led#
Initializing the led Class#
An led object is created by using the following constructor:
The led constructor creates an led object in the specified Three Wire Port:
Parameter |
Description |
|---|---|
|
The 3-Wire Port that the LED is connected to, whether it’s a port on the Brain, or a 3-Wire Expander. |
A Brain or 3-Wire Expander must be created first before they can be used to create an object with the led Class constructor.
// Create the Brain.
brain Brain;
// Construct an LED "LED" with the led class.
led LED = led(Brain.ThreeWirePort.A);
This LED object will be used in all subsequent examples throughout this API documentation when referring to led class methods.
Class Methods#
on()#
The on() method turns the LED on.
Returns: None.
// Turn on the LED.
LED.on();
// Wait 2 seconds.
wait(2, seconds.);
// Turn off LED.
LED.off();
off()#
The off() method turns the LED off.
Returns: None.
// Turn on the LED.
LED.on();
// Wait 2 seconds.
wait(2, seconds);
// Turn off LED.
LED.off();