Document overview

AN4503

4/26

DocID026411 Rev 2

1

Document overview

This document explains how to integrate the STMicroelectronics environmental sensor in

Linux/Android systems.

It provides detailed information and procedures on how to manage this task.

The ST code mentioned in the document can be available through your local sales

representative.

The configuration files of the sensor HAL (hardware abstraction layer) are also discussed

along with the issues and possible solutions for successfully integrating different kinds of

sensors.

Finally, the building and installation of this library is also described.

1.1

Android sensor HAL overview

The Android sensor HAL is the library which provides the links from kernel-space drivers to

the Android sensor service and Android sensor manager.

The architecture of the Android sensor framework is shown in the next figure