basic parsing of acars messages

csdr/chain/acarsdec.py

@@ -1,5 +1,5 @@
 from pycsdr.modules import AmDemod
-from owrx.acars.acarsdec import AcarsDecModule
+from owrx.acars.acarsdec import AcarsDecModule, AcarsParser
 from csdr.chain.demodulator import ServiceDemodulator
 from csdr.module import JsonParser
 
@@ -9,8 +9,11 @@ class AcarsDec(ServiceDemodulator):
         super().__init__([
             AmDemod(),
             AcarsDecModule(),
-            JsonParser("ACARS"),
+            AcarsParser(),
         ])
 
     def getFixedAudioRate(self) -> int:
         return 12500
+
+    def supportsSquelch(self) -> bool:
+        return False

owrx/acars/acarsdec.py

@@ -1,5 +1,6 @@
 from pycsdr.modules import ExecModule
 from pycsdr.types import Format
+from owrx.aeronautical import AcarsProcessor
 
 
 class AcarsDecModule(ExecModule):
@@ -9,3 +10,14 @@ class AcarsDecModule(ExecModule):
             Format.CHAR,
             ["acarsdec", "-s", "-o", "4"]
         )
+
+
+class AcarsParser(AcarsProcessor):
+    def __init__(self):
+        super().__init__("ACARS")
+
+    def process(self, line):
+        msg = super().process(line)
+        if msg is not None:
+            if "libacars" in msg:
+                self.processAcars(msg)