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I have problems with the communication between the Signal Processing
and the User Application modules.

I have designed an application module based on ApplicationBase Class.
During preflight process, in my application module input signal the
number of channels is 0 so I do not be able to establish a
communication.

Thanks a lot.

Gesanan

Gesanan,

There are two possible ways to solve your problem:

1) Fix your code
2) Take an existing application module and replace its functionality with your functionality

1) is possible, but may need a number of iterations and could take a long time
2) seems much more pragmatic. I would simply take a simple demo, e.g., the FeedbackDemo, and simply change its constructor, destructor, Preflight(), Initialize(), and Process() functions to do what you need the app to do.

Gerv