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Added support for reading the paddles on a Xbox Elite Series 2 controller in Bluetooth mode

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This commit is contained in:
Sam Lantinga 2020-11-09 22:39:33 -08:00
parent 02de820008
commit c3dea23120
2 changed files with 62 additions and 8 deletions
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3
src/joystick/SDL_joystick.c
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@ -1785,7 +1785,8 @@ SDL_IsJoystickXboxOneElite(Uint16 vendor_id, Uint16 product_id)
{
if (vendor_id == USB_VENDOR_MICROSOFT) {
if (product_id == USB_PRODUCT_XBOX_ONE_ELITE_SERIES_1 ||
product_id == USB_PRODUCT_XBOX_ONE_ELITE_SERIES_2) {
product_id == USB_PRODUCT_XBOX_ONE_ELITE_SERIES_2 ||
product_id == USB_PRODUCT_XBOX_ONE_ELITE_SERIES_2_BLUETOOTH) {
return SDL_TRUE;
}
}

67
src/joystick/hidapi/SDL_hidapi_xboxone.c
View file

@ -651,6 +651,60 @@ HIDAPI_DriverXboxOneBluetooth_HandleStatePacketV2(SDL_Joystick *joystick, hid_de
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
}
/*
Paddle bits:
P3: 0x04 (A) P1: 0x01 (B)
P4: 0x08 (X) P2: 0x02 (Y)
*/
if (ctx->has_paddles && (size == 39 || size == 55)) {
int paddle_index;
int button1_bit;
int button2_bit;
int button3_bit;
int button4_bit;
SDL_bool paddles_mapped;
if (size == 55) {
/* Initial firmware for the Xbox Elite Series 2 controller */
paddle_index = 33;
button1_bit = 0x01;
button2_bit = 0x02;
button3_bit = 0x04;
button4_bit = 0x08;
paddles_mapped = (data[35] != 0);
} else if (size == 39) {
/* Updated firmware for the Xbox Elite Series 2 controller */
paddle_index = 17;
button1_bit = 0x01;
button2_bit = 0x02;
button3_bit = 0x04;
button4_bit = 0x08;
paddles_mapped = (data[19] != 0);
}
#ifdef DEBUG_XBOX_PROTOCOL
SDL_Log(">>> Paddles: %d,%d,%d,%d mapped = %s\n",
(data[paddle_index] & button1_bit) ? 1 : 0,
(data[paddle_index] & button2_bit) ? 1 : 0,
(data[paddle_index] & button3_bit) ? 1 : 0,
(data[paddle_index] & button4_bit) ? 1 : 0,
paddles_mapped ? "TRUE" : "FALSE"
);
#endif
if (paddles_mapped) {
/* Respect that the paddles are being used for other controls and don't pass them on to the app */
data[paddle_index] = 0;
}
if (ctx->last_state[paddle_index] != data[paddle_index]) {
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_MISC1 + 0, (data[paddle_index] & button1_bit) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_MISC1 + 1, (data[paddle_index] & button2_bit) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_MISC1 + 2, (data[paddle_index] & button3_bit) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_MISC1 + 3, (data[paddle_index] & button4_bit) ? SDL_PRESSED : SDL_RELEASED);
}
}
axis = (int)*(Uint16*)(&data[1]) - 0x8000;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
axis = (int)*(Uint16*)(&data[3]) - 0x8000;
@ -717,15 +771,14 @@ HIDAPI_DriverXboxOne_UpdateDevice(SDL_HIDAPI_Device *device)
if (ctx->bluetooth) {
switch (data[0]) {
case 0x01:
switch (size) {
case 16:
if (size == 16) {
HIDAPI_DriverXboxOneBluetooth_HandleStatePacketV1(joystick, device->dev, ctx, data, size);
break;
case 17:
} else if (size > 16) {
HIDAPI_DriverXboxOneBluetooth_HandleStatePacketV2(joystick, device->dev, ctx, data, size);
break;
default:
break;
} else {
#ifdef DEBUG_JOYSTICK
SDL_Log("Unknown Xbox One Bluetooth packet size: %d\n", size);
#endif
}
break;
case 0x02: