17.2.3.22.4. Macro definitions (#define)

BIT0 0x01u
BIT1 0x02u
BIT2 0x04u
BIT3 0x08u
BIT4 0x10u
BIT5 0x20u
BIT6 0x40u
BIT7 0x80u
BIT(i) (1U << static_cast<unsigned>(i))