code: private void setRepeat(final boolean repeat)
  	{
  		final boolean flag = mc == MC_LDATA_IND ? !repeat : repeat;
  		if (flag)
  			ctrl1 |= 0x20;
  		else
  			ctrl1 &= 0xDF;
  	}
docs: Sets the repeat flag in control field, using the message code type for decision.
  
  @param repeat <code>true</code> for a repeat request or repeated frame,
  <code>false</code> otherwise