Trouble with MessageParamExtRequestList

[xinnad]

I'm trying to get the full parameter list over mavlink with

node.WriteMessageAll(&common.MessageParamExtRequestList{
		TargetSystem: d.Sysid,
		TargetComponent: d.CompId,
	})

I think I should receive the list of params as a response but I don't see anything with:

node, err := gomavlib.NewNode(gomavlib.NodeConf{
		Endpoints: []gomavlib.EndpointConf{
			gomavlib.EndpointUDPServer{Address: url},
		},
		Dialect:     common.Dialect,
		OutVersion:  gomavlib.V1, // change to V1 if you're unable to communicate with the target
		OutSystemID: 254,
	})
	if err != nil {
		panic(err)
	}

	defer node.Close()

	for evt := range node.Events() {
		if frm, ok := evt.(*gomavlib.EventFrame); ok {
			switch msg := frm.Message().(type) {
			
			case *common.MessageParamExtValue:
				fmt.Printf("  Param Val: %v\n", msg)

I can see responses from MAV_CMD items with *common.MessageCommandAck but not from the param list.

I didn't see any examples that included parameter requests with responses and was curious if anyone had something.

Thanks for your help!

[aler9]

Hello, if you can see responses from MAV_CMD it means that communication is working properly.

If you can't see responses from MessageParamExtRequestList, it means that your drone doesn't support the extened parameter protocol.

[xinnad]

Thank you!

[xinnad]

Confirmed I was using the wrong command. MessageParamRequestList returned all params as MessageParamValue like I'd expect.

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