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readButton

Read whether button on EV3 brick is being pressed

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Syntax

result = readButton(myev3,button)

Description

example

result= readButton(myev3,button)reads whether a specific button on the EV3 is being pressed, and returns the status as a logical value:

  • 0means not pressed.

  • 1means pressed.

Examples

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Read the status of the center button on an EV3 brick.

Create a connection to the EV3 brick calledmyev3.

myev3 = legoev3;

Hold down the center button on the EV3 and read the status of the button.

result = readButton(myev3,'center')
result = 1

Release the center button on the EV3 and read the status of the button.

result = readButton(myev3,'center')
result = 0

Input Arguments

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Connection to EV3 brick, specified as a string that represents the object created usinglegoev3.

Example:myev3

Data Types:char

Position of the button.

Example:'up'

Data Types:char

Output Arguments

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The status of the button, returned as a logical value.0indicates not pressed.1indicates pressed.

See Also

Topics

MATLAB Support Package for LEGO MINDSTORMS EV3 Hardware Documentation

金宝app

Introducing Deep Learning with MATLAB

Introducing Deep Learning with MATLAB

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