Rework VISA communications
Rework of communication with VISA-devices:
-
comm.visa
anddev.visa
-
Adaption to fulfil AsyncCommunicationProtocol
andSyncCommunicationProtocol
-
query
when no answer
Edited by Chi-Ching Hsu
Rework of communication with VISA-devices:
comm.visa
and dev.visa
AsyncCommunicationProtocol
and SyncCommunicationProtocol
query
when no answer