Fermion:BMM150 3-Axis Digital Geomagnetic Sensor

1. Example Code for M0-get configuration status

Get the configuration status of the BMM150 sensor.

2. Example Code for M0-get geomagnetic data and compass angle

Get the geomagnetic data of the 3 axes and the compass angle.

3. Example Code for M0-prepare interrupt function

Prepare the data ready interrupt function for the BMM150 sensor.

4. Example Code for M0-threshold interrupt function

Set up the threshold interrupt function for the BMM150 sensor.

5. Example Code for Raspberry Pi-get configuration status

Get the configuration status of the BMM150 sensor on Raspberry Pi.

6. Example Code for Raspberry Pi-get geomagnetic data and compass angle

Get the geomagnetic data of the 3 axes and the compass angle on Raspberry Pi.

7. Example Code for Raspberry Pi-prepare interrupt function

Prepare the data ready interrupt function for the BMM150 sensor on Raspberry Pi.

8. Example Code for Raspberry Pi-threshold interrupt function

Set up the threshold interrupt function for the BMM150 sensor on Raspberry Pi.

Reference

Parameter	Value
Power Supply	3.3V
Temperature Range	-40~85°C
Digital Interface	I2C/SPI
Programmable Interrupt	-
Resolution	0.3uT
Zero-B Offset	±40uT/±2uT(Software optimized)
Non-linearity	<1%FS
Magnetic Range	±1300μT (x,y-axis)，±2047μT (z-axis)
Average Current Consumption	170 μA (low power preset); 500 μA (normal mode)
Low Noise	0.3-1.4uT
Magnetometer Heading Accuracy	30μT horizontal geomagnetic field component, ±2.5°
Start-up Time	3ms

No.	Silkscreen	Function
1	VCC	3.3V Power Input
2	SCK	Clock line
3	SDI	SPI/I2C data line(input)
4	SDO	SPI/I2C data line(output)
5	CS	SPI chip-select, I2C Ground
6	PS	Select communication protocol
7	DRDY	Data Receiving/Transmitting ready status
8	INT	Interrupt Pin