Mcp4261 library compile error

Projects Programming
1

I just installed the Mcp4261 (digital pot) Library form the playground. It throws the following error when I try to compile the program. Is there a way to fix this or is there a better Mcp4261 library somewhere? I'm using Arduino Nano V3 and Arduino 1.6.7.

In file included from C:\Users\Mike\Desktop\Pot\Pot.ino:12:0:

C:\Users\Mike\Documents\Arduino\libraries\Mcp4261/Mcp4261.h:47:49: error: 'constexpr' needed for in-class initialization of static data member 'const float MCP4261::rW_ohms_typical' of non-integral type [-fpermissive]

     const static float        rW_ohms_typical = 117.50;

                                                 ^

exit status 1
Error compiling.
2

Change that line to:

constexpr static float rW_ohms_typical = 117.50;

Of course, if you later update the library you will have to do that again unless the library maintainer solve the issue. You could probably add some compiler flag to get rid of that, but I think it´s better to change the code.

3

That fixed it. There were a couple other issues like using Spi where it needed SPI, but those are fixed as well now.

Thank you for the help.