mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
111 lines
4.1 KiB
Python
111 lines
4.1 KiB
Python
import threading
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import frame_dispatcher
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import modem
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import structlog
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import audio
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import ujson as json
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import explorer
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class SM:
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def __init__(self, app):
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self.log = structlog.get_logger("service")
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self.modem = False
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self.data_handler = False
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self.app = app
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self.config = self.app.config_manager.read()
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self.modem_events = app.modem_events
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self.modem_fft = app.modem_fft
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self.enable_fft_stream = False
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self.modem_service = app.modem_service
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self.states = app.state_manager
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runner_thread = threading.Thread(
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target=self.runner, name="runner thread", daemon=True
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)
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runner_thread.start()
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# optionally start explorer module
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if self.config['STATION']['enable_explorer']:
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explorer.explorer(self.app, self.config, self.states)
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def runner(self):
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while True:
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cmd = self.modem_service.get()
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if cmd in ['start'] and not self.modem:
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self.log.info("------------------ FreeDATA ------------------")
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self.log.info("------------------ MODEM ------------------")
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self.start_modem()
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elif cmd in ['stop'] and self.modem:
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self.stop_modem()
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# we need to wait a bit for avoiding a portaudio crash
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threading.Event().wait(0.5)
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elif cmd in ['restart']:
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self.stop_modem()
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# we need to wait a bit for avoiding a portaudio crash
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threading.Event().wait(0.5)
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if self.start_modem():
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self.modem_events.put(json.dumps({"freedata": "modem-event", "event": "restart"}))
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elif cmd in ['fft:true']:
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# Tell modem it should put FFT data in the queue
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self.modem.set_FFT_stream(True)
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self.enable_fft_stream=True
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elif cmd in ['fft:false']:
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# Tell modem it should not put FFT data in the queue
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self.modem.set_FFT_stream(False)
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self.enable_fft_stream=False
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else:
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self.log.warning("[SVC] modem command processing failed", cmd=cmd, state=self.states.is_modem_running)
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def start_modem(self):
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# read config
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self.config = self.app.config_manager.read()
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if self.states.is_modem_running:
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self.log.warning("modem already running")
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return False
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# test audio devices
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audio_test = self.test_audio()
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if False in audio_test or None in audio_test or self.states.is_modem_running:
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self.log.warning("starting modem failed", input_test=audio_test[0], output_test=audio_test[1])
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self.states.set("is_modem_running", False)
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self.modem_events.put({"freedata": "modem-event", "event": "failed"})
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return False
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self.log.info("starting modem....")
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self.modem = modem.RF(self.config, self.modem_events, self.modem_fft, self.modem_service, self.states)
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self.frame_dispatcher = frame_dispatcher.DISPATCHER(self.config,
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self.modem_events,
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self.states,
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self.modem.data_queue_received,
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self.modem.modem_transmit_queue)
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self.frame_dispatcher.start()
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self.states.set("is_modem_running", True)
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self.modem.set_FFT_stream(self.enable_fft_stream)
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self.modem.start_modem()
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return True
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def stop_modem(self):
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self.log.info("stopping modem....")
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del self.modem
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#del self.data_handler
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self.modem = False
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#self.data_handler = False
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self.states.set("is_modem_running", False)
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def test_audio(self):
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audio_test = audio.test_audio_devices(self.config['AUDIO']['input_device'],
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self.config['AUDIO']['output_device'])
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self.log.info("tested audio devices", result=audio_test)
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return audio_test
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