Merge branch 'develop' into pycsdr

owrx/feature.py

@@ -75,6 +75,7 @@ class FeatureDetector(object):
         "digital_voice_digiham": ["digiham", "sox"],
         "digital_voice_dsd": ["dsd", "sox", "digiham"],
         "digital_voice_freedv": ["freedv_rx", "sox"],
+        "digital_voice_m17": ["m17_demod", "sox"],
         "wsjt-x": ["wsjtx", "sox"],
         "packet": ["direwolf", "sox"],
         "pocsag": ["digiham", "sox"],
@@ -150,7 +151,7 @@ class FeatureDetector(object):
         # prevent X11 programs from opening windows if called from a GUI shell
         env.pop("DISPLAY", None)
         try:
-            process = subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, cwd=tmp_dir, env=env)
+            process = subprocess.Popen(cmd, stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, cwd=tmp_dir, env=env)
             rc = process.wait()
             if expected_result is None:
                 return rc != 32512
@@ -419,6 +420,14 @@ class FeatureDetector(object):
         """
         return self.command_is_runnable("dsd")
 
+    def has_m17_demod(self):
+        """
+        The `m17-demod` tool is used to demodulate M17 digital voice signals.
+
+        You can find more information [here](https://github.com/mobilinkd/m17-cxx-demod)
+        """
+        return self.command_is_runnable("m17-demod")
+
     def has_sox(self):
         """
         The sox audio library is used to convert between the typical 8 kHz audio sampling rate used by digital modes and

owrx/modes.py

@@ -63,6 +63,7 @@ class Modes(object):
         AnalogMode("dstar", "D-Star", bandpass=Bandpass(-3250, 3250), requirements=["digital_voice_dsd"], squelch=False),
         AnalogMode("nxdn", "NXDN", bandpass=Bandpass(-3250, 3250), requirements=["digital_voice_dsd"], squelch=False),
         AnalogMode("ysf", "YSF", bandpass=Bandpass(-4000, 4000), requirements=["digital_voice_digiham"], squelch=False),
+        AnalogMode("m17", "M17", bandpass=Bandpass(-4000, 4000), requirements=["digital_voice_m17"], squelch=False),
         AnalogMode("freedv", "FreeDV", bandpass=Bandpass(300, 3000), requirements=["digital_voice_freedv"], squelch=False),
         AnalogMode("drm", "DRM", bandpass=Bandpass(-5000, 5000), requirements=["drm"], squelch=False),
         DigitalMode("bpsk31", "BPSK31", underlying=["usb"]),

owrx/source/sdrplay.py

@@ -10,6 +10,7 @@ class SdrplaySource(SoapyConnectorSource):
                 "rf_notch": "rfnotch_ctrl",
                 "dab_notch": "dabnotch_ctrl",
                 "if_mode": "if_mode",
+                "external_reference": "extref_ctrl",
             }
         )
         return mappings