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keying_controller.py
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from machine import Pin, Signal
import uasyncio
import utime
from Morse_decoder.code_translator import MorseTranslator
from lib_pico.async_push_button import Button
from debug_utility.pulses import Probe
probe_gpio = 16
pb=Probe(probe_gpio)
#TODO possible de rester avec un dot-time d e60ms et de faire uniquement varier l'espace intermot #
#TODO selon la formule T# = n*dot =dot *(25-wph*16/1000) et wph = word per hour = 60 * wpm
#TODO pour le test audio, prevoir un filtre 500Hz à la sortie de micro
class KeyingSpeedController():
"""
vitesse de commande : 6<=word_per_mn<=30
derivés : word_per_hour = 60*word_per_mn
'.' code dot_time = word_per_mn*(-1.22)+ 78
'-' code dash_time = 3*dot_time
'+' inter symbol = dot_time
'|' nb dot inter letter = 450/(word_per_mn)^^2 + 2
'#' nb dot inter word = 1700/(word_per_mn)^^2 + 4.5
"""
def __init__(self, display_manager,
speed_up_pb_gpio, speed_down_pb_gpio):
self.display = display_manager
self.word_per_mn = 10
self.dot_time = 0
self.nb_dot_inter_letter = 0
self.inter_letter_time = 0
self.nb_dot_inter_word = 0
self.inter_word_time = 0
self.delta = 0
self.speed_changed = uasyncio.ThreadSafeFlag()
self.speed_up_btn = Button("speed_up_btn", speed_up_pb_gpio,
active_HI=False, repeat=True, repeat_delay=150)
self.speed_dn_btn = Button("speed_dn_btn", speed_down_pb_gpio,
active_HI=False, repeat=True, repeat_delay=150)
self.speed_dn_btn.set_irq_routine(self.speed_update_IRQ_routine)
self.speed_up_btn.set_irq_routine(self.speed_update_IRQ_routine)
def compute_keying_times(self):
# version simple , lineaire
# self.dot_time = int(800/self.word_per_mn)
# self.nb_dot_inter_letter = 3
# self.inter_letter_time = self.nb_dot_inter_letter*self.dot_time
# self.nb_dot_inter_word = 9
# self.inter_word_time = self.nb_dot_inter_word*self.dot_time
# version complexe simulant le cours de morse de F5IRO
self.dot_time = int(-1.3*self.word_per_mn+76)
self.inter_letter_time = self.dot_time * 3
self.inter_word_dot = 10 + int((67*self.word_per_mn +8238)/(self.word_per_mn*self.word_per_mn*self.word_per_mn))
self.inter_word_time = self.inter_word_dot * self.dot_time
if __name__ == "__main__" :
print(f"""\twpm:{self.word_per_mn}, dot:{self.dot_time},
# \t"|":{self.inter_letter_time}ms\t"#":{self.inter_word_time}ms""")
async def update_speed(self):
while True:
#pb.pulses(30)
if __name__ == "__main__" : print("KeyingSpeedController/update_speed")
self.word_per_mn = min(max(self.word_per_mn + self.delta, 5),20)
self.compute_keying_times()
self.delta = 0
self.speed_changed.clear()
self.display.update_TX_speed()
await self.speed_changed.wait()
def speed_update_IRQ_routine(self, button):
if __name__ == "__main__" : print("KeyingSpeedController/speed_update_IRQ_routine")
if button == self.speed_up_btn:
self.delta = +1
elif button == self.speed_dn_btn:
self.delta = -1
self.speed_changed.set()
class KeyingToneEncoder():
def __init__(self,frame, speed, signals):
self.keying_speed = speed
self.signals = signals
self.coder_frame = frame
self.translate = MorseTranslator()
async def keying_code(self, code):
if __name__=="__main__":
print(f"keying_code:'{code}'")
if (code == "#"):
# silence entre deux mots : [4]=[10]-[2]-[1]
await uasyncio.sleep_ms(self.keying_speed.inter_word_time - self.keying_speed.inter_letter_time- self.keying_speed.dot_time)
elif (code == "|"):
# silence fin de lettre pour um mot-clé (HH, SOS, etc)
await uasyncio.sleep_ms(self.keying_speed.inter_letter_time - self.keying_speed.dot_time)
else:
for code_element in code:
for s in self.signals: s.on() # keying on()
if(code_element == "."):
await uasyncio.sleep_ms(self.keying_speed.dot_time) # [1] codage d'un point
if(code_element == "-"):
await uasyncio.sleep_ms(3*self.keying_speed.dot_time) # [3] codage d'un tiret
# [1]silence entre deux morse_element de code_morse
for s in self.signals:s.off()
await uasyncio.sleep_ms(self.keying_speed.dot_time)
# [2]=[3]-[1] silence entre deux lettres - 1 silence finissant le dernier element
await uasyncio.sleep_ms(self.keying_speed.inter_letter_time - self.keying_speed.dot_time)
async def keying_sentence(self, sentence):
while True:
if __name__ == "__main__" : print(f"@{utime.ticks_ms()}--- start 'keying_sentence' : {sentence}")
words = sentence.split()
for word in words:
if word.isupper():
await self.keying_code(self.translate.to_morse(word))
self.coder_frame.write_text(word, reset_position=False)
else:
for letter in word:
await self.keying_code(self.translate.to_morse(letter))
self.coder_frame.write_text(letter, reset_position=False)
await self.keying_code(self.translate.to_morse(" ")) # fin de mot
self.coder_frame.write_text(" ", reset_position=False)
if __name__ == "__main__":
#test_audio()
print("start test <async_keying_controller.py>")
# setup display
from Morse_decoder.display_manager import MorseDisplayManager
display_manager = MorseDisplayManager()
# setup TX speed keying manager
speed_up_pb_gpio = 22 # bouton K1 active LO
speed_down_pb_gpio = 2 # bouton K2 active LO
tx_speed_controller = KeyingSpeedController(display_manager,
speed_up_pb_gpio,
speed_down_pb_gpio)
display_manager.set_keying_speed_controller(tx_speed_controller)
tx_speed_controller.word_per_mn = 5
tx_speed_controller.compute_keying_times()
display_manager.update_TX_speed()
# setup encoder
key_out_gpio = 6
led_gpio = "LED" # on-board led active HI, gpio 25
buzzer_on = False
key_out = Signal(key_out_gpio, Pin.OUT, invert=False) # active HI
led = Signal(led_gpio, Pin.OUT)
signals = [led, key_out]
if buzzer_on == True:
signals.append(Signal(4,Pin.OUT,invert=False) )
encoder = KeyingToneEncoder(display_manager.encoding_panel,
tx_speed_controller, signals)
tx=encoder.keying_sentence("HH at i e")
scheduler = uasyncio.get_event_loop()
scheduler.create_task(tx_speed_controller.update_speed())
uasyncio.run(tx)