chat: support get and set parameters

MAVProxy/modules/mavproxy_chat/chat_openai.py

@@ -238,6 +238,36 @@ def handle_function_call(self, run):
                     output = "get_mavlink_message: failed to retrieve message"
                     print("chat: get_mavlink_message: failed to retrieve message")
 
+            # get all parameters from vehicle
+            if tool_call.function.name == "get_all_parameters":
+                recognised_function = True
+                try:
+                    arguments = json.loads(tool_call.function.arguments)
+                    output = self.get_all_parameters(arguments)
+                except:
+                    output = "get_all_parameters: failed to retrieve parameters"
+                    print("chat: get_all_parameters: failed to retrieve parameters")
+
+            # get a vehicle parameter's value
+            if tool_call.function.name == "get_parameter":
+                recognised_function = True
+                try:
+                    arguments = json.loads(tool_call.function.arguments)
+                    output = self.get_parameter(arguments)
+                except:
+                    output = "get_parameter: failed to retrieve parameter value"
+                    print("chat: get_all_parameters: failed to retrieve parameter value")
+
+            # set a vehicle parameter's value
+            if tool_call.function.name == "set_parameter":
+                recognised_function = True
+                #try:
+                arguments = json.loads(tool_call.function.arguments)
+                output = self.set_parameter(arguments)
+                #except:
+                #    output = "set_parameter: failed to set parameter value"
+                #    print("chat: set_parameter: failed to set parameter value")
+
             # send mavlink message to vehicle
             if tool_call.function.name == "send_mavlink_message":
                 recognised_function = True
@@ -470,6 +500,46 @@ def send_mavlink_message(self, arguments):
         except:
             return "send_mavlink_message: failed to convert message to json"
 
+    # get all available parameters names and their values
+    def get_all_parameters(self, arguments):
+        # check if any parameters are available
+        if self.mav_param is None or len(self.mav_param) == 0:
+            return "get_all_parameters: no parameters are available"
+        # get all parameters
+        param_list = []
+        for param in self.mav_param:
+            param_list.append({param.key, param.value})
+        try:
+            # print all params
+            print(param_list)
+            # convert parameters to json
+            return json.dumps(param_list)
+        except:
+            return "get_all_parameters: failed to convert parameter list to json"
+
+    # get a vehicle parameter's value
+    def get_parameter(self, arguments):
+        param_name = arguments.get("name", None)
+        if param_name is None:
+            print("get_parameter: name not specified")
+            return "get_parameter: name not specified"
+        param_value = self.mpstate.functions.get_mav_param(param_name, None)
+        if param_value is None:
+            print("get_parameter: " + param_name + " parameter not found")
+            return "get_parameter: " + param_name + " parameter not found"
+        return json.dumps({"name": param_name, "value": param_value})
+
+    # set a vehicle parameter's value
+    def set_parameter(self, arguments):
+        param_name = arguments.get("name", None)
+        if param_name is None:
+            return "set_parameter: parameter name not specified"
+        param_value = arguments.get("value", None)
+        if param_value is None:
+            return "set_parameter: value not specified"
+        self.mpstate.functions.param_set(param_name, param_value, retries=3)
+        return "set_parameter: parameter value set"
+
     # wrap latitude to range -90 to 90
     def wrap_latitude(self, latitude_deg):
         if latitude_deg > 90: