noahrosa / lis2mdl

Arduino library to support the LIS2MDL high-performance 3-axis magnetometer

LIS2MDL

Arduino library to support the LIS2MDL high-performance 3-axis magnetometer

API

This sensor uses I2C or SPI to communicate. For I2C it is then required to create a TwoWire interface before accessing to the sensors:

dev_i2c = new TwoWire(I2C_SDA, I2C_SCL);  
dev_i2c->begin();

For SPI it is then required to create a SPI interface before accessing to the sensors:

dev_spi = new SPIClass(SPI_MOSI, SPI_MISO, SPI_SCK);  
dev_spi->begin();

An instance can be created and enbaled when the I2C bus is used following the procedure below:

Magneto = new LIS2MDLSensor(dev_i2c);  
Magneto->Enable();

An instance can be created and enbaled when the SPI bus is used following the procedure below:

Magneto = new LIS2MDLSensor(dev_spi, CS_PIN);  
Magneto->Enable();

The access to the sensor values is done as explained below:

Read magnetometer.

Magneto->GetAxes(&magnetometer);

Documentation

You can find the source files at
https://github.com/stm32duino/LIS2MDL

The LIS2MDL datasheet is available at
https://www.st.com/en/mems-and-sensors/lis2mdl.html