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hidapi: Add support for Wii U/Switch USB GameCube controller adapter.

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Note that a single USB device is responsible for all 4 joysticks, so a large
rewrite of the DeviceDriver functions was necessary to allow a single device to
produce multiple joysticks.
This commit is contained in:
Ethan Lee
2019-03-12 20:27:54 -04:00
parent 938a5508d1
commit c528615626
13 changed files with 724 additions and 176 deletions
Download Patch File Download Diff File Expand all files Collapse all files

88
src/joystick/hidapi/SDL_hidapi_ps4.c
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@@ -108,6 +108,7 @@ typedef struct
} DS4EffectsState_t;
typedef struct {
SDL_JoystickID joystickID;
SDL_bool is_dongle;
SDL_bool is_bluetooth;
SDL_bool audio_supported;
@@ -272,10 +273,8 @@ 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_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id, Uint16 product_id, void **context)
HIDAPI_DriverPS4_InitDriver(SDL_HIDAPI_DriverData *context, Uint16 vendor_id, Uint16 product_id, int *num_joysticks)
{
SDL_DriverPS4_Context *ctx;
@@ -284,14 +283,14 @@ HIDAPI_DriverPS4_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id,
SDL_OutOfMemory();
return SDL_FALSE;
}
*context = ctx;
context->context = ctx;
/* Check for type of connection */
ctx->is_dongle = (vendor_id == SONY_USB_VID && 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);
ctx->is_bluetooth = !CheckUSBConnected(context->device);
} else {
/* Third party controllers appear to all be wired */
ctx->is_bluetooth = SDL_FALSE;
@@ -314,8 +313,45 @@ HIDAPI_DriverPS4_Init(SDL_Joystick *joystick, hid_device *dev, Uint16 vendor_id,
}
}
ctx->joystickID = SDL_GetNextJoystickInstanceID();
*num_joysticks += 1;
SDL_PrivateJoystickAdded(ctx->joystickID);
return SDL_TRUE;
}
static void
HIDAPI_DriverPS4_QuitDriver(SDL_HIDAPI_DriverData *context, SDL_bool send_event, int *num_joysticks)
{
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)context->context;
*num_joysticks -= 1;
if (send_event) {
SDL_PrivateJoystickRemoved(ctx->joystickID);
}
SDL_free(context->context);
}
static int
HIDAPI_DriverPS4_NumJoysticks(SDL_HIDAPI_DriverData *context)
{
return 1;
}
static SDL_JoystickID
HIDAPI_DriverPS4_InstanceIDForIndex(SDL_HIDAPI_DriverData *context, int index)
{
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)context->context;
return ctx->joystickID;
}
static int HIDAPI_DriverPS4_Rumble(SDL_HIDAPI_DriverData *context, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
static SDL_bool
HIDAPI_DriverPS4_OpenJoystick(SDL_HIDAPI_DriverData *context, SDL_Joystick *joystick)
{
/* Initialize LED and effect state */
HIDAPI_DriverPS4_Rumble(joystick, dev, ctx, 0, 0, 0);
HIDAPI_DriverPS4_Rumble(context, joystick, 0, 0, 0);
/* Initialize the joystick capabilities */
joystick->nbuttons = SDL_CONTROLLER_BUTTON_MAX;
@@ -326,9 +362,9 @@ 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_Rumble(SDL_HIDAPI_DriverData *context, 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 *)context->context;
DS4EffectsState_t *effects;
Uint8 data[78];
int report_size, offset;
@@ -386,7 +422,7 @@ 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(context->device, data, report_size) != report_size) {
return SDL_SetError("Couldn't send rumble packet");
}
@@ -508,20 +544,25 @@ 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_UpdateDriver(SDL_HIDAPI_DriverData *context, int *num_joysticks)
{
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)context;
SDL_DriverPS4_Context *ctx = (SDL_DriverPS4_Context *)context->context;
SDL_Joystick *joystick = SDL_JoystickFromInstanceID(ctx->joystickID);
Uint8 data[USB_PACKET_LENGTH];
int size;
while ((size = hid_read_timeout(dev, data, sizeof(data), 0)) > 0) {
if (joystick == NULL) {
return SDL_TRUE; /* Nothing to do right now! */
}
while ((size = hid_read_timeout(context->device, 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, context->device, 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, context->device, ctx, (PS4StatePacket_t *)&data[3]);
break;
default:
#ifdef DEBUG_JOYSTICK
@@ -534,29 +575,26 @@ 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_Rumble(context, joystick, 0, 0, 0);
}
}
return (size >= 0);
}
static void
HIDAPI_DriverPS4_Quit(SDL_Joystick *joystick, hid_device *dev, void *context)
{
SDL_free(context);
}
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS4 =
{
SDL_HINT_JOYSTICK_HIDAPI_PS4,
SDL_TRUE,
HIDAPI_DriverPS4_IsSupportedDevice,
HIDAPI_DriverPS4_GetDeviceName,
HIDAPI_DriverPS4_Init,
HIDAPI_DriverPS4_Rumble,
HIDAPI_DriverPS4_Update,
HIDAPI_DriverPS4_Quit
HIDAPI_DriverPS4_InitDriver,
HIDAPI_DriverPS4_QuitDriver,
HIDAPI_DriverPS4_UpdateDriver,
HIDAPI_DriverPS4_NumJoysticks,
HIDAPI_DriverPS4_InstanceIDForIndex,
HIDAPI_DriverPS4_OpenJoystick,
HIDAPI_DriverPS4_Rumble
};
#endif /* SDL_JOYSTICK_HIDAPI_PS4 */