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Refactored HIDAPI controller code to support dongles and hubs that dynamically attach controllers

Sam Lantinga 2019-12-19 15:01:30 -08:00
parent 5d5a56717f
commit e7f7e3f40f
6 changed files with 505 additions and 229 deletions
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86
src/joystick/hidapi/SDL_hidapi_ps4.c
View File

@ -193,10 +193,16 @@ static SDL_bool HIDAPI_DriverPS4_CanRumble(Uint16 vendor_id, Uint16 product_id)
return SDL_TRUE;
}
static int HIDAPI_DriverPS4_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
static SDL_bool
HIDAPI_DriverPS4_InitDevice(SDL_HIDAPI_Device *device)
{
return HIDAPI_JoystickConnected(device, NULL);
}
static int HIDAPI_DriverPS4_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
static SDL_bool
HIDAPI_DriverPS4_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context)
HIDAPI_DriverPS4_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
{
SDL_DriverPS4_Context *ctx;
@ -205,14 +211,21 @@ HIDAPI_DriverPS4_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id,
SDL_OutOfMemory();
return SDL_FALSE;
}
*context = ctx;
device->dev = hid_open_path(device->path, 0);
if (!device->dev) {
SDL_free(ctx);
SDL_SetError("Couldn't open %s", device->path);
return SDL_FALSE;
}
device->context = ctx;
/* Check for type of connection */
ctx->is_dongle = (vendor_id == SONY_USB_VID && product_id == SONY_DS4_DONGLE_PID);
ctx->is_dongle = (device->vendor_id == SONY_USB_VID && device->product_id == SONY_DS4_DONGLE_PID);
if (ctx->is_dongle) {
ctx->is_bluetooth = SDL_FALSE;
} else if (vendor_id == SONY_USB_VID) {
ctx->is_bluetooth = !CheckUSBConnected(dev);
} else if (device->vendor_id == SONY_USB_VID) {
ctx->is_bluetooth = !CheckUSBConnected(device->dev);
} else {
/* Third party controllers appear to all be wired */
ctx->is_bluetooth = SDL_FALSE;
@ -222,12 +235,12 @@ HIDAPI_DriverPS4_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id,
#endif
/* Check to see if audio is supported */
if (vendor_id == SONY_USB_VID &&
(product_id == SONY_DS4_SLIM_PID || product_id == SONY_DS4_DONGLE_PID )) {
if (device->vendor_id == SONY_USB_VID &&
(device->product_id == SONY_DS4_SLIM_PID || device->product_id == SONY_DS4_DONGLE_PID )) {
ctx->audio_supported = SDL_TRUE;
}
if (HIDAPI_DriverPS4_CanRumble(vendor_id, product_id)) {
if (HIDAPI_DriverPS4_CanRumble(device->vendor_id, device->product_id)) {
if (ctx->is_bluetooth) {
ctx->rumble_supported = SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE, SDL_FALSE);
} else {
@ -236,7 +249,7 @@ HIDAPI_DriverPS4_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id,
}
/* Initialize LED and effect state */
HIDAPI_DriverPS4_Rumble(joystick, dev, ctx, 0, 0, 0);
HIDAPI_DriverPS4_RumbleJoystick(device, joystick, 0, 0, 0);
/* Initialize the joystick capabilities */
joystick->nbuttons = 16;
@ -247,9 +260,9 @@ HIDAPI_DriverPS4_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id,
}
static int
HIDAPI_DriverPS4_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
HIDAPI_DriverPS4_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
{
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)context;
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)device->context;
DS4EffectsState_t *effects;
Uint8 data[78];
int report_size, offset;
@ -293,7 +306,7 @@ HIDAPI_DriverPS4_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context,
SDL_memcpy(&data[report_size - sizeof(unCRC)], &unCRC, sizeof(unCRC));
}
if (hid_write(dev, data, report_size) != report_size) {
if (hid_write(device->dev, data, report_size) != report_size) {
return SDL_SetError("Couldn't send rumble packet");
}
@ -416,20 +429,28 @@ HIDAPI_DriverPS4_HandleStatePacket(SDL_Joystick *joystick, hid_device *dev, SDL_
}
static SDL_bool
HIDAPI_DriverPS4_Update(SDL_Joystick *joystick, hid_device *dev, void *context)
HIDAPI_DriverPS4_UpdateDevice(SDL_HIDAPI_Device *device)
{
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)context;
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)device->context;
SDL_Joystick *joystick = NULL;
Uint8 data[USB_PACKET_LENGTH];
int size;
while ((size = hid_read_timeout(dev, data, sizeof(data), 0)) > 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) {
switch (data[0]) {
case k_EPS4ReportIdUsbState:
HIDAPI_DriverPS4_HandleStatePacket(joystick, dev, ctx, (PS4StatePacket_t *)&data[1]);
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, dev, ctx, (PS4StatePacket_t *)&data[3]);
HIDAPI_DriverPS4_HandleStatePacket(joystick, device->dev, ctx, (PS4StatePacket_t *)&data[3]);
break;
default:
#ifdef DEBUG_JOYSTICK
@ -442,17 +463,30 @@ HIDAPI_DriverPS4_Update(SDL_Joystick *joystick, hid_device *dev, void *context)
if (ctx->rumble_expiration) {
Uint32 now = SDL_GetTicks();
if (SDL_TICKS_PASSED(now, ctx->rumble_expiration)) {
HIDAPI_DriverPS4_Rumble(joystick, dev, context, 0, 0, 0);
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_Quit(SDL_Joystick *joystick, hid_device *dev, void *context)
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_free(context);
}
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS4 =
@ -461,10 +495,12 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS4 =
SDL_TRUE,
HIDAPI_DriverPS4_IsSupportedDevice,
HIDAPI_DriverPS4_GetDeviceName,
HIDAPI_DriverPS4_Init,
HIDAPI_DriverPS4_Rumble,
HIDAPI_DriverPS4_Update,
HIDAPI_DriverPS4_Quit
HIDAPI_DriverPS4_InitDevice,
HIDAPI_DriverPS4_UpdateDevice,
HIDAPI_DriverPS4_OpenJoystick,
HIDAPI_DriverPS4_RumbleJoystick,
HIDAPI_DriverPS4_CloseJoystick,
HIDAPI_DriverPS4_FreeDevice
};
#endif /* SDL_JOYSTICK_HIDAPI_PS4 */

111
src/joystick/hidapi/SDL_hidapi_switch.c
View File

@ -223,6 +223,23 @@ typedef struct {
} SDL_DriverSwitch_Context;
static SDL_bool IsGameCubeFormFactor(int vendor_id, int product_id)
{
static Uint32 gamecube_formfactor[] = {
MAKE_VIDPID(0x0e6f, 0x0185), /* PDP Wired Fight Pad Pro for Nintendo Switch */
MAKE_VIDPID(0x20d6, 0xa711), /* Core (Plus) Wired Controller */
};
Uint32 id = MAKE_VIDPID(vendor_id, product_id);
int i;
for (i = 0; i < SDL_arraysize(gamecube_formfactor); ++i) {
if (id == gamecube_formfactor[i]) {
return SDL_TRUE;
}
}
return SDL_FALSE;
}
static SDL_bool
HIDAPI_DriverSwitch_IsSupportedDevice(Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, const char *name)
{
@ -604,9 +621,15 @@ static Uint8 RemapButton(SDL_DriverSwitch_Context *ctx, Uint8 button)
}
return button;
}
static SDL_bool
HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context)
HIDAPI_DriverSwitch_InitDevice(SDL_HIDAPI_Device *device)
{
return HIDAPI_JoystickConnected(device, NULL);
}
static SDL_bool
HIDAPI_DriverSwitch_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
{
SDL_DriverSwitch_Context *ctx;
Uint8 input_mode;
@ -616,15 +639,19 @@ HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_
SDL_OutOfMemory();
return SDL_FALSE;
}
ctx->dev = dev;
*context = ctx;
device->dev = ctx->dev = hid_open_path(device->path, 0);
if (!device->dev) {
SDL_SetError("Couldn't open %s", device->path);
goto error;
}
device->context = ctx;
/* Find out whether or not we can send output reports */
ctx->m_bInputOnly = SDL_IsJoystickNintendoSwitchProInputOnly(vendor_id, product_id);
ctx->m_bInputOnly = SDL_IsJoystickNintendoSwitchProInputOnly(device->vendor_id, device->product_id);
if (!ctx->m_bInputOnly) {
/* The Power A Nintendo Switch Pro controllers don't have a Home LED */
ctx->m_bHasHomeLED = (vendor_id != 0 && product_id != 0) ? SDL_TRUE : SDL_FALSE;
ctx->m_bHasHomeLED = (device->vendor_id != 0 && device->product_id != 0) ? SDL_TRUE : SDL_FALSE;
/* Initialize rumble data */
SetNeutralRumble(&ctx->m_RumblePacket.rumbleData[0]);
@ -637,14 +664,12 @@ HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_
if (!LoadStickCalibration(ctx)) {
SDL_SetError("Couldn't load stick calibration");
SDL_free(ctx);
return SDL_FALSE;
goto error;
}
if (!SetVibrationEnabled(ctx, 1)) {
SDL_SetError("Couldn't enable vibration");
SDL_free(ctx);
return SDL_FALSE;
goto error;
}
/* Set the desired input mode */
@ -655,8 +680,7 @@ HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_
}
if (!SetInputMode(ctx, input_mode)) {
SDL_SetError("Couldn't set input mode");
SDL_free(ctx);
return SDL_FALSE;
goto error;
}
/* Start sending USB reports */
@ -664,8 +688,7 @@ HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_
/* ForceUSB doesn't generate an ACK, so don't wait for a reply */
if (!WriteProprietary(ctx, k_eSwitchProprietaryCommandIDs_ForceUSB, NULL, 0, SDL_FALSE)) {
SDL_SetError("Couldn't start USB reports");
SDL_free(ctx);
return SDL_FALSE;
goto error;
}
}
@ -676,7 +699,7 @@ HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_
SetSlotLED(ctx, (joystick->instance_id % 4));
}
if (vendor_id == 0x0e6f && product_id == 0x0185) {
if (IsGameCubeFormFactor(device->vendor_id, device->product_id)) {
/* This is a controller shaped like a GameCube controller, with a large central A button */
ctx->m_bUseButtonLabels = SDL_TRUE;
} else {
@ -690,12 +713,23 @@ HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_
joystick->epowerlevel = SDL_JOYSTICK_POWER_WIRED;
return SDL_TRUE;
error:
if (device->dev) {
hid_close(device->dev);
device->dev = NULL;
}
if (device->context) {
SDL_free(device->context);
device->context = NULL;
}
return SDL_FALSE;
}
static int
HIDAPI_DriverSwitch_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
HIDAPI_DriverSwitch_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
{
SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)context;
SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)device->context;
/* Experimentally determined rumble values. These will only matter on some controllers as tested ones
* seem to disregard these and just use any non-zero rumble values as a binary flag for constant rumble
@ -996,11 +1030,19 @@ static void HandleFullControllerState(SDL_Joystick *joystick, SDL_DriverSwitch_C
}
static SDL_bool
HIDAPI_DriverSwitch_Update(SDL_Joystick *joystick, hid_device *dev, void *context)
HIDAPI_DriverSwitch_UpdateDevice(SDL_HIDAPI_Device *device)
{
SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)context;
SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)device->context;
SDL_Joystick *joystick = NULL;
int size;
if (device->num_joysticks > 0) {
joystick = SDL_JoystickFromInstanceID(device->joysticks[0]);
}
if (!joystick) {
return SDL_FALSE;
}
while ((size = ReadInput(ctx)) > 0) {
if (ctx->m_bInputOnly) {
HandleInputOnlyControllerState(joystick, ctx, (SwitchInputOnlyControllerStatePacket_t *)&ctx->m_rgucReadBuffer[0]);
@ -1021,17 +1063,21 @@ HIDAPI_DriverSwitch_Update(SDL_Joystick *joystick, hid_device *dev, void *contex
if (ctx->m_nRumbleExpiration) {
Uint32 now = SDL_GetTicks();
if (SDL_TICKS_PASSED(now, ctx->m_nRumbleExpiration)) {
HIDAPI_DriverSwitch_Rumble(joystick, dev, context, 0, 0, 0);
HIDAPI_DriverSwitch_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_DriverSwitch_Quit(SDL_Joystick *joystick, hid_device *dev, void *context)
HIDAPI_DriverSwitch_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
{
SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)context;
SDL_DriverSwitch_Context *ctx = (SDL_DriverSwitch_Context *)device->context;
if (!ctx->m_bInputOnly) {
/* Restore simple input mode for other applications */
@ -1041,7 +1087,16 @@ HIDAPI_DriverSwitch_Quit(SDL_Joystick *joystick, hid_device *dev, void *context)
SDL_DelHintCallback(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS,
SDL_GameControllerButtonReportingHintChanged, ctx);
SDL_free(context);
hid_close(device->dev);
device->dev = NULL;
SDL_free(device->context);
device->context = NULL;
}
static void
HIDAPI_DriverSwitch_FreeDevice(SDL_HIDAPI_Device *device)
{
}
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSwitch =
@ -1050,10 +1105,12 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSwitch =
SDL_TRUE,
HIDAPI_DriverSwitch_IsSupportedDevice,
HIDAPI_DriverSwitch_GetDeviceName,
HIDAPI_DriverSwitch_Init,
HIDAPI_DriverSwitch_Rumble,
HIDAPI_DriverSwitch_Update,
HIDAPI_DriverSwitch_Quit
HIDAPI_DriverSwitch_InitDevice,
HIDAPI_DriverSwitch_UpdateDevice,
HIDAPI_DriverSwitch_OpenJoystick,
HIDAPI_DriverSwitch_RumbleJoystick,
HIDAPI_DriverSwitch_CloseJoystick,
HIDAPI_DriverSwitch_FreeDevice
};
#endif /* SDL_JOYSTICK_HIDAPI_SWITCH */

82
src/joystick/hidapi/SDL_hidapi_xbox360.c
View File

@ -291,7 +291,13 @@ static SDL_bool SetSlotLED(hid_device *dev, Uint8 slot)
}
static SDL_bool
HIDAPI_DriverXbox360_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context)
HIDAPI_DriverXbox360_InitDevice(SDL_HIDAPI_Device *device)
{
return HIDAPI_JoystickConnected(device, NULL);
}
static SDL_bool
HIDAPI_DriverXbox360_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
{
SDL_DriverXbox360_Context *ctx;
@ -300,6 +306,15 @@ HIDAPI_DriverXbox360_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor
SDL_OutOfMemory();
return SDL_FALSE;
}
device->dev = hid_open_path(device->path, 0);
if (!device->dev) {
SDL_free(ctx);
SDL_SetError("Couldn't open %s", device->path);
return SDL_FALSE;
}
device->context = ctx;
#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT
ctx->xinput_enabled = SDL_GetHintBoolean(SDL_HINT_XINPUT_ENABLED, SDL_TRUE);
if (ctx->xinput_enabled && WIN_LoadXInputDLL() < 0) {
@ -310,10 +325,9 @@ HIDAPI_DriverXbox360_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor
#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT
HIDAPI_DriverXbox360_InitWindowsGamingInput(ctx);
#endif
*context = ctx;
/* Set the controller LED */
SetSlotLED(dev, (joystick->instance_id % 4));
SetSlotLED(device->dev, (joystick->instance_id % 4));
/* Initialize the joystick capabilities */
joystick->nbuttons = SDL_CONTROLLER_BUTTON_MAX;
@ -324,9 +338,9 @@ HIDAPI_DriverXbox360_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor
}
static int
HIDAPI_DriverXbox360_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
HIDAPI_DriverXbox360_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
{
SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)context;
SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)device->context;
#ifdef __WIN32__
SDL_bool rumbled = SDL_FALSE;
@ -379,7 +393,7 @@ HIDAPI_DriverXbox360_Rumble(SDL_Joystick *joystick, hid_device *dev, void *conte
rumble_packet[4] = (high_frequency_rumble >> 8);
#endif
if (hid_write(dev, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) {
if (hid_write(device->dev, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) {
return SDL_SetError("Couldn't send rumble packet");
}
#endif /* __WIN32__ */
@ -719,26 +733,34 @@ HIDAPI_DriverXboxOneS_HandleGuidePacket(SDL_Joystick *joystick, hid_device *dev,
#endif /* __MACOSX__ */
static SDL_bool
HIDAPI_DriverXbox360_Update(SDL_Joystick *joystick, hid_device *dev, void *context)
HIDAPI_DriverXbox360_UpdateDevice(SDL_HIDAPI_Device *device)
{
SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)context;
SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)device->context;
SDL_Joystick *joystick = NULL;
Uint8 data[USB_PACKET_LENGTH];
int size;
while ((size = hid_read_timeout(dev, data, sizeof(data), 0)) > 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 __WIN32__
HIDAPI_DriverXbox360_HandleStatePacket(joystick, dev, ctx, data, size);
HIDAPI_DriverXbox360_HandleStatePacket(joystick, device->dev, ctx, data, size);
#else
switch (data[0]) {
case 0x00:
HIDAPI_DriverXbox360_HandleStatePacket(joystick, dev, ctx, data, size);
HIDAPI_DriverXbox360_HandleStatePacket(joystick, device->dev, ctx, data, size);
break;
#ifdef __MACOSX__
case 0x01:
HIDAPI_DriverXboxOneS_HandleStatePacket(joystick, dev, ctx, data, size);
HIDAPI_DriverXboxOneS_HandleStatePacket(joystick, device->dev, ctx, data, size);
break;
case 0x02:
HIDAPI_DriverXboxOneS_HandleGuidePacket(joystick, dev, ctx, data, size);
HIDAPI_DriverXboxOneS_HandleGuidePacket(joystick, device->dev, ctx, data, size);
break;
#endif
default:
@ -756,18 +778,22 @@ HIDAPI_DriverXbox360_Update(SDL_Joystick *joystick, hid_device *dev, void *conte
if (ctx->rumble_expiration) {
Uint32 now = SDL_GetTicks();
if (SDL_TICKS_PASSED(now, ctx->rumble_expiration)) {
HIDAPI_DriverXbox360_Rumble(joystick, dev, context, 0, 0, 0);
HIDAPI_DriverXbox360_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_DriverXbox360_Quit(SDL_Joystick *joystick, hid_device *dev, void *context)
HIDAPI_DriverXbox360_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
{
#if defined(SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT) || defined(SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT)
SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)context;
SDL_DriverXbox360_Context *ctx = (SDL_DriverXbox360_Context *)device->context;
#endif
#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_XINPUT
@ -777,9 +803,19 @@ HIDAPI_DriverXbox360_Quit(SDL_Joystick *joystick, hid_device *dev, void *context
}
#endif
#ifdef SDL_JOYSTICK_HIDAPI_WINDOWS_GAMING_INPUT
HIDAPI_DriverXbox360_InitWindowsGamingInput(ctx);
HIDAPI_DriverXbox360_QuitWindowsGamingInput(ctx);
#endif
SDL_free(context);
hid_close(device->dev);
device->dev = NULL;
SDL_free(device->context);
device->context = NULL;
}
static void
HIDAPI_DriverXbox360_FreeDevice(SDL_HIDAPI_Device *device)
{
}
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360 =
@ -788,10 +824,12 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360 =
SDL_TRUE,
HIDAPI_DriverXbox360_IsSupportedDevice,
HIDAPI_DriverXbox360_GetDeviceName,
HIDAPI_DriverXbox360_Init,
HIDAPI_DriverXbox360_Rumble,
HIDAPI_DriverXbox360_Update,
HIDAPI_DriverXbox360_Quit
HIDAPI_DriverXbox360_InitDevice,
HIDAPI_DriverXbox360_UpdateDevice,
HIDAPI_DriverXbox360_OpenJoystick,
HIDAPI_DriverXbox360_RumbleJoystick,
HIDAPI_DriverXbox360_CloseJoystick,
HIDAPI_DriverXbox360_FreeDevice
};
#endif /* SDL_JOYSTICK_HIDAPI_XBOX360 */

77
src/joystick/hidapi/SDL_hidapi_xboxone.c
View File

@ -255,7 +255,13 @@ HIDAPI_DriverXboxOne_GetDeviceName(Uint16 vendor_id, Uint16 product_id)
}
static SDL_bool
HIDAPI_DriverXboxOne_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context)
HIDAPI_DriverXboxOne_InitDevice(SDL_HIDAPI_Device *device)
{
return HIDAPI_JoystickConnected(device, NULL);
}
static SDL_bool
HIDAPI_DriverXboxOne_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
{
SDL_DriverXboxOne_Context *ctx;
@ -264,10 +270,17 @@ HIDAPI_DriverXboxOne_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor
SDL_OutOfMemory();
return SDL_FALSE;
}
*context = ctx;
ctx->vendor_id = vendor_id;
ctx->product_id = product_id;
device->dev = hid_open_path(device->path, 0);
if (!device->dev) {
SDL_free(ctx);
SDL_SetError("Couldn't open %s", device->path);
return SDL_FALSE;
}
device->context = ctx;
ctx->vendor_id = device->vendor_id;
ctx->product_id = device->product_id;
ctx->start_time = SDL_GetTicks();
/* Initialize the joystick capabilities */
@ -279,9 +292,9 @@ HIDAPI_DriverXboxOne_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor
}
static int
HIDAPI_DriverXboxOne_Rumble(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
HIDAPI_DriverXboxOne_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
{
SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)context;
SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)device->context;
Uint8 rumble_packet[] = { 0x09, 0x00, 0x00, 0x09, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF };
if (!ctx->initialized) {
@ -293,7 +306,7 @@ HIDAPI_DriverXboxOne_Rumble(SDL_Joystick *joystick, hid_device *dev, void *conte
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)) {
if (hid_write(device->dev, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) {
return SDL_SetError("Couldn't send rumble packet");
}
@ -366,22 +379,31 @@ HIDAPI_DriverXboxOne_HandleModePacket(SDL_Joystick *joystick, hid_device *dev, S
}
static SDL_bool
HIDAPI_DriverXboxOne_Update(SDL_Joystick *joystick, hid_device *dev, void *context)
HIDAPI_DriverXboxOne_UpdateDevice(SDL_HIDAPI_Device *device)
{
SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)context;
SDL_DriverXboxOne_Context *ctx = (SDL_DriverXboxOne_Context *)device->context;
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;
}
if (!ctx->initialized) {
if (SDL_TICKS_PASSED(SDL_GetTicks(), ctx->start_time + CONTROLLER_INIT_DELAY_MS)) {
if (!SendControllerInit(dev, ctx)) {
if (!SendControllerInit(device->dev, ctx)) {
HIDAPI_JoystickDisconnected(device, joystick->instance_id);
return SDL_FALSE;
}
ctx->initialized = SDL_TRUE;
}
}
while ((size = hid_read_timeout(dev, data, sizeof(data), 0)) > 0) {
while ((size = hid_read_timeout(device->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"
@ -394,10 +416,10 @@ HIDAPI_DriverXboxOne_Update(SDL_Joystick *joystick, hid_device *dev, void *conte
#endif
switch (data[0]) {
case 0x20:
HIDAPI_DriverXboxOne_HandleStatePacket(joystick, dev, ctx, data, size);
HIDAPI_DriverXboxOne_HandleStatePacket(joystick, device->dev, ctx, data, size);
break;
case 0x07:
HIDAPI_DriverXboxOne_HandleModePacket(joystick, dev, ctx, data, size);
HIDAPI_DriverXboxOne_HandleModePacket(joystick, device->dev, ctx, data, size);
break;
default:
#ifdef DEBUG_JOYSTICK
@ -410,17 +432,30 @@ HIDAPI_DriverXboxOne_Update(SDL_Joystick *joystick, hid_device *dev, void *conte
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);
HIDAPI_DriverXboxOne_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_DriverXboxOne_Quit(SDL_Joystick *joystick, hid_device *dev, void *context)
HIDAPI_DriverXboxOne_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_DriverXboxOne_FreeDevice(SDL_HIDAPI_Device *device)
{
SDL_free(context);
}
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXboxOne =
@ -429,10 +464,12 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXboxOne =
SDL_TRUE,
HIDAPI_DriverXboxOne_IsSupportedDevice,
HIDAPI_DriverXboxOne_GetDeviceName,
HIDAPI_DriverXboxOne_Init,
HIDAPI_DriverXboxOne_Rumble,
HIDAPI_DriverXboxOne_Update,
HIDAPI_DriverXboxOne_Quit
HIDAPI_DriverXboxOne_InitDevice,
HIDAPI_DriverXboxOne_UpdateDevice,
HIDAPI_DriverXboxOne_OpenJoystick,
HIDAPI_DriverXboxOne_RumbleJoystick,
HIDAPI_DriverXboxOne_CloseJoystick,
HIDAPI_DriverXboxOne_FreeDevice
};
#endif /* SDL_JOYSTICK_HIDAPI_XBOXONE */

338
src/joystick/hidapi/SDL_hidapijoystick.c
View File

@ -22,6 +22,7 @@
#ifdef SDL_JOYSTICK_HIDAPI
#include "SDL_assert.h"
#include "SDL_endian.h"
#include "SDL_hints.h"
#include "SDL_log.h"
@ -53,33 +54,9 @@
struct joystick_hwdata
{
SDL_HIDAPI_DeviceDriver *driver;
void *context;
SDL_mutex *mutex;
hid_device *dev;
SDL_HIDAPI_Device *device;
};
typedef struct _SDL_HIDAPI_Device
{
SDL_JoystickID instance_id;
char *name;
char *path;
Uint16 vendor_id;
Uint16 product_id;
Uint16 version;
SDL_JoystickGUID guid;
int interface_number; /* Available on Windows and Linux */
Uint16 usage_page; /* Available on Windows and Mac OS X */
Uint16 usage; /* Available on Windows and Mac OS X */
SDL_HIDAPI_DeviceDriver *driver;
/* Used during scanning for device changes */
SDL_bool seen;
struct _SDL_HIDAPI_Device *next;
} SDL_HIDAPI_Device;
static SDL_HIDAPI_DeviceDriver *SDL_HIDAPI_drivers[] = {
#ifdef SDL_JOYSTICK_HIDAPI_PS4
&SDL_HIDAPI_DriverPS4,
@ -98,9 +75,11 @@ static SDL_HIDAPI_DeviceDriver *SDL_HIDAPI_drivers[] = {
#endif
};
static int SDL_HIDAPI_numdrivers = 0;
static SDL_mutex *SDL_HIDAPI_mutex;
static SDL_HIDAPI_Device *SDL_HIDAPI_devices;
static int SDL_HIDAPI_numjoysticks = 0;
static SDL_bool initialized = SDL_FALSE;
static SDL_bool shutting_down = SDL_FALSE;
#if defined(SDL_USE_LIBUDEV)
static const SDL_UDEV_Symbols * usyms = NULL;
@ -396,6 +375,9 @@ HIDAPI_ShutdownDiscovery()
#endif
}
static void HIDAPI_JoystickDetect(void);
static void HIDAPI_JoystickClose(SDL_Joystick * joystick);
static SDL_bool
HIDAPI_IsDeviceSupported(Uint16 vendor_id, Uint16 product_id, Uint16 version, const char *name)
{
@ -440,19 +422,22 @@ HIDAPI_GetDeviceDriver(SDL_HIDAPI_Device *device)
}
static SDL_HIDAPI_Device *
HIDAPI_GetJoystickByIndex(int device_index)
HIDAPI_GetDeviceByIndex(int device_index, SDL_JoystickID *pJoystickID)
{
SDL_HIDAPI_Device *device = SDL_HIDAPI_devices;
while (device) {
if (device->driver) {
if (device_index == 0) {
break;
if (device_index < device->num_joysticks) {
if (pJoystickID) {
*pJoystickID = device->joysticks[device_index];
}
return device;
}
--device_index;
device_index -= device->num_joysticks;
}
device = device->next;
}
return device;
return NULL;
}
static SDL_HIDAPI_Device *
@ -469,6 +454,52 @@ HIDAPI_GetJoystickByInfo(const char *path, Uint16 vendor_id, Uint16 product_id)
return device;
}
static void
HIDAPI_SetupDeviceDriver(SDL_HIDAPI_Device *device)
{
if (device->driver) {
/* Already setup */
return;
}
device->driver = HIDAPI_GetDeviceDriver(device);
if (device->driver) {
const char *name = device->driver->GetDeviceName(device->vendor_id, device->product_id);
if (name) {
SDL_free(device->name);
device->name = SDL_strdup(name);
}
}
/* Initialize the device, which may cause a connected event */
if (device->driver && !device->driver->InitDevice(device)) {
device->driver = NULL;
}
}
static void
HIDAPI_CleanupDeviceDriver(SDL_HIDAPI_Device *device)
{
int i;
if (!device->driver) {
/* Already cleaned up */
return;
}
/* Disconnect any joysticks */
for (i = 0; i < device->num_joysticks; ++i) {
SDL_Joystick *joystick = SDL_JoystickFromInstanceID(device->joysticks[i]);
if (joystick) {
HIDAPI_JoystickClose(joystick);
}
HIDAPI_JoystickDisconnected(device, device->joysticks[i]);
}
device->driver->FreeDevice(device);
device->driver = NULL;
}
static void SDLCALL
SDL_HIDAPIDriverHintChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
{
@ -500,30 +531,18 @@ SDL_HIDAPIDriverHintChanged(void *userdata, const char *name, const char *oldVal
}
/* Update device list if driver availability changes */
SDL_LockMutex(SDL_HIDAPI_mutex);
while (device) {
if (device->driver) {
if (!device->driver->enabled) {
device->driver = NULL;
--SDL_HIDAPI_numjoysticks;
SDL_PrivateJoystickRemoved(device->instance_id);
}
} else {
device->driver = HIDAPI_GetDeviceDriver(device);
if (device->driver) {
device->instance_id = SDL_GetNextJoystickInstanceID();
++SDL_HIDAPI_numjoysticks;
SDL_PrivateJoystickAdded(device->instance_id);
}
if (device->driver && !device->driver->enabled) {
HIDAPI_CleanupDeviceDriver(device);
}
HIDAPI_SetupDeviceDriver(device);
device = device->next;
}
}
static void HIDAPI_JoystickDetect(void);
SDL_UnlockMutex(SDL_HIDAPI_mutex);
}
static int
HIDAPI_JoystickInit(void)
@ -539,6 +558,8 @@ HIDAPI_JoystickInit(void)
return -1;
}
SDL_HIDAPI_mutex = SDL_CreateMutex();
for (i = 0; i < SDL_arraysize(SDL_HIDAPI_drivers); ++i) {
SDL_HIDAPI_DeviceDriver *driver = SDL_HIDAPI_drivers[i];
SDL_AddHintCallback(driver->hint, SDL_HIDAPIDriverHintChanged, NULL);
@ -553,6 +574,47 @@ HIDAPI_JoystickInit(void)
return 0;
}
SDL_bool
HIDAPI_JoystickConnected(SDL_HIDAPI_Device *device, SDL_JoystickID *pJoystickID)
{
SDL_JoystickID joystickID;
SDL_JoystickID *joysticks = (SDL_JoystickID *)SDL_realloc(device->joysticks, (device->num_joysticks + 1)*sizeof(*device->joysticks));
if (!joysticks) {
return SDL_FALSE;
}
joystickID = SDL_GetNextJoystickInstanceID();
device->joysticks = joysticks;
device->joysticks[device->num_joysticks++] = joystickID;
++SDL_HIDAPI_numjoysticks;
SDL_PrivateJoystickAdded(joystickID);
if (pJoystickID) {
*pJoystickID = joystickID;
}
return SDL_TRUE;
}
void
HIDAPI_JoystickDisconnected(SDL_HIDAPI_Device *device, SDL_JoystickID joystickID)
{
int i;
for (i = 0; i < device->num_joysticks; ++i) {
if (device->joysticks[i] == joystickID) {
SDL_memcpy(&device->joysticks[i], &device->joysticks[i+1], device->num_joysticks - i - 1);
--device->num_joysticks;
--SDL_HIDAPI_numjoysticks;
if (!shutting_down) {
SDL_PrivateJoystickRemoved(joystickID);
}
return;
}
}
}
static int
HIDAPI_JoystickGetCount(void)
{
@ -573,7 +635,11 @@ HIDAPI_AddDevice(struct hid_device_info *info)
if (!device) {
return;
}
device->instance_id = -1;
device->path = SDL_strdup(info->path);
if (!device->path) {
SDL_free(device);
return;
}
device->seen = SDL_TRUE;
device->vendor_id = info->vendor_id;
device->product_id = info->product_id;
@ -651,33 +717,13 @@ HIDAPI_AddDevice(struct hid_device_info *info)
size_t name_size = (6 + 1 + 6 + 1);
device->name = (char *)SDL_malloc(name_size);
if (!device->name) {
SDL_free(device->path);
SDL_free(device);
return;
}
SDL_snprintf(device->name, name_size, "0x%.4x/0x%.4x", info->vendor_id, info->product_id);
}
device->driver = HIDAPI_GetDeviceDriver(device);
if (device->driver) {
const char *name = device->driver->GetDeviceName(device->vendor_id, device->product_id);
if (name) {
SDL_free(device->name);
device->name = SDL_strdup(name);
}
}
device->path = SDL_strdup(info->path);
if (!device->path) {
SDL_free(device->name);
SDL_free(device);
return;
}
#ifdef DEBUG_HIDAPI
SDL_Log("Adding HIDAPI device '%s' VID 0x%.4x, PID 0x%.4x, version %d, interface %d, usage page 0x%.4x, usage 0x%.4x, driver = %s\n", device->name, device->vendor_id, device->product_id, device->version, device->interface_number, device->usage_page, device->usage, device->driver ? device->driver->hint : "NONE");
#endif
/* Add it to the list */
if (last) {
last->next = device;
@ -685,19 +731,16 @@ HIDAPI_AddDevice(struct hid_device_info *info)
SDL_HIDAPI_devices = device;
}
if (device->driver) {
/* It's a joystick! */
device->instance_id = SDL_GetNextJoystickInstanceID();
#ifdef DEBUG_HIDAPI
SDL_Log("Added HIDAPI device '%s' VID 0x%.4x, PID 0x%.4x, version %d, interface %d, usage page 0x%.4x, usage 0x%.4x, driver = %s\n", device->name, device->vendor_id, device->product_id, device->version, device->interface_number, device->usage_page, device->usage, device->driver ? device->driver->hint : "NONE");
#endif
++SDL_HIDAPI_numjoysticks;
SDL_PrivateJoystickAdded(device->instance_id);
}
HIDAPI_SetupDeviceDriver(device);
}
static void
HIDAPI_DelDevice(SDL_HIDAPI_Device *device, SDL_bool send_event)
HIDAPI_DelDevice(SDL_HIDAPI_Device *device)
{
SDL_HIDAPI_Device *curr, *last;
for (curr = SDL_HIDAPI_devices, last = NULL; curr; last = curr, curr = curr->next) {
@ -708,12 +751,7 @@ HIDAPI_DelDevice(SDL_HIDAPI_Device *device, SDL_bool send_event)
SDL_HIDAPI_devices = curr->next;
}
if (device->driver && send_event) {
/* Need to decrement the joystick count before we post the event */
--SDL_HIDAPI_numjoysticks;
SDL_PrivateJoystickRemoved(device->instance_id);
}
HIDAPI_CleanupDeviceDriver(device);
SDL_free(device->name);
SDL_free(device->path);
@ -729,6 +767,8 @@ HIDAPI_UpdateDeviceList(void)
SDL_HIDAPI_Device *device;
struct hid_device_info *devs, *info;
SDL_LockMutex(SDL_HIDAPI_mutex);
/* Prepare the existing device list */
device = SDL_HIDAPI_devices;
while (device) {
@ -758,10 +798,12 @@ HIDAPI_UpdateDeviceList(void)
SDL_HIDAPI_Device *next = device->next;
if (!device->seen) {
HIDAPI_DelDevice(device, SDL_TRUE);
HIDAPI_DelDevice(device);
}
device = next;
}
SDL_UnlockMutex(SDL_HIDAPI_mutex);
}
SDL_bool
@ -799,18 +841,45 @@ HIDAPI_IsDevicePresent(Uint16 vendor_id, Uint16 product_id, Uint16 version, cons
static void
HIDAPI_JoystickDetect(void)
{
SDL_HIDAPI_Device *device;
HIDAPI_UpdateDiscovery();
if (SDL_HIDAPI_discovery.m_bHaveDevicesChanged) {
/* FIXME: We probably need to schedule an update in a few seconds as well */
HIDAPI_UpdateDeviceList();
SDL_HIDAPI_discovery.m_bHaveDevicesChanged = SDL_FALSE;
}
/* Update the devices, which may change connected joysticks and send events */
SDL_LockMutex(SDL_HIDAPI_mutex);
/* Prepare the existing device list */
device = SDL_HIDAPI_devices;
while (device) {
if (device->driver) {
device->driver->UpdateDevice(device);
}
device = device->next;
}
SDL_UnlockMutex(SDL_HIDAPI_mutex);
}
static const char *
HIDAPI_JoystickGetDeviceName(int device_index)
{
return HIDAPI_GetJoystickByIndex(device_index)->name;
SDL_HIDAPI_Device *device;
const char *name = NULL;
SDL_LockMutex(SDL_HIDAPI_mutex);
device = HIDAPI_GetDeviceByIndex(device_index, NULL);
if (device) {
/* FIXME: The device could be freed after this name is returned... */
name = device->name;
}
SDL_UnlockMutex(SDL_HIDAPI_mutex);
return name;
}
static int
@ -822,36 +891,45 @@ HIDAPI_JoystickGetDevicePlayerIndex(int device_index)
static SDL_JoystickGUID
HIDAPI_JoystickGetDeviceGUID(int device_index)
{
return HIDAPI_GetJoystickByIndex(device_index)->guid;
SDL_HIDAPI_Device *device;
SDL_JoystickGUID guid;
SDL_LockMutex(SDL_HIDAPI_mutex);
device = HIDAPI_GetDeviceByIndex(device_index, NULL);
if (device) {
SDL_memcpy(&guid, &device->guid, sizeof(guid));
} else {
SDL_zero(guid);
}
SDL_UnlockMutex(SDL_HIDAPI_mutex);
return guid;
}
static SDL_JoystickID
HIDAPI_JoystickGetDeviceInstanceID(int device_index)
{
return HIDAPI_GetJoystickByIndex(device_index)->instance_id;
SDL_JoystickID joystickID;
SDL_LockMutex(SDL_HIDAPI_mutex);
HIDAPI_GetDeviceByIndex(device_index, &joystickID);
SDL_UnlockMutex(SDL_HIDAPI_mutex);
return joystickID;
}
static int
HIDAPI_JoystickOpen(SDL_Joystick * joystick, int device_index)
{
SDL_HIDAPI_Device *device = HIDAPI_GetJoystickByIndex(device_index);
SDL_JoystickID joystickID;
SDL_HIDAPI_Device *device = HIDAPI_GetDeviceByIndex(device_index, &joystickID);
struct joystick_hwdata *hwdata;
hwdata = (struct joystick_hwdata *)SDL_calloc(1, sizeof(*hwdata));
if (!hwdata) {
return SDL_OutOfMemory();
}
hwdata->device = device;
hwdata->driver = device->driver;
hwdata->dev = hid_open_path(device->path, 0);
if (!hwdata->dev) {
SDL_free(hwdata);
return SDL_SetError("Couldn't open HID device %s", device->path);
}
hwdata->mutex = SDL_CreateMutex();
if (!device->driver->Init(joystick, hwdata->dev, device->vendor_id, device->product_id, &hwdata->context)) {
hid_close(hwdata->dev);
if (!device->driver->OpenJoystick(device, joystick)) {
SDL_free(hwdata);
return -1;
}
@ -863,49 +941,41 @@ HIDAPI_JoystickOpen(SDL_Joystick * joystick, int device_index)
static int
HIDAPI_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
{
struct joystick_hwdata *hwdata = joystick->hwdata;
SDL_HIDAPI_DeviceDriver *driver = hwdata->driver;
int result;
SDL_LockMutex(hwdata->mutex);
result = driver->Rumble(joystick, hwdata->dev, hwdata->context, low_frequency_rumble, high_frequency_rumble, duration_ms);
SDL_UnlockMutex(hwdata->mutex);
SDL_LockMutex(SDL_HIDAPI_mutex);
if (joystick->hwdata) {
SDL_HIDAPI_Device *device = joystick->hwdata->device;
result = device->driver->RumbleJoystick(device, joystick, low_frequency_rumble, high_frequency_rumble, duration_ms);
} else {
SDL_SetError("Rumble failed, device disconnected");
result = -1;
}
SDL_UnlockMutex(SDL_HIDAPI_mutex);
return result;
}
static void
HIDAPI_JoystickUpdate(SDL_Joystick * joystick)
{
struct joystick_hwdata *hwdata = joystick->hwdata;
SDL_HIDAPI_DeviceDriver *driver = hwdata->driver;
SDL_bool succeeded;
SDL_LockMutex(hwdata->mutex);
succeeded = driver->Update(joystick, hwdata->dev, hwdata->context);
SDL_UnlockMutex(hwdata->mutex);
if (!succeeded) {
SDL_HIDAPI_Device *device;
for (device = SDL_HIDAPI_devices; device; device = device->next) {
if (device->instance_id == joystick->instance_id) {
HIDAPI_DelDevice(device, SDL_TRUE);
break;
}
}
}
/* This is handled in HIDAPI_JoystickDetect() */
}
static void
HIDAPI_JoystickClose(SDL_Joystick * joystick)
{
struct joystick_hwdata *hwdata = joystick->hwdata;
SDL_HIDAPI_DeviceDriver *driver = hwdata->driver;
driver->Quit(joystick, hwdata->dev, hwdata->context);
SDL_LockMutex(SDL_HIDAPI_mutex);
if (joystick->hwdata) {
SDL_HIDAPI_Device *device = joystick->hwdata->device;
hid_close(hwdata->dev);
SDL_DestroyMutex(hwdata->mutex);
SDL_free(hwdata);
joystick->hwdata = NULL;
device->driver->CloseJoystick(device, joystick);
SDL_free(joystick->hwdata);
joystick->hwdata = NULL;
}
SDL_UnlockMutex(SDL_HIDAPI_mutex);
}
static void
@ -913,10 +983,12 @@ HIDAPI_JoystickQuit(void)
{
int i;
shutting_down = SDL_TRUE;
HIDAPI_ShutdownDiscovery();
while (SDL_HIDAPI_devices) {
HIDAPI_DelDevice(SDL_HIDAPI_devices, SDL_FALSE);
HIDAPI_DelDevice(SDL_HIDAPI_devices);
}
for (i = 0; i < SDL_arraysize(SDL_HIDAPI_drivers); ++i) {
SDL_HIDAPI_DeviceDriver *driver = SDL_HIDAPI_drivers[i];
@ -924,10 +996,14 @@ HIDAPI_JoystickQuit(void)
}
SDL_DelHintCallback(SDL_HINT_JOYSTICK_HIDAPI,
SDL_HIDAPIDriverHintChanged, NULL);
SDL_HIDAPI_numjoysticks = 0;
SDL_DestroyMutex(SDL_HIDAPI_mutex);
hid_exit();
/* Make sure the drivers cleaned up properly */
SDL_assert(SDL_HIDAPI_numjoysticks == 0);
shutting_down = SDL_FALSE;
initialized = SDL_FALSE;
}

40
src/joystick/hidapi/SDL_hidapijoystick_c.h
View File

@ -46,16 +46,45 @@
/* Prevent rumble duration overflow */
#define SDL_MAX_RUMBLE_DURATION_MS 0x0fffffff
/* Forward declaration */
struct _SDL_HIDAPI_DeviceDriver;
typedef struct _SDL_HIDAPI_Device
{
char *name;
char *path;
Uint16 vendor_id;
Uint16 product_id;
Uint16 version;
SDL_JoystickGUID guid;
int interface_number; /* Available on Windows and Linux */
Uint16 usage_page; /* Available on Windows and Mac OS X */
Uint16 usage; /* Available on Windows and Mac OS X */
struct _SDL_HIDAPI_DeviceDriver *driver;
void *context;
hid_device *dev;
int num_joysticks;
SDL_JoystickID *joysticks;
/* Used during scanning for device changes */
SDL_bool seen;
struct _SDL_HIDAPI_Device *next;
} SDL_HIDAPI_Device;
typedef struct _SDL_HIDAPI_DeviceDriver
{
const char *hint;
SDL_bool enabled;
SDL_bool (*IsSupportedDevice)(Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, const char *name);
const char *(*GetDeviceName)(Uint16 vendor_id, Uint16 product_id);
SDL_bool (*Init)(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context);
int (*Rumble)(SDL_Joystick *joystick, hid_device *dev, void *context, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
SDL_bool (*Update)(SDL_Joystick *joystick, hid_device *dev, void *context);
void (*Quit)(SDL_Joystick *joystick, hid_device *dev, void *context);
SDL_bool (*InitDevice)(SDL_HIDAPI_Device *device);
SDL_bool (*UpdateDevice)(SDL_HIDAPI_Device *device);
SDL_bool (*OpenJoystick)(SDL_HIDAPI_Device *device, SDL_Joystick *joystick);
int (*RumbleJoystick)(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
void (*CloseJoystick)(SDL_HIDAPI_Device *device, SDL_Joystick *joystick);
void (*FreeDevice)(SDL_HIDAPI_Device *device);
} SDL_HIDAPI_DeviceDriver;
@ -69,6 +98,9 @@ extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXboxOne;
/* Return true if a HID device is present and supported as a joystick */
extern SDL_bool HIDAPI_IsDevicePresent(Uint16 vendor_id, Uint16 product_id, Uint16 version, const char *name);
extern SDL_bool HIDAPI_JoystickConnected(SDL_HIDAPI_Device *device, SDL_JoystickID *pJoystickID);
extern void HIDAPI_JoystickDisconnected(SDL_HIDAPI_Device *device, SDL_JoystickID joystickID);
#endif /* SDL_JOYSTICK_HIDAPI_H */
/* vi: set ts=4 sw=4 expandtab: */