mirror of
https://github.com/Ryujinx/SDL.git
synced 2025-01-06 02:45:42 +00:00
46e1377d49
Added the functions SDL_JoystickFromPlayerIndex(), SDL_JoystickSetPlayerIndex(), SDL_GameControllerFromPlayerIndex(), and SDL_GameControllerSetPlayerIndex()
527 lines
17 KiB
C
527 lines
17 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/* This driver supports both simplified reports and the extended input reports enabled by Steam.
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Code and logic contributed by Valve Corporation under the SDL zlib license.
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*/
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#include "../../SDL_internal.h"
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#ifdef SDL_JOYSTICK_HIDAPI
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#include "SDL_hints.h"
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#include "SDL_log.h"
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#include "SDL_events.h"
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#include "SDL_timer.h"
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#include "SDL_joystick.h"
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#include "SDL_gamecontroller.h"
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#include "../SDL_sysjoystick.h"
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#include "SDL_hidapijoystick_c.h"
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#ifdef SDL_JOYSTICK_HIDAPI_PS4
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#define SONY_USB_VID 0x054C
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#define SONY_DS4_PID 0x05C4
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#define SONY_DS4_DONGLE_PID 0x0BA0
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#define SONY_DS4_SLIM_PID 0x09CC
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#define RAZER_USB_VID 0x1532
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#define RAZER_PANTHERA_PID 0X0401
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#define RAZER_PANTHERA_EVO_PID 0x1008
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#define USB_PACKET_LENGTH 64
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typedef enum
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{
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k_EPS4ReportIdUsbState = 1,
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k_EPS4ReportIdUsbEffects = 5,
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k_EPS4ReportIdBluetoothState = 17,
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k_EPS4ReportIdBluetoothEffects = 17,
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k_EPS4ReportIdDisconnectMessage = 226,
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} EPS4ReportId;
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typedef enum
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{
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k_ePS4FeatureReportIdGyroCalibration_USB = 0x02,
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k_ePS4FeatureReportIdGyroCalibration_BT = 0x05,
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k_ePS4FeatureReportIdSerialNumber = 0x12,
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} EPS4FeatureReportID;
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typedef struct
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{
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Uint8 ucLeftJoystickX;
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Uint8 ucLeftJoystickY;
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Uint8 ucRightJoystickX;
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Uint8 ucRightJoystickY;
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Uint8 rgucButtonsHatAndCounter[ 3 ];
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Uint8 ucTriggerLeft;
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Uint8 ucTriggerRight;
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Uint8 _rgucPad0[ 3 ];
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Sint16 sGyroX;
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Sint16 sGyroY;
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Sint16 sGyroZ;
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Sint16 sAccelX;
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Sint16 sAccelY;
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Sint16 sAccelZ;
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Uint8 _rgucPad1[ 5 ];
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Uint8 ucBatteryLevel;
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Uint8 _rgucPad2[ 4 ];
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Uint8 ucTrackpadCounter1;
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Uint8 rgucTrackpadData1[ 3 ];
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Uint8 ucTrackpadCounter2;
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Uint8 rgucTrackpadData2[ 3 ];
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} PS4StatePacket_t;
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typedef struct
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{
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Uint8 ucRumbleRight;
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Uint8 ucRumbleLeft;
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Uint8 ucLedRed;
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Uint8 ucLedGreen;
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Uint8 ucLedBlue;
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Uint8 ucLedDelayOn;
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Uint8 ucLedDelayOff;
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Uint8 _rgucPad0[ 8 ];
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Uint8 ucVolumeLeft;
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Uint8 ucVolumeRight;
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Uint8 ucVolumeMic;
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Uint8 ucVolumeSpeaker;
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} DS4EffectsState_t;
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typedef struct {
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SDL_bool is_dongle;
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SDL_bool is_bluetooth;
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SDL_bool audio_supported;
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SDL_bool rumble_supported;
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Uint8 volume;
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Uint32 last_volume_check;
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Uint32 rumble_expiration;
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PS4StatePacket_t last_state;
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} SDL_DriverPS4_Context;
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/* Public domain CRC implementation adapted from:
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http://home.thep.lu.se/~bjorn/crc/crc32_simple.c
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*/
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static Uint32 crc32_for_byte(Uint32 r)
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{
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int i;
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for(i = 0; i < 8; ++i) {
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r = (r & 1? 0: (Uint32)0xEDB88320L) ^ r >> 1;
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}
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return r ^ (Uint32)0xFF000000L;
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}
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static Uint32 crc32(Uint32 crc, const void *data, int count)
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{
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int i;
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for(i = 0; i < count; ++i) {
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crc = crc32_for_byte((Uint8)crc ^ ((const Uint8*)data)[i]) ^ crc >> 8;
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}
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return crc;
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}
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static SDL_bool
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HIDAPI_DriverPS4_IsSupportedDevice(Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, const char *name)
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{
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return (SDL_GetJoystickGameControllerType(vendor_id, product_id, name) == SDL_CONTROLLER_TYPE_PS4);
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}
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static const char *
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HIDAPI_DriverPS4_GetDeviceName(Uint16 vendor_id, Uint16 product_id)
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{
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if (vendor_id == SONY_USB_VID) {
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return "PS4 Controller";
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}
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return NULL;
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}
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static SDL_bool ReadFeatureReport(hid_device *dev, Uint8 report_id, Uint8 *data, size_t size)
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{
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Uint8 report[USB_PACKET_LENGTH + 1];
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SDL_memset(report, 0, sizeof(report));
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report[0] = report_id;
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if (hid_get_feature_report(dev, report, sizeof(report)) < 0) {
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return SDL_FALSE;
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}
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SDL_memcpy(data, report, SDL_min(size, sizeof(report)));
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return SDL_TRUE;
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}
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static SDL_bool CheckUSBConnected(hid_device *dev)
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{
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int i;
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Uint8 data[16];
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/* This will fail if we're on Bluetooth */
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if (ReadFeatureReport(dev, k_ePS4FeatureReportIdSerialNumber, data, sizeof(data))) {
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for (i = 0; i < sizeof(data); ++i) {
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if (data[i] != 0x00) {
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return SDL_TRUE;
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}
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}
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/* Maybe the dongle without a connected controller? */
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}
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return SDL_FALSE;
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}
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static SDL_bool HIDAPI_DriverPS4_CanRumble(Uint16 vendor_id, Uint16 product_id)
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{
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/* The Razer Panthera fight stick hangs when trying to rumble */
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if (vendor_id == RAZER_USB_VID &&
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(product_id == RAZER_PANTHERA_PID || product_id == RAZER_PANTHERA_EVO_PID)) {
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return SDL_FALSE;
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}
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return SDL_TRUE;
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}
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static SDL_bool
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HIDAPI_DriverPS4_InitDevice(SDL_HIDAPI_Device *device)
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{
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return HIDAPI_JoystickConnected(device, NULL);
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}
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static int
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HIDAPI_DriverPS4_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
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{
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return -1;
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}
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static void
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HIDAPI_DriverPS4_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
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{
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}
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static int HIDAPI_DriverPS4_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
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static SDL_bool
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HIDAPI_DriverPS4_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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{
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SDL_DriverPS4_Context *ctx;
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ctx = (SDL_DriverPS4_Context *)SDL_calloc(1, sizeof(*ctx));
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if (!ctx) {
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SDL_OutOfMemory();
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return SDL_FALSE;
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}
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device->dev = hid_open_path(device->path, 0);
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if (!device->dev) {
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SDL_free(ctx);
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SDL_SetError("Couldn't open %s", device->path);
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return SDL_FALSE;
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}
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device->context = ctx;
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/* Check for type of connection */
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ctx->is_dongle = (device->vendor_id == SONY_USB_VID && device->product_id == SONY_DS4_DONGLE_PID);
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if (ctx->is_dongle) {
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ctx->is_bluetooth = SDL_FALSE;
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} else if (device->vendor_id == SONY_USB_VID) {
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ctx->is_bluetooth = !CheckUSBConnected(device->dev);
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} else {
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/* Third party controllers appear to all be wired */
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ctx->is_bluetooth = SDL_FALSE;
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}
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#ifdef DEBUG_PS4
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SDL_Log("PS4 dongle = %s, bluetooth = %s\n", ctx->is_dongle ? "TRUE" : "FALSE", ctx->is_bluetooth ? "TRUE" : "FALSE");
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#endif
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/* Check to see if audio is supported */
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if (device->vendor_id == SONY_USB_VID &&
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(device->product_id == SONY_DS4_SLIM_PID || device->product_id == SONY_DS4_DONGLE_PID )) {
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ctx->audio_supported = SDL_TRUE;
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}
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if (HIDAPI_DriverPS4_CanRumble(device->vendor_id, device->product_id)) {
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if (ctx->is_bluetooth) {
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ctx->rumble_supported = SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE, SDL_FALSE);
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} else {
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ctx->rumble_supported = SDL_TRUE;
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}
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}
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/* Initialize LED and effect state */
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HIDAPI_DriverPS4_RumbleJoystick(device, joystick, 0, 0, 0);
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/* Initialize the joystick capabilities */
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joystick->nbuttons = 16;
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joystick->naxes = SDL_CONTROLLER_AXIS_MAX;
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joystick->epowerlevel = SDL_JOYSTICK_POWER_WIRED;
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return SDL_TRUE;
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}
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static int
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HIDAPI_DriverPS4_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
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{
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SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)device->context;
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DS4EffectsState_t *effects;
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Uint8 data[78];
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int report_size, offset;
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if (!ctx->rumble_supported) {
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return SDL_Unsupported();
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}
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/* In order to send rumble, we have to send a complete effect packet */
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SDL_memset(data, 0, sizeof(data));
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if (ctx->is_bluetooth) {
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data[0] = k_EPS4ReportIdBluetoothEffects;
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data[1] = 0xC0 | 0x04; /* Magic value HID + CRC, also sets interval to 4ms for samples */
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data[3] = 0x03; /* 0x1 is rumble, 0x2 is lightbar, 0x4 is the blink interval */
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report_size = 78;
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offset = 6;
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} else {
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data[0] = k_EPS4ReportIdUsbEffects;
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data[1] = 0x07; /* Magic value */
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report_size = 32;
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offset = 4;
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}
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effects = (DS4EffectsState_t *)&data[offset];
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effects->ucRumbleLeft = (low_frequency_rumble >> 8);
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effects->ucRumbleRight = (high_frequency_rumble >> 8);
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effects->ucLedRed = 0;
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effects->ucLedGreen = 0;
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effects->ucLedBlue = 80;
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if (ctx->is_bluetooth) {
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/* Bluetooth reports need a CRC at the end of the packet (at least on Linux) */
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Uint8 ubHdr = 0xA2; /* hidp header is part of the CRC calculation */
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Uint32 unCRC;
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unCRC = crc32(0, &ubHdr, 1);
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unCRC = crc32(unCRC, data, (Uint32)(report_size - sizeof(unCRC)));
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SDL_memcpy(&data[report_size - sizeof(unCRC)], &unCRC, sizeof(unCRC));
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}
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if (hid_write(device->dev, data, report_size) != report_size) {
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return SDL_SetError("Couldn't send rumble packet");
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}
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if ((low_frequency_rumble || high_frequency_rumble) && duration_ms) {
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ctx->rumble_expiration = SDL_GetTicks() + SDL_min(duration_ms, SDL_MAX_RUMBLE_DURATION_MS);
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if (!ctx->rumble_expiration) {
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ctx->rumble_expiration = 1;
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}
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} else {
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ctx->rumble_expiration = 0;
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}
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return 0;
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}
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static void
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HIDAPI_DriverPS4_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_DriverPS4_Context *ctx, PS4StatePacket_t *packet)
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{
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Sint16 axis;
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if (ctx->last_state.rgucButtonsHatAndCounter[0] != packet->rgucButtonsHatAndCounter[0]) {
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{
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Uint8 data = (packet->rgucButtonsHatAndCounter[0] >> 4);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data & 0x01) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data & 0x02) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data & 0x04) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data & 0x08) ? SDL_PRESSED : SDL_RELEASED);
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}
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{
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Uint8 data = (packet->rgucButtonsHatAndCounter[0] & 0x0F);
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SDL_bool dpad_up = SDL_FALSE;
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SDL_bool dpad_down = SDL_FALSE;
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SDL_bool dpad_left = SDL_FALSE;
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SDL_bool dpad_right = SDL_FALSE;
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switch (data) {
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case 0:
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dpad_up = SDL_TRUE;
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break;
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case 1:
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dpad_up = SDL_TRUE;
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dpad_right = SDL_TRUE;
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break;
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case 2:
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dpad_right = SDL_TRUE;
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break;
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case 3:
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dpad_right = SDL_TRUE;
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dpad_down = SDL_TRUE;
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break;
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case 4:
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dpad_down = SDL_TRUE;
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break;
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case 5:
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dpad_left = SDL_TRUE;
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dpad_down = SDL_TRUE;
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break;
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case 6:
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dpad_left = SDL_TRUE;
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break;
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case 7:
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dpad_up = SDL_TRUE;
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dpad_left = SDL_TRUE;
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break;
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default:
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break;
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}
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
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}
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}
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if (ctx->last_state.rgucButtonsHatAndCounter[1] != packet->rgucButtonsHatAndCounter[1]) {
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Uint8 data = packet->rgucButtonsHatAndCounter[1];
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data & 0x01) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data & 0x02) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data & 0x10) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data & 0x20) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data & 0x40) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data & 0x80) ? SDL_PRESSED : SDL_RELEASED);
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}
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if (ctx->last_state.rgucButtonsHatAndCounter[2] != packet->rgucButtonsHatAndCounter[2]) {
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Uint8 data = (packet->rgucButtonsHatAndCounter[2] & 0x03);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data & 0x01) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, 15, (data & 0x02) ? SDL_PRESSED : SDL_RELEASED);
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}
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axis = ((int)packet->ucTriggerLeft * 257) - 32768;
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
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axis = ((int)packet->ucTriggerRight * 257) - 32768;
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
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axis = ((int)packet->ucLeftJoystickX * 257) - 32768;
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
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axis = ((int)packet->ucLeftJoystickY * 257) - 32768;
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
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axis = ((int)packet->ucRightJoystickX * 257) - 32768;
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
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axis = ((int)packet->ucRightJoystickY * 257) - 32768;
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
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if (packet->ucBatteryLevel & 0x10) {
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joystick->epowerlevel = SDL_JOYSTICK_POWER_WIRED;
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} else {
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/* Battery level ranges from 0 to 10 */
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int level = (packet->ucBatteryLevel & 0xF);
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if (level == 0) {
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joystick->epowerlevel = SDL_JOYSTICK_POWER_EMPTY;
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} else if (level <= 2) {
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joystick->epowerlevel = SDL_JOYSTICK_POWER_LOW;
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} else if (level <= 7) {
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joystick->epowerlevel = SDL_JOYSTICK_POWER_MEDIUM;
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} else {
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joystick->epowerlevel = SDL_JOYSTICK_POWER_FULL;
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}
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}
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SDL_memcpy(&ctx->last_state, packet, sizeof(ctx->last_state));
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}
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static SDL_bool
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HIDAPI_DriverPS4_UpdateDevice(SDL_HIDAPI_Device *device)
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{
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SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)device->context;
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SDL_Joystick *joystick = NULL;
|
|
Uint8 data[USB_PACKET_LENGTH];
|
|
int size;
|
|
|
|
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) {
|
|
switch (data[0]) {
|
|
case k_EPS4ReportIdUsbState:
|
|
HIDAPI_DriverPS4_HandleStatePacket(joystick, device->dev, ctx, (PS4StatePacket_t *)&data[1]);
|
|
break;
|
|
case k_EPS4ReportIdBluetoothState:
|
|
/* Bluetooth state packets have two additional bytes at the beginning */
|
|
HIDAPI_DriverPS4_HandleStatePacket(joystick, device->dev, ctx, (PS4StatePacket_t *)&data[3]);
|
|
break;
|
|
default:
|
|
#ifdef DEBUG_JOYSTICK
|
|
SDL_Log("Unknown PS4 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_DriverPS4_RumbleJoystick(device, joystick, 0, 0, 0);
|
|
}
|
|
}
|
|
|
|
if (size < 0) {
|
|
/* Read error, device is disconnected */
|
|
HIDAPI_JoystickDisconnected(device, joystick->instance_id);
|
|
}
|
|
return (size >= 0);
|
|
}
|
|
|
|
static void
|
|
HIDAPI_DriverPS4_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
|
|
{
|
|
hid_close(device->dev);
|
|
device->dev = NULL;
|
|
|
|
SDL_free(device->context);
|
|
device->context = NULL;
|
|
}
|
|
|
|
static void
|
|
HIDAPI_DriverPS4_FreeDevice(SDL_HIDAPI_Device *device)
|
|
{
|
|
}
|
|
|
|
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS4 =
|
|
{
|
|
SDL_HINT_JOYSTICK_HIDAPI_PS4,
|
|
SDL_TRUE,
|
|
HIDAPI_DriverPS4_IsSupportedDevice,
|
|
HIDAPI_DriverPS4_GetDeviceName,
|
|
HIDAPI_DriverPS4_InitDevice,
|
|
HIDAPI_DriverPS4_GetDevicePlayerIndex,
|
|
HIDAPI_DriverPS4_SetDevicePlayerIndex,
|
|
HIDAPI_DriverPS4_UpdateDevice,
|
|
HIDAPI_DriverPS4_OpenJoystick,
|
|
HIDAPI_DriverPS4_RumbleJoystick,
|
|
HIDAPI_DriverPS4_CloseJoystick,
|
|
HIDAPI_DriverPS4_FreeDevice
|
|
};
|
|
|
|
#endif /* SDL_JOYSTICK_HIDAPI_PS4 */
|
|
|
|
#endif /* SDL_JOYSTICK_HIDAPI */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|