void joystick_linux::open_joystick(const char *p_path) {
int joy_num = get_free_joy_slot();
int fd = open(p_path, O_RDONLY | O_NONBLOCK);
if (fd != -1 && joy_num != -1) {
int rc = libevdev_new_from_fd(fd, &joysticks[joy_num].dev);
if (rc < 0) {
fprintf(stderr, "Failed to init libevdev (%s)\n", strerror(-rc));
return;
}
libevdev *dev = joysticks[joy_num].dev;
//check if the device supports basic gamepad events, prevents certain keyboards from
//being detected as joysticks
if (libevdev_has_event_type(dev, EV_ABS) && libevdev_has_event_type(dev, EV_KEY) &&
(libevdev_has_event_code(dev, EV_KEY, BTN_A) || libevdev_has_event_code(dev, EV_KEY, BTN_THUMBL) || libevdev_has_event_code(dev, EV_KEY, BTN_TOP))) {
char uid[128];
String name = libevdev_get_name(dev);
uint16_t bus = __bswap_16(libevdev_get_id_bustype(dev));
uint16_t vendor = __bswap_16(libevdev_get_id_vendor(dev));
uint16_t product = __bswap_16(libevdev_get_id_product(dev));
uint16_t version = __bswap_16(libevdev_get_id_version(dev));
joysticks[joy_num].reset();
Joystick &joy = joysticks[joy_num];
joy.fd = fd;
joy.devpath = String(p_path);
setup_joystick_properties(joy_num);
sprintf(uid, "%04x%04x", bus, 0);
if (vendor && product && version) {
sprintf(uid + String(uid).length(), "%04x%04x%04x%04x%04x%04x", vendor,0,product,0,version,0);
input->joy_connection_changed(joy_num, true, name, uid);
}
else {
String uidname = uid;
int uidlen = MIN(name.length(), 11);
for (int i=0; i<uidlen; i++) {
uidname = uidname + _hex_str(name[i]);
}
uidname += "00";
input->joy_connection_changed(joy_num, true, name, uidname);
}
}
else {
//device is not a gamepad, clean up
libevdev_free(dev);
close(fd);
}
}
}
bool JoystickOSX::configure_joystick(IOHIDDeviceRef p_device_ref, joystick *p_joy) {
CFTypeRef refCF = NULL;
p_joy->device_ref = p_device_ref;
/* get device name */
String name;
char c_name[256];
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDProductKey));
if (!refCF) {
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDManufacturerKey));
}
if ((!refCF) || (!CFStringGetCString((CFStringRef)refCF, c_name, sizeof(c_name), kCFStringEncodingUTF8))) {
name = "Unidentified Joystick";
}
name = c_name;
int id = input->get_unused_joy_id();
ERR_FAIL_COND_V(id == -1, false);
p_joy->id = id;
int vendor = 0;
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDVendorIDKey));
if (refCF) {
CFNumberGetValue((CFNumberRef)refCF, kCFNumberSInt32Type, &vendor);
}
int product_id = 0;
refCF = IOHIDDeviceGetProperty(p_device_ref, CFSTR(kIOHIDProductIDKey));
if (refCF) {
CFNumberGetValue((CFNumberRef)refCF, kCFNumberSInt32Type, &product_id);
}
if (vendor && product_id) {
char uid[128];
sprintf(uid, "%04x%08x%04x%08x", OSSwapHostToBigInt32(vendor), 0, OSSwapHostToBigInt32(product_id), 0);
input->joy_connection_changed(id, true, name, uid);
} else {
//bluetooth device
String guid = "05000000";
for (int i = 0; i < 12; i++) {
if (i < name.size())
guid += _hex_str(name[i]);
else
guid += "00";
}
input->joy_connection_changed(id, true, name, guid);
}
CFArrayRef array = NULL;
array = IOHIDDeviceCopyMatchingElements(p_device_ref, NULL, kIOHIDOptionsTypeNone);
if (array) {
p_joy->add_hid_elements(array);
CFRelease(array);
}
return true;
}
void joystick_linux::open_joystick(const char *p_path) {
int joy_num = get_free_joy_slot();
int fd = open(p_path, O_RDONLY | O_NONBLOCK);
if (fd != -1 && joy_num != -1) {
unsigned long evbit[NBITS(EV_MAX)] = { 0 };
unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
(ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
(ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
return;
}
//check if the device supports basic gamepad events, prevents certain keyboards from
//being detected as joysticks
if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) &&
((test_bit(ABS_X, absbit) || test_bit(ABS_Y, absbit)) ||
(test_bit(BTN_A, keybit) || test_bit(BTN_THUMBL, keybit))))) {
close(fd);
return;
}
char uid[128];
char namebuf[128];
String name = "";
input_id inpid;
if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) >= 0) {
name = namebuf;
}
if (ioctl(fd, EVIOCGID, &inpid) < 0) {
close(fd);
return;
}
joysticks[joy_num].reset();
Joystick &joy = joysticks[joy_num];
joy.fd = fd;
joy.devpath = String(p_path);
setup_joystick_properties(joy_num);
sprintf(uid, "%04x%04x", __bswap_16(inpid.bustype), 0);
if (inpid.vendor && inpid.product && inpid.version) {
uint16_t vendor = __bswap_16(inpid.vendor);
uint16_t product = __bswap_16(inpid.product);
uint16_t version = __bswap_16(inpid.version);
sprintf(uid + String(uid).length(), "%04x%04x%04x%04x%04x%04x", vendor,0,product,0,version,0);
input->joy_connection_changed(joy_num, true, name, uid);
}
else {
String uidname = uid;
int uidlen = MIN(name.length(), 11);
for (int i=0; i<uidlen; i++) {
uidname = uidname + _hex_str(name[i]);
}
uidname += "00";
input->joy_connection_changed(joy_num, true, name, uidname);
}
}
}
