User`s manual

8 Serial Port I/O
8-72
Read Properties
BytesAvailable
Indicate the number of bytes available in the input
buffer
InputBufferSize Specify the size of the input buffer in bytes
ReadAsyncMode
Specify whether an asynchronous read operation is
continuous or manual
Timeout
Specify the waiting time to complete a read or write
operation
TransferStatus
Indicate if an asynchronous read or write operation is
in progress
ValuesReceived Indicate the total number of values read from the
device
Callback Properties
BreakInterrupt
Fcn
Specify the M-file callback function to execute when a
break-interrupt event occurs
BytesAvailable
Fcn
Specify the M-file callback function to execute when a
specified number of bytes is available in the input
buffer, or a terminator is read
BytesAvailable
FcnCount
Specify the number of bytes that must be available in
the input buffer to generate a bytes-available event
BytesAvailable
FcnMode
Specify if the bytes-available event is generated after
a specified number of bytes is available in the input
buffer, or after a terminator is read
ErrorFcn Specify the M-file callback function to execute when
an error event occurs