mavproxy_cmdlong: make command_int take all arguments for a command_int

Like command_long you should be able to form up any message -
well-formed or not

Also make it easier to select a frame

MAVProxy/modules/mavproxy_cmdlong.py

@@ -345,34 +345,53 @@ def cmd_long(self, args):
 
     def cmd_command_int(self, args):
         '''execute supplied command_int'''
-        if len(args) != 9:
+        if len(args) != 11:
             print("num args{0}".format(len(args)))
-            print("Usage: command_int <command> frame param1 param2 param3 param4 x y z")
+            print("Usage: command_int frame command current autocontinue param1 param2 param3 param4 x y z")
+            print("e.g. command_int GLOBAL_RELATIVE_ALT DO_SET_HOME 0 0 0 0 0 0 -353632120 1491659330 0")
+            print("e.g. command_int GLOBAL MAV_CMD_DO_SET_ROI 0 0 0 0 0 0 5000000 5000000 500")
             return
-        command = None
+
         if args[0].isdigit():
-            command = int(args[0])
+            frame = int(args[0])
         else:
             try:
-                command = eval("mavutil.mavlink." + args[0])
+                # attempt to allow MAV_FRAME_GLOBAL for frame
+                frame = eval("mavutil.mavlink." + args[0])
             except AttributeError as e:
                 try:
-                    command = eval("mavutil.mavlink.MAV_CMD_" + args[0])
+                    # attempt to allow GLOBAL for frame
+                    frame = eval("mavutil.mavlink.MAV_FRAME_" + args[0])
                 except AttributeError as e:
                     pass
 
-        if command is None:
-            print("Unknown command_int ({0})".format(args[0]))
+        if frame is None:
+            print("Unknown frame ({0})".format(args[0]))
             return
 
-        frame = int(args[1])
-        param1 = float(args[2])
-        param2 = float(args[3])
-        param3 = float(args[4])
-        param4 = float(args[5])
-        x = int(args[6])
-        y = int(args[7])
-        z = float(args[8])
+        command = None
+        if args[1].isdigit():
+            command = int(args[1])
+        else:
+            # let "command_int ... MAV_CMD_DO_SET_HOME ..." work
+            try:
+                command = eval("mavutil.mavlink." + args[1])
+            except AttributeError as e:
+                try:
+                    # let "command_int ... DO_SET_HOME" work
+                    command = eval("mavutil.mavlink.MAV_CMD_" + args[1])
+                except AttributeError as e:
+                    pass
+
+        current = int(args[2])
+        autocontinue = int(args[3])
+        param1 = float(args[4])
+        param2 = float(args[5])
+        param3 = float(args[6])
+        param4 = float(args[7])
+        x = int(args[8])
+        y = int(args[9])
+        z = float(args[10])
         self.master.mav.command_int_send(self.settings.target_system,
                                          self.settings.target_component,
                                          frame,