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Add joystick man page

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jmz 1995-01-25 21:41:09 +00:00
parent 802677cea8
commit b5639470d3
3 changed files with 117 additions and 2 deletions
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57
share/man/man4/joy.4 Normal file
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.Dd January 23, 1995
.Dt JOY 4
.Sh NAME
.Nm joy
.Nd joystick device driver
.Sh SYNOPSIS
.Cd device joy0 at isa? port "IO_GAME"
.Fd #include <machine/joystick.h>
.Sh DESCRIPTION
The joystick device driver allows applications to read the status of
the PC joystick.
.Pp
This device may be opened by only one process at a time.
.Pp
The joystick status is get in an array of 4 integers via a read()
call.
.br
The X and Y positions are stored in values 0 and 1 of the array,
and the state of the 2 buttons are stores in values 2 and 3 of the
array. Positions are typically in the range 0-2000.
.Ss One line perl example:
perl -e 'open(JOY,"/dev/joy0")||die;while(1)
.br
{sysread(JOY,$x,16);@j=unpack("iiii",$x);print "@j\\n";sleep(1);}'
.Ss ioctl calls
Several ioctl() calls are also available. They take an argument of
type int *
.Bl -tag -width JOY_SET_X_OFFSET
.It Dv JOY_SET_TIMEOUT Fa int *limit
Set the time limit (in microseconds) for reading the joystick
status. Setting a value
too small may prevent to get correct values for the positions (which
are then set to -2147483648), however this can be useful if one is
only interested by the buttons status.
.It Dv JOY_GET_TIMEOUT Fa int *limit
Get the time limit (in microseconds) used for reading the joystick
status.
.It Dv JOY_SET_X_OFFSET Fa int *offset
Set the value to be added to the X position when reading the joystick
status.
.It Dv JOY_SET_Y_OFFSET Fa int *offset
Set the value to be added to the Y position when reading the joystick
status.
.It Dv JOY_GET_X_OFFSET Fa int *offset
Get the value which is added to the X position when reading the joystick
status.
.It Dv JOY_GET_Y_OFFSET Fa int *offset
Get the value which is added to the Y position when reading the joystick
status.
.Sh FILES
.Bl -tag -width /dev/joy?
.It Pa /dev/joy?
joystick device files
.Sh AUTHOR
Jean-Marc Zucconi <jmz@cabri.obs-besancon.fr>
.Sh HISTORY
The joystick driver appeared in FreeBSD 2.1

5
share/man/man4/man4.i386/Makefile
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@ -1,7 +1,7 @@
# @(#)Makefile 0.1 (RWGrimes) 3/25/93
MAN4= aha.4 ahb.4 bt.4 cx.4 ed.4 fdc.4 ie.4 is.4 keyboard.4 lpt.4 mcd.4 \
mem.4 mse.4 npx.4 screen.4 sio.4 spkr.4 tw.4 uha.4 wd.4
MAN4= aha.4 ahb.4 bt.4 cx.4 ed.4 fdc.4 ie.4 is.4 joy.4 keyboard.4 lpt.4 \
mcd.4 mem.4 mse.4 npx.4 screen.4 sio.4 spkr.4 tw.4 uha.4 wd.4
MLINKS= aha.4 ../aha.4
MLINKS+= ahb.4 ../ahb.4
@ -11,6 +11,7 @@ MLINKS+= ed.4 ../ed.4
MLINKS+= fdc.4 ../fdc.4
MLINKS+= ie.4 ../ie.4
MLINKS+= is.4 ../is.4
MLINKS+= joy.4 ../joy.4
MLINKS+= keyboard.4 ../keyboard.4
MLINKS+= lpt.4 ../lpt.4
MLINKS+= mcd.4 ../mcd.4

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share/man/man4/man4.i386/joy.4 Normal file
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.Dd January 23, 1995
.Dt JOY 4
.Sh NAME
.Nm joy
.Nd joystick device driver
.Sh SYNOPSIS
.Cd device joy0 at isa? port "IO_GAME"
.Fd #include <machine/joystick.h>
.Sh DESCRIPTION
The joystick device driver allows applications to read the status of
the PC joystick.
.Pp
This device may be opened by only one process at a time.
.Pp
The joystick status is get in an array of 4 integers via a read()
call.
.br
The X and Y positions are stored in values 0 and 1 of the array,
and the state of the 2 buttons are stores in values 2 and 3 of the
array. Positions are typically in the range 0-2000.
.Ss One line perl example:
perl -e 'open(JOY,"/dev/joy0")||die;while(1)
.br
{sysread(JOY,$x,16);@j=unpack("iiii",$x);print "@j\\n";sleep(1);}'
.Ss ioctl calls
Several ioctl() calls are also available. They take an argument of
type int *
.Bl -tag -width JOY_SET_X_OFFSET
.It Dv JOY_SET_TIMEOUT Fa int *limit
Set the time limit (in microseconds) for reading the joystick
status. Setting a value
too small may prevent to get correct values for the positions (which
are then set to -2147483648), however this can be useful if one is
only interested by the buttons status.
.It Dv JOY_GET_TIMEOUT Fa int *limit
Get the time limit (in microseconds) used for reading the joystick
status.
.It Dv JOY_SET_X_OFFSET Fa int *offset
Set the value to be added to the X position when reading the joystick
status.
.It Dv JOY_SET_Y_OFFSET Fa int *offset
Set the value to be added to the Y position when reading the joystick
status.
.It Dv JOY_GET_X_OFFSET Fa int *offset
Get the value which is added to the X position when reading the joystick
status.
.It Dv JOY_GET_Y_OFFSET Fa int *offset
Get the value which is added to the Y position when reading the joystick
status.
.Sh FILES
.Bl -tag -width /dev/joy?
.It Pa /dev/joy?
joystick device files
.Sh AUTHOR
Jean-Marc Zucconi <jmz@cabri.obs-besancon.fr>
.Sh HISTORY
The joystick driver appeared in FreeBSD 2.1