An array of LibertasClusterReadReq representing attributes and events for specified clusters.
Optional
eventMin: numberMust present if events are requested.
A reference number passed back in LibertasDeviceRsp of LibertasDeviceCallback callback.
Use Libertas_SetOnDevice to setup the callback function. The callback shall be called later with ReadRsp.
The callback will be triggered asynchroniously with an LibertasClusterReport[] array and the reference number.
IMPORTANT! The read request may be responded with more than one response. Multiple read requests may be pooled into one single response.
Send a asynchronize read request to the device.