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Greatly improved Nintendo Joy-Con support using the HIDAPI driver
* Added support for mini-gamepad mode for Joy-Con controllers, matching the mapping for hid-nintendo on Linux and iOS 16 * Added the ability to merge left and right Joy-Con controllers into a single Pro-style controller * Added the hint SDL_HINT_JOYSTICK_HIDAPI_SWITCH_COMBINE_JOY_CONS to control this merging functionality * Removed the hint SDL_HINT_JOYSTICK_HIDAPI_JOY_CONS
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Sam Lantinga
parent
dfed862a66
commit
ab967475c6
214
src/joystick/hidapi/SDL_hidapi_combined.c
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src/joystick/hidapi/SDL_hidapi_combined.c
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/* This driver supports the Nintendo Switch Joy-Cons pair controllers */
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#include "../../SDL_internal.h"
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#ifdef SDL_JOYSTICK_HIDAPI
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#include "SDL_hints.h"
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#include "SDL_joystick.h"
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#include "SDL_gamecontroller.h"
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#include "SDL_hidapijoystick_c.h"
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static SDL_bool
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HIDAPI_DriverCombined_IsSupportedDevice(const char *name, SDL_GameControllerType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol)
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{
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/* This is always explicitly created for combined devices */
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return SDL_FALSE;
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}
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static const char *
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HIDAPI_DriverCombined_GetDeviceName(const char *name, Uint16 vendor_id, Uint16 product_id)
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{
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return NULL;
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}
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static SDL_bool
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HIDAPI_DriverCombined_InitDevice(SDL_HIDAPI_Device *device)
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{
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return HIDAPI_JoystickConnected(device, NULL);
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}
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static int
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HIDAPI_DriverCombined_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
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{
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return -1;
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}
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static void
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HIDAPI_DriverCombined_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
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{
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}
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static SDL_bool
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HIDAPI_DriverCombined_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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{
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int i;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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if (!child->driver->OpenJoystick(child, joystick)) {
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while (i-- > 0) {
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SDL_HIDAPI_Device *child = device->children[i];
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child->driver->CloseJoystick(child, joystick);
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}
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return SDL_FALSE;
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}
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}
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return SDL_TRUE;
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}
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static int
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HIDAPI_DriverCombined_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
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{
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int i;
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int result = -1;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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if (child->driver->RumbleJoystick(child, joystick, low_frequency_rumble, high_frequency_rumble) == 0) {
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result = 0;
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}
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}
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return result;
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}
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static int
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HIDAPI_DriverCombined_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
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{
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int i;
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int result = -1;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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if (child->driver->RumbleJoystickTriggers(child, joystick, left_rumble, right_rumble) == 0) {
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result = 0;
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}
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}
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return result;
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}
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static Uint32
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HIDAPI_DriverCombined_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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{
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int i;
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Uint32 caps = 0;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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caps |= child->driver->GetJoystickCapabilities(child, joystick);
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}
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return caps;
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}
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static int
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HIDAPI_DriverCombined_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
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{
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int i;
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int result = -1;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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if (child->driver->SetJoystickLED(child, joystick, red, green, blue) == 0) {
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result = 0;
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}
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}
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return result;
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}
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static int
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HIDAPI_DriverCombined_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size)
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{
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return SDL_Unsupported();
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}
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static int
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HIDAPI_DriverCombined_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, SDL_bool enabled)
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{
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int i;
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int result = -1;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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if (child->driver->SetJoystickSensorsEnabled(child, joystick, enabled) == 0) {
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result = 0;
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}
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}
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return result;
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}
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static SDL_bool
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HIDAPI_DriverCombined_UpdateDevice(SDL_HIDAPI_Device *device)
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{
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int i;
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int result = SDL_TRUE;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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if (!child->driver->UpdateDevice(child)) {
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result = SDL_FALSE;
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}
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}
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return result;
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}
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static void
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HIDAPI_DriverCombined_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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{
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int i;
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for (i = 0; i < device->num_children; ++i) {
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SDL_HIDAPI_Device *child = device->children[i];
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child->driver->CloseJoystick(child, joystick);
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}
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}
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static void
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HIDAPI_DriverCombined_FreeDevice(SDL_HIDAPI_Device *device)
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{
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}
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SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverCombined =
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{
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SDL_HINT_JOYSTICK_HIDAPI,
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SDL_TRUE,
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SDL_TRUE,
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HIDAPI_DriverCombined_IsSupportedDevice,
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HIDAPI_DriverCombined_GetDeviceName,
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HIDAPI_DriverCombined_InitDevice,
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HIDAPI_DriverCombined_GetDevicePlayerIndex,
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HIDAPI_DriverCombined_SetDevicePlayerIndex,
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HIDAPI_DriverCombined_UpdateDevice,
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HIDAPI_DriverCombined_OpenJoystick,
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HIDAPI_DriverCombined_RumbleJoystick,
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HIDAPI_DriverCombined_RumbleJoystickTriggers,
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HIDAPI_DriverCombined_GetJoystickCapabilities,
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HIDAPI_DriverCombined_SetJoystickLED,
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HIDAPI_DriverCombined_SendJoystickEffect,
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HIDAPI_DriverCombined_SetJoystickSensorsEnabled,
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HIDAPI_DriverCombined_CloseJoystick,
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HIDAPI_DriverCombined_FreeDevice,
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};
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#endif /* SDL_JOYSTICK_HIDAPI */
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/* vi: set ts=4 sw=4 expandtab: */
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