driver number: 0x70005

L3GD20

Overview

Three axis gyroscope and temperature sensor.

Manual

Command

  • Command number: 0

    Description: Returns SUCCESS

    Argument 1: unused

    Argument 2: unused

    Returns: 0

  • Command number: 1

    Description: Verifies whether the hardware sensor is present.

    Argument 1: unused

    Argument 2: unused

    Returns: SUCCESS if there is no other command in progress, EBUSY otherwise.

  • Command number: 2

    Description: Powers on the sensor.

    Argument 1: unused

    Argument 2: unused

    Returns: SUCCESS if there is no other command in progress, EBUSY otherwise.

  • Command number: 3

    Description: Sets the sensors scale

    Argument 1: 0, 1 or 2 (see manual 34)

    Argument 2: unused

    Returns: SUCCESS if there is no other command in progress, EBUSY otherwise.

  • Command number: 4

    Description: Enables or disables the high pass filter

    Argument 1: 1 for enable, 0 for disable

    Argument 2: unused

    Returns: SUCCESS if there is no other command in progress, EBUSY otherwise.

  • Command number: 5

    Description: Sets the high pass filter mode and divider

    Argument 1: mode (0, 1 or 2, see manual page 33)

    Argument 2: divider (0 .. 9, see manual page 33)

    Returns: SUCCESS if there is no other command in progress, EBUSY otherwise.

  • Command number: 6

    Description: Reads X, Y and Z

    Argument 1: unused

    Argument 2: unused

    Returns: SUCCESS if there is no other command in progress, EBUSY otherwise.

  • Command number: 7

    Description: Reads the temperature

    Argument 1: unused

    Argument 2: unused

    Returns: SUCCESS if there is no other command in progress, EBUSY otherwise.

Subscribe

All the commands return a callback when done.

  • Subscribe number 0

    Description: Called when commands are done

    Argument 1:

    • Command 1: 1 present, 0 not present
    • Command 6: X rotation
    • Command 7: temperature in deg C

    Argument 2:

    • Command 6: Y rotation

    Argument 3:

    • Command 6: Z rotation

Allow

Unused for the L3GD20 driver. Will always return ENOSUPPORT.