reading size of data in buffer

[jshatzma]

Is it possible to read how much data is in the input buffer when using VISA to control an RS232/RS422 serial port?

I'm trying to write a small loopback program that can transmit and receive data when a boolean button is pressed.  Is there a better way to do this then using the byte-count returned by the VISA Write function or by reading how much data is in the buffer?

[Wayne.C]

Search for a function named VISA bytes at serial port

[jshatzma]

Thank you very much for the timely reply!  I found the function and it works quite well!