SX9500_SCAN_PERIOD_SHIFT
val = (val & SX9500_SCAN_PERIOD_MASK) >> SX9500_SCAN_PERIOD_SHIFT;
regval = (regval & SX9500_SCAN_PERIOD_MASK) >> SX9500_SCAN_PERIOD_SHIFT;
i << SX9500_SCAN_PERIOD_SHIFT);