Arduino library to support the LIS3MDL high-performance 3D magnetometer
This sensor uses I2C or SPI to communicate. For I2C it is then required to create a TwoWire interface before accessing to the sensors:
TwoWire dev_i2c(I2C_SDA, I2C_SCL);
dev_i2c.begin();
For SPI it is then required to create a SPI interface before accessing to the sensors:
SPIClass dev_spi(SPI_MOSI, SPI_MISO, SPI_SCK);
dev_spi.begin();
An instance can be created and enabled when the I2C bus is used following the procedure below:
LIS3MDLSensor Magneto(&dev_i2c);
Magneto.begin();
Magneto.Enable();
An instance can be created and enabled when the SPI bus is used following the procedure below:
LIS3MDLSensor Magneto(&dev_spi, CS_PIN);
Magneto.begin();
Magneto.Enable();
The access to the sensor values is done as explained below:
Read magnetometer.
int32_t magnetometer[3];
Magneto.GetAxes(magnetometer);
You can find the source files at
https://github.com/stm32duino/LIS3MDL
The LIS3MDL datasheet is available at
http://www.st.com/content/st_com/en/products/mems-and-sensors/e-compasses/lis3mdl.html
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