S_DUART_IN_PIN_CHNG
#define M_DUART_IN_PIN_CHNG _SB_MAKEMASK(4, S_DUART_IN_PIN_CHNG)
if (delta & (M_DUART_IN_PIN0_VAL << S_DUART_IN_PIN_CHNG))
if (delta & (M_DUART_IN_PIN2_VAL << S_DUART_IN_PIN_CHNG))
S_DUART_IN_PIN_CHNG))