private static int GetWaitInterval(ushort actualDivider)
{
// Calculate time for transmitting one byte
// 1000000 = micros seconds in a second
// 9 = Clocks per byte : 8 bits + ACK
return (int)((decimal)actualDivider * 1000000 * 9 / Interop.BCM2835_CORE_CLK_HZ);
}