20.2.3.23.4. 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))¶