void check_quit_action() {
// this is where we loop and check for joystick quit event (buttons 8 and 9);
int i, status;
const char *device = "/dev/input/js0";
const char *calib = "/home/spike/.joystick.bak";
js_data_struct jsd;
signal(SIGINT, MySignalHandler);
status = JSInit(&jsd, device, calib, JSFlagNonBlocking);
if (status != JSSuccess) {
printf("ERROR with joystick!\n");
JSClose(&jsd);
exit(EXIT_FAILURE);
}
printf("Initialized joystick: %s\n", jsd.name);
runlevel = 2;
while(runlevel >= 2) {
if (JSUpdate(&jsd) == JSGotEvent &&
(JSGetButtonState(&jsd, 8) && JSGetButtonState(&jsd, 9))) {
JSClose(&jsd);
return;
}
usleep(16000);
}
}
static void
poll_joystick( int which )
{
js_data_struct *joystick;
double position;
int fire, buttons;
input_event_t event;
size_t i;
joystick = &jsd[which];
if( JSUpdate( joystick ) != JSGotEvent ) return;
position = JSGetAxisCoeffNZ( joystick, 0 );
do_axis( which, position, INPUT_JOYSTICK_LEFT, INPUT_JOYSTICK_RIGHT );
position = JSGetAxisCoeffNZ( joystick, 1 );
do_axis( which, position, INPUT_JOYSTICK_UP, INPUT_JOYSTICK_DOWN );
event.types.joystick.which = which;
buttons = joystick->total_buttons;
if( buttons > 10 ) buttons = 10; /* We support 'only' 10 fire buttons */
for( i = 0; i < buttons; i++ ) {
fire = JSGetButtonState( joystick, i );
if( fire == JSButtonStateOn ) {
event.type = INPUT_EVENT_JOYSTICK_PRESS;
} else {
event.type = INPUT_EVENT_JOYSTICK_RELEASE;
}
event.types.joystick.button = INPUT_JOYSTICK_FIRE_1 + i;
}
input_event( &event );
}
