def main():
logging.basicConfig(level=logging.DEBUG)
src = Source(rate=16000)
kws = KWS(model='alexa')
alexa = Alexa()
alexa.state_listener.on_listening = pixels.listen
alexa.state_listener.on_thinking = pixels.think
alexa.state_listener.on_speaking = pixels.speak
alexa.state_listener.on_finished = pixels.off
def on_detected(keyword):
logging.info('detected {}'.format(keyword))
alexa.listen()
kws.on_detected = on_detected
src.link(kws)
kws.link(alexa)
src.recursive_start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
break
src.recursive_stop()
def main():
src = Source('/tmp/ec.output', rate=16000, channels=2)
ch0 = ChannelPicker(channels=src.channels, pick=1)
ns = NS()
kws = KWS(model='alexa', sensitivity=0.7)
alexa = Alexa()
src.pipeline(ch0, ns, kws, alexa)
def on_detected(keyword):
print('detected {}'.format(keyword))
alexa.listen()
kws.set_callback(on_detected)
alexa.state_listener.on_listening = pixels.listen
alexa.state_listener.on_thinking = pixels.think
alexa.state_listener.on_speaking = pixels.speak
alexa.state_listener.on_finished = pixels.off
src.pipeline_start()
is_quit = []
def signal_handler(sig, frame):
is_quit.append(True)
print('quit')
signal.signal(signal.SIGINT, signal_handler)
while src.is_active() and not is_quit:
time.sleep(1)
src.pipeline_stop()
def main():
import sys
logging.basicConfig(level=logging.DEBUG)
configuration_file = DEFAULT_CONFIG_FILE
if len(sys.argv) < 2:
if not os.path.isfile(configuration_file):
print('Usage: {} [configuration.json]'.format(sys.argv[0]))
print('\nIf configuration file is not provided, {} will be used'.
format(configuration_file))
sys.exit(1)
else:
configuration_file = sys.argv[1]
with open(configuration_file, 'r') as f:
config = json.load(f)
require_keys = ['product_id', 'client_id', 'client_secret']
for key in require_keys:
if not ((key in config) and config[key]):
print('{} should include "{}"'.format(configuration_file, key))
sys.exit(2)
if not ('refresh_token' in config) and config['refresh_token']:
print(
'Not "refresh_token" available. you should run `alexa-auth {}` first'
.format(configuration_file))
sys.exit(3)
audio = Audio()
with Alexa(config, audio) as alexa:
while True:
if audio.wakeup():
alexa.SpeechRecognizer.Recognize(audio).wait(60)
def main():
logging.basicConfig(level=logging.DEBUG)
src = Source(rate=16000)
ns = NS(rate=16000, channels=1)
kws = KWS(model='alexa')
alexa = Alexa()
alexa.state_listener.on_listening = pixel_ring.listen
alexa.state_listener.on_thinking = pixel_ring.think
alexa.state_listener.on_speaking = pixel_ring.speak
alexa.state_listener.on_finished = pixel_ring.off
src.pipeline(ns, kws, alexa)
def on_detected(keyword):
logging.info('detected {}'.format(keyword))
alexa.listen()
kws.set_callback(on_detected)
is_quit = []
def signal_handler(signal, frame):
is_quit.append(True)
print('Quit')
signal.signal(signal.SIGINT, signal_handler)
src.pipeline_start()
while not is_quit:
try:
time.sleep(1)
except KeyboardInterrupt:
break
src.pipeline_stop()
def main():
logging.basicConfig(level=logging.DEBUG)
src = Source(rate=16000)
ns = NS(rate=16000, channels=1)
kws = KWS()
alexa = Alexa(model='alexa')
src.link(ns)
ns.link(kws)
kws.link(alexa)
def on_detected(keyword):
logging.info('detected {}'.format(keyword))
alexa.listen()
kws.set_callback(on_detected)
src.recursive_start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
break
src.recursive_stop()
def main():
from avs.alexa import Alexa
from avs.mic import Audio
logging.basicConfig(level=logging.DEBUG)
config = None if len(sys.argv) < 2 else sys.argv[1]
audio = Audio()
kws = KWS()
alexa = Alexa(config)
audio.link(kws)
kws.link(alexa)
def wakeup(keyword):
if keyword.find('alexa') >= 0:
alexa.listen()
kws.set_callback(wakeup)
alexa.start()
kws.start()
audio.start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
break
alexa.stop()
kws.stop()
audio.stop()
def main():
logging.basicConfig(level=logging.DEBUG)
src = Source(rate=16000, channels=8)
ch1 = ChannelPicker(channels=8, pick=1)
ns = NS(rate=16000, channels=1)
kws = KWS(model='alexa')
doa = DOA(rate=16000)
alexa = Alexa()
src.link(ch1)
ch1.link(ns)
ns.link(kws)
kws.link(alexa)
src.link(doa)
def on_detected(keyword):
logging.info('detected {} at direction {}'.format(
keyword, doa.get_direction()))
alexa.listen()
kws.set_callback(on_detected)
src.recursive_start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
break
src.recursive_stop()
def main():
src = Source(rate=16000, frames_size=160, channels=2)
ch0 = ChannelPicker(channels=src.channels, pick=0)
ns = NS(rate=src.rate, channels=1)
kws = KWS()
doa = DOA(rate=16000, chunks=50)
alexa = Alexa()
alexa.state_listener.on_listening = pixel_ring.listen
alexa.state_listener.on_thinking = pixel_ring.think
alexa.state_listener.on_speaking = pixel_ring.speak
alexa.state_listener.on_finished = pixel_ring.off
# data flow between elements
# ---------------------------
# src -> ns -> kws -> alexa
# \
# doa
src.pipeline(ch0, ns, kws, alexa)
src.link(doa)
def on_detected(keyword):
direction = doa.get_direction()
print('detected {} at direction {}'.format(keyword, direction))
alexa.listen()
pixel_ring.wakeup(direction)
kws.on_detected = on_detected
is_quit = []
def signal_handler(sig, frame):
is_quit.append(True)
print('quit')
signal.signal(signal.SIGINT, signal_handler)
src.pipeline_start()
while not is_quit:
time.sleep(1)
src.pipeline_stop()
pixel_ring.off()
# wait a second to allow other threads to exit
time.sleep(1)
def __init__(self,
avs_config_file: str = None,
audio_device: str = 'default',
audio_player: str = 'default',
**kwargs):
"""
:param avs_config_file: AVS credentials file - default: ~/.avs.json. If the file doesn't exist then
an instance of the AVS authentication service will be spawned. You can login through an Amazon
account either in the spawned browser window, if available, or by opening http://your-ip:3000
in the browser on another machine.
:param audio_device: Name of the input audio device (default: 'default')
:param audio_player: Player to be used for audio playback (default: 'default').
Supported values: 'mpv', 'mpg123', 'gstreamer'
"""
from avs.alexa import Alexa
from avs.config import DEFAULT_CONFIG_FILE
from avs.mic import Audio
super().__init__(**kwargs)
if not avs_config_file:
avs_config_file = DEFAULT_CONFIG_FILE
if not avs_config_file or not os.path.isfile(avs_config_file):
from avs.auth import auth
auth(None, avs_config_file)
self.logger.warning(
'Amazon Echo assistant credentials not configured. Open http://localhost:3000 '
+ 'to authenticate this client')
self.audio_device = audio_device
self.audio_player = audio_player
self.audio = Audio(device_name=audio_device)
self.alexa = Alexa(avs_config_file, audio_player=audio_player)
self._ready = False
self.alexa.state_listener.on_ready = self._on_ready()
self.alexa.state_listener.on_listening = self._on_listening()
self.alexa.state_listener.on_speaking = self._on_speaking()
self.alexa.state_listener.on_thinking = self._on_thinking()
self.alexa.state_listener.on_finished = self._on_finished()
self.alexa.state_listener.on_disconnected = self._on_disconnected()
self.audio.link(self.alexa)
self.alexa.start()
def __init__(self, wake_word_model):
self.__src = Source(rate=16000)
self.__ns = NS(rate=16000, channels=1)
self.__kws = KWS(model=wake_word_model)
self.__alexa = Alexa()
self.__src.link(self.__ns)
self.__ns.link(self.__kws)
self.__kws.link(self.__alexa)
self.__pixels = ThreePixels()
self.__button = Button()
self.__alexa.state_listener.on_listening = self.on_listening
self.__alexa.state_listener.on_thinking = self.on_thinking
self.__alexa.state_listener.on_speaking = self.on_speaking
self.__alexa.state_listener.on_finished = self.on_finished
def main():
src = Source(rate=16000, frames_size=320, channels=8)
ec = EC(channels=src.channels, capture=0, playback=7)
ns = NS(rate=src.rate, channels=1)
kws = KWS()
doa = DOA(rate=16000, chunks=20)
alexa = Alexa()
alexa.state_listener.on_listening = pixel_ring.listen
alexa.state_listener.on_thinking = pixel_ring.think
alexa.state_listener.on_speaking = pixel_ring.speak
alexa.state_listener.on_finished = pixel_ring.off
src.pipeline(ec, ns, kws, alexa)
src.link(doa)
def on_detected(keyword):
direction = doa.get_direction()
print('detected {} at direction {}'.format(keyword, direction))
alexa.listen()
pixel_ring.wakeup(direction)
kws.on_detected = on_detected
is_quit = []
def signal_handler(sig, frame):
is_quit.append(True)
print('quit')
signal.signal(signal.SIGINT, signal_handler)
src.pipeline_start()
while not is_quit:
time.sleep(1)
src.pipeline_stop()
pixel_ring.off()
# wait a second to allow other threads to exit
time.sleep(1)
def main():
config = None if len(sys.argv) < 2 else sys.argv[1]
audio = Audio(frames_size=1600)
kws = KWS()
alexa = Alexa(config)
def speak():
pixel_ring.speak(10, 0)
alexa.state_listener.on_listening = pixel_ring.listen
alexa.state_listener.on_thinking = pixel_ring.wait
alexa.state_listener.on_speaking = speak
alexa.state_listener.on_finished = pixel_ring.off
audio.link(kws)
kws.link(alexa)
def wakeup(keyword):
if keyword.find('alexa') >= 0:
alexa.listen()
kws.set_callback(wakeup)
alexa.start()
kws.start()
audio.start()
is_quit = threading.Event()
def signal_handler(signal, frame):
print('Quit')
is_quit.set()
signal.signal(signal.SIGINT, signal_handler)
while not is_quit.is_set():
time.sleep(1)
alexa.stop()
kws.stop()
audio.stop()
def main():
# src = Source(rate=16000, frames_size=320, channels=6)
src = Source(rate=16000, frames_size=160, channels=6, device_name='hw:1')
ch0 = ChannelPicker(channels=src.channels, pick=0)
kws = KWS(model='snowboy', sensitivity=0.5)
# doa = DOA(rate=src.rate, chunks=20)
alexa = Alexa()
alexa.state_listener.on_listening = pixel_ring.listen
alexa.state_listener.on_thinking = pixel_ring.think
alexa.state_listener.on_speaking = pixel_ring.speak
alexa.state_listener.on_finished = pixel_ring.off
src.pipeline(ch0, kws, alexa)
# src.link(doa)
def on_detected(keyword):
# direction = doa.get_direction()
# print('detected {} at direction {}'.format(keyword, direction))
print('detected {} '.format(keyword))
alexa.listen()
# pixel_ring.wakeup(direction)
kws.on_detected = on_detected
is_quit = []
def signal_handler(sig, frame):
is_quit.append(True)
print('quit')
signal.signal(signal.SIGINT, signal_handler)
src.pipeline_start()
while not is_quit:
time.sleep(1)
src.pipeline_stop()
def main():
from respeaker.pixel_ring import pixel_ring
config = None if len(sys.argv) < 2 else sys.argv[1]
audio = Audio(frames_size=1600)
kws = KWS()
alexa = Alexa(config)
def speak():
pixel_ring.speak(10, 0)
alexa.state_listener.on_listening = pixel_ring.listen
alexa.state_listener.on_thinking = pixel_ring.wait
alexa.state_listener.on_speaking = speak
alexa.state_listener.on_finished = pixel_ring.off
audio.link(kws)
kws.link(alexa)
def wakeup(keyword):
if keyword.find('alexa') >= 0:
alexa.listen()
kws.set_callback(wakeup)
alexa.start()
kws.start()
audio.start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
break
alexa.stop()
kws.stop()
audio.stop()
def main():
logging.basicConfig(level=logging.DEBUG)
src = Source(rate=16000, channels=4)
ch1 = ChannelPicker(channels=4, pick=1)
ns = NS(rate=16000, channels=1)
kws = KWS(model='snowboy')
doa = DOA(rate=16000)
alexa = Alexa()
alexa.state_listener.on_listening = pixels.listen
alexa.state_listener.on_thinking = pixels.think
alexa.state_listener.on_speaking = pixels.speak
alexa.state_listener.on_finished = pixels.off
def on_detected(keyword):
direction = doa.get_direction()
logging.info('detected {} at direction {}'.format(keyword, direction))
pixels.wakeup(direction)
alexa.listen()
kws.on_detected = on_detected
src.link(ch1)
ch1.link(ns)
ns.link(kws)
kws.link(alexa)
src.link(doa)
src.recursive_start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
break
src.recursive_stop()
def main():
src = Source(rate=16000, frames_size=320, channels=8)
ec = EC(channels=src.channels, capture=0, playback=7)
# ns = NS(rate=src.rate, channels=1)
kws = KWS(model='alexa')
alexa = Alexa()
alexa.state_listener.on_listening = led.on
alexa.state_listener.on_finished = led.off
#src.pipeline(ec, ns, kws, alexa)
src.pipeline(ec, kws, alexa)
def on_detected(keyword):
led.on()
print('detected {}'.format(keyword))
alexa.listen()
kws.on_detected = on_detected
is_quit = []
def signal_handler(sig, frame):
is_quit.append(True)
print('quit')
signal.signal(signal.SIGINT, signal_handler)
src.pipeline_start()
while not is_quit:
time.sleep(1)
src.pipeline_stop()
led.off()
# wait a second to allow other threads to exit
time.sleep(1)
def main():
src = Source(rate=16000, frames_size=320, channels=8)
# ds = DelaySum(channels=8, frames_size=src.frames_size, max_offset=max_offset)
ch0 = ChannelPicker(channels=src.channels, pick=0)
kws = KWS()
# doa = DOA(rate=16000, chunks=20)
alexa = Alexa()
# alexa.state_listener.on_listening = pixel_ring.listen
# alexa.state_listener.on_thinking = pixel_ring.think
# alexa.state_listener.on_speaking = pixel_ring.speak
# alexa.state_listener.on_finished = pixel_ring.off
src.link(ch0)
ch0.link(kws)
kws.link(alexa)
# src.link(doa)
def on_detected(keyword):
# direction = doa.get_direction()
alexa.listen()
# pixel_ring.wakeup((direction + 0) % 360)
# print('detected {} at direction {}'.format(keyword, direction))
print('detected keyword')
kws.on_detected = on_detected
src.recursive_start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
print('quit')
break
src.recursive_stop()
def main():
logging.basicConfig(level=logging.DEBUG)
src = Source(rate=16000, channels=4, device_name='default')
ds = DelaySum(channels=src.channels)
ns = NS(rate=16000, channels=1)
kws = KWS(model='alexa')
alexa = Alexa()
alexa.state_listener.on_listening = leds_on
# alexa.state_listener.on_thinking = pixel_ring.think
# alexa.state_listener.on_speaking = pixel_ring.speak
alexa.state_listener.on_finished = leds_off
src.link(ds)
ds.link(ns)
ns.link(kws)
kws.link(alexa)
def on_detected(keyword):
logging.info('\ndetected {}'.format(keyword))
alexa.listen()
kws.set_callback(on_detected)
is_quit = []
def signal_handler(sig, frame):
is_quit.append(True)
print('quit')
signal.signal(signal.SIGINT, signal_handler)
src.pipeline_start()
while not is_quit:
time.sleep(1)
src.pipeline_stop()
def main():
src = Source(rate=16000, frames_size=320, channels=8)
ch0 = ChannelPicker(channels=src.channels, pick=0)
kws = KWS(model='alexa', sensitivity=0.8)
pws = KWS(model='/usr/share/respeaker/snowboy/resources/nivi.pmdl')
def pwstest():
print('calling Personal function')
exit()
doa = DOA(rate=src.rate, chunks=20)
alexa = Alexa()
alexa.state_listener.on_listening = pixel_ring.listen
alexa.state_listener.on_thinking = pixel_ring.think
alexa.state_listener.on_speaking = pixel_ring.speak
alexa.state_listener.on_finished = pixel_ring.off
src.pipeline(ch0, kws, alexa)
src.pipeline(ch0, pws, doa)
src.link(doa)
def on_detected(keyword):
print('ALEXA Testing fuction')
direction = doa.get_direction()
print('detected {} at direction {}'.format(keyword, direction))
alexa.listen()
pixel_ring.wakeup(direction)
print('afteralexa')
kws.on_detected = on_detected
#pws.on_detected = on_detected
print('afterkws before pws')
#is_quit = []
def on_detected(keyword):
direction = doa.get_direction()
print('PWS Testing')
print('detected {} at direction {}'.format(keyword, direction))
pwstest()
#alexa.listen()
pixel_ring.wakeup(direction)
print('Personal function working')
pws.on_detected = on_detected
is_quit = []
def signal_handler(sig, frame):
is_quit.append(True)
print('quit')
signal.signal(signal.SIGINT, signal_handler)
src.pipeline_start()
while not is_quit:
time.sleep(1)
src.pipeline_stop()
def main():
logging.basicConfig(level=logging.DEBUG)
#logging.getLogger('avs.alexa').setLevel(logging.INFO)
logging.getLogger('hpack.hpack').setLevel(logging.INFO)
en = mraa.Gpio(12)
if os.geteuid() != 0:
time.sleep(1)
en.dir(mraa.DIR_OUT)
en.write(0)
src = RespeakerdSource()
alexa = Alexa()
src.link(alexa)
pixel_ring.think()
def on_ready():
global state
print("===== on_ready =====\r\n")
state = 'off'
pixel_ring.off()
src.on_cloud_ready()
def on_listening():
global state
global last_dir
print("===== on_listening =====\r\n")
if state != 'detected':
print('The last dir is {}'.format(last_dir))
pixel_ring.wakeup(last_dir)
state = 'listening'
pixel_ring.listen()
def on_speaking():
global state
print("===== on_speaking =====\r\n")
state = 'speaking'
src.on_speak()
pixel_ring.speak()
def on_thinking():
global state
print("===== on_thinking =====\r\n")
state = 'thinking'
src.stop_capture()
pixel_ring.think()
def on_off():
global state
print("===== on_off =====\r\n")
state = 'off'
pixel_ring.off()
def on_detected(dir, index):
global state
logging.info('detected at {}`'.format(dir))
state = 'detected'
pixel_ring.wakeup(dir + 300)
next_dir = (dir + 60) % 360
# alexa.listen()
# set the direction to next beam
src.on_set_direction(next_dir)
alexa.state_listener.on_listening = on_listening
alexa.state_listener.on_thinking = on_thinking
alexa.state_listener.on_speaking = on_speaking
alexa.state_listener.on_finished = on_off
alexa.state_listener.on_ready = on_ready
src.set_callback(on_detected)
src.recursive_start()
is_quit = threading.Event()
def signal_handler(signal, frame):
print('Quit')
is_quit.set()
signal.signal(signal.SIGINT, signal_handler)
count = 0
while not is_quit.is_set():
try:
time.sleep(1)
count += 10
except SyntaxError:
pass
except NameError:
pass
src.recursive_stop()
en.write(1)
# -*- coding: utf-8 -*-
import time
import json
import datetime
from assistant import Assistant
import player
import yeelight
import gpiozero
from avs.alexa import Alexa
alexa = Alexa()
led = gpiozero.LED(5)
led.on()
lamp = yeelight.Bulb('192.168.0.104')
weekday = ('', '1', '2', '3', '4', '6', '天')
class Mirror(Assistant):
def __init__(self, key=''):
super(Mirror, self).__init__(key)
self.set_keywords([
'开灯', '关灯', '播放音乐', '几点了', '现在几点', '今天几号', '今天星期几', '暂停', '小呆',
'今天的天气怎么样', '会下雨吗'
def main():
logging.basicConfig(level=logging.DEBUG)
#logging.getLogger('avs.alexa').setLevel(logging.INFO)
logging.getLogger('hpack.hpack').setLevel(logging.INFO)
if os.geteuid() != 0:
time.sleep(1)
src = RespeakerdSource()
alexa = Alexa()
ctl = VolumeCtl()
power = LED(5)
power.on()
src.link(alexa)
pixel_ring.think()
state = 'thinking'
last_dir = 0
def on_ready():
global state
print("===== on_ready =====\r\n")
state = 'off'
pixel_ring.off()
src.on_cloud_ready()
def on_listening():
global state
global last_dir
print("===== on_listening =====\r\n")
if state != 'detected':
print('The last dir is {}'.format(last_dir))
pixel_ring.wakeup(last_dir)
state = 'listening'
pixel_ring.listen()
def on_speaking():
global state
print("===== on_speaking =====\r\n")
state = 'speaking'
src.on_speak()
pixel_ring.speak()
def on_thinking():
global state
print("===== on_thinking =====\r\n")
state = 'thinking'
src.stop_capture()
pixel_ring.think()
def on_off():
global state
print("===== on_off =====\r\n")
state = 'off'
pixel_ring.off()
def on_detected(dir, index):
global state
global last_dir
logging.info('detected hotword:{} at {}`'.format(index, dir))
state = 'detected'
last_dir = (dir + 360 - 60) % 360
alexa.listen()
pixel_ring.wakeup(last_dir)
def on_vad():
# when someone is talking
# print("."),
# sys.stdout.flush()
pass
def on_silence():
# when it is silent
pass
alexa.state_listener.on_listening = on_listening
alexa.state_listener.on_thinking = on_thinking
alexa.state_listener.on_speaking = on_speaking
alexa.state_listener.on_finished = on_off
alexa.state_listener.on_ready = on_ready
alexa.Speaker.CallbackSetVolume(ctl.setVolume)
alexa.Speaker.CallbackGetVolume(ctl.getVolume)
alexa.Speaker.CallbackSetMute(ctl.setMute)
src.set_callback(on_detected)
src.set_vad_callback(on_vad)
src.set_silence_callback(on_silence)
src.recursive_start()
is_quit = threading.Event()
def signal_handler(signal, frame):
print('Quit')
is_quit.set()
signal.signal(signal.SIGINT, signal_handler)
while not is_quit.is_set():
try:
time.sleep(1)
except SyntaxError:
pass
except NameError:
pass
src.recursive_stop()
power.off()
def main():
logging.basicConfig(level=logging.DEBUG)
#logging.getLogger('avs.alexa').setLevel(logging.INFO)
logging.getLogger('hpack.hpack').setLevel(logging.INFO)
en = mraa.Gpio(12)
if os.geteuid() != 0:
time.sleep(1)
en.dir(mraa.DIR_OUT)
en.write(0)
src = RespeakerdSource()
alexa = Alexa()
src.link(alexa)
pixel_ring.think()
state = 'thinking'
last_dir = 0
def on_ready():
global state
print("===== on_ready =====\r\n")
state = 'off'
pixel_ring.off()
src.on_cloud_ready()
def on_listening():
global state
global last_dir
print("===== on_listening =====\r\n")
if state != 'detected':
print('The last dir is {}'.format(last_dir))
pixel_ring.wakeup(last_dir)
state = 'listening'
pixel_ring.listen()
def on_speaking():
global state
print("===== on_speaking =====\r\n")
state = 'speaking'
src.on_speak()
pixel_ring.speak()
def on_thinking():
global state
print("===== on_thinking =====\r\n")
state = 'thinking'
src.stop_capture()
pixel_ring.think()
def on_off():
global state
print("===== on_off =====\r\n")
state = 'off'
pixel_ring.off()
def on_detected(dir):
global state
global last_dir
logging.info('detected at {}`'.format(dir))
state = 'detected'
last_dir = (dir + 360 - 60) % 360
pixel_ring.wakeup(last_dir)
alexa.listen()
alexa.state_listener.on_listening = on_listening
alexa.state_listener.on_thinking = on_thinking
alexa.state_listener.on_speaking = on_speaking
alexa.state_listener.on_finished = on_off
alexa.state_listener.on_ready = on_ready
src.set_callback(on_detected)
src.recursive_start()
while True:
try:
time.sleep(1)
except KeyboardInterrupt:
break
src.recursive_stop()
en.write(1)