Thanks for the heads up, @Dave!
I was hoping to get Spark core to obtain connected device’s MAC address on the private network to match up a predefined list, so it can tell who is present in the house (on the network).
I have spent some time reading up on CC3000 netapp (which is not much), but find it a bit complex to simply enquire whether a local IP address exists. In order to get a report from the ping, I will have to use a callback function and the process is asynchronous. Any chance you can provide a short sample code based on the function?