Sunil,
Your file VFO_BFO_DDS.ino? uses the Si5351 library from etherkit.
Here are the many different releases of the etherkit Si5351 library:
Since your file si5351calibration.ino says "Copyright 2015", and in the current V2.1.4 release
it says "Copyright 2015 - 2018" in that same file,?it seems a rather old version was used.
Can you tell us which version of the Si5351 library was used to build your firmware?
Alternately, could you make the?si5351.cpp and si5351.h files from your build computer available?
Jerry, KE7ER
