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SDL/src/joystick/hidapi/SDL_hidapi_xboxone.c

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 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_log.h"
#include "SDL_events.h"
#include "SDL_timer.h"
#include "SDL_joystick.h"
#include "SDL_gamecontroller.h"
#include "../SDL_sysjoystick.h"
#include "SDL_hidapijoystick_c.h"
#ifdef SDL_JOYSTICK_HIDAPI_XBOXONE
#define USB_PACKET_LENGTH 64
/*
* This packet is required for all Xbox One pads with 2015
* or later firmware installed (or present from the factory).
*/
static const Uint8 xboxone_fw2015_init[] = {
0x05, 0x20, 0x00, 0x01, 0x00
};
/*
* This packet is required for the Titanfall 2 Xbox One pads
* (0x0e6f:0x0165) to finish initialization and for Hori pads
* (0x0f0d:0x0067) to make the analog sticks work.
*/
static const Uint8 xboxone_hori_init[] = {
0x01, 0x20, 0x00, 0x09, 0x00, 0x04, 0x20, 0x3a,
0x00, 0x00, 0x00, 0x80, 0x00
};
/*
* This packet is required for some of the PDP pads to start
* sending input reports. These pads include: (0x0e6f:0x02ab),
* (0x0e6f:0x02a4).
*/
static const Uint8 xboxone_pdp_init1[] = {
0x0a, 0x20, 0x00, 0x03, 0x00, 0x01, 0x14
};
/*
* This packet is required for some of the PDP pads to start
* sending input reports. These pads include: (0x0e6f:0x02ab),
* (0x0e6f:0x02a4).
*/
static const Uint8 xboxone_pdp_init2[] = {
0x06, 0x20, 0x00, 0x02, 0x01, 0x00
};
/*
* A specific rumble packet is required for some PowerA pads to start
* sending input reports. One of those pads is (0x24c6:0x543a).
*/
static const Uint8 xboxone_rumblebegin_init[] = {
0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
0x1D, 0x1D, 0xFF, 0x00, 0x00
};
/*
* A rumble packet with zero FF intensity will immediately
* terminate the rumbling required to init PowerA pads.
* This should happen fast enough that the motors don't
* spin up to enough speed to actually vibrate the gamepad.
*/
static const Uint8 xboxone_rumbleend_init[] = {
0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00
};
/*
* This specifies the selection of init packets that a gamepad
* will be sent on init *and* the order in which they will be
* sent. The correct sequence number will be added when the
* packet is going to be sent.
*/
typedef struct {
Uint16 vendor_id;
Uint16 product_id;
const Uint8 *data;
int size;
} SDL_DriverXboxOne_InitPacket;
static const SDL_DriverXboxOne_InitPacket xboxone_init_packets[] = {
{ 0x0e6f, 0x0165, xboxone_hori_init, sizeof(xboxone_hori_init) },
{ 0x0f0d, 0x0067, xboxone_hori_init, sizeof(xboxone_hori_init) },
{ 0x0000, 0x0000, xboxone_fw2015_init, sizeof(xboxone_fw2015_init) },
{ 0x0e6f, 0x0246, xboxone_pdp_init1, sizeof(xboxone_pdp_init1) },
{ 0x0e6f, 0x0246, xboxone_pdp_init2, sizeof(xboxone_pdp_init2) },
{ 0x0e6f, 0x02ab, xboxone_pdp_init1, sizeof(xboxone_pdp_init1) },
{ 0x0e6f, 0x02ab, xboxone_pdp_init2, sizeof(xboxone_pdp_init2) },
{ 0x0e6f, 0x02a4, xboxone_pdp_init1, sizeof(xboxone_pdp_init1) },
{ 0x0e6f, 0x02a4, xboxone_pdp_init2, sizeof(xboxone_pdp_init2) },
{ 0x24c6, 0x541a, xboxone_rumblebegin_init, sizeof(xboxone_rumblebegin_init) },
{ 0x24c6, 0x542a, xboxone_rumblebegin_init, sizeof(xboxone_rumblebegin_init) },
{ 0x24c6, 0x543a, xboxone_rumblebegin_init, sizeof(xboxone_rumblebegin_init) },
{ 0x24c6, 0x541a, xboxone_rumbleend_init, sizeof(xboxone_rumbleend_init) },
{ 0x24c6, 0x542a, xboxone_rumbleend_init, sizeof(xboxone_rumbleend_init) },
{ 0x24c6, 0x543a, xboxone_rumbleend_init, sizeof(xboxone_rumbleend_init) },
};
typedef struct {
Uint8 sequence;
Uint8 last_state[USB_PACKET_LENGTH];
Uint32 rumble_expiration;
} SDL_DriverXboxOne_Context;
static SDL_bool
HIDAPI_DriverXboxOne_IsSupportedDevice(Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, const char *name)
{
#ifdef __LINUX__
/* Check to see if it's the Xbox One S in Bluetooth mode */
if (vendor_id == 0x045e && product_id == 0x02fd) {
/* We can't do rumble on this device, hid_write() fails, so don't try to open it here */
return SDL_FALSE;
}
#endif
return SDL_IsJoystickXboxOne(vendor_id, product_id);
}
static const char *
HIDAPI_DriverXboxOne_GetDeviceName(Uint16 vendor_id, Uint16 product_id)
{
return HIDAPI_XboxControllerName(vendor_id, product_id);
}
static SDL_bool
HIDAPI_DriverXboxOne_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context)
{
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) {
SDL_OutOfMemory();
return SDL_FALSE;
}
*context = ctx;
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;
}
}
}
}
/* Initialize the joystick capabilities */
joystick->nbuttons = SDL_CONTROLLER_BUTTON_MAX;
joystick->naxes = SDL_CONTROLLER_AXIS_MAX;
joystick->epowerlevel = SDL_JOYSTICK_POWER_WIRED;
return SDL_TRUE;
}
static int
HIDAPI_DriverXboxOne_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
{
SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)context;
Uint8 rumble_packet[] = { 0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF };
/* Magnitude is 1..100 so scale the 16-bit input here */
rumble_packet[2] = ctx->sequence++;
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");
}
if ((low_frequency_rumble || high_frequency_rumble) && duration_ms) {
ctx->rumble_expiration = SDL_GetTicks() + duration_ms;
} else {
ctx->rumble_expiration = 0;
}
return 0;
}
static void
HIDAPI_DriverXboxOne_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXboxOne_Context *ctx, Uint8 *data, int size)
{
Sint16 axis;
if (ctx->last_state[4] != data[4]) {
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[4] & 0x04) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[4] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[4] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[4] & 0x20) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[4] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[4] & 0x80) ? SDL_PRESSED : SDL_RELEASED);
}
if (ctx->last_state[5] != data[5]) {
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, (data[5] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, (data[5] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, (data[5] & 0x04) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, (data[5] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[5] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[5] & 0x20) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[5] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[5] & 0x80) ? SDL_PRESSED : SDL_RELEASED);
}
axis = ((int)*(Sint16*)(&data[6]) * 64) - 32768;
if (axis == 32704) {
axis = 32767;
}
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
axis = ((int)*(Sint16*)(&data[8]) * 64) - 32768;
if (axis == 32704) {
axis = 32767;
}
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
axis = *(Sint16*)(&data[10]);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
axis = *(Sint16*)(&data[12]);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, ~axis);
axis = *(Sint16*)(&data[14]);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
axis = *(Sint16*)(&data[16]);
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_HandleModePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverXboxOne_Context *ctx, Uint8 *data, int size)
{
if (data[1] == 0x30) {
/* The Xbox One S controller needs acks for mode reports */
const Uint8 seqnum = data[2];
const Uint8 ack[] = { 0x01, 0x20, seqnum, 0x09, 0x00, 0x07, 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00 };
hid_write(dev, ack, sizeof(ack));
}
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)
{
SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)context;
Uint8 data[USB_PACKET_LENGTH];
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;
case 0x07:
HIDAPI_DriverXboxOne_HandleModePacket(joystick, dev, ctx, data, size);
break;
default:
#ifdef DEBUG_JOYSTICK
SDL_Log("Unknown Xbox One packet: 0x%.2x\n", data[0]);
#endif
break;
}
}
if (ctx->rumble_expiration) {
Uint32 now = SDL_GetTicks();
if (SDL_TICKS_PASSED(now, ctx->rumble_expiration)) {
HIDAPI_DriverXboxOne_Rumble(joystick, dev, context, 0, 0, 0);
}
}
return (size >= 0);
}
static void
HIDAPI_DriverXboxOne_Quit(SDL_Joystick *joystick, hid_device *dev, void *context)
{
SDL_free(context);
}
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXboxOne =
{
SDL_HINT_JOYSTICK_HIDAPI_XBOX,
SDL_TRUE,
HIDAPI_DriverXboxOne_IsSupportedDevice,
HIDAPI_DriverXboxOne_GetDeviceName,
HIDAPI_DriverXboxOne_Init,
HIDAPI_DriverXboxOne_Rumble,
HIDAPI_DriverXboxOne_Update,
HIDAPI_DriverXboxOne_Quit
};
#endif /* SDL_JOYSTICK_HIDAPI_XBOXONE */
#endif /* SDL_JOYSTICK_HIDAPI */
/* vi: set ts=4 sw=4 expandtab: */
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