155 lines
5.8 KiB
Python
155 lines
5.8 KiB
Python
from owrx.config import PropertyManager
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from owrx.meta import MetaParser
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from owrx.wsjt import WsjtParser
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from owrx.aprs import AprsParser
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from owrx.pocsag import PocsagParser
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from owrx.source import SdrSource
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from csdr import csdr
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import threading
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import logging
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logger = logging.getLogger(__name__)
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class DspManager(csdr.output):
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def __init__(self, handler, sdrSource):
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self.handler = handler
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self.sdrSource = sdrSource
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self.parsers = {
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"meta": MetaParser(self.handler),
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"wsjt_demod": WsjtParser(self.handler),
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"packet_demod": AprsParser(self.handler),
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"pocsag_demod": PocsagParser(self.handler),
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}
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self.localProps = (
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self.sdrSource.getProps()
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.collect(
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"audio_compression",
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"fft_compression",
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"digimodes_fft_size",
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"csdr_dynamic_bufsize",
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"csdr_print_bufsizes",
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"csdr_through",
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"digimodes_enable",
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"samp_rate",
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"digital_voice_unvoiced_quality",
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"dmr_filter",
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"temporary_directory",
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"center_freq",
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)
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.defaults(PropertyManager.getSharedInstance())
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)
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self.dsp = csdr.dsp(self)
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self.dsp.nc_port = self.sdrSource.getPort()
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def set_low_cut(cut):
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bpf = self.dsp.get_bpf()
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bpf[0] = cut
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self.dsp.set_bpf(*bpf)
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def set_high_cut(cut):
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bpf = self.dsp.get_bpf()
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bpf[1] = cut
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self.dsp.set_bpf(*bpf)
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def set_dial_freq(key, value):
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freq = self.localProps["center_freq"] + self.localProps["offset_freq"]
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for parser in self.parsers.values():
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parser.setDialFrequency(freq)
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self.subscriptions = [
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self.localProps.getProperty("audio_compression").wire(self.dsp.set_audio_compression),
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self.localProps.getProperty("fft_compression").wire(self.dsp.set_fft_compression),
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self.localProps.getProperty("digimodes_fft_size").wire(self.dsp.set_secondary_fft_size),
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self.localProps.getProperty("samp_rate").wire(self.dsp.set_samp_rate),
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self.localProps.getProperty("output_rate").wire(self.dsp.set_output_rate),
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self.localProps.getProperty("offset_freq").wire(self.dsp.set_offset_freq),
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self.localProps.getProperty("squelch_level").wire(self.dsp.set_squelch_level),
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self.localProps.getProperty("low_cut").wire(set_low_cut),
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self.localProps.getProperty("high_cut").wire(set_high_cut),
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self.localProps.getProperty("mod").wire(self.dsp.set_demodulator),
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self.localProps.getProperty("digital_voice_unvoiced_quality").wire(self.dsp.set_unvoiced_quality),
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self.localProps.getProperty("dmr_filter").wire(self.dsp.set_dmr_filter),
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self.localProps.getProperty("temporary_directory").wire(self.dsp.set_temporary_directory),
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self.localProps.collect("center_freq", "offset_freq").wire(set_dial_freq),
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]
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self.dsp.set_offset_freq(0)
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self.dsp.set_bpf(-4000, 4000)
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self.dsp.csdr_dynamic_bufsize = self.localProps["csdr_dynamic_bufsize"]
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self.dsp.csdr_print_bufsizes = self.localProps["csdr_print_bufsizes"]
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self.dsp.csdr_through = self.localProps["csdr_through"]
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if self.localProps["digimodes_enable"]:
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def set_secondary_mod(mod):
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if mod == False:
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mod = None
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self.dsp.set_secondary_demodulator(mod)
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if mod is not None:
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self.handler.write_secondary_dsp_config(
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{
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"secondary_fft_size": self.localProps["digimodes_fft_size"],
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"if_samp_rate": self.dsp.if_samp_rate(),
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"secondary_bw": self.dsp.secondary_bw(),
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}
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)
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self.subscriptions += [
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self.localProps.getProperty("secondary_mod").wire(set_secondary_mod),
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self.localProps.getProperty("secondary_offset_freq").wire(self.dsp.set_secondary_offset_freq),
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]
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self.sdrSource.addClient(self)
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super().__init__()
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def start(self):
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if self.sdrSource.isAvailable():
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self.dsp.start()
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def receive_output(self, t, read_fn):
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logger.debug("adding new output of type %s", t)
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writers = {
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"audio": self.handler.write_dsp_data,
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"smeter": self.handler.write_s_meter_level,
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"secondary_fft": self.handler.write_secondary_fft,
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"secondary_demod": self.handler.write_secondary_demod,
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}
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for demod, parser in self.parsers.items():
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writers[demod] = parser.parse
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write = writers[t]
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threading.Thread(target=self.pump(read_fn, write)).start()
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def stop(self):
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self.dsp.stop()
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self.sdrSource.removeClient(self)
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for sub in self.subscriptions:
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sub.cancel()
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self.subscriptions = []
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def setProperty(self, prop, value):
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self.localProps.getProperty(prop).setValue(value)
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def getClientClass(self):
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return SdrSource.CLIENT_USER
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def onStateChange(self, state):
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if state == SdrSource.STATE_RUNNING:
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logger.debug("received STATE_RUNNING, attempting DspSource restart")
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self.dsp.start()
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elif state == SdrSource.STATE_STOPPING:
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logger.debug("received STATE_STOPPING, shutting down DspSource")
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self.dsp.stop()
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elif state == SdrSource.STATE_FAILED:
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logger.debug("received STATE_FAILED, shutting down DspSource")
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self.dsp.stop()
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def onBusyStateChange(self, state):
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pass
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