showLEDs
Show location, name, and color of user-controllable LEDs
Syntax
Description
Examples
Control the On-Board LED
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
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.
showLEDs(mypi)
Turn on the specified LED by setting its value to 1
or true
.
writeLED(mypi,'led0',1)
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
mypi
— Connection to specific Raspberry Pi hardware board
raspi object
Connection to a specific Raspberry Pi hardware board, specified
as a raspi
object.
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