10.1 Debugging the Code
No matter what, you will always need to debug your code. Debugging DSP code in general is not very straightforward. Parts of your application code are event-driven – code is executed when an event happens (e.g. when a user clicks on a widget) – and some parts are called at sampling rate. The former can be debugged easily; they allow you to stop the execution at any time to inspect variable values, check the call stack, or follow the execution flow. However, with the signal processing routines, you can’t always do that, as these run too fast for inspection, and sometimes getting in the way (stopping the execution) may alter the execution flow, resulting in unwanted behaviors or making bugs ...
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