Cylon Library STM32F4

int main ()

{

    // set up the lights.

    lines[0].start = 0;

    lines[0].speed = 1.6;

    lines[0].length = 30;

    lines[0].backgroundRatio = 40;

    lines[0].colour.R = 200;

    lines[0].colour.G = 0;

    lines[0].colour.B = 0;

    lines[0].dir = true;

// add the initial lines

    // give the LED driver the buffer to use.

    ledDriver.setData(pixelData, chainLen);

    //LEDs = 1;

    updateRateTimer.start();

    while (true) {

        ledDriver.sendData(); // send the LED data

        led1 = !led1;

        // wait for the next update time.

        while (updateRateTimer.read_ms() < updatePeriodMS) {

        }

        updateRateTimer.reset();

    }

}