Hilfestellung bei drei Schieberegistern und 20 LED´s

[Sisor]

War so gemeint:

int latchPin = 4;
int clockPin = 3;
int dataPin = 2;

void setup()
{
  pinMode(latchPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(dataPin, OUTPUT);
  ledLine();
}

void loop(){}

void ledLine()
{
  long data = 0;  // alle Bits aus -> alle LEDs aus
  while (data <= 1048576)
  {
    digitalWrite(latchPin, LOW);
    shiftOut(dataPin, clockPin, MSBFIRST, data >>16);
    shiftOut(dataPin, clockPin, MSBFIRST, data >>8);
    shiftOut(dataPin, clockPin, MSBFIRST, data);
    digitalWrite(latchPin, HIGH);

    data = (data<<1)+1;
    delay(1000);
  }
}