RGB LED

The RGB_LED class provides methods to set LED color and turn off LED.

Assembly

RGB_LED.h

Summary

Types

PinName

Provides the mapping of mbed DIP and LPC Pin Names.

Constructors

RGB_LED

RGB_LED(PinName red, PinName green, PinName blue)

Parameters

Type	Name	Description
PinName	red	Red LED pin name.
PinName	green	Green LED pin name.
PinName	blue	Blue LED pin name.

Methods

setColor

void setColor(int red, int green, int blue)

Set LED color with an RGB color value, each parameter is an integer between 0 and 255.

Parameters

Type	Name	Description
int	red	Defines red color intensity, the value is an integer between 0 and 255.
int	green	Defines green color intensity, the value is an integer between 0 and 255.
int	blue	Defines blue color intensity, the value is an integer between 0 and 255.

Return value

void

turnOff

void turnOff()

Turn off LED. Set red, green and blue intensity to 0.

Parameters

None.

Return value

void

Sample code

#include "RGB_LED.h"
RGB_LED rgbLed;
uint8_t color[][3] = {
        {255, 0, 0},                // red
        {0, 255, 0},                // green
        {0, 0, 255},                // blue
        {0, 0, 0},
        {255, 255, 0},
        {0, 255, 255},
        {255, 0, 255},
        {255, 255, 255}
    };
    void setup(){
    }
    void loop(){
        for(int i = 0; i< 8; ++i)
        {
            Serial.printf("Red: %d, Green: %d, Blue: %d\n", color[i][0], color[i][1], color[i][2]);
            rgbLed.setColor(color[i][0], color[i][1], color[i][2]);
            delay(1000);
        }
        Serial.println("Turn off");
        rgbLed.turnOff();
        delay(1000);
    }