Christian,
Both CAN low-level and through
signal-composer bindings provide a subscription model that is
natively compatible with JS websocket. Nevertheless I would
advice you to run behind the signal composer in order to limit
the amount of events. In order to control a screen creating a
dedicated virtual signal within the signal-composer is probably
the right approach.
Fulup
On 07/06/2021 21:28, Christian
Guimaraes wrote:
Hello Marcel,
> ... would all apps detect a CAN Bus signal they are subscribed to, even if the app is currently not selected?
From what I understand, in the CAN Bus technology there is no subscribers to messages (signals) on the bus.All nodes (apps) in a CAN network will transmit messages in a broadcast manner, meaning that every other node will receive the message that is present on the bus. Saying that, the nodes should check if the message is relevant to them. And continue with the message processing or discard it.
Cheers.
--
Chris Guimaraes
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