Ben Ceron / Mbed 2 deprecated NeoPixel-DemoBuffer

Demo of NeoPixels using buffer/array of pixels method.

Dependencies:   PixelArrayBuffer mbed

Edit of Jacob Bramley's original NeoPixel Demo code. https://developer.mbed.org/users/JacobBramley/code/NeoPixel-Demo/ This code simply demos the buffer/array of pixels method in updating the NeoPixel chain. The original version of this code used the generator method.

main.cpp

Committer:
ben_ceron
Date:
2015-03-10
Revision:
0:69bfb2320a83

File content as of revision 0:69bfb2320a83:

#include "mbed.h"
#include "neopixel.h"

// This must be an SPI MOSI pin.
#define DATA_PIN p5


int main()
{
    

    // Create a temporary DigitalIn so we can configure the pull-down resistor.
    // (The mbed API doesn't provide any other way to do this.)
    // An alternative is to connect an external pull-down resistor.
    DigitalIn(DATA_PIN, PullDown);

    // The pixel array control class.
    neopixel::PixelArray array(DATA_PIN);
    // Declare array/buffer of type Pixel.
    uint16_t numPixels = 4;
    neopixel::Pixel pixels[numPixels];
    // Use buffer method of updating pixels.
    pixels[0].red = 255;
    pixels[0].green = 0;
    pixels[0].blue = 0;
    pixels[1].red = 255;
    pixels[1].green = 140;
    pixels[1].blue = 0;
    pixels[2].red = 0;
    pixels[2].green = 255;
    pixels[2].blue = 0;
    pixels[3].red = 0;
    pixels[3].green = 0;
    pixels[3].blue = 255;
    while (1) {
        array.update(pixels, numPixels);
        
    }
}