To simplify the configuration of the finite state machine and machine learning core (FSM and MLC) logic of STMicroelectronics’ inertial measurement units (IMU), including the recently announced LSM6DSO and LSM6DSOX six-axis modules, STMicroelectronics has introduced the Unico GUI (STSW-MKI109L for Linux, STSW-MKI109M  for Mac OSX, and STSW-MKI109W for Windows machines.
FSM logic lets users run gesture and motion-recognition algorithms directly in the sensor for always-on convenience and low power consumption. The MLC implements machine-learning classifiers for real-time always-on motion and vibration pattern recognition.
Using Unico GUI to configure the module’s internal registers and embedded FSM and MLC logic, users can quickly and easily create their own motion-recognition algorithms, explains ST. The GUI also eases combining the module’s accelerometer and gyroscope data with inputs from additional external sensors, such as a magnetometer, for sophisticated context-sensing capabilities.
FSM and MLC in smartphones, wearables, or industrial devices operate as an embedded, low-power engine for gesture and motion recognition and allow user-interface functions and context-aware apps to continue running while the main processor sleeps to maximise battery runtime.
The LSM6DSO six-axis module contains logic for up to 16 independent state machines, each generating a hardware interrupt activated by a specific motion pattern, while the LSM6DSOX contains also the logic to implement multiple-stage decision trees for machine-learning classification.
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