implement first stages of active mode communication

owrx/modes.py

@@ -0,0 +1,43 @@
+from owrx.feature import FeatureDetector
+from functools import reduce
+
+
+class Mode(object):
+    def __init__(self, modulation, name, requirements=None, service=False):
+        self.modulation = modulation
+        self.name = name
+        self.requirements = requirements if requirements is not None else []
+        self.service = service
+
+    def is_available(self):
+        fd = FeatureDetector()
+        return reduce(
+            lambda a, b: a and b, [fd.is_available(r) for r in self.requirements], True
+        )
+
+    def is_service(self):
+        return self.service
+
+
+class Modes(object):
+    mappings = [
+        Mode("ft8", "FT8", ["wsjt-x"], True),
+        Mode("ft4", "FT4", ["wsjt-x"], True),
+        Mode("jt65", "JT65", ["wsjt-x"], True),
+        Mode("jt9", "JT9", ["wsjt-x"], True),
+        Mode("wspr", "WSPR", ["wsjt-x"], True),
+        Mode("packet", "Packet", ["packet"], True),
+        Mode("js8", "JS8Call", ["js8call"], True),
+    ]
+
+    @staticmethod
+    def getModes():
+        return Modes.mappings
+
+    @staticmethod
+    def getAvailableModes():
+        return [m for m in Modes.getModes() if m.is_available()]
+
+    @staticmethod
+    def getAvailableServices():
+        return [m for m in Modes.getAvailableModes() if m.is_service()]