led_bikewheel/led_test/led_test.ino

#include <FastGPIO.h>
#define APA102_USE_FAST_GPIO

#include <APA102.h>

// Define which pins to use.
const uint8_t dataPin = 3;
const uint8_t clockPin = 2;
const uint8_t brightness = 1;

const uint16_t led_count = 112;

rgb_color color_buffer[led_count];

// Create an object for writing to the LED strip.
APA102<dataPin, clockPin> ledStrip;

void setup()
{
}

void loop()
{
  for (int i = 0; i < led_count; i++)
  {
    color_buffer[i] = rgb_color(255, 0, 0);
  }

  ledStrip.write(color_buffer, led_count, brightness);

  delay(1000);

  for (int i = 0; i < led_count; i++)
  {
    color_buffer[i] = rgb_color(0, 255, 0);
  }

  ledStrip.write(color_buffer, led_count, brightness);

  delay(1000);

  for (int i = 0; i < led_count; i++)
  {
    color_buffer[i] = rgb_color(0, 0, 255);
  }

  ledStrip.write(color_buffer, led_count, brightness);

  delay(1000);
}