NAME
joystick_getnumaxes, joystick_getnumbuttons - query the capabilities of
a joystick
SYNOPSIS
#include <vgajoystick.h>
char joystick_getnumaxes(int joydev);
char joystick_getnumbuttons(int joydev);
DESCRIPTION
queries the number of axes (number of continuous ranges which the
joystick allows to choose from) and buttons. The old version 0.*
joystick protocol reports 2 axes (x and y) and 4 buttons although the
actual joystick will usually have less (often two) buttons.
svgalib supports up to 127 axes and buttons, provided the underlying
device driver does it.
CAVEATS
This function is only available in ELF versions of svgalib. Due to
backwards compatibility issues it cannot be used with shared a.out
libs.
SEE ALSO
svgalib(7), vgagl(7), libvga.config(5), joytest(6), mjoytest(6),
joystick_init(3), joystick_close(3), joystick_update(3),
joystick_sethandler(3), joystick_setdefaulthandler(3),
joystick_getaxis(3), joystick_getbutton(3), joystick_button1(3),
joystick_getb1(3), joystick_x(3), joystick_getx(3).
AUTHOR
The svgalib joystick handler was mostly done by Daniel Engstr\"om
<daniel.engstrom@riksnett.no>. Multiple joystick, VC switching support
and code to glue it into svgalib by Michael Weller <eowmob@exp-
math.uni-essen.de>. Part of the code is based on code from C. Smith and
Vojtech Pavlik.