Added HIDAPI backend for Amazon Luna Controller Model T28B69 connected via Bluetooth LE (VID:0171, PID:0419).

To enter Bluetooth pairing mode hold B and Action (button with circle) buttons for 3 seconds.

It works via usual HIDAPI if special filter driver is not installed:
https://www.amazon.com/gp/help/customer/display.html?nodeId=GZCT4CTFHXLHEB9T

With that driver installed it mimics Xbox One controller and works via XInput under Windows.

Under DInput this controller is not usable at all.

VisualC/SDL/SDL.vcxproj

@@ -434,6 +434,7 @@
     <ClCompile Include="..\..\src\joystick\dummy\SDL_sysjoystick.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapijoystick.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_gamecube.c" />
+    <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_luna.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_ps4.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_ps5.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_rumble.c" />

VisualC/SDL/SDL.vcxproj.filters

@@ -377,6 +377,7 @@
     <ClCompile Include="..\..\src\hidapi\SDL_hidapi.c" />
     <ClCompile Include="..\..\src\joystick\dummy\SDL_sysjoystick.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_gamecube.c" />
+    <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_luna.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_ps4.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_ps5.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_rumble.c" />

include/SDL_gamecontroller.h

@@ -619,7 +619,7 @@ typedef enum
     SDL_CONTROLLER_BUTTON_DPAD_DOWN,
     SDL_CONTROLLER_BUTTON_DPAD_LEFT,
     SDL_CONTROLLER_BUTTON_DPAD_RIGHT,
-    SDL_CONTROLLER_BUTTON_MISC1,    /* Xbox Series X share button, PS5 microphone button, Nintendo Switch Pro capture button */
+    SDL_CONTROLLER_BUTTON_MISC1,    /* Xbox Series X share button, PS5 microphone button, Nintendo Switch Pro capture button, Amazon Luna microphone button */
     SDL_CONTROLLER_BUTTON_PADDLE1,  /* Xbox Elite paddle P1 */
     SDL_CONTROLLER_BUTTON_PADDLE2,  /* Xbox Elite paddle P3 */
     SDL_CONTROLLER_BUTTON_PADDLE3,  /* Xbox Elite paddle P2 */

include/SDL_hints.h

@@ -751,6 +751,17 @@ extern "C" {
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_GAMECUBE "SDL_JOYSTICK_HIDAPI_GAMECUBE"
 
+ /**
+  *  \brief  A variable controlling whether the HIDAPI driver for Amazon Luna controllers connected via Bluetooth should be used.
+  *
+  *  This variable can be set to the following values:
+  *    "0"       - HIDAPI driver is not used
+  *    "1"       - HIDAPI driver is used
+  *
+  *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+  */
+#define SDL_HINT_JOYSTICK_HIDAPI_LUNA "SDL_JOYSTICK_HIDAPI_LUNA"
+
 /**
  *  \brief  A variable that controls whether Steam Controllers should be exposed using the SDL joystick and game controller APIs
  *

src/joystick/SDL_gamecontrollerdb.h

@@ -96,7 +96,6 @@ static const char *s_ControllerMappings [] =
     "030000006f0e00001a01000000000000,Afterglow PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,",
     "03000000d62000001d57000000000000,Airflo PS3 Controller,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,",
     "03000000491900001904000000000000,Amazon Luna Controller,a:b0,b:b1,back:b6,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b8,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,misc1:b9,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b7,x:b2,y:b3,",
-    "03000000710100001904000000000000,Amazon Luna Controller,a:b1,b:b0,back:b10,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b11,leftshoulder:b5,leftstick:b8,leftx:a0,lefty:a1,misc1:b9,rightshoulder:b4,rightstick:b7,rightx:a3,righty:a4,start:b6,x:b3,y:b2,",
     "03000000d62000002a79000000000000,BDA PS4 Fightpad,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:a3,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:a4,rightx:a2,righty:a5,start:b9,x:b0,y:b3,",
     "03000000d81d00000b00000000000000,BUFFALO BSGP1601 Series ,a:b5,b:b3,back:b12,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,leftshoulder:b8,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b9,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b13,x:b4,y:b2,",
     "03000000d6200000e557000000000000,Batarang,a:b1,b:b2,back:b8,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,dpup:h0.1,guide:b12,leftshoulder:b4,leftstick:b10,lefttrigger:b6,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b11,righttrigger:b7,rightx:a2,righty:a3,start:b9,x:b0,y:b3,",

src/joystick/hidapi/SDL_hidapi_luna.c

@@ -0,0 +1,348 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifdef SDL_JOYSTICK_HIDAPI
+
+#include "SDL_hints.h"
+#include "SDL_events.h"
+#include "SDL_joystick.h"
+#include "SDL_gamecontroller.h"
+#include "../SDL_sysjoystick.h"
+#include "SDL_hidapijoystick_c.h"
+#include "SDL_hidapi_rumble.h"
+
+
+#ifdef SDL_JOYSTICK_HIDAPI_LUNA
+
+/* Define this if you want to log all packets from the controller */
+/*#define DEBUG_LUNA_PROTOCOL*/
+
+enum
+{
+    SDL_CONTROLLER_BUTTON_LUNA_MIC = 15,
+    SDL_CONTROLLER_NUM_LUNA_BUTTONS,
+};
+
+typedef struct {
+    Uint8 last_state[USB_PACKET_LENGTH];
+} SDL_DriverLuna_Context;
+
+
+static SDL_bool
+HIDAPI_DriverLuna_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)
+{
+    if (vendor_id == BLUETOOTH_VENDOR_AMAZON && product_id == BLUETOOTH_PRODUCT_LUNA_CONTROLLER) {
+        return SDL_TRUE;
+    }
+    return SDL_FALSE;
+}
+
+static const char *
+HIDAPI_DriverLuna_GetDeviceName(Uint16 vendor_id, Uint16 product_id)
+{
+    return "Amazon Luna Controller";
+}
+
+static SDL_bool
+HIDAPI_DriverLuna_InitDevice(SDL_HIDAPI_Device *device)
+{
+    return HIDAPI_JoystickConnected(device, NULL);
+}
+
+static int
+HIDAPI_DriverLuna_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
+{
+    return -1;
+}
+
+static void
+HIDAPI_DriverLuna_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
+{
+}
+
+static SDL_bool
+HIDAPI_DriverLuna_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    SDL_DriverLuna_Context *ctx;
+
+    ctx = (SDL_DriverLuna_Context *)SDL_calloc(1, sizeof(*ctx));
+    if (!ctx) {
+        SDL_OutOfMemory();
+        return SDL_FALSE;
+    }
+
+    device->dev = hid_open_path(device->path, 0);
+    if (!device->dev) {
+        SDL_SetError("Couldn't open %s", device->path);
+        SDL_free(ctx);
+        return SDL_FALSE;
+    }
+    device->context = ctx;
+
+    /* Initialize the joystick capabilities */
+    joystick->nbuttons = SDL_CONTROLLER_NUM_LUNA_BUTTONS;
+    joystick->naxes = SDL_CONTROLLER_AXIS_MAX;
+    joystick->epowerlevel = SDL_JOYSTICK_POWER_FULL;
+    joystick->serial = NULL;
+
+    return SDL_TRUE;
+}
+
+static int
+HIDAPI_DriverLuna_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
+{
+    /* Same packet as on Xbox One controllers connected via Bluetooth */
+    Uint8 rumble_packet[] = { 0x03, 0x0F, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xEB };
+
+    /* Magnitude is 1..100 so scale the 16-bit input here */
+    rumble_packet[4] = low_frequency_rumble / 655;
+    rumble_packet[5] = high_frequency_rumble / 655;
+
+    if (SDL_HIDAPI_SendRumble(device, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) {
+        return SDL_SetError("Couldn't send rumble packet");
+    }
+
+    return 0;
+}
+
+static int
+HIDAPI_DriverLuna_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
+{
+    return SDL_Unsupported();
+}
+
+static SDL_bool
+HIDAPI_DriverLuna_HasJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    return SDL_FALSE;
+}
+
+static int
+HIDAPI_DriverLuna_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
+{
+    return SDL_Unsupported();
+}
+
+static int
+HIDAPI_DriverLuna_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, SDL_bool enabled)
+{
+    return SDL_Unsupported();
+}
+
+static void
+HIDAPI_DriverLuna_HandleStatePacket(SDL_Joystick *joystick, SDL_DriverLuna_Context *ctx, Uint8 *data, int size)
+{
+    if (size >= 2 && data[0] == 0x02) {
+        /* Home button has dedicated report */
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[1] & 0x1) ? SDL_PRESSED : SDL_RELEASED);
+        return;
+    }
+
+    if (size >= 2 && data[0] == 0x04) {
+        /* Battery level report */
+        int level = data[1] * 100 / 0xFF;
+        if (level == 0) {
+            joystick->epowerlevel = SDL_JOYSTICK_POWER_EMPTY;
+        }
+        else if (level <= 20) {
+            joystick->epowerlevel = SDL_JOYSTICK_POWER_LOW;
+        }
+        else if (level <= 70) {
+            joystick->epowerlevel = SDL_JOYSTICK_POWER_MEDIUM;
+        }
+        else {
+            joystick->epowerlevel = SDL_JOYSTICK_POWER_FULL;
+        }
+
+        return;
+    }
+
+    if (size < 17 || data[0] != 0x01) {
+        /* We don't know how to handle this report */
+        return;
+    }
+
+    if (ctx->last_state[13] != data[13]) {
+        SDL_bool dpad_up = SDL_FALSE;
+        SDL_bool dpad_down = SDL_FALSE;
+        SDL_bool dpad_left = SDL_FALSE;
+        SDL_bool dpad_right = SDL_FALSE;
+
+        switch (data[13] & 0xf) {
+        case 1:
+            dpad_up = SDL_TRUE;
+            break;
+        case 2:
+            dpad_up = SDL_TRUE;
+            dpad_right = SDL_TRUE;
+            break;
+        case 3:
+            dpad_right = SDL_TRUE;
+            break;
+        case 4:
+            dpad_right = SDL_TRUE;
+            dpad_down = SDL_TRUE;
+            break;
+        case 5:
+            dpad_down = SDL_TRUE;
+            break;
+        case 6:
+            dpad_left = SDL_TRUE;
+            dpad_down = SDL_TRUE;
+            break;
+        case 7:
+            dpad_left = SDL_TRUE;
+            break;
+        case 8:
+            dpad_up = SDL_TRUE;
+            dpad_left = SDL_TRUE;
+            break;
+        default:
+            break;
+        }
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
+    }
+
+    if (ctx->last_state[14] != data[14]) {
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[14] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[14] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[14] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[14] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[14] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[14] & 0x80) ? SDL_PRESSED : SDL_RELEASED);
+    }
+    if (ctx->last_state[15] != data[15]) {
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LUNA_MIC, (data[15] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[15] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[15] & 0x20) ? SDL_PRESSED : SDL_RELEASED);
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[15] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
+    }
+    if (ctx->last_state[16] != data[16]) {
+        SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[16] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
+    }
+
+#define READ_STICK_AXIS(offset) \
+    (data[offset] == 0x7f ? 0 : \
+    (Sint16)HIDAPI_RemapVal((float)((int)(data[offset] - 0x7e)), 0x01 - 0x7f, 0xff - 0x7f, SDL_MIN_SINT16, SDL_MAX_SINT16))
+    {
+        Sint16 axis = READ_STICK_AXIS(2);
+        SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
+        axis = READ_STICK_AXIS(4);
+        SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
+        axis = READ_STICK_AXIS(6);
+        SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
+        axis = READ_STICK_AXIS(8);
+        SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
+    }
+#undef READ_STICK_AXIS
+
+#define READ_TRIGGER_AXIS(offset) \
+    (Sint16)HIDAPI_RemapVal((float)((int)(((data[offset] | (data[offset + 1] << 8)) & 0x3ff) - 0x200)), 0x00 - 0x200, 0x3ff - 0x200, SDL_MIN_SINT16, SDL_MAX_SINT16)
+    {
+        Sint16 axis = READ_TRIGGER_AXIS(9);
+        SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
+        axis = READ_TRIGGER_AXIS(11);
+        SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
+    }
+#undef READ_TRIGGER_AXIS
+
+    SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state)));
+}
+
+static SDL_bool
+HIDAPI_DriverLuna_UpdateDevice(SDL_HIDAPI_Device *device)
+{
+    SDL_DriverLuna_Context *ctx = (SDL_DriverLuna_Context *)device->context;
+    SDL_Joystick *joystick = NULL;
+    Uint8 data[USB_PACKET_LENGTH];
+    int size = 0;
+
+    if (device->num_joysticks > 0) {
+        joystick = SDL_JoystickFromInstanceID(device->joysticks[0]);
+    }
+    if (!joystick) {
+        return SDL_FALSE;
+    }
+
+    while ((size = hid_read_timeout(device->dev, data, sizeof(data), 0)) > 0) {
+#ifdef DEBUG_LUNA_PROTOCOL
+        HIDAPI_DumpPacket("Amazon Luna packet: size = %d", data, size);
+#endif
+        HIDAPI_DriverLuna_HandleStatePacket(joystick, ctx, data, size);
+    }
+
+    if (size < 0) {
+        /* Read error, device is disconnected */
+        HIDAPI_JoystickDisconnected(device, joystick->instance_id);
+    }
+    return (size >= 0);
+}
+
+static void
+HIDAPI_DriverLuna_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    SDL_LockMutex(device->dev_lock);
+    {
+        if (device->dev) {
+            hid_close(device->dev);
+            device->dev = NULL;
+        }
+
+        SDL_free(device->context);
+        device->context = NULL;
+    }
+    SDL_UnlockMutex(device->dev_lock);
+}
+
+static void
+HIDAPI_DriverLuna_FreeDevice(SDL_HIDAPI_Device *device)
+{
+}
+
+SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverLuna =
+{
+    SDL_HINT_JOYSTICK_HIDAPI_LUNA,
+    SDL_TRUE,
+    HIDAPI_DriverLuna_IsSupportedDevice,
+    HIDAPI_DriverLuna_GetDeviceName,
+    HIDAPI_DriverLuna_InitDevice,
+    HIDAPI_DriverLuna_GetDevicePlayerIndex,
+    HIDAPI_DriverLuna_SetDevicePlayerIndex,
+    HIDAPI_DriverLuna_UpdateDevice,
+    HIDAPI_DriverLuna_OpenJoystick,
+    HIDAPI_DriverLuna_RumbleJoystick,
+    HIDAPI_DriverLuna_RumbleJoystickTriggers,
+    HIDAPI_DriverLuna_HasJoystickLED,
+    HIDAPI_DriverLuna_SetJoystickLED,
+    HIDAPI_DriverLuna_SetJoystickSensorsEnabled,
+    HIDAPI_DriverLuna_CloseJoystick,
+    HIDAPI_DriverLuna_FreeDevice,
+};
+
+#endif /* SDL_JOYSTICK_HIDAPI_LUNA */
+
+#endif /* SDL_JOYSTICK_HIDAPI */
+
+/* vi: set ts=4 sw=4 expandtab: */

src/joystick/hidapi/SDL_hidapijoystick.c

@@ -81,6 +81,9 @@ static SDL_HIDAPI_DeviceDriver *SDL_HIDAPI_drivers[] = {
 #ifdef SDL_JOYSTICK_HIDAPI_GAMECUBE
     &SDL_HIDAPI_DriverGameCube,
 #endif
+#ifdef SDL_JOYSTICK_HIDAPI_LUNA
+    &SDL_HIDAPI_DriverLuna,
+#endif
 #ifdef SDL_JOYSTICK_HIDAPI_PS4
     &SDL_HIDAPI_DriverPS4,
 #endif

src/joystick/hidapi/SDL_hidapijoystick_c.h

@@ -32,6 +32,7 @@
 
 /* This is the full set of HIDAPI drivers available */
 #define SDL_JOYSTICK_HIDAPI_GAMECUBE
+#define SDL_JOYSTICK_HIDAPI_LUNA
 #define SDL_JOYSTICK_HIDAPI_PS4
 #define SDL_JOYSTICK_HIDAPI_PS5
 #define SDL_JOYSTICK_HIDAPI_STADIA
@@ -107,6 +108,7 @@ typedef struct _SDL_HIDAPI_DeviceDriver
 
 /* HIDAPI device support */
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverGameCube;
+extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverLuna;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS4;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS5;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverStadia;

src/joystick/usb_ids.h

@@ -93,6 +93,12 @@
 #define USB_USAGE_GENERIC_WHEEL                 0x0038
 #define USB_USAGE_GENERIC_HAT                   0x0039
 
+/* Bluetooth SIG assigned Company Identifiers
+   https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers/ */
+#define BLUETOOTH_VENDOR_AMAZON                 0x0171
+
+#define BLUETOOTH_PRODUCT_LUNA_CONTROLLER       0x0419
+
 #endif /* usb_ids_h_ */
 
 /* vi: set ts=4 sw=4 expandtab: */