Total number of values read from instrument
ValuesReceived indicates the total number
of values read from the instrument. The value is updated after each
successful read operation, and is set to
fopen function is issued.
If the terminator is read from the instrument, then this value is
If you are reading data asynchronously, use the
to return the number of bytes currently available in the input buffer.
When performing a read operation, the received data is represented
by values rather than bytes. A value consists of one or more bytes.
For example, one
uint32 value consists of four
bytes. Refer to Output Buffer and Data Flow for more information about
bytes and values.
Any instrument object
The default value is
Suppose you create a serial port object on a Windows® machine associated with the serial port COM1.
s = serial('COM1'); fopen(s)
If you write the
RS232? command, and then read back the response using
17 because the
instrument is configured to send the
fprintf(s,'RS232?') out = fscanf(s) out = 9600;0;0;NONE;LF s.ValuesReceived ans = 17