from owrx.feature import FeatureDetector from functools import reduce class Bandpass(object): def __init__(self, low_cut, high_cut): self.low_cut = low_cut self.high_cut = high_cut class Mode(object): def __init__(self, modulation, name, bandpass: Bandpass = None, requirements=None, service=False, squelch=True): self.modulation = modulation self.name = name self.requirements = requirements if requirements is not None else [] self.service = service self.bandpass = bandpass self.squelch = squelch def is_available(self): fd = FeatureDetector() return reduce(lambda a, b: a and b, [fd.is_available(r) for r in self.requirements], True) def is_service(self): return self.service class AnalogMode(Mode): pass class DigitalMode(Mode): def __init__( self, modulation, name, underlying, bandpass: Bandpass = None, requirements=None, service=False, squelch=True ): super().__init__(modulation, name, bandpass, requirements, service, squelch) self.underlying = underlying class Modes(object): mappings = [ AnalogMode("nfm", "FM", bandpass=Bandpass(-4000, 4000)), AnalogMode("am", "AM", bandpass=Bandpass(-4000, 4000)), AnalogMode("lsb", "LSB", bandpass=Bandpass(-3000, -300)), AnalogMode("usb", "USB", bandpass=Bandpass(300, 3000)), AnalogMode("cw", "CW", bandpass=Bandpass(700, 900)), AnalogMode("dmr", "DMR", bandpass=Bandpass(-4000, 4000), requirements=["digital_voice_digiham"], squelch=False), AnalogMode("dstar", "DStar", bandpass=Bandpass(-3250, 3250), requirements=["digital_voice_dsd"], squelch=False), AnalogMode("nxdn", "NXDN", bandpass=Bandpass(-3250, 3250), requirements=["digital_voice_dsd"], squelch=False), AnalogMode("ysf", "YSF", bandpass=Bandpass(-4000, 4000), requirements=["digital_voice_digiham"], squelch=False), DigitalMode("bpsk31", "BPSK31", underlying=["usb"]), DigitalMode("bpsk63", "BPSK63", underlying=["usb"]), DigitalMode("ft8", "FT8", underlying=["usb"], requirements=["wsjt-x"], service=True), DigitalMode("ft4", "FT4", underlying=["usb"], requirements=["wsjt-x"], service=True), DigitalMode("jt65", "JT65", underlying=["usb"], requirements=["wsjt-x"], service=True), DigitalMode("jt9", "JT9", underlying=["usb"], requirements=["wsjt-x"], service=True), DigitalMode( "wspr", "WSPR", underlying=["usb"], bandpass=Bandpass(1350, 1650), requirements=["wsjt-x"], service=True ), DigitalMode("js8", "JS8Call", underlying=["usb"], requirements=["js8call"], service=True), DigitalMode( "packet", "Packet", underlying=["nfm", "usb", "lsb"], requirements=["packet"], service=True, squelch=False ), DigitalMode( "pocsag", "Pocsag", underlying=["nfm"], bandpass=Bandpass(-6000, 6000), requirements=["pocsag"], squelch=False, ), ] @staticmethod def getModes(): return Modes.mappings @staticmethod def getAvailableModes(): return [m for m in Modes.getModes() if m.is_available()] @staticmethod def getAvailableServices(): return [m for m in Modes.getAvailableModes() if m.is_service()] @staticmethod def findByModulation(modulation): modes = [m for m in Modes.getAvailableModes() if m.modulation == modulation] if modes: return modes[0]