Hi K_SS,
1. Our official BNO055 software was witten by C language https://github.com/BoschSensortec/BNO055_driver. We have not released BNO055 C++code at present. BNO055 C++ code was designed by Arduino forum. Maybe you can find the C++ reference code in the Arduino forum.
2. By the way, BNO055 is not recommended for use in new designs if you would like to use BNO055 in new project.
... View more