showLEDs - Show location, name, and color of user-controllable LEDs - MATLAB (original) (raw)

Main Content

Show location, name, and color of user-controllable LEDs

Syntax

Description

showLEDs([mypi](#bt548g5-1%5Fsep%5Fshared-mypi)) displays the location, name, and color of the user-controllable LEDs on the current board.

example

Examples

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You can locate and control the on-board LED, turning it on and off.

Create a connection from the MATLAB® software to the Raspberry Pi® board.

mypi =

Raspi with Properties:

       DeviceAddress: 'raspberrypi-hysdu8X38o'
                Port: 18725
           BoardName: 'Raspberry Pi Model B Rev 2'
       AvailableLEDs: {**'led0'**}
AvailableDigitalPins: [4 14 15 17 18 22 23 24 25 27 30 31]
AvailableSPIChannels: {}
  AvailableI2CBuses: {'i2c-0'  'i2c-1'}
         I2CBusSpeed: 100000

Supported peripherals

The AvailableLEDs property shows the name of the user-controllable LED.

Show the location of the user-controllable LED on the board.

Turn on the specified LED by setting its value to 1 or true.

Turn off the LED by setting its value to 0 or false.

writeLED(mypi,'led0',false)

Restarting the Raspberry Pi hardware returns the LED to its previous function as an activity indicator.

Input Arguments

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Connection to the Raspberry Pi hardware board, specified as a raspi object.