The function shall default to just returning the value of isConnected(). When used for wireless devices calling this method can result in something similar to 'ping' messages being sent to the device and back to check for its liveness. Therefore this method has a timeout parameter.
The function shall default to just returning the value of isConnected(). When used for wireless devices calling this method can result in something similar to 'ping' messages being sent to the device and back to check for its liveness. Therefore this method has a timeout parameter.