termios.h

一个用于学习的操作系统

#ifndef _TERMIOS_H
#define _TERMIOS_H

#include <fairysky/types.h>

#define TTY_BUF_SIZE 1024

/* 0x54 is just a magic number to make these relatively uniqe ('T') */

#define TCGETS        0x5401
#define TCSETS        0x5402
#define TCSETSW        0x5403
#define TCSETSF        0x5404
#define TCGETA        0x5405
#define TCSETA        0x5406
#define TCSETAW        0x5407
#define TCSETAF        0x5408
#define TCSBRK        0x5409
#define TCXONC        0x540A
#define TCFLSH        0x540B
#define TIOCEXCL    0x540C
#define TIOCNXCL    0x540D
#define TIOCSCTTY    0x540E
#define TIOCGPGRP    0x540F
#define TIOCSPGRP    0x5410
#define TIOCOUTQ    0x5411
#define TIOCSTI        0x5412
#define TIOCGWINSZ    0x5413
#define TIOCSWINSZ    0x5414
#define TIOCMGET    0x5415
#define TIOCMBIS    0x5416
#define TIOCMBIC    0x5417
#define TIOCMSET    0x5418
#define TIOCGSOFTCAR    0x5419
#define TIOCSSOFTCAR    0x541A
#define TIOCINQ        0x541B

struct winsize {
    unsigned short ws_row;
    unsigned short ws_col;
    unsigned short ws_xpixel;
    unsigned short ws_ypixel;
};

#define NCC 8
struct termio {
    unsigned short c_iflag;        /* input mode flags */
    unsigned short c_oflag;        /* output mode flags */
    unsigned short c_cflag;        /* control mode flags */
    unsigned short c_lflag;        /* local mode flags */
    unsigned char c_line;        /* line discipline */
    unsigned char c_cc[NCC];    /* control characters */
};

#define NCCS 17
struct termios {
    unsigned long c_iflag;        /* input mode flags */
    unsigned long c_oflag;        /* output mode flags */
    unsigned long c_cflag;        /* control mode flags */
    unsigned long c_lflag;        /* local mode flags */
    unsigned char c_line;        /* line discipline */
    unsigned char c_cc[NCCS];    /* control characters */
};

/* c_cc characters */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VTIME 5
#define VMIN 6
#define VSWTC 7
#define VSTART 8
#define VSTOP 9
#define VSUSP 10
#define VEOL 11
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define VLNEXT 15
#define VEOL2 16

/* c_iflag bits */
#define IGNBRK    0000001
#define BRKINT    0000002
#define IGNPAR    0000004
#define PARMRK    0000010
#define INPCK    0000020
#define ISTRIP    0000040
#define INLCR    0000100
#define IGNCR    0000200
#define ICRNL    0000400
#define IUCLC    0001000
#define IXON    0002000
#define IXANY    0004000
#define IXOFF    0010000
#define IMAXBEL    0020000

/* c_oflag bits */
#define OPOST    0000001
#define OLCUC    0000002
#define ONLCR    0000004
#define OCRNL    0000010
#define ONOCR    0000020
#define ONLRET    0000040
#define OFILL    0000100
#define OFDEL    0000200
#define NLDLY    0000400
#define   NL0    0000000
#define   NL1    0000400
#define CRDLY    0003000
#define   CR0    0000000
#define   CR1    0001000
#define   CR2    0002000
#define   CR3    0003000
#define TABDLY    0014000
#define   TAB0    0000000
#define   TAB1    0004000
#define   TAB2    0010000
#define   TAB3    0014000
#define   XTABS    0014000
#define BSDLY    0020000
#define   BS0    0000000
#define   BS1    0020000
#define VTDLY    0040000
#define   VT0    0000000
#define   VT1    0040000
#define FFDLY    0040000
#define   FF0    0000000
#define   FF1    0040000

/* c_cflag bit meaning */
#define CBAUD    0000017
#define  B0    0000000        /* hang up */
#define  B50    0000001
#define  B75    0000002
#define  B110    0000003
#define  B134    0000004
#define  B150    0000005
#define  B200    0000006
#define  B300    0000007
#define  B600    0000010
#define  B1200    0000011
#define  B1800    0000012
#define  B2400    0000013
#define  B4800    0000014
#define  B9600    0000015
#define  B19200    0000016
#define  B38400    0000017
#define EXTA B19200
#define EXTB B38400
#define CSIZE    0000060
#define   CS5    0000000
#define   CS6    0000020
#define   CS7    0000040
#define   CS8    0000060
#define CSTOPB    0000100
#define CREAD    0000200
#define CPARENB    0000400
#define CPARODD    0001000
#define HUPCL    0002000
#define CLOCAL    0004000
#define CIBAUD    03600000        /* input baud rate (not used) */
#define CRTSCTS    020000000000        /* flow control */

#define PARENB CPARENB
#define PARODD CPARODD

/* c_lflag bits */
#define ISIG    0000001
#define ICANON    0000002
#define XCASE    0000004
#define ECHO    0000010
#define ECHOE    0000020
#define ECHOK    0000040
#define ECHONL    0000100
#define NOFLSH    0000200
#define TOSTOP    0000400
#define ECHOCTL    0001000
#define ECHOPRT    0002000
#define ECHOKE    0004000
#define FLUSHO    0010000
#define PENDIN    0040000
#define IEXTEN    0100000

/* modem lines */
#define TIOCM_LE    0x001
#define TIOCM_DTR    0x002
#define TIOCM_RTS    0x004
#define TIOCM_ST    0x008
#define TIOCM_SR    0x010
#define TIOCM_CTS    0x020
#define TIOCM_CAR    0x040
#define TIOCM_RNG    0x080
#define TIOCM_DSR    0x100
#define TIOCM_CD    TIOCM_CAR
#define TIOCM_RI    TIOCM_RNG

/* tcflow() and TCXONC use these */
#define    TCOOFF        0
#define    TCOON        1
#define    TCIOFF        2
#define    TCION        3

/* tcflush() and TCFLSH use these */
#define    TCIFLUSH    0
#define    TCOFLUSH    1
#define    TCIOFLUSH    2

/* tcsetattr uses these */
#define    TCSANOW        0
#define    TCSADRAIN    1
#define    TCSAFLUSH    2


extern speed_t cfgetispeed(struct termios *termios_p);
extern speed_t cfgetospeed(struct termios *termios_p);
extern int cfsetispeed(struct termios *termios_p, speed_t speed);
extern int cfsetospeed(struct termios *termios_p, speed_t speed);
extern int tcdrain(int fildes);
extern int tcflow(int fildes, int action);
extern int tcflush(int fildes, int queue_selector);
extern int tcgetattr(int fildes, struct termios *termios_p);
extern int tcsendbreak(int fildes, int duration);
extern int tcsetattr(int fildes, int optional_actions,
    struct termios *termios_p);

#endif