/* RS-485 structures */ /* RS-485 support */ /* Used with ioctl() TIOCSERSETRS485 */ struct rs485_control { unsigned short rts_on_send; unsigned short rts_after_sent; __u32 delay_rts_before_send; unsigned short enabled; #ifdef __KERNEL__ int disable_serial_loopback; #endif }; /* Used with ioctl() TIOCSERWRRS485 */ struct rs485_write { __u16 outc_size; unsigned char *outc; };