Component: Magnetometer (BMM150) (Environmental): Difference between revisions
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Revision as of 14:35, 13 July 2026
| Author | MatrixTSL |
| Version | 1.0 |
| Category | Environmental |
Magnetometer (BMM150) component
A low-power, low-noise 3-axis digital geomagnetic sensor that perfectly matches the requirements of compass applications.
Component Source Code
Please click here to download the component source project: FC_Comp_Source_Magnetometer_BMM150.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_Magnetometer_BMM150.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
Initialise
|
Initialise |
| Startup communications to the sensor module. Puts the device into normal operating and preset modes. Returns 1 if module found and communicating. | |
 - BYTE
|
Return |
ReadRegister
|
|
ReadRegister |
| A simple example showing a generic way to read a register using I2C. | |
| - BYTE
|
Address |
| - BYTE
|
Return |
ReadSample
|
|
ReadSample |
| Collect a sample fromt he last SampleMag operation | |
| - BYTE
|
Axis |
| 0=X, 1=Y, 2=Z | |
 - INT
|
Return |
SampleMagData
|
|
SampleMagData |
| Samples the magnetometer and processes the data ready to be read out using the read sample macro. | |
 - BOOL
|
ApplyTrim |
| 0=ReadRawValues, 1=ApplyCalibrationTrim | |
 - VOID
|
Return |
SetOperatingMode
|
|
SetOperatingMode |
| Select the operating mode and power level used by the device | |
| - BYTE
|
Mode |
| 0=Normal, 1=Forced, 3=Sleep, 4=Suspend | |
| - VOID
|
Return |
SetPresetMode
|
|
SetPresetMode |
| Controls the device sample rate and accuracy | |
| - BYTE
|
Mode |
| 0=LowPower, 1=Normal, 2=HighAccuracy, 3=Enhanced | |
| - VOID
|
Return |
WriteRegister
|
|
WriteRegister |
| A simple example showing a generic way to write a register using I2C. | |
| - BYTE
|
Address |
| - BYTE
|
Data |
| - VOID
|
Return |
Property reference
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Properties |
|
Component Properties |
|
Device Address |
|
|
Preset |
| Sets the default preset for the module. Can be overridden by calling the SetPresetMode component macro. | |
|
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I2C Properties |
|
|
Connections |
|
|
Channel |
| Channel selection | |
|
SDA |
| Pin used for SDA (data signal) | |
|
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SDA Remap Pin |
|
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SCL |
| Pin used for SCL (clock signal) | |
|
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SCL Remap Pin |
|
|
Options |
|
Stop Delay |
| On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | |
|
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Baud Select |
| Baud rate option selector | |
|
Baud Rate |
| Baud rate to be used | |
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Simulation |
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Simulate Comms |