added a lot of enums for SMP parameters

backend/tests/extron_smp_testing.py

@@ -13,18 +13,27 @@ pw = "123mzsmp"
 
 
 def print_tn(tn_response):
+    """
+    Prints the given TN response, decoding it if necessary.
+
+    Args:
+        tn_response (bytes or str): The TN response to print.
+
+    Returns:
+        None
+    """
     if isinstance(tn_response, bytes):
         print(tn_response.decode("ascii").rstrip())
     else:
         print(str(tn_response).rstrip())
 
 
-def run_cmd(tn, cmd, timeout=1):
-    tn.write(cmd)
-    out = tn.read_until_non_empty_line()
+def run_cmd(telnet_con, cmd, _timeout=1):
+    telnet_con.write(cmd)
+    out = telnet_con.read_until_non_empty_line()
     res = out
     while out is not None and out != "":
-        out = tn.read_until_non_empty_line()
+        out = telnet_con.read_until_non_empty_line()
         print(out)
         res += out
     return res