No objections :-)
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________________________________
From: Łukasz Dywicki <[email protected]>
Sent: Tuesday, October 11, 2022 10:37:41 AM
To: [email protected] <[email protected]>
Subject: Re: Profinet Driver - Multiple Devices
Hey Ben,
I think it is a fair finding and proper pattern for all connections
which end up with multiple participants on single connection.
Looking forward to see further evolution of that API cause it could form
a pattern which can be later utilized in BACnet and CANopen drivers as
well as Modbus over serial.
Cheers,
Łukasz
On 11.10.2022 16:15, Ben Hutcheson wrote:
> Hi,
>
> Just looking for some comments and feedback on the approach we're going
> with the Profinet Driver.
>
> As Profinet is a fieldbus, communicating to multiple devices at once is
> fairly standard, however it makes it difficult with the current connection
> string format to define multiple devices.
>
> Using the local ip address of the driver in the target and moving the
> device configuration to the parameters section would allow this though.
> e.g. profinet:raw://{local ip address}?devices=[00:00:01:02:03:04,
> 00:00:01:02:03:05]&submodules=[[submodule1, submodule2],[submodule1,
> submodule2]]
>
> I've then encapsulated the connection to each device within a
> ProfinetDevice class which handles opening and closing separate UDP
> connections and receives messages from the common UDP port via a handle.
> Setting up the connection to multiple devices then ends up being simple.
>
> for (Map.Entry<String, ProfinetDevice> device :
> configuration.configuredDevices.entrySet()) {
> device.getValue().onConnect();
> }
>
>
> Ben
>
