Phase difference

[fanman]

Well I think I have it sorted now. Its been tough understanding how the libraries work but this is how to do it.

Use 2 x GenricReal components to extract data from the sample buffers
Use an "if" statement to find when the samples cross the horizontal axis. You will get at which sample ID this happens for both Ch1 & Ch2. Exit the loop when the first cross over is detected.
Subtract the sample ID's to get the difference and divide by number of samples for one period of the signal.
Multiply by 360 and you'll get the phase difference.

There needs to be more info in the wiki online to help developers.