I have modified SerialCallResponse to use Serial1 for every place SerialUSB.
I compile and download to the board. ( can't change that part)
When I close the IDE window, it says to save the changed file.
OK, but it says that it can not be saved to the current directory ( its read only ) ??
OK, select new directory.
I checked the original directory and its not read only.
What gives ??
