Ev3Wrap::CompassSensor

public methods

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static CompassSensor bind(ev3dev::address_type addr = ev3dev::INPUT_AUTO)

Constructor

Description: static constructor to bind to an input address. returns the binded CompassSensor object. Will automatically detect which port the CompassSensor is connected if no parameter given.

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int getAbsoluteDirection()

getter method

Description: gets the current direction from 0 - 379 degrees. Note: int getRelativeDirection() is recommended

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CompassSensor& setZero(int key = 0)

setter method

Description: sets the key’s relative direction 0 to the current direction.

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int getRelativeDirection(int key = 0)

getter method

Description: gets the current direction from -180 - 180 degrees, relative to the key’s setZero direction.

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int getDegreeOffset(int key = 0)

getter method

Description: gets the degree offset (offset is measured from getAbsoluteDirection()) for the key.

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static int compareAngles(float sourceAngle, float otherAngle, float tolerance = 10)

math tool

Description: if sourceAngle is on the left of otherAngle, return 1. If sourceAngle and otherAngle are close to each other (in the range of tolerance * 2), return 0. If sourceangle is on the right of otherAngle, return -1

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void beginCalibrate & void endCalibrate

Description: refer to the tutorials linked below (tutorials todo)

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