When there is a #include library function-related header file (DRFL.h), when the compile option is set in C++ language, programming is possible using CDRFLEx class, but when set in C language, a “_function name” type global function should be used for programming.
Some functions may have different interface usage depending on the controller version. Before importing the DRFL header, please declare #define DRCF_VERSION 2 or #define DRCF_VERSION 3 according to the controller version.