Controller health check.

[trankin]

I'm looking for a way to periodically confirm that the controller is still connected and communicating over the serial port. E.g. every 10 minute or so I just want to confirm that the controller is alive and kicking. Any insight regarding the best way to achieve this.

I've tried several approaches polling information, but it seems that much of that is cached and delivered from the cache rather than actually requesting information from the controller.

[robertsLando]

@ekarak