Δείκτης LED#

Εισαγωγή #

The led class allows the EXP Brain to turn a connected light-emitting diode (LED) on or off using a 3-Wire Port.

Η πράσινη ενδεικτική λυχνία LED VEX EXP.

Κατασκευαστής κλάσης #

led(
  triport::port &port );

Καταστροφέας κλάσης #

Destroys the led object and releases associated resources.

virtual ~led();

Παράμετροι #

Παράμετρος	Τύπος	Περιγραφή
`port`	`triport::port &`	The 3-Wire Port that the LED Indicator is connected to, written as `Brain.ThreeWirePort.X` or `ExpanderName.X`, where `X` is the port letter (for example, `Brain.ThreeWirePort.A` or `Expander1.A`).

Παραδείγματα #

// Create an led instance in Port A
led LEDA = led(Brain.ThreeWirePort.A);

Συναρτήσεις Μελών #

The led class includes the following member functions:

on — Turns the specified LED Indicator on.
off — Turns the specified LED Indicator off.

Before calling any led member functions, a led instance must be created, as shown below:

/* This constructor is required when using VS Code.
LED Indicator configuration is generated automatically
in VEXcode using the Device Menu. Replace the values
as needed. */

// Create an led instance in Port A
led LEDA = led(Brain.ThreeWirePort.A);

on #

Ενεργοποιεί την καθορισμένη ενδεικτική λυχνία LED.

Available Functions

void on();

Parameters

Αυτή η συνάρτηση δεν δέχεται καμία παράμετρο.

Return Values

Αυτή η συνάρτηση δεν επιστρέφει τιμή.

Examples

// Turn on the LED
LEDA.on();

// Wait 2 seconds
wait(2, seconds);

// Turn off LED
LEDA.off();

off #

Απενεργοποιεί την καθορισμένη ενδεικτική λυχνία LED.