required=False)
misc_options = parser.add_argument_group('Miscelaneous')
misc_options.add_argument(
'-g',
'--gpio',
metavar='GPIO',
type=int,
help='GPIO pin connected to the telegraph (using BCM numbering)')
misc_options.add_argument('-v',
'--verbose',
action='store_true',
help="Print more information to the terminal")
args = parser.parse_args()
if os.geteuid() and not args.texttomorse:
print "Script must be ran as root to access GPIO"
sys.exit(0)
########################################
# #
# Setup Options #
# #
########################################
if not (args.bpmcount or args.morsetotext or args.texttomorse):
parser.error(
'No action requested, add --bpmcount or --morsetotext or --texttomorse'
)
elif sum(map(bool,
[args.bpmcount, args.morsetotext, args.texttomorse])) != 1:
parser.error(
'Can only select one: --bpmcount (-b), --morsetotext (-mt), or --texttomorse (-tm)'
)
elif args.bpmcount:
if not args.gpio:
parser.error('Need to specify GPIO pin with --gpio')
else:
print 'Beats per minute (BPM) counter',
elif args.morsetotext:
if not args.gpio:
parser.error('Need to specify GPIO pin with --gpio')
else:
print 'Morse code to text translator',
elif args.texttomorse:
print 'Text to Morse code translator (use only A-Z, 0-9, spaces, and symbols /?\'!@$&()_-+=,.;:")',
if args.verbose:
print '(Verbose)'
else:
print ''
########################################
# #
# Setup GPIO #
# #
########################################
if args.gpio:
print 'Setting up GPIO {}:'.format(args.gpio),
try:
GPIO.setmode(GPIO.BCM)
GPIO.setup(args.gpio, GPIO.IN, pull_up_down=GPIO.PUD_UP)
except:
print 'Fail'
else:
print 'Success'
########################################
# #
# Beat Counter #
# #
########################################
if args.bpmcount:
print 'Tempo calculation period: {} milliseconds, Max BPM: {} BPM, Debounce Delay: {} ms'.format(
args.period, args.maxbpm, 60000 / args.maxbpm)
print '\nBegin tapping a tempo to identify the duration between beats.', \
'\nCalculations will only be performed while there is tapping.', \
'\nTiming will begin upon the first buttom press and be measured every {} milliseconds.\n'.format(args.period)
while True:
count, duration_average = beatcount.beat_counter(
args.verbose, args.gpio, args.period, args.maxbpm)
print '\nCalculated from total number of beats over time: {} beats per {} ms = {} BPM'.format(
count, args.period, count * (60 / (args.period / 1000)))
print 'Calculated from average duration between beats: {} ms per beat = {} BPM\n'.format(
duration_average, 60000 / duration_average)
########################################
# #
# Morse Code to Text Translator #
# #
########################################
if args.morsetotext:
if args.dashduration == 0:
dashduration = 300
else:
dashduration = args.dashduration
if dashduration / 3 < 60000 / args.maxbpm:
parser.error('--dashduration too low. Increase -d or degrease -b')
print 'Tempo calculation period: {} milliseconds, Max BPM: {} BPM, Debounce Delay: {} ms'.format(
args.period, args.maxbpm, 60000 / args.maxbpm)
translate.morse_to_text(args.verbose, args.gpio, args.period,
args.maxbpm, args.dashduration)
########################################
# #
# Text to Morse Code Translator #
# #
########################################
if args.texttomorse:
dashduration = args.dashduration
if not dashduration:
dashduration = 300 # Default dash time (milliseconds)
print 'Dash Duration: {} ms'.format(dashduration)
translate.text_to_morse(dashduration)
def menu():
parser = argparse.ArgumentParser(description='Beat counter (bpm) and Morse code translator')
beat_counter = parser.add_argument_group('Beat counter')
beat_counter.add_argument('-b', '--bpmcount', action='store_true',
help="Start program to count beats (bpm)")
beat_counter.add_argument('-m','--maxbpm', metavar='MAXBPM', type=int,
help='Set maximum detectable BPM (lower number improves accuracy, higher numbers may register erroneous taps, below 2000 should be accurate), default: 2000',
default=2000,
required=False)
beat_counter.add_argument('-p','--period', metavar='PERIOD', type=int,
help='Period of time between BPM calculations (milliseconds), default: 5000',
default=5000,
required=False)
morse_translator = parser.add_argument_group('Morse code translator')
morse_translator.add_argument('-mt', '--morsetotext', action='store_true',
help="Translate Morse code to text")
morse_translator.add_argument('-tm', '--texttomorse', action='store_true',
help="Translate text to Morse code")
morse_translator.add_argument('-d','--dashduration', metavar='DASHDURATION', type=int,
help='Duration of a dash (Morse-to-text default: none, Text-to-Morse default: 300 ms). If set with -mt the tempo detection will be overridden.',
default=0,
required=False)
misc_options = parser.add_argument_group('Miscelaneous')
misc_options.add_argument('-g','--gpio', metavar='GPIO', type=int,
help='GPIO pin connected to the telegraph (using BCM numbering)')
misc_options.add_argument('-v', '--verbose', action='store_true',
help="Print more information to the terminal")
args = parser.parse_args()
if os.geteuid() and not args.texttomorse:
print "Script must be ran as root to access GPIO"
sys.exit(0)
########################################
# #
# Setup Options #
# #
########################################
if not (args.bpmcount or args.morsetotext or args.texttomorse):
parser.error('No action requested, add --bpmcount or --morsetotext or --texttomorse')
elif sum(map(bool, [args.bpmcount, args.morsetotext, args.texttomorse])) != 1:
parser.error('Can only select one: --bpmcount (-b), --morsetotext (-mt), or --texttomorse (-tm)')
elif args.bpmcount:
if not args.gpio:
parser.error('Need to specify GPIO pin with --gpio')
else:
print 'Beats per minute (BPM) counter',
elif args.morsetotext:
if not args.gpio:
parser.error('Need to specify GPIO pin with --gpio')
else:
print 'Morse code to text translator',
elif args.texttomorse:
print 'Text to Morse code translator (use only A-Z, 0-9, spaces, and symbols /?\'!@$&()_-+=,.;:")',
if args.verbose:
print '(Verbose)'
else:
print ''
########################################
# #
# Setup GPIO #
# #
########################################
if args.gpio:
print 'Setting up GPIO {}:'.format(args.gpio),
try:
GPIO.setmode(GPIO.BCM)
GPIO.setup(args.gpio, GPIO.IN, pull_up_down=GPIO.PUD_UP)
except:
print 'Fail'
else:
print 'Success'
########################################
# #
# Beat Counter #
# #
########################################
if args.bpmcount:
print 'Tempo calculation period: {} milliseconds, Max BPM: {} BPM, Debounce Delay: {} ms'.format(args.period, args.maxbpm, 60000 / args.maxbpm)
print '\nBegin tapping a tempo to identify the duration between beats.', \
'\nCalculations will only be performed while there is tapping.', \
'\nTiming will begin upon the first buttom press and be measured every {} milliseconds.\n'.format(args.period)
while True:
count, duration_average = beatcount.beat_counter(args.verbose, args.gpio, args.period, args.maxbpm)
print '\nCalculated from total number of beats over time: {} beats per {} ms = {} BPM'.format(count, args.period, count * (60 / (args.period / 1000)))
print 'Calculated from average duration between beats: {} ms per beat = {} BPM\n'.format(duration_average, 60000 / duration_average)
########################################
# #
# Morse Code to Text Translator #
# #
########################################
if args.morsetotext:
if args.dashduration == 0:
dashduration = 300
else:
dashduration = args.dashduration
if dashduration / 3 < 60000 / args.maxbpm:
parser.error('--dashduration too low. Increase -d or degrease -b')
print 'Tempo calculation period: {} milliseconds, Max BPM: {} BPM, Debounce Delay: {} ms'.format(args.period, args.maxbpm, 60000 / args.maxbpm)
translate.morse_to_text(args.verbose, args.gpio, args.period, args.maxbpm, args.dashduration)
########################################
# #
# Text to Morse Code Translator #
# #
########################################
if args.texttomorse:
dashduration = args.dashduration
if not dashduration:
dashduration = 300 # Default dash time (milliseconds)
print 'Dash Duration: {} ms'.format(dashduration)
translate.text_to_morse(dashduration)