This commit removes the usage of all legacy FreeRTOS data types that are exposed via configENABLE_BACKWARD_COMPATIBILITY. Legacy types can still be used by enabling CONFIG_FREERTOS_ENABLE_BACKWARD_COMPATIBILITY.
* spi cxx unit test (CATCH-based, on host) * added portmacro.h to driver mocking * added simple testing app to write/read SPI, using an MPU9250