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 set up 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 to with more than one response. Multiple read requests may be pooled into one single response.
Send an asynchronize read request to the device.