factor/extra/serial/unix/unix.factor

64 lines
2.1 KiB
Factor

! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien.c-types alien.syntax combinators io.ports
io.streams.duplex io.unix.backend system kernel math math.bitwise
vocabs.loader unix serial serial.unix.termios ;
IN: serial.unix
<< {
{ [ os linux? ] [ "serial.unix.linux" ] }
{ [ os bsd? ] [ "serial.unix.bsd" ] }
} cond require >>
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 ) ;
: fd>duplex-stream ( fd -- duplex-stream )
<fd> init-fd
[ <input-port> ] [ <output-port> ] bi <duplex-stream> ;
: open-rw ( path -- fd ) O_RDWR file-mode open-file ;
: <file-rw> ( path -- stream ) open-rw fd>duplex-stream ;
M: unix open-serial ( serial -- serial' )
dup
path>> { O_RDWR O_NOCTTY O_NDELAY } flags file-mode open-file
fd>duplex-stream >>stream ;
: serial-fd ( serial -- fd )
stream>> in>> handle>> fd>> ;
: get-termios ( serial -- termios )
serial-fd
"termios" <c-object> [ tcgetattr io-error ] keep ;
: configure-termios ( serial -- )
dup termios>>
{
[ [ iflag>> ] dip over [ set-termios-iflag ] [ 2drop ] if ]
[ [ oflag>> ] dip over [ set-termios-oflag ] [ 2drop ] if ]
[
[
[ cflag>> 0 or ] [ baud>> lookup-baud ] bi bitor
] dip set-termios-cflag
]
[ [ lflag>> ] dip over [ set-termios-lflag ] [ 2drop ] if ]
} 2cleave ;
: tciflush ( serial -- )
serial-fd TCIFLUSH tcflush io-error ;
: apply-termios ( serial -- )
[ serial-fd TCSANOW ]
[ termios>> ] bi tcsetattr io-error ;