DUE and DAC0 analogWrite beep tone

Projects Programming
6

Thanks!
I found the best result with this up-down tone:

void buttonBeep(){
      for (int j = 0; j < 200; j++) {
        for (int i = 0; i < 200; i++)
          analogWrite(DAC0, i);
        for (int i = 200; i >= 0; i--)
          analogWrite(DAC0, i);
      }
}