Merge branch 'server_rework' into server_rework_dsd

owrx/feature.py

@@ -16,6 +16,7 @@ class FeatureDetector(object):
         "rtl_sdr": [ "rtl_sdr" ],
         "sdrplay": [ "rx_tools" ],
         "hackrf": [ "hackrf_transfer" ],
+        "airspy": [ "airspy_rx" ],
         "digital_voice_digiham": [ "digiham", "sox" ],
         "digital_voice_dsd": [ "dsd", "sox" ]
     }
@@ -101,4 +102,7 @@ class FeatureDetector(object):
         return self.command_is_runnable("dsd")
 
     def has_sox(self):
-        return self.command_is_runnable("sox")
+        return self.command_is_runnable("sox")
+
+    def has_airspy_rx(self):
+        return self.command_is_runnable("airspy_rx --help 2> /dev/null")

owrx/source.py

@@ -257,6 +257,16 @@ class SdrplaySource(SdrSource):
     def sleepOnRestart(self):
         time.sleep(1)
 
+class AirspySource(SdrSource):
+    def getCommand(self):
+        frequency = self.props['center_freq'] / 1e6
+        command = "airspy_rx"
+        command += " -f{0}".format(frequency)
+        command += " -r /dev/stdout -a{samp_rate} -g {rf_gain}"
+        return command
+    def getFormatConversion(self):
+        return "csdr convert_s16_f"
+
 class SpectrumThread(csdr.output):
     def __init__(self, sdrSource):
         self.sdrSource = sdrSource