====== Measuring frequency using VC++ and PCI-2500 or USB-2500 series ======

MCC does provide a clear example using the cbCConfigScan and cbCInScan functions. Attached to this article (see below) is an VC++ 2008 example to measure frequency. This example should work with the following devices:

USB-2523\\ 
USB-2527\\ 
USB-2533\\ 
USB-2537\\ 
PCI-2511\\ 
PCI-2513\\ 
PCI-2515\\ 
PCI-2517\\ 

50 Hz square wave applied to counter 0

{{https://files.digilent.com/reference-images/PeriodMode.png?668x331}}


**Attachments**\\
[[ https://files.digilent.com/reference-attachments/VC2008 PCI-2500 Period Mode.zip | VC2008 PCI-2500 Period Mode.zip]]