Software Phase Locked Loop example code needed

Question

Does anyone know of anywhere I can find actual code examples of Software Phase Locked Loops (SPLLs) ?

I need an SPLL that can track a PSK modulated signal that is somew

Answer 1

Have Matlab with Simulink? There are PLL demo files available at Matlab Central here. Matlab's code generation capabilities might get you from there to a PLL written in C.