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hidapi: Add support for NSO GameCube controller via libusb.

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Thanks to Nohzockt for the initial libusb init and hidapi polling work!
This commit is contained in:
Ethan Lee
2025-07-05 14:52:06 -04:00
committed by Sam Lantinga
parent efea62ed61
commit a798da2ec7
6 changed files with 225 additions and 4 deletions
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15
src/hidapi/SDL_hidapi.c
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@@ -752,6 +752,14 @@ static struct
int *actual_length,
unsigned int timeout
);
int (LIBUSB_CALL *bulk_transfer)(
libusb_device_handle *dev_handle,
unsigned char endpoint,
unsigned char *data,
int length,
int *transferred,
unsigned int timeout
);
int (LIBUSB_CALL *handle_events)(libusb_context *ctx);
int (LIBUSB_CALL *handle_events_completed)(libusb_context *ctx, int *completed);
const char * (LIBUSB_CALL *error_name)(int errcode);
@@ -785,6 +793,7 @@ static struct
#define libusb_free_transfer libusb_ctx.free_transfer
#define libusb_control_transfer libusb_ctx.control_transfer
#define libusb_interrupt_transfer libusb_ctx.interrupt_transfer
#define libusb_bulk_transfer libusb_ctx.bulk_transfer
#define libusb_handle_events libusb_ctx.handle_events
#define libusb_handle_events_completed libusb_ctx.handle_events_completed
#define libusb_error_name libusb_ctx.error_name
@@ -852,6 +861,7 @@ typedef struct LIBUSB_hid_device_ LIBUSB_hid_device;
#undef libusb_free_transfer
#undef libusb_control_transfer
#undef libusb_interrupt_transfer
#undef libusb_bulk_transfer
#undef libusb_handle_events
#undef libusb_handle_events_completed
#undef libusb_error_name
@@ -898,7 +908,9 @@ static const struct {
Uint16 vendor;
Uint16 product;
} SDL_libusb_whitelist[] = {
{ 0x057e, 0x0337 } // Nintendo WUP-028, Wii U/Switch GameCube Adapter
{ USB_VENDOR_NINTENDO, USB_PRODUCT_NINTENDO_GAMECUBE_ADAPTER },
{ USB_VENDOR_NINTENDO, USB_PRODUCT_NINTENDO_SWITCH2_PRO },
{ USB_VENDOR_NINTENDO, USB_PRODUCT_NINTENDO_SWITCH2_GAMECUBE_CONTROLLER },
};
static bool IsInWhitelist(Uint16 vendor, Uint16 product)
@@ -1221,6 +1233,7 @@ int SDL_hid_init(void)
LOAD_LIBUSB_SYMBOL(void (LIBUSB_CALL *)(struct libusb_transfer *), free_transfer)
LOAD_LIBUSB_SYMBOL(int (LIBUSB_CALL *)(libusb_device_handle *, uint8_t, uint8_t, uint16_t, uint16_t, unsigned char *, uint16_t, unsigned int), control_transfer)
LOAD_LIBUSB_SYMBOL(int (LIBUSB_CALL *)(libusb_device_handle *, unsigned char, unsigned char *, int, int *, unsigned int), interrupt_transfer)
LOAD_LIBUSB_SYMBOL(int (LIBUSB_CALL *)(libusb_device_handle *, unsigned char, unsigned char *, int, int *, unsigned int), bulk_transfer)
LOAD_LIBUSB_SYMBOL(int (LIBUSB_CALL *)(libusb_context *), handle_events)
LOAD_LIBUSB_SYMBOL(int (LIBUSB_CALL *)(libusb_context *, int *), handle_events_completed)
LOAD_LIBUSB_SYMBOL(const char * (LIBUSB_CALL *)(int), error_name)