from owrx.source.direct import DirectSource, DirectSourceDeviceDescription from owrx.command import Option, Flag from owrx.form import Input, DropdownEnum, DropdownInput, CheckboxInput from typing import List # # In order to interface Perseus hardware, we resolve to use the # perseustest utility that comes with libperseus-sdr support package. # Below the base options used are shown: # # -p output I/Q samples as 32 bits floating point # -d -1 suppress debug messages # -a don't test attenuators on startup # -t 0 runs indefinitely # -o - output samples on stdout # # As we are already returning I/Q samples as pairs of 32 bits # floating points (option -p),no need for further conversions, # so the method getFormatConversion(self) is not implemented at all. class PerseussdrSource(DirectSource): def getCommandMapper(self): return ( super() .getCommandMapper() .setBase("perseustest -p -d -1 -a -t 0 -o - ") .setMappings( { "samp_rate": Option("-s"), "tuner_freq": Option("-f"), "attenuator": Option("-u"), "adc_preamp": Flag("-m"), "adc_dither": Flag("-x"), "wideband": Flag("-w"), } ) ) class AttenuatorOptions(DropdownEnum): ATTENUATOR_0 = 0 ATTENUATOR_10 = -10 ATTENUATOR_20 = -20 ATTENUATOR_30 = -30 def __str__(self): return "{value} dB".format(value=self.value) class PerseussdrDeviceDescription(DirectSourceDeviceDescription): def getInputs(self) -> List[Input]: return super().getInputs() + [ DropdownInput("attenuator", "Attenuator", options=AttenuatorOptions), CheckboxInput("adc_preamp", "Activate ADC preamp"), CheckboxInput("adc_dither", "Enable ADC dithering"), CheckboxInput("wideband", "Disable analog filters"), ] def getOptionalKeys(self): # no rf_gain return [key for key in super().getOptionalKeys() if key != "rf_gain"] + [ "attenuator", "adc_preamp", "adc_dither", "wideband", ] def getProfileOptionalKeys(self): return [key for key in super().getProfileOptionalKeys() if key != "rf_gain"] + [ "attenuator", "adc_preamp", "adc_dither", "wideband", ]