38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
from owrx.command import Option
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from .direct import DirectSource
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from subprocess import Popen
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import logging
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logger = logging.getLogger(__name__)
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class FifiSdrSource(DirectSource):
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def __init__(self, id, props):
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super().__init__(id, props)
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self.getCommandMapper().setBase("arecord").setMappings(
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{"device": Option("-D"), "samp_rate": Option("-r")}
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).setStatic("-f S16_LE -c2 -")
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def getEventNames(self):
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return super().getEventNames() + ["device"]
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def getFormatConversion(self):
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return ["csdr convert_s16_f", "csdr gain_ff 30"]
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def sendRockProgFrequency(self, frequency):
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process = Popen(["rockprog", "--vco", "-w", "--", "freq={}".format(frequency / 1E6)])
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process.communicate()
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rc = process.wait()
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if rc != 0:
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logger.warning("rockprog failed to set frequency; rc=%i", rc)
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def preStart(self):
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values = self.getCommandValues()
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self.sendRockProgFrequency(values["tuner_freq"])
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def onPropertyChange(self, name, value):
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if name != "center_freq":
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return
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self.sendRockProgFrequency(value)
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