Refactored HIDAPI controller code to support dongles and hubs that dynamically attach controllers
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diff --git a/src/joystick/hidapi/SDL_hidapi_ps4.c b/src/joystick/hidapi/SDL_hidapi_ps4.c
index 9d005b0..5a32ed8 100644
--- a/src/joystick/hidapi/SDL_hidapi_ps4.c
+++ b/src/joystick/hidapi/SDL_hidapi_ps4.c
@@ -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 */
diff --git a/src/joystick/hidapi/SDL_hidapi_switch.c b/src/joystick/hidapi/SDL_hidapi_switch.c
index 09c7fd0..0cc0157 100644
--- a/src/joystick/hidapi/SDL_hidapi_switch.c
+++ b/src/joystick/hidapi/SDL_hidapi_switch.c
@@ -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_InitDevice(SDL_HIDAPI_Device *device)
+{
+ return HIDAPI_JoystickConnected(device, NULL);
+}
+
static SDL_bool
-HIDAPI_DriverSwitch_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context)
+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 */
diff --git a/src/joystick/hidapi/SDL_hidapi_xbox360.c b/src/joystick/hidapi/SDL_hidapi_xbox360.c
index 453c4c1..0490392 100644
--- a/src/joystick/hidapi/SDL_hidapi_xbox360.c
+++ b/src/joystick/hidapi/SDL_hidapi_xbox360.c
@@ -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 */
diff --git a/src/joystick/hidapi/SDL_hidapi_xboxone.c b/src/joystick/hidapi/SDL_hidapi_xboxone.c
index 54e07e8..1ddd1a8 100644
--- a/src/joystick/hidapi/SDL_hidapi_xboxone.c
+++ b/src/joystick/hidapi/SDL_hidapi_xboxone.c
@@ -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 */
diff --git a/src/joystick/hidapi/SDL_hidapijoystick.c b/src/joystick/hidapi/SDL_hidapijoystick.c
index 328a84c..929acbd 100644
--- a/src/joystick/hidapi/SDL_hidapijoystick.c
+++ b/src/joystick/hidapi/SDL_hidapijoystick.c
@@ -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 */
- while (device) {
- if (device->driver) {
- if (!device->driver->enabled) {
- device->driver = NULL;
-
- --SDL_HIDAPI_numjoysticks;
+ SDL_LockMutex(SDL_HIDAPI_mutex);
- 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);
- }
+ while (device) {
+ 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();
-
- ++SDL_HIDAPI_numjoysticks;
+#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_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;
}
diff --git a/src/joystick/hidapi/SDL_hidapijoystick_c.h b/src/joystick/hidapi/SDL_hidapijoystick_c.h
index 3acfc47..36d1b25 100644
--- a/src/joystick/hidapi/SDL_hidapijoystick_c.h
+++ b/src/joystick/hidapi/SDL_hidapijoystick_c.h
@@ -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: */