Overview

Driver for STMicroelectronics LIS331DLH 3-axis accelerometer in SPI or I2C mode.

Resources

All correct at time of writing, but as always, manufacturers love to move things around on their website.

Web page

http://www.st.com/internet/analog/product/218132.jsp

Datasheet

http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00213470.pdf

Test hardware

This code has been tested using a SparkFun LSM303DLH breakout:

http://www.sparkfun.com/products/10703

This was wired to a CoreProto and plugged into a SenseCore:

http://soldercore.com/products/sensecore/

And finally installed on a SolderCore:

http://soldercore.com/products/soldercore/

Specification

Parameter	Supported settings
Bandwidth (Hz)	50, 100, 400, 1000
Range (g)	±2, ±4, ±8
Communication	up to 400 kHz (I2C) and 10 MHz (SPI)

API Summary

Macros
LIS331DLH_I2C_ADDR	LIS331DLH 8-bit I2C address selected with SA0 signal
LIS331DLH Accelerometer
lis331dlh_initialize_i2c	Initialize sensor on I2C bus
lis331dlh_initialize_spi	Initialize sensor on SPI bus