Compile error when calling functions from external libraries

Projects Programming
1

Hello everyone, I am using Arduino Due and including some external c libraries in the arduino sketch that i created. I selected the library from the sketch menu->include library and it compiles just fine.
Now, from my C code i tried calling a function 'test_initialize' which is defined in that library but i get an error "undefined reference to `test_initialize()' " which probably means that the header file and source code for the function are found, but not the object file required to link and create the final executable. I am not sure what to change here.

Can someone please help to address this.

Thanks.
Sam.

2

Maybe you have a stray "`" character in there.

3

No that would have given a compile error but as i mentioned if i don't call any function the code compiles fine.

Also, the function is declared as a extern in the .h file

extern void test_initialize(void);