def __init__(self, driver: Driver, serverAPI: ServerAPI,
py_audio: PyAudio):
self.logger = logging.getLogger("WalkieTalkie")
self.players = {} # userID -> audio player object
self.serverAPI = serverAPI
self.driver = driver
self.py_audio = py_audio
self.queue = []
self.max_current_priority = -1
MQTT_BROKER = 'mqtt.item.ntnu.no'
MQTT_PORT = 1883
# create MQTT client
self.logger.info(
f'Connecting to MQTT broker {MQTT_BROKER} at port {MQTT_PORT}')
self.mqtt_client = mqtt.Client()
self.mqtt_client.on_connect = self.on_connect
self.mqtt_client.on_message = self.on_message
self.mqtt_client.connect(MQTT_BROKER, MQTT_PORT)
self.mqtt_client.loop_start()
self.update_subscriptions()
# Create state machine
self.state_machine = Machine(name="queue_manager",
transitions=self._get_transitions(),
states=self._get_states(),
obj=self)
driver.add_machine(self.state_machine)
def test_blink():
blink = Blink()
t0 = {"source": "initial", "target": "blink_on", "effect": "on"}
t1 = {
"trigger": "t",
"source": "blink_on",
"target": "blink_off",
"effect": "off"
}
t2 = {
"trigger": "t",
"source": "blink_off",
"target": "blink_on",
"effect": "on"
}
stm_blink = Machine(transitions=[t0, t1, t2], obj=blink, name="blink")
blink.stm = stm_blink
print(stm_blink.print_graph())
scheduler = Driver()
scheduler.add_stm(stm_blink)
scheduler.start()
print("scheduler started")
scheduler.wait_until_finished()
def __init__(self, mqtt_client, device):
self.recording = False
self.chunk = 1024
self.sample_format = pyaudio.paInt16
self.channels = 2 # you might change this based on your mic
self.fs = 44100
self.filename = "output.wav"
self.p = pyaudio.PyAudio()
self.mqtt_client = mqtt_client
self.device = device
t0 = {'source': 'initial', 'target': 'ready'}
t1 = {'trigger': 'start', 'source': 'ready', 'target': 'recording'}
t2 = {
'trigger': 'done',
'source': 'recording',
'target': 'processing',
'effect': 'stop'
}
t3 = {'trigger': 'done', 'source': 'processing', 'target': 'ready'}
s_recording = {
'name': 'recording',
'do': 'record()',
"stop": "stop()",
"start_timer": "start_timer('stop', 5000)"
}
s_processing = {'name': 'processing', 'do': 'process()'}
self.stm = Machine(name='recorder',
transitions=[t0, t1, t2, t3],
states=[s_recording, s_processing],
obj=self)
def __init__(self, driver: Driver, py_audio: PyAudio):
self.logger = logging.getLogger("WalkieTalkie")
self.py_audio = py_audio
self.state_machine = Machine(
name="audio_player_" +
str(id(self)), # Unique identifier for each audio player object
transitions=self._get_transitions(),
states=self._get_states(),
obj=self)
driver.add_machine(self.state_machine)
def test(self):
cfc = CompoundFunctionContainer(13)
t0 = {"source": "initial", "target": "s1"}
t1 = {
"trigger": "a",
"source": "s1",
"function": cfc.compound,
"targets": "s2 s3",
}
t2 = {"trigger": "b", "source": "s2", "target": "final"}
t3 = {"trigger": "b", "source": "s3", "target": "final"}
stm = Machine(name="stm", transitions=[t0, t1, t2, t3], obj=None)
_ = stmpy.get_graphviz_dot(stm)
driver = Driver()
driver.add_machine(stm)
driver.start(keep_active=False)
driver.send("a", "stm", args=["hi"], kwargs={"b1": "bbb"})
driver.send("b", "stm")
driver.wait_until_finished()
def test(self):
terminate = Terminate()
t0 = {"source": "initial", "target": "s_1"}
t1 = {
"trigger": "t",
"source": "s_1",
"target": "s_2",
"effect": "action"
}
stm_terminate = Machine(name="stm_terminate",
transitions=[t0, t1],
obj=terminate)
terminate.stm = stm_terminate
scheduler = Driver()
scheduler.add_machine(stm_terminate)
scheduler.start(max_transitions=2, keep_active=False)
scheduler.send("t", "stm_terminate")
scheduler.wait_until_finished()
_ = stmpy.get_graphviz_dot(stm_terminate)
_ = scheduler.print_status()
self.assertTrue(True)
def test(self):
tick1 = EntryExitSelfLogic()
t0 = {"source": "initial", "target": "s1"}
t1 = {
"trigger": "b",
"source": "s1",
"target": "s1",
"effect": "add('b')"
}
t2 = {
"trigger": "done",
"source": "s1",
"target": "final",
"effect": "add('c')",
}
s1 = {"name": "s1", "do": "do_action('a')"}
stm = Machine(name="stm",
transitions=[t0, t1, t2],
states=[s1],
obj=tick1)
tick1.stm = stm
_ = stmpy.get_graphviz_dot(stm)
driver = Driver()
driver.add_machine(stm)
driver.start()
driver.wait_until_finished()
def get_state_machine(name: str, observers: list):
recognizer = Recognizer(recognition_keyword='lisa',
stm_observers=observers)
t_i0 = {'source': 'initial', 'target': 'listening'}
t_01 = {'trigger': 'done', 'source': 'listening', 'target': 'recognizing'}
t_10_a = {
'trigger': 'recognition_error',
'source': 'recognizing',
'target': 'listening'
}
t_10_b = {
'trigger': 'recognized',
'source': 'recognizing',
'function': recognizer.was_adressed
}
s_listening = {'name': 'listening', 'do': 'listen'}
s_recognizing = {'name': 'recognizing', 'entry': 'recognize'}
stm = Machine(name=name,
transitions=[t_i0, t_01, t_10_a, t_10_b],
states=[s_listening, s_recognizing],
obj=recognizer)
recognizer.stm = stm
return stm
def __init__(self, driver):
self.stm_driver = driver
self.recording = False
self.chunk = 1024 # Record in chunks of 1024 samples
self.sample_format = pyaudio.paInt16 # 16 bits per sample
self.channels = 1
self.fs = 44100 # Record at 44100 samples per second
self.filename = "output.wav"
self._logger = logging.getLogger(__name__)
t0 = {'source': 'initial', 'target': 'ready'}
t1 = {'trigger': 'start', 'source': 'ready', 'target': 'recording'}
t2 = {'trigger': 'done', 'source': 'recording', 'target': 'processing'}
t3 = {'trigger': 'done', 'source': 'processing', 'target': 'ready'}
s_recording = {
'name': 'recording',
'do': 'record()',
"stop": "stop()",
'start': 'defer'
}
s_processing = {
'name': 'processing',
'do': 'process()',
'start': 'defer'
}
self.stm = Machine(name="recorder",
transitions=[t0, t1, t2, t3],
states=[s_recording, s_processing],
obj=self)
self.stm_driver.add_machine(self.stm)
def __init__(self, transitions, states, debug):
self.payload = {}
self._logger = logging.getLogger(__name__)
self._logger.info('logging under name {}.'.format(__name__))
self._logger.info('Starting Component')
self.debug = debug
self.app = None
self.lock = Lock()
self.recorder = Recorder(self)
self.text_to_speech = Speaker()
self.overwrote_last = False
self.uuid = uuid4().hex
if self.debug:
self.uuid = "122ec9e8edda48f8a6dd290747acfa8c"
self.channel = "{server}{uuid}".format(server=MQTT_TOPIC_BASE,uuid=self.uuid)
self.name = "jonas"
stm_walkie_talkie_name = "{}_walkie_talkie".format(self.name)
walkie_talkie_machine = Machine(transitions=transitions, states=states, obj=self, name=stm_walkie_talkie_name)
self.stm = walkie_talkie_machine
recognizer_stm = get_state_machine('stm_recognizer', [stm_walkie_talkie_name])
self.stm_driver = Driver()
self.stm_driver.add_machine(walkie_talkie_machine)
self.stm_driver.add_machine(recognizer_stm)
self.stm_driver.start()
self._logger.debug('Component initialization finished')
def test(self):
t0 = {
"source": "initial",
"target": "s1",
"effect": "start_timer('t1', 1000)",
}
t1 = {
"trigger": "a",
"source": "s1",
"target": "s1",
"effect": "stop_timer('t1')",
}
t2 = {"trigger": "b", "source": "s1", "target": "final"}
stm = Machine(name="stm", transitions=[t0, t1, t2], obj=None)
_ = stmpy.get_graphviz_dot(stm)
driver = Driver()
driver.add_machine(stm)
driver.start(keep_active=False)
driver.send("a", "stm")
driver.send("b", "stm")
driver.wait_until_finished()
def test_tick_2():
logger = logging.getLogger("stmpy.Driver")
logger.setLevel(logging.DEBUG)
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
formatter = logging.Formatter(
"%(asctime)s - %(name)s - %(levelname)s - %(message)s")
ch.setFormatter(formatter)
logger.addHandler(ch)
scheduler = Driver()
tick = Tick_2()
t0 = {"source": "initial", "target": "s_tick", "effect": "on_init"}
t1 = {"trigger": "tick", "source": "s_tick", "function": tick.t_1}
t2 = {"trigger": "tock", "source": "s_tock", "function": tick.t_2}
stm_tick = Machine(name="stm_tick", transitions=[t0, t1, t2], obj=tick)
# the object may need the stm to add events and control timers
tick.stm = stm_tick
scheduler.add_stm(stm_tick)
scheduler.start(max_transitions=10)
scheduler.wait_until_finished()
def test(self):
print(__name__)
debug_level = logging.DEBUG
logger = logging.getLogger(__name__)
logger.setLevel(debug_level)
ch = logging.StreamHandler()
ch.setLevel(debug_level)
formatter = logging.Formatter(
"%(asctime)s - %(name)-12s - %(levelname)-8s - %(message)s")
ch.setFormatter(formatter)
logger.addHandler(ch)
# terminate = Terminate()
t0 = {"source": "initial", "target": "s1"}
t1 = {"trigger": "b", "source": "s1", "target": "s2"}
t2 = {"trigger": "a", "source": "s2", "target": "final"}
s1 = {"name": "s1", "a": "defer", "a2": "defer", "a3": "defer"}
s2 = {"name": "s2", "a2": "defer", "a3": "defer"}
stm_terminate = Machine(name="stm",
transitions=[t0, t1, t2],
states=[s1, s2],
obj=None)
# terminate.stm = stm_terminate
_ = stmpy.get_graphviz_dot(stm_terminate)
print(_)
def unwrap(queue):
s = []
if queue is None:
return s
for event in queue:
if event is not None:
s.append(event["id"])
return s
driver = Driver()
driver.add_machine(stm_terminate)
driver.start(max_transitions=30, keep_active=False)
driver.send("a", "stm")
driver.send("a2", "stm")
driver.send("a3", "stm")
print("Events {}".format(unwrap(driver._event_queue.queue)))
print(stm_terminate.state)
print("Defers {}".format(unwrap(stm_terminate._defer_queue)))
print(driver._max_transitions)
driver.send("b", "stm")
print("Events {}".format(unwrap(driver._event_queue.queue)))
print(stm_terminate.state)
print("Defers {}".format(unwrap(stm_terminate._defer_queue)))
print(driver._max_transitions)
driver.wait_until_finished()
print(stm_terminate.state)
self.assertTrue(True)
def create_machine(self, name):
t0 = {'source': 'initial', 'target': 'ready'}
t5 = {'trigger': 'emg_msg', 'source': 'ready', 'target': 'ready', 'effect': 'switch_emg_mode'}
t7 = {'trigger': 'change_channel_signal', 'source': 'ready', 'target': 'ready', 'effect': 'change_channel'}
stm = Machine(name=name, transitions=[t0, t5, t7], obj=self)
self.stm = stm
return self.stm
def test_ping_pong():
scheduler = Driver()
ping = Ping()
t0 = {"source": "initial", "target": "s_1", "effect": "on_init"}
t1 = {
"trigger": "t",
"source": "s_1",
"target": "s_2",
"effect": "on_timeout"
}
t2 = {
"trigger": "pong",
"source": "s_2",
"target": "s_1",
"effect": "on_pong"
}
stm_ping = Machine(transitions=[t0, t1, t2], obj=ping, name="stm_ping")
ping.stm = stm_ping
pong = Pong()
t0 = {"source": "initial", "target": "s_1"}
t1 = {
"trigger": "t",
"source": "s_2",
"target": "s_1",
"effect": "on_timeout"
}
t2 = {
"trigger": "ping",
"source": "s_1",
"target": "s_2",
"effect": "on_ping"
}
stm_pong = Machine(transitions=[t0, t1, t2], obj=pong, name="stm_pong")
pong.stm = stm_pong
scheduler.add_stm(stm_ping)
scheduler.add_stm(stm_pong)
scheduler.step(4)
scheduler.print_state()
scheduler.step()
scheduler.print_state()
def __init__(self, mqttAPI: MqttAPI, driver: Driver, py_audio: PyAudio,
serverAPI: ServerAPI):
self.logger = logging.getLogger("WalkieTalkie")
self.serverAPI = serverAPI
# Define private variables
self._recording = False
# Save references
self.mqttAPI = mqttAPI
self.py_audio = py_audio
# Create state machine
self.state_machine = Machine(name="audio_recorder",
transitions=self._get_transitions(),
states=self._get_states(),
obj=self)
driver.add_machine(self.state_machine)
def __init__(self, plant_name, myclient):
self._logger = logging.getLogger(__name__)
self._logger.warning("Created airHumidity machine")
self.plant_name = plant_name
self.sh = SenseHat()
watering_machine = Machine(transitions=[self.t0, self.t1],
obj=self,
states=[self.idle],
name='AirHumid')
self.stm = watering_machine
self.mqtt = myclient
def __init__(self, plant_name, humidityCh):
self._logger = logging.getLogger(__name__)
self._logger.warning("Created watering machine")
self.plant_name = plant_name
watering_machine = Machine(
transitions=[self.t0, self.t1, self.t2],
obj=self,
states=[self.not_watering, self.watering_plant],
name='Watering')
self.stm = watering_machine
self.humidityCh = humidityCh
def __init__(self):
self.recorder = Recorder()
t0_r = {'source': 'initial', 'target': 'ready'}
t1_r = {
'trigger': 'start_recording',
'source': 'ready',
'target': 'recording'
}
t2_r = {'trigger': 'done', 'source': 'recording', 'target': 'ready'}
s_ready = {'name': 'ready'}
s_recording = {
'name': 'recording',
'do': 'record()',
"stop": "stop_recording()"
}
self.stm_recording = Machine(name='stm_recording',
transitions=[t0_r, t1_r, t2_r],
states=[s_ready, s_recording],
obj=self.recorder)
self.recorder.stm = self.stm_recording
self.speaker = Speaker()
t0_s = {'source': 'initial', 'target': 'ready'}
t1_s = {'trigger': 'speak', 'source': 'ready', 'target': 'speaking'}
t2_s = {'trigger': 'done', 'source': 'speaking', 'target': 'ready'}
s1_s = {'name': 'speaking', 'do': 'speak(*)', 'speak': 'defer'}
self.stm_speaker = Machine(name='stm_speaker',
transitions=[t0_s, t1_s, t2_s],
states=[s1_s],
obj=self.speaker)
self.speaker.stm = self.stm_speaker
self.driver = Driver()
self.driver.add_machine(self.stm_recording)
self.driver.add_machine(self.stm_speaker)
self.driver.start()
print('Audio Module ready')
def __init__(self, driver):
self.stm_driver = driver
t0 = {'source': 'initial', 'target': 'ready'}
t1 = {'trigger': 'start', 'source': 'ready', 'target': 'playing'}
t2 = {'trigger': 'done', 'source': 'playing', 'target': 'ready'}
s_playing = {'name': 'playing', 'do': 'play(*)', 'start': 'defer'}
self.stm = Machine(name='player',
transitions=[t0, t1, t2],
states=[s_playing],
obj=self)
self.stm_driver.add_machine(self.stm)
def __init__(self, driver):
self.recording = False
self.chunk = 1024 # Record in chunks of 1024 samples
self.sample_format = pyaudio.paInt16 # 16 bits per sample
self.channels = 2
self.fs = 44100 # Record at 44100 samples per second
self.filename = "output.wav"
self.p = pyaudio.PyAudio()
self.stm_recorder = Machine(
name='stm_recorder',
transitions=[self.t0, self.t1, self.t2, self.t3],
states=[self.s_recording, self.s_processing],
obj=self)
self.driver = driver
self.driver.add_machine(self.stm_recorder)
def __init__(self, driver):
self.stm_driver = driver
t0 = {'source': 'initial', 'target': 'ready'}
t1 = {'trigger': 'saveFile', 'source': 'ready', 'target': 'writing'}
t2 = {'trigger': 'done', 'source': 'writing', 'target': 'ready'}
t3 = {'trigger': 'deleteFile', 'source': 'ready', 'target': 'deleting'}
t4 = {'trigger': 'done', 'source': 'deleting', 'target': 'ready'}
s_writing = {'name': 'writing', 'do': 'save(*)', 'saveFile': 'defer', 'deleteFile': 'defer', }
s_deleting = {'name': 'deleting', 'do': 'delete(*)', 'saveFile': 'defer', 'deleteFile': 'defer'}
self.stm = Machine(name="fileManager", transitions=[t0, t1, t2, t3, t4], states=[s_writing, s_deleting], obj=self)
self.stm_driver.add_machine(self.stm)
def test_timer():
if "s" is "s":
print("same!")
t0 = {"source": "initial", "target": "s_1"}
m = Machine(transitions=[t0], obj=None, name="t")
driver = Driver()
driver.add_stm(m)
m.start_timer("t", 1000)
print(driver.print_status())
m.stop_timer("t")
print(driver.print_status())
def create_machine(m_name, component):
recorder = Recorder()
t0 = {'source': 'initial', 'target': 'ready'}
t1 = {'trigger': 'start', 'source': 'ready', 'target': 'recording'}
t2 = {'trigger': 'done', 'source': 'recording', 'target': 'processing'}
t3 = {'trigger': 'done', 'source': 'processing', 'target': 'ready'}
s_recording = {'name': 'recording', 'do': 'record()', "stop": "stop()"}
s_processing = {'name': 'processing', 'do': 'process()'}
recorder_stm = Machine(name=m_name,
transitions=[t0, t1, t2, t3],
states=[s_recording, s_processing],
obj=recorder)
recorder.stm = recorder_stm
return recorder
def test(self):
busy = Busy()
t0 = {"source": "initial", "target": "s_busy", "effect": "on_busy"}
t1 = {
"trigger": "busy",
"source": "s_busy",
"target": "s_busy",
"effect": "on_busy",
}
stm_busy = Machine(name="busy", transitions=[t0, t1], obj=busy)
busy.stm = stm_busy
scheduler = Driver()
scheduler.add_machine(stm_busy)
scheduler.start(max_transitions=5)
scheduler.wait_until_finished()
self.assertTrue(True)
def test_busy():
busy = Busy()
t0 = {"source": "initial", "target": "s_busy", "effect": "on_busy"}
t1 = {
"trigger": "busy",
"source": "s_busy",
"target": "s_busy",
"effect": "on_busy",
}
stm_busy = Machine(transitions=[t0, t1], obj=busy, name="stm_busy")
busy.stm = stm_busy
scheduler = Driver()
scheduler.add_stm(stm_busy)
scheduler.start(max_transitions=100)
print("scheduler started")
scheduler.wait_until_finished()
def test(self):
t0 = {"source": "initial", "target": "s1"}
t1 = {
"trigger": "a",
"source": "s1",
"function": self.compound,
"targets": "final",
}
stm = Machine(name="stm", transitions=[t0, t1], obj=None)
_ = stmpy.get_graphviz_dot(stm)
driver = Driver()
driver.add_machine(stm)
driver.start(keep_active=False)
driver.send("a", "stm", args=["hi"], kwargs={"b1": "bbb"})
driver.wait_until_finished()
def test(self):
two = TwoMethods()
t0 = {"source": "initial", "target": "s_1"}
t1 = {
"trigger": "t",
"source": "s_1",
"target": "s_2",
"effect": "m1;m2"
}
stm_two = Machine(name="stm_two", transitions=[t0, t1], obj=two)
two.stm = stm_two
scheduler = Driver()
scheduler.add_machine(stm_two)
scheduler.start(max_transitions=2)
print("scheduler started")
scheduler.send("t", "stm_two")
scheduler.wait_until_finished()
self.assertTrue(True)
def activate_lights():
global scheduler
lights = Lights()
t0 = {'source': 'initial', 'target': 's_none', 'effect': 'on_init'}
t1 = {
'trigger': 'goto_green',
'source': 's_none',
'target': 's_green',
'effect': 'on_green'
}
t2 = {
'trigger': 'goto_none',
'source': 's_green',
'target': 's_none',
'effect': 'on_none'
}
t3 = {
'trigger': 'goto_red',
'source': 's_none',
'target': 's_red',
'effect': 'on_red'
}
t4 = {
'trigger': 'goto_none',
'source': 's_red',
'target': 's_none',
'effect': 'on_none'
}
stm_lights = Machine(name='stm_lights',
transitions=[t0, t1, t2, t3, t4],
obj=lights)
lights.stm = stm_lights
scheduler.add_machine(stm_lights)
scheduler.start()
def test(self):
tick1 = EntryExitSelfLogic()
t0 = {"source": "initial", "target": "s1"}
t1 = {
"trigger": "b",
"source": "s1",
"target": "s1",
"effect": "add('b')"
}
t2 = {
"trigger": "c",
"source": "s1",
"target": "final",
"effect": "add('c')"
}
s1 = {
"name": "s1",
"a": "add('a')",
"entry": "add('entry')",
"exit": "add('exit')",
}
stm = Machine(name="stm",
transitions=[t0, t1, t2],
states=[s1],
obj=tick1)
tick1.stm = stm
_ = stmpy.get_graphviz_dot(stm)
driver = Driver()
driver.add_machine(stm)
driver.start(max_transitions=30, keep_active=False)
driver.send("a", "stm")
driver.send("b", "stm")
driver.send("c", "stm")
driver.wait_until_finished()