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Added support for the Xbox One S controller in Bluetooth mode on Linux
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@slouken
slouken committed Nov 17, 2019
1 parent 9d4c3f1 commit 9ca5373
Showing 1 changed file with 129 additions and 18 deletions.
147 changes: 129 additions & 18 deletions src/joystick/hidapi/SDL_hidapi_xboxone.c
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Expand Up @@ -148,6 +148,7 @@ HIDAPI_DriverXboxOne_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor
SDL_DriverXboxOne_Context *ctx;
int i;
Uint8 init_packet[USB_PACKET_LENGTH];
SDL_bool is_bluetooth = SDL_FALSE;

ctx = (SDL_DriverXboxOne_Context *)SDL_calloc(1, sizeof(*ctx));
if (!ctx) {
Expand All @@ -156,16 +157,21 @@ HIDAPI_DriverXboxOne_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor
}
*context = ctx;

/* Send the controller init data */
for (i = 0; i < SDL_arraysize(xboxone_init_packets); ++i) {
const SDL_DriverXboxOne_InitPacket *packet = &xboxone_init_packets[i];
if (!packet->vendor_id || (vendor_id == packet->vendor_id && product_id == packet->product_id)) {
SDL_memcpy(init_packet, packet->data, packet->size);
init_packet[2] = ctx->sequence++;
if (hid_write(dev, init_packet, packet->size) != packet->size) {
SDL_SetError("Couldn't write Xbox One initialization packet");
SDL_free(ctx);
return SDL_FALSE;
if (vendor_id == 0x045e && product_id == 0x02fd) {
is_bluetooth = SDL_TRUE;
}
if (!is_bluetooth) {
/* Send the controller init data */
for (i = 0; i < SDL_arraysize(xboxone_init_packets); ++i) {
const SDL_DriverXboxOne_InitPacket *packet = &xboxone_init_packets[i];
if (!packet->vendor_id || (vendor_id == packet->vendor_id && product_id == packet->product_id)) {
SDL_memcpy(init_packet, packet->data, packet->size);
init_packet[2] = ctx->sequence++;
if (hid_write(dev, init_packet, packet->size) != packet->size) {
SDL_SetError("Couldn't write Xbox One initialization packet");
SDL_free(ctx);
return SDL_FALSE;
}
}
}
}
Expand All @@ -184,15 +190,10 @@ HIDAPI_DriverXboxOne_Rumble(SDL_Joystick *joystick, hid_device *dev, void *conte
SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)context;
Uint8 rumble_packet[] = { 0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF };

/* The Rock Candy Xbox One Controller limits the range of
low frequency rumble strength in the range of [0 - 0x99]
high frequency rumble strength in the range of [0 - 0x82]
I think the valid range of rumble at the firmware level is [0 - 0x7F]
*/
/* Magnitude is 1..100 so scale the 16-bit input here */
rumble_packet[2] = ctx->sequence++;
rumble_packet[8] = (low_frequency_rumble >> 9);
rumble_packet[9] = (high_frequency_rumble >> 9);
rumble_packet[8] = low_frequency_rumble / 655;
rumble_packet[9] = high_frequency_rumble / 655;

if (hid_write(dev, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) {
return SDL_SetError("Couldn't send rumble packet");
Expand Down Expand Up @@ -266,6 +267,100 @@ HIDAPI_DriverXboxOne_HandleModePacket(SDL_Joystick *joystick, hid_device *dev, S
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[4] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
}

static void
HIDAPI_DriverXboxOne_HandleBluetoothStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXboxOne_Context *ctx, Uint8 *data, int size)
{
Sint16 axis;

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_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);
}

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]) {
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);
}

axis = ((int)*(Sint16*)(&data[9]) * 64) - 32768;
if (axis == 32704) {
axis = 32767;
}
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
axis = ((int)*(Sint16*)(&data[11]) * 64) - 32768;
if (axis == 32704) {
axis = 32767;
}
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
axis = *(Uint16*)(&data[1]) - 32768;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
axis = *(Uint16*)(&data[3]) - 32768;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
axis = *(Uint16*)(&data[5]) - 32768;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
axis = *(Uint16*)(&data[7]) - 32768;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);

SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state)));
}

static void
HIDAPI_DriverXboxOne_HandleBluetoothModePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXboxOne_Context *ctx, Uint8 *data, int size)
{
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[1] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
}

static SDL_bool
HIDAPI_DriverXboxOne_Update(SDL_Joystick *joystick, hid_device *dev, void *context)
{
Expand All @@ -274,7 +369,23 @@ HIDAPI_DriverXboxOne_Update(SDL_Joystick *joystick, hid_device *dev, void *conte
int size;

while ((size = hid_read_timeout(dev, data, sizeof(data), 0)) > 0) {
#ifdef DEBUG_XBOX_PROTOCOL
SDL_Log("Xbox One packet: size = %d\n"
" 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x\n"
" 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x\n"
" 0x%.2x 0x%.2x 0x%.2x 0x%.2x\n",
size,
data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7],
data[8], data[9], data[10], data[11], data[12], data[13], data[14], data[15],
data[16], data[17], data[18], data[19]);
#endif
switch (data[0]) {
case 0x01:
HIDAPI_DriverXboxOne_HandleBluetoothStatePacket(joystick, dev, ctx, data, size);
break;
case 0x02:
HIDAPI_DriverXboxOne_HandleBluetoothModePacket(joystick, dev, ctx, data, size);
break;
case 0x20:
HIDAPI_DriverXboxOne_HandleStatePacket(joystick, dev, ctx, data, size);
break;
Expand Down

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