Can emlid provide a URL to their github repository pointing to the MPU-9250 driver?
And the drivers documentation?
I am interested in the Low Power Quaternion (3, 6, 9 axis) data for streaming and logging.
Low Power Quaternion (3, 6, 9 axis) is mentioned in RMMPU-9250 Register Map.pdf:
6 Advanced Hardware Features
The MPU-9250 includes advanced hardware features that support Android that can be enabled and disabled through simple hardware register settings. The advanced hardware features are not initially enabled after device power up, and must be individually enabled and configured. The following motion-based functions are supported and do not require an external hub or microprocessor:
…
Low Power Quaternion (3, 6, 9 axis)
…
Some documents available on
http://www.invensense.com/products/motion-tracking/9-axis/mpu-9250/
InvenSense Motion Sensor Universal EV User Guide
RMMPU-9250 Register Map
DSMPU-9250 Datasheet
ANInvenSense Motion Sensor Universal Evaluation Board User Guide
MPU-9250 Contextual Awareness SDK
EVBMPU-9250-CA-SDK-Reference-Board-User-Guide1