uart->cntl_save.rlc |= (!!(cflags & _CSTOPB)) * UART_rLC_STOPB;
uart->cntl_save.rlc |= (!!(cflags & _CPARENB)) * UART_rLC_PAREN;
uart->cntl_save.rlc |= (!(cflags & _CPARODD)) * UART_rLC_PAREVN;
uart->cntl_save.rlc |= (!!(cflags & _CSTOPB)) * UART_rLC_STOPB;
uart->cntl_save.rlc |= (!!(cflags & _CPARENB)) * UART_rLC_PAREN;
uart->cntl_save.rlc |= (!(cflags & _CPARODD)) * UART_rLC_PAREVN;