openwebrx-clone/owrx/source/fifi_sdr.py
2021-02-20 18:09:24 +01:00

44 lines
1.3 KiB
Python

from owrx.command import Option
from owrx.source.direct import DirectSource, DirectSourceDeviceDescription
from subprocess import Popen
import logging
logger = logging.getLogger(__name__)
class FifiSdrSource(DirectSource):
def getCommandMapper(self):
return (
super()
.getCommandMapper()
.setBase("arecord")
.setMappings({"device": Option("-D"), "samp_rate": Option("-r")})
.setStatic("-t raw -f S16_LE -c2 -")
)
def getEventNames(self):
return super().getEventNames() + ["device"]
def getFormatConversion(self):
return ["csdr convert_s16_f", "csdr gain_ff 5"]
def sendRockProgFrequency(self, frequency):
process = Popen(["rockprog", "--vco", "-w", "--freq={}".format(frequency / 1e6)])
process.communicate()
rc = process.wait()
if rc != 0:
logger.warning("rockprog failed to set frequency; rc=%i", rc)
def preStart(self):
values = self.getCommandValues()
self.sendRockProgFrequency(values["tuner_freq"])
def onPropertyChange(self, changes):
if "center_freq" in changes:
self.sendRockProgFrequency(changes["center_freq"])
class FifiSdrDeviceDescription(DirectSourceDeviceDescription):
pass