std › os.linux › SER › RS485RS485= 1 << 0Values#ENABLED= 1 << 0RTS_ON_SEND= 1 << 1RTS_AFTER_SEND= 1 << 2RX_DURING_TX= 1 << 4TERMINATE_BUS= 1 << 5ADDRB= 1 << 6ADDR_RECV= 1 << 7ADDR_DEST= 1 << 8