1 | /* |
2 | Simple DirectMedia Layer |
3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> |
4 | |
5 | This software is provided 'as-is', without any express or implied |
6 | warranty. In no event will the authors be held liable for any damages |
7 | arising from the use of this software. |
8 | |
9 | Permission is granted to anyone to use this software for any purpose, |
10 | including commercial applications, and to alter it and redistribute it |
11 | freely, subject to the following restrictions: |
12 | |
13 | 1. The origin of this software must not be misrepresented; you must not |
14 | claim that you wrote the original software. If you use this software |
15 | in a product, an acknowledgment in the product documentation would be |
16 | appreciated but is not required. |
17 | 2. Altered source versions must be plainly marked as such, and must not be |
18 | misrepresented as being the original software. |
19 | 3. This notice may not be removed or altered from any source distribution. |
20 | */ |
21 | #include "SDL_internal.h" |
22 | |
23 | #ifdef SDL_JOYSTICK_HIDAPI |
24 | |
25 | #include "../../SDL_hints_c.h" |
26 | #include "../SDL_sysjoystick.h" |
27 | #include "SDL_hidapijoystick_c.h" |
28 | #include "SDL_hidapi_rumble.h" |
29 | |
30 | #ifdef SDL_JOYSTICK_HIDAPI_XBOX360 |
31 | |
32 | // Define this if you want to log all packets from the controller |
33 | // #define DEBUG_XBOX_PROTOCOL |
34 | |
35 | typedef struct |
36 | { |
37 | SDL_HIDAPI_Device *device; |
38 | bool connected; |
39 | int player_index; |
40 | bool player_lights; |
41 | Uint8 last_state[USB_PACKET_LENGTH]; |
42 | } SDL_DriverXbox360W_Context; |
43 | |
44 | static void HIDAPI_DriverXbox360W_RegisterHints(SDL_HintCallback callback, void *userdata) |
45 | { |
46 | SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX, callback, userdata); |
47 | SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360, callback, userdata); |
48 | SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360_WIRELESS, callback, userdata); |
49 | } |
50 | |
51 | static void HIDAPI_DriverXbox360W_UnregisterHints(SDL_HintCallback callback, void *userdata) |
52 | { |
53 | SDL_RemoveHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX, callback, userdata); |
54 | SDL_RemoveHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360, callback, userdata); |
55 | SDL_RemoveHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360_WIRELESS, callback, userdata); |
56 | } |
57 | |
58 | static bool HIDAPI_DriverXbox360W_IsEnabled(void) |
59 | { |
60 | return SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360_WIRELESS, |
61 | SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360, SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_XBOX, SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI, SDL_HIDAPI_DEFAULT)))); |
62 | } |
63 | |
64 | static bool HIDAPI_DriverXbox360W_IsSupportedDevice(SDL_HIDAPI_Device *device, const char *name, SDL_GamepadType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol) |
65 | { |
66 | const int XB360W_IFACE_PROTOCOL = 129; // Wireless |
67 | |
68 | if ((vendor_id == USB_VENDOR_MICROSOFT && (product_id == USB_PRODUCT_XBOX360_WIRELESS_RECEIVER_THIRDPARTY2 || product_id == USB_PRODUCT_XBOX360_WIRELESS_RECEIVER_THIRDPARTY1 || product_id == USB_PRODUCT_XBOX360_WIRELESS_RECEIVER) && interface_protocol == 0) || |
69 | (type == SDL_GAMEPAD_TYPE_XBOX360 && interface_protocol == XB360W_IFACE_PROTOCOL)) { |
70 | return true; |
71 | } |
72 | return false; |
73 | } |
74 | |
75 | static bool SetSlotLED(SDL_hid_device *dev, Uint8 slot, bool on) |
76 | { |
77 | const bool blink = false; |
78 | Uint8 mode = on ? ((blink ? 0x02 : 0x06) + slot) : 0; |
79 | Uint8 led_packet[] = { 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
80 | |
81 | led_packet[3] = 0x40 + (mode % 0x0e); |
82 | if (SDL_hid_write(dev, led_packet, sizeof(led_packet)) != sizeof(led_packet)) { |
83 | return false; |
84 | } |
85 | return true; |
86 | } |
87 | |
88 | static void UpdateSlotLED(SDL_DriverXbox360W_Context *ctx) |
89 | { |
90 | if (ctx->player_lights && ctx->player_index >= 0) { |
91 | SetSlotLED(ctx->device->dev, (ctx->player_index % 4), true); |
92 | } else { |
93 | SetSlotLED(ctx->device->dev, 0, false); |
94 | } |
95 | } |
96 | |
97 | static void SDLCALL SDL_PlayerLEDHintChanged(void *userdata, const char *name, const char *oldValue, const char *hint) |
98 | { |
99 | SDL_DriverXbox360W_Context *ctx = (SDL_DriverXbox360W_Context *)userdata; |
100 | bool player_lights = SDL_GetStringBoolean(hint, true); |
101 | |
102 | if (player_lights != ctx->player_lights) { |
103 | ctx->player_lights = player_lights; |
104 | |
105 | UpdateSlotLED(ctx); |
106 | HIDAPI_UpdateDeviceProperties(ctx->device); |
107 | } |
108 | } |
109 | |
110 | static void UpdatePowerLevel(SDL_Joystick *joystick, Uint8 level) |
111 | { |
112 | int percent = (int)SDL_roundf((level / 255.0f) * 100.0f); |
113 | SDL_SendJoystickPowerInfo(joystick, SDL_POWERSTATE_ON_BATTERY, percent); |
114 | } |
115 | |
116 | static bool HIDAPI_DriverXbox360W_InitDevice(SDL_HIDAPI_Device *device) |
117 | { |
118 | SDL_DriverXbox360W_Context *ctx; |
119 | |
120 | // Requests controller presence information from the wireless dongle |
121 | const Uint8 init_packet[] = { 0x08, 0x00, 0x0F, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
122 | |
123 | HIDAPI_SetDeviceName(device, "Xbox 360 Wireless Controller" ); |
124 | |
125 | ctx = (SDL_DriverXbox360W_Context *)SDL_calloc(1, sizeof(*ctx)); |
126 | if (!ctx) { |
127 | return false; |
128 | } |
129 | ctx->device = device; |
130 | |
131 | device->context = ctx; |
132 | |
133 | if (SDL_hid_write(device->dev, init_packet, sizeof(init_packet)) != sizeof(init_packet)) { |
134 | SDL_SetError("Couldn't write init packet" ); |
135 | return false; |
136 | } |
137 | |
138 | device->type = SDL_GAMEPAD_TYPE_XBOX360; |
139 | |
140 | return true; |
141 | } |
142 | |
143 | static int HIDAPI_DriverXbox360W_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id) |
144 | { |
145 | return -1; |
146 | } |
147 | |
148 | static void HIDAPI_DriverXbox360W_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index) |
149 | { |
150 | SDL_DriverXbox360W_Context *ctx = (SDL_DriverXbox360W_Context *)device->context; |
151 | |
152 | if (!ctx) { |
153 | return; |
154 | } |
155 | |
156 | ctx->player_index = player_index; |
157 | |
158 | UpdateSlotLED(ctx); |
159 | } |
160 | |
161 | static bool HIDAPI_DriverXbox360W_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick) |
162 | { |
163 | SDL_DriverXbox360W_Context *ctx = (SDL_DriverXbox360W_Context *)device->context; |
164 | |
165 | SDL_AssertJoysticksLocked(); |
166 | |
167 | SDL_zeroa(ctx->last_state); |
168 | |
169 | // Initialize player index (needed for setting LEDs) |
170 | ctx->player_index = SDL_GetJoystickPlayerIndex(joystick); |
171 | ctx->player_lights = SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360_PLAYER_LED, true); |
172 | UpdateSlotLED(ctx); |
173 | |
174 | SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360_PLAYER_LED, |
175 | SDL_PlayerLEDHintChanged, ctx); |
176 | |
177 | // Initialize the joystick capabilities |
178 | joystick->nbuttons = 11; |
179 | joystick->naxes = SDL_GAMEPAD_AXIS_COUNT; |
180 | joystick->nhats = 1; |
181 | joystick->connection_state = SDL_JOYSTICK_CONNECTION_WIRELESS; |
182 | |
183 | return true; |
184 | } |
185 | |
186 | static bool HIDAPI_DriverXbox360W_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble) |
187 | { |
188 | Uint8 rumble_packet[] = { 0x00, 0x01, 0x0f, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
189 | |
190 | rumble_packet[5] = (low_frequency_rumble >> 8); |
191 | rumble_packet[6] = (high_frequency_rumble >> 8); |
192 | |
193 | if (SDL_HIDAPI_SendRumble(device, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) { |
194 | return SDL_SetError("Couldn't send rumble packet" ); |
195 | } |
196 | return true; |
197 | } |
198 | |
199 | static bool HIDAPI_DriverXbox360W_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble) |
200 | { |
201 | return SDL_Unsupported(); |
202 | } |
203 | |
204 | static Uint32 HIDAPI_DriverXbox360W_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick) |
205 | { |
206 | SDL_DriverXbox360W_Context *ctx = (SDL_DriverXbox360W_Context *)device->context; |
207 | Uint32 result = SDL_JOYSTICK_CAP_RUMBLE; |
208 | |
209 | if (ctx->player_lights) { |
210 | result |= SDL_JOYSTICK_CAP_PLAYER_LED; |
211 | } |
212 | return result; |
213 | } |
214 | |
215 | static bool HIDAPI_DriverXbox360W_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue) |
216 | { |
217 | return SDL_Unsupported(); |
218 | } |
219 | |
220 | static bool HIDAPI_DriverXbox360W_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size) |
221 | { |
222 | return SDL_Unsupported(); |
223 | } |
224 | |
225 | static bool HIDAPI_DriverXbox360W_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, bool enabled) |
226 | { |
227 | return SDL_Unsupported(); |
228 | } |
229 | |
230 | static void HIDAPI_DriverXbox360W_HandleStatePacket(SDL_Joystick *joystick, SDL_hid_device *dev, SDL_DriverXbox360W_Context *ctx, Uint8 *data, int size) |
231 | { |
232 | Sint16 axis; |
233 | const bool invert_y_axes = true; |
234 | Uint64 timestamp = SDL_GetTicksNS(); |
235 | |
236 | if (ctx->last_state[2] != data[2]) { |
237 | Uint8 hat = 0; |
238 | |
239 | if (data[2] & 0x01) { |
240 | hat |= SDL_HAT_UP; |
241 | } |
242 | if (data[2] & 0x02) { |
243 | hat |= SDL_HAT_DOWN; |
244 | } |
245 | if (data[2] & 0x04) { |
246 | hat |= SDL_HAT_LEFT; |
247 | } |
248 | if (data[2] & 0x08) { |
249 | hat |= SDL_HAT_RIGHT; |
250 | } |
251 | SDL_SendJoystickHat(timestamp, joystick, 0, hat); |
252 | |
253 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_START, ((data[2] & 0x10) != 0)); |
254 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_BACK, ((data[2] & 0x20) != 0)); |
255 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_LEFT_STICK, ((data[2] & 0x40) != 0)); |
256 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_RIGHT_STICK, ((data[2] & 0x80) != 0)); |
257 | } |
258 | |
259 | if (ctx->last_state[3] != data[3]) { |
260 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_LEFT_SHOULDER, ((data[3] & 0x01) != 0)); |
261 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER, ((data[3] & 0x02) != 0)); |
262 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_GUIDE, ((data[3] & 0x04) != 0)); |
263 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_SOUTH, ((data[3] & 0x10) != 0)); |
264 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_EAST, ((data[3] & 0x20) != 0)); |
265 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_WEST, ((data[3] & 0x40) != 0)); |
266 | SDL_SendJoystickButton(timestamp, joystick, SDL_GAMEPAD_BUTTON_NORTH, ((data[3] & 0x80) != 0)); |
267 | } |
268 | |
269 | axis = ((int)data[4] * 257) - 32768; |
270 | SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_LEFT_TRIGGER, axis); |
271 | axis = ((int)data[5] * 257) - 32768; |
272 | SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_RIGHT_TRIGGER, axis); |
273 | axis = SDL_Swap16LE(*(Sint16 *)(&data[6])); |
274 | SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_LEFTX, axis); |
275 | axis = SDL_Swap16LE(*(Sint16 *)(&data[8])); |
276 | if (invert_y_axes) { |
277 | axis = ~axis; |
278 | } |
279 | SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_LEFTY, axis); |
280 | axis = SDL_Swap16LE(*(Sint16 *)(&data[10])); |
281 | SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_RIGHTX, axis); |
282 | axis = SDL_Swap16LE(*(Sint16 *)(&data[12])); |
283 | if (invert_y_axes) { |
284 | axis = ~axis; |
285 | } |
286 | SDL_SendJoystickAxis(timestamp, joystick, SDL_GAMEPAD_AXIS_RIGHTY, axis); |
287 | |
288 | SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state))); |
289 | } |
290 | |
291 | static bool HIDAPI_DriverXbox360W_UpdateDevice(SDL_HIDAPI_Device *device) |
292 | { |
293 | SDL_DriverXbox360W_Context *ctx = (SDL_DriverXbox360W_Context *)device->context; |
294 | SDL_Joystick *joystick = NULL; |
295 | Uint8 data[USB_PACKET_LENGTH]; |
296 | int size; |
297 | |
298 | if (device->num_joysticks > 0) { |
299 | joystick = SDL_GetJoystickFromID(device->joysticks[0]); |
300 | } |
301 | |
302 | while ((size = SDL_hid_read_timeout(device->dev, data, sizeof(data), 0)) > 0) { |
303 | #ifdef DEBUG_XBOX_PROTOCOL |
304 | HIDAPI_DumpPacket("Xbox 360 wireless packet: size = %d" , data, size); |
305 | #endif |
306 | if (size == 2 && data[0] == 0x08) { |
307 | bool connected = (data[1] & 0x80) ? true : false; |
308 | #ifdef DEBUG_JOYSTICK |
309 | SDL_Log("Connected = %s" , connected ? "TRUE" : "FALSE" ); |
310 | #endif |
311 | if (connected != ctx->connected) { |
312 | ctx->connected = connected; |
313 | |
314 | if (connected) { |
315 | SDL_JoystickID joystickID; |
316 | |
317 | HIDAPI_JoystickConnected(device, &joystickID); |
318 | |
319 | } else if (device->num_joysticks > 0) { |
320 | HIDAPI_JoystickDisconnected(device, device->joysticks[0]); |
321 | } |
322 | } |
323 | } else if (size == 29 && data[0] == 0x00 && data[1] == 0x0f && data[2] == 0x00 && data[3] == 0xf0) { |
324 | // Serial number is data[7-13] |
325 | #ifdef DEBUG_JOYSTICK |
326 | SDL_Log("Battery status (initial): %d" , data[17]); |
327 | #endif |
328 | if (joystick) { |
329 | UpdatePowerLevel(joystick, data[17]); |
330 | } |
331 | } else if (size == 29 && data[0] == 0x00 && data[1] == 0x00 && data[2] == 0x00 && data[3] == 0x13) { |
332 | #ifdef DEBUG_JOYSTICK |
333 | SDL_Log("Battery status: %d" , data[4]); |
334 | #endif |
335 | if (joystick) { |
336 | UpdatePowerLevel(joystick, data[4]); |
337 | } |
338 | } else if (size == 29 && data[0] == 0x00 && (data[1] & 0x01) == 0x01) { |
339 | if (joystick) { |
340 | HIDAPI_DriverXbox360W_HandleStatePacket(joystick, device->dev, ctx, data + 4, size - 4); |
341 | } |
342 | } |
343 | } |
344 | |
345 | if (size < 0 && device->num_joysticks > 0) { |
346 | // Read error, device is disconnected |
347 | HIDAPI_JoystickDisconnected(device, device->joysticks[0]); |
348 | } |
349 | return (size >= 0); |
350 | } |
351 | |
352 | static void HIDAPI_DriverXbox360W_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick) |
353 | { |
354 | SDL_DriverXbox360W_Context *ctx = (SDL_DriverXbox360W_Context *)device->context; |
355 | |
356 | SDL_RemoveHintCallback(SDL_HINT_JOYSTICK_HIDAPI_XBOX_360_PLAYER_LED, |
357 | SDL_PlayerLEDHintChanged, ctx); |
358 | } |
359 | |
360 | static void HIDAPI_DriverXbox360W_FreeDevice(SDL_HIDAPI_Device *device) |
361 | { |
362 | } |
363 | |
364 | SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360W = { |
365 | SDL_HINT_JOYSTICK_HIDAPI_XBOX_360_WIRELESS, |
366 | true, |
367 | HIDAPI_DriverXbox360W_RegisterHints, |
368 | HIDAPI_DriverXbox360W_UnregisterHints, |
369 | HIDAPI_DriverXbox360W_IsEnabled, |
370 | HIDAPI_DriverXbox360W_IsSupportedDevice, |
371 | HIDAPI_DriverXbox360W_InitDevice, |
372 | HIDAPI_DriverXbox360W_GetDevicePlayerIndex, |
373 | HIDAPI_DriverXbox360W_SetDevicePlayerIndex, |
374 | HIDAPI_DriverXbox360W_UpdateDevice, |
375 | HIDAPI_DriverXbox360W_OpenJoystick, |
376 | HIDAPI_DriverXbox360W_RumbleJoystick, |
377 | HIDAPI_DriverXbox360W_RumbleJoystickTriggers, |
378 | HIDAPI_DriverXbox360W_GetJoystickCapabilities, |
379 | HIDAPI_DriverXbox360W_SetJoystickLED, |
380 | HIDAPI_DriverXbox360W_SendJoystickEffect, |
381 | HIDAPI_DriverXbox360W_SetJoystickSensorsEnabled, |
382 | HIDAPI_DriverXbox360W_CloseJoystick, |
383 | HIDAPI_DriverXbox360W_FreeDevice, |
384 | }; |
385 | |
386 | #endif // SDL_JOYSTICK_HIDAPI_XBOX360 |
387 | |
388 | #endif // SDL_JOYSTICK_HIDAPI |
389 | |