Drop the attached into SDK_2.0_FRDM-KL25Z/boards/frdmkl25z_virtual_shield/issdk_examples/algorithms/sensorfusion/baremetal_sensor_fusion.
Apologies for both the delay in posting and the fact that even though I thought I was linking to files elsewhere in the system, I ended up getting local copies built into this project. Some of you may like that. I don't particularly. But as I've noted elsewhere, KDS and I have our differences...