! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: alien.c-types alien.syntax assocs classes.struct
io.serial kernel system ;
IN: io.serial.linux.ffi

CONSTANT: NCCS 32

TYPEDEF: uchar cc_t
TYPEDEF: uint speed_t
TYPEDEF: uint tcflag_t

STRUCT: termios
    { iflag tcflag_t }
    { oflag tcflag_t }
    { cflag tcflag_t }
    { lflag tcflag_t }
    { line cc_t }
    { cc { cc_t NCCS } }
    { ispeed speed_t }
    { ospeed speed_t } ;

FUNCTION: speed_t cfgetispeed ( termios* t ) ;
FUNCTION: speed_t cfgetospeed ( termios* t ) ;
FUNCTION: int cfsetispeed ( termios* t, speed_t s ) ;
FUNCTION: int cfsetospeed ( termios* t, speed_t s ) ;
FUNCTION: int tcgetattr ( int i1, termios* t ) ;
FUNCTION: int tcsetattr ( int i1, int i2, termios* t ) ;
FUNCTION: int tcdrain ( int i1 ) ;
FUNCTION: int tcflow ( int i1, int i2 ) ;
FUNCTION: int tcflush ( int i1, int i2 ) ;
FUNCTION: int tcsendbreak ( int i1, int i2 ) ;
FUNCTION: void cfmakeraw ( termios* t ) ;
FUNCTION: int cfsetspeed ( termios* t, speed_t s ) ;

CONSTANT: TCSANOW     0
CONSTANT: TCSADRAIN   1
CONSTANT: TCSAFLUSH   2

CONSTANT: TCIFLUSH    0
CONSTANT: TCOFLUSH    1
CONSTANT: TCIOFLUSH   2

CONSTANT: TCOOFF      0
CONSTANT: TCOON       1
CONSTANT: TCIOFF      2
CONSTANT: TCION       3

! iflag
CONSTANT: IGNBRK  OCT: 0000001
CONSTANT: BRKINT  OCT: 0000002
CONSTANT: IGNPAR  OCT: 0000004
CONSTANT: PARMRK  OCT: 0000010
CONSTANT: INPCK   OCT: 0000020
CONSTANT: ISTRIP  OCT: 0000040
CONSTANT: INLCR   OCT: 0000100
CONSTANT: IGNCR   OCT: 0000200
CONSTANT: ICRNL   OCT: 0000400
CONSTANT: IUCLC   OCT: 0001000
CONSTANT: IXON    OCT: 0002000
CONSTANT: IXANY   OCT: 0004000
CONSTANT: IXOFF   OCT: 0010000
CONSTANT: IMAXBEL OCT: 0020000
CONSTANT: IUTF8   OCT: 0040000

! oflag
CONSTANT: OPOST   OCT: 0000001
CONSTANT: OLCUC   OCT: 0000002
CONSTANT: ONLCR   OCT: 0000004
CONSTANT: OCRNL   OCT: 0000010
CONSTANT: ONOCR   OCT: 0000020
CONSTANT: ONLRET  OCT: 0000040
CONSTANT: OFILL   OCT: 0000100
CONSTANT: OFDEL   OCT: 0000200
CONSTANT: NLDLY  OCT: 0000400
CONSTANT:   NL0  OCT: 0000000
CONSTANT:   NL1  OCT: 0000400
CONSTANT: CRDLY  OCT: 0003000
CONSTANT:   CR0  OCT: 0000000
CONSTANT:   CR1  OCT: 0001000
CONSTANT:   CR2  OCT: 0002000
CONSTANT:   CR3  OCT: 0003000
CONSTANT: TABDLY OCT: 0014000
CONSTANT:   TAB0 OCT: 0000000
CONSTANT:   TAB1 OCT: 0004000
CONSTANT:   TAB2 OCT: 0010000
CONSTANT:   TAB3 OCT: 0014000
CONSTANT: BSDLY  OCT: 0020000
CONSTANT:   BS0  OCT: 0000000
CONSTANT:   BS1  OCT: 0020000
CONSTANT: FFDLY  OCT: 0100000
CONSTANT:   FF0  OCT: 0000000
CONSTANT:   FF1  OCT: 0100000

! cflags
CONSTANT: CSIZE   OCT: 0000060
CONSTANT:   CS5   OCT: 0000000
CONSTANT:   CS6   OCT: 0000020
CONSTANT:   CS7   OCT: 0000040
CONSTANT:   CS8   OCT: 0000060
CONSTANT: CSTOPB  OCT: 0000100
CONSTANT: CREAD   OCT: 0000200
CONSTANT: PARENB  OCT: 0000400
CONSTANT: PARODD  OCT: 0001000
CONSTANT: HUPCL   OCT: 0002000
CONSTANT: CLOCAL  OCT: 0004000
CONSTANT: CIBAUD  OCT: 002003600000
CONSTANT: CRTSCTS OCT: 020000000000

! lflags
CONSTANT: ISIG    OCT: 0000001
CONSTANT: ICANON  OCT: 0000002
CONSTANT: XCASE  OCT: 0000004
CONSTANT: ECHO    OCT: 0000010
CONSTANT: ECHOE   OCT: 0000020
CONSTANT: ECHOK   OCT: 0000040
CONSTANT: ECHONL  OCT: 0000100
CONSTANT: NOFLSH  OCT: 0000200
CONSTANT: TOSTOP  OCT: 0000400
CONSTANT: ECHOCTL OCT: 0001000
CONSTANT: ECHOPRT OCT: 0002000
CONSTANT: ECHOKE  OCT: 0004000
CONSTANT: FLUSHO  OCT: 0010000
CONSTANT: PENDIN  OCT: 0040000
CONSTANT: IEXTEN  OCT: 0100000

M: linux lookup-baud ( n -- n )
    H{
        { 0       OCT: 0000000 }
        { 50      OCT: 0000001 }
        { 75      OCT: 0000002 }
        { 110     OCT: 0000003 }
        { 134     OCT: 0000004 }
        { 150     OCT: 0000005 }
        { 200     OCT: 0000006 }
        { 300     OCT: 0000007 }
        { 600     OCT: 0000010 }
        { 1200    OCT: 0000011 }
        { 1800    OCT: 0000012 }
        { 2400    OCT: 0000013 }
        { 4800    OCT: 0000014 }
        { 9600    OCT: 0000015 }
        { 19200   OCT: 0000016 }
        { 38400   OCT: 0000017 }
        { 57600   OCT: 0010001 }
        { 115200  OCT: 0010002 }
        { 230400  OCT: 0010003 }
        { 460800  OCT: 0010004 }
        { 500000  OCT: 0010005 }
        { 576000  OCT: 0010006 }
        { 921600  OCT: 0010007 }
        { 1000000 OCT: 0010010 }
        { 1152000 OCT: 0010011 }
        { 1500000 OCT: 0010012 }
        { 2000000 OCT: 0010013 }
        { 2500000 OCT: 0010014 }
        { 3000000 OCT: 0010015 }
        { 3500000 OCT: 0010016 }
        { 4000000 OCT: 0010017 }
    } ?at [ invalid-baud ] unless ;