Added Support for OP25

op25Handler.py

@@ -0,0 +1,35 @@
+import threading
+import subprocess
+import os
+
+
+class OP25Handler(threading.Thread):
+    def __init__(self):
+        super().__init__()
+        self.OP25Dir: str = "/home/pi/op25/op25/gr-op25_repeater/apps"
+        self.OP25Proc = None
+
+        self.Frequency = None
+
+    def run(self) -> None:
+        self.open_op25()
+
+    def set_op25_parameters(self, _frequency):
+        self.Frequency = _frequency
+
+    def open_op25(self):
+        if self.OP25Proc is not None:
+            self.close_op25()
+
+        print(f"Starting OBS")
+        os.chdir(self.OP25Dir)
+
+        self.OP25Proc = subprocess.Popen([f"./rx.py", "--args", "'rtl'", "-N", "'LNA:49'", "-s", "200000", "-o",
+                                         "25600", "-U", "-f", f"{self.Frequency}e6", "-X", "-2"])
+
+    def close_op25(self):
+        print(f"Closing OP25")
+        try:
+            self.OP25Proc.kill()
+        except Exception as e:
+            print(e)