mirrors/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2025-09-18 09:18:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improved Xbox One controller initialization

Browse Source
This commit is contained in:
Sam Lantinga
2020-01-16 15:32:39 -08:00
parent 981e0d367c
commit 4e1cc124d2
3 changed files with 74 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/hidapi/SDL_hidapi.c
View File

@@ -165,6 +165,7 @@ static struct
int (*release_interface)(libusb_device_handle *dev_handle, int interface_number);
int (*kernel_driver_active)(libusb_device_handle *dev_handle, int interface_number);
int (*detach_kernel_driver)(libusb_device_handle *dev_handle, int interface_number);
int (*set_interface_alt_setting)(libusb_device_handle *dev, int interface_number, int alternate_setting);
struct libusb_transfer * (*alloc_transfer)(int iso_packets);
int (*submit_transfer)(struct libusb_transfer *transfer);
int (*cancel_transfer)(struct libusb_transfer *transfer);
@@ -207,6 +208,7 @@ static struct
#define libusb_release_interface libusb_ctx.release_interface
#define libusb_kernel_driver_active libusb_ctx.kernel_driver_active
#define libusb_detach_kernel_driver libusb_ctx.detach_kernel_driver
#define libusb_set_interface_alt_setting libusb_ctx.set_interface_alt_setting
#define libusb_alloc_transfer libusb_ctx.alloc_transfer
#define libusb_submit_transfer libusb_ctx.submit_transfer
#define libusb_cancel_transfer libusb_ctx.cancel_transfer
@@ -472,6 +474,7 @@ int HID_API_EXPORT HID_API_CALL hid_init(void)
LOAD_LIBUSB_SYMBOL(release_interface)
LOAD_LIBUSB_SYMBOL(kernel_driver_active)
LOAD_LIBUSB_SYMBOL(detach_kernel_driver)
LOAD_LIBUSB_SYMBOL(set_interface_alt_setting)
LOAD_LIBUSB_SYMBOL(alloc_transfer)
LOAD_LIBUSB_SYMBOL(submit_transfer)
LOAD_LIBUSB_SYMBOL(cancel_transfer)

41
src/hidapi/libusb/hid.c
View File

@@ -913,6 +913,39 @@ static int read_thread(void *param)
return 0;
}
static void init_xboxone(libusb_device_handle *device_handle, struct libusb_config_descriptor *conf_desc)
{
static const int XB1_IFACE_SUBCLASS = 71;
static const int XB1_IFACE_PROTOCOL = 208;
int j, k, res;
for (j = 0; j < conf_desc->bNumInterfaces; j++) {
const struct libusb_interface *intf = &conf_desc->interface[j];
for (k = 0; k < intf->num_altsetting; k++) {
const struct libusb_interface_descriptor *intf_desc;
intf_desc = &intf->altsetting[k];
if (intf_desc->bInterfaceNumber != 0 &&
intf_desc->bAlternateSetting == 0 &&
intf_desc->bInterfaceClass == LIBUSB_CLASS_VENDOR_SPEC &&
intf_desc->bInterfaceSubClass == XB1_IFACE_SUBCLASS &&
intf_desc->bInterfaceProtocol == XB1_IFACE_PROTOCOL) {
res = libusb_claim_interface(device_handle, intf_desc->bInterfaceNumber);
if (res < 0) {
LOG("can't claim interface %d: %d\n", intf_desc->bInterfaceNumber, res);
continue;
}
res = libusb_set_interface_alt_setting(device_handle, intf_desc->bInterfaceNumber, intf_desc->bAlternateSetting);
if (res < 0) {
LOG("xbox init: can't set alt setting %d: %d\n", intf_desc->bInterfaceNumber, res);
}
libusb_release_interface(device_handle, intf_desc->bInterfaceNumber);
}
}
}
}
hid_device * HID_API_EXPORT hid_open_path(const char *path, int bExclusive)
{
@@ -934,6 +967,7 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path, int bExclusive)
struct libusb_device_descriptor desc;
struct libusb_config_descriptor *conf_desc = NULL;
int i,j,k;
libusb_get_device_descriptor(usb_dev, &desc);
res = libusb_get_active_config_descriptor(usb_dev, &conf_desc);
@@ -959,6 +993,7 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path, int bExclusive)
break;
}
good_open = 1;
#ifdef DETACH_KERNEL_DRIVER
/* Detach the kernel driver, but only if the
device is managed by the kernel */
@@ -973,6 +1008,7 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path, int bExclusive)
}
}
#endif
res = libusb_claim_interface(dev->device_handle, intf_desc->bInterfaceNumber);
if (res < 0) {
LOG("can't claim interface %d: %d\n", intf_desc->bInterfaceNumber, res);
@@ -982,6 +1018,11 @@ hid_device * HID_API_EXPORT hid_open_path(const char *path, int bExclusive)
break;
}
/* Initialize XBox One controllers */
if (is_xboxone(desc.idVendor, intf_desc)) {
init_xboxone(dev->device_handle, conf_desc);
}
/* Store off the string descriptor indexes */
dev->manufacturer_index = desc.iManufacturer;
dev->product_index = desc.iProduct;