Help! To design a counter for counting clocks

[kthouz]

Dear all,

I want to design a counter that count all clocks of a square wave. I have tried but I am getting stuck somewhere. Here's attached the file that I started. In this project, my objective is to use NI-USB-6008 to send a square wave to an external oscilloscope. That square wave has to be self-controlled such that nth first clocks have  a certain frequency different to the next (n+1, .....,m) clocks. As part of that, I need to use a counter that I designed myself.

Actually, I have the C++ codes for that:

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int count=0;

if(result==1)

{

count++;

}

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This is just the section that I want

[Eric_L]

Hello,

I am a bit confused about your application, are you trying to count (input) clock edges or generate a clock signal with your 6008. If you want to count digital edges with the USB-6008 you can use the counter on the 6008 to count these edges; an example in the example finder exists already and can be found in the location shown below. If you want to generate this varying clock signal, it will be difficult with a USB-6008 since it software timed and updates to the digital line will depend on the updates over the USB bus. If you can clarify your application a bit, I may be able to make some suggestions.

Eric

[bradingez]

Thanks for this thread. This is the answer that I want for my class project of a digital clock.