45 lines
1.3 KiB
Python
45 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 -i s16 -o float", "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):
|
|
def getName(self):
|
|
return "FiFi SDR"
|