implement wfm demodulator chain

owrx/connection.py

@@ -299,6 +299,9 @@ class OpenWebRxReceiverClient(OpenWebRxClient):
     def write_dsp_data(self, data):
         self.send(bytes([0x02]) + data)
 
+    def write_hd_audio(self, data):
+        self.send(bytes([0x04]) + data)
+
     def write_s_meter_level(self, level):
         self.send({"type": "smeter", "value": level})
 

owrx/dsp.py

@@ -95,6 +95,7 @@ class DspManager(csdr.output):
             self.props.wireProperty("digimodes_fft_size", self.dsp.set_secondary_fft_size),
             self.props.wireProperty("samp_rate", self.dsp.set_samp_rate),
             self.props.wireProperty("output_rate", self.dsp.set_output_rate),
+            self.props.wireProperty("hd_output_rate", self.dsp.set_hd_output_rate),
             self.props.wireProperty("offset_freq", self.dsp.set_offset_freq),
             self.props.wireProperty("center_freq", self.dsp.set_center_freq),
             self.props.wireProperty("squelch_level", self.dsp.set_squelch_level),
@@ -147,6 +148,7 @@ class DspManager(csdr.output):
         logger.debug("adding new output of type %s", t)
         writers = {
             "audio": self.handler.write_dsp_data,
+            "hd_audio": self.handler.write_hd_audio,
             "smeter": self.handler.write_s_meter_level,
             "secondary_fft": self.handler.write_secondary_fft,
             "secondary_demod": self.handler.write_secondary_demod,

owrx/modes.py

@@ -40,6 +40,7 @@ class DigitalMode(Mode):
 class Modes(object):
     mappings = [
         AnalogMode("nfm", "FM", bandpass=Bandpass(-4000, 4000)),
+        AnalogMode("wfm", "WFM", bandpass=Bandpass(-16000, 16000)),
         AnalogMode("am", "AM", bandpass=Bandpass(-4000, 4000)),
         AnalogMode("lsb", "LSB", bandpass=Bandpass(-3000, -300)),
         AnalogMode("usb", "USB", bandpass=Bandpass(300, 3000)),