STMicroelectronics LSM303AGR Element

The LSM303AGR element is used to measure acceleration, magnetic forces, and temperature. This element is for using the STMicroelectronics LSM303AGR three-axis linear accelerometer and digital magnetic sensor.

The LSM303AGR is a sensor element that can be imported into the Element Toolbox through the Add Element Add Element button located in the toolbox from the Embedded tab. SensorTile projects have this element imported by default.

Properties

The following properties can be changed for the LSM303AGR element:

Name

The name of the element.

Communication Mode

The mode the sensor uses to transmit data: SPI or I2C.

I2C Driver Instance

The I2C bus used to communicate with the sensor.

SPI Driver Instance

The SPI bus used to communicate with the sensor.

GPIO Driver Instance

The GPIO driver instance number to use.

Magnetometer Chip Select Pin

The GPIO pin used for the magnetometer to toggle the chip select pin.

Accelerometer Chip Select Pin

The GPIO pin used for the accelerometer to toggle the chip select pin.

3 Wire SPI Mode

The mode of the sensor’s SPI driver: 3 wire or 4 wire. If 3 wire mode is enabled, the MOSI and MISO wires are combined in half-duplex communication.

Accelerometer I2C Address

The I2C address for the accelerometer the element sends data to.

Magnetometer I2C Address

The I2C address for the magnetometer the element sends data to.

Accel Output Data Rate

The rate of output the accelerometer driver runs at in Hz. This element includes the following data rate options:

  • Power Off
  • 1 Hz
  • 10 Hz (default)
  • 25 Hz
  • 50 Hz
  • 100 Hz
  • 200 Hz
  • 400 Hz
  • 1.620 kHz Low Power
  • 3.33 kHz Low Power
  • 6.66 kHz
  • 1.6 Hz

Mag Output Data Rate

The rate of output the magnetometer driver runs at in Hz. This element includes the following data rate options:

  • 10 Hz (default)
  • 20 Hz
  • 50 Hz
  • 100 Hz

Accelerometer Full Scale

The accelerometer’s sensitivity to linear acceleration in gs. This element includes the following full scale options:

  • 2 g (default)
  • 4 g
  • 8 g
  • 16 g

Magnetometer Reset Mode

The mode that initiates the magnetometer to reset. This element includes the following reset modes:

  • Released Every 63 ODR
  • Offset Cancellation Enabled
  • Released Only At Power On

Magnetometer Temperature Compensation

The state of the magnetometer’s temperature compensation setting: disabled or enabled.

Accelerometer Operating Mode

The power mode the accelerometer runs at. This element includes the following operating modes:

  • High Resolution (12 bit)
  • Normal (10 bit)
  • Low Power (8 bit)

Magnetometer Operating Mode

The power mode the magnetometer runs at. This element includes the following operating modes:

  • Continuous Mode
  • Single Trigger
  • Power Down

Triggers

The following triggers are available to execute events from within the LSM303AGR element:

Triggered

Execute an event when the source element connected to the LSM303AGR triggers.

X Acceleration Read

Execute an event when the accelerometer’s x-axis value is read.

Y Acceleration Read

Execute an event when the accelerometer’s y-axis value is read.

Z Acceleration Read

Execute an event when the accelerometer’s z-axis value is read.

Acceleration Read

Execute an event when the accelerometer’s data is read.

X Magnetic Field Read

Execute an event when the magnetometer’s x-axis value is read.

Y Magnetic Field Read

Execute an event when the magnetometer’s y-axis value is read.

Z Magnetic Field Read

Execute an event when the magnetometer’s z-axis value is read.

Magnetic Field Read

Execute an event when the magnetometer’s data is read.

Temperature Read

Execute an event when temperature data is read.

Abilities

The following abilities are available for the LSM303AGR element when its source element triggers:

Trigger

Trigger the element(s) that follow the LSM303AGR element.

Read X Acceleration

Read the accelerometer’s x-axis data in mGs.

Read Y Acceleration

Read the accelerometer’s y-axis data.

Read Z Acceleration

Read the accelerometer’s z-axis data.

Read Acceleration

Read the accelerometer’s x-, y-, and z-axis data.

Read X Magnetic Field

Read the magnetometer’s x-axis data in mGa.

Read Y Magnetic Field

Read the magnetometer’s y-axis data.

Read Z Magnetic Field

Read the magnetometer’s z-axis data.

Read Magnetic Field

Read the magnetometer’s x-, y-, and z-axis data.

Read Temperature (°C)

Read the temperature data (in Celsius).