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int connect_joy
()
{
axis
= (int *) calloc( 100, sizeof( int ) );
button
= (char *)calloc( 100, sizeof( char ) );
button_trigger
= (char *) calloc( 100, sizeof( char ) );
// axis = (int *) calloc( num_of_axis, sizeof( int ) );
// button = (char *)calloc( num_of_buttons, sizeof( char ) );
// button_trigger = (char *) calloc( num_of_buttons, sizeof( char ) );
if( ( x52_input_fd
= open
( JOY_DEV
, O_RDONLY
) ) < 0 )
{
printf( "Couldn't open joystick device %s\n", JOY_DEV
);
printf( "try modprobe joydev\n" );
return 0;
}
ioctl
( x52_input_fd
, JSIOCGAXES
, &num_of_axis
);
ioctl
( x52_input_fd
, JSIOCGBUTTONS
, &num_of_buttons
);
ioctl
( x52_input_fd
, JSIOCGNAME
(80), &name_of_joystick
);
printf("Joystick detected: %s\n\t%d axis\n\t%d buttons\n\n"
, name_of_joystick
, num_of_axis
, num_of_buttons
);
fcntl
( x52_input_fd
, F_SETFL
, O_NONBLOCK
); /* use non-blocking mode */
return 1;
}