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Handle hotplugging of Wii controller extensions

main
Sam Lantinga 2022-09-01 21:13:16 -07:00
parent 396411c090
commit 8381e008ea
2 changed files with 42 additions and 18 deletions
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57
src/joystick/hidapi/SDL_hidapi_wii.c
View File

@ -254,7 +254,7 @@ static SDL_bool ReadRegister(SDL_DriverWii_Context *ctx, Uint32 address, int siz
return SDL_TRUE;
}
static SDL_bool ParseExtensionResponse(SDL_DriverWii_Context *ctx)
static SDL_bool ParseExtensionResponse(SDL_DriverWii_Context *ctx, EWiiExtensionControllerType *controller_type)
{
Uint64 type = 0;
int i;
@ -278,23 +278,23 @@ static SDL_bool ParseExtensionResponse(SDL_DriverWii_Context *ctx)
}
if (type == 0x0000A4200000) {
ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_Nunchuck;
*controller_type = k_eWiiExtensionControllerType_Nunchuck;
return SDL_TRUE;
}
if (type == 0x0000A4200101) {
ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_ClassicController;
*controller_type = k_eWiiExtensionControllerType_ClassicController;
return SDL_TRUE;
}
if (type == 0x0100A4200101) {
ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_ClassicControllerPro;
*controller_type = k_eWiiExtensionControllerType_ClassicControllerPro;
return SDL_TRUE;
}
if (type == 0x0000A4200120) {
ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_WiiUPro;
*controller_type = k_eWiiExtensionControllerType_WiiUPro;
return SDL_TRUE;
}
ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_Unknown;
*controller_type = k_eWiiExtensionControllerType_Unknown;
SDL_SetError("Unrecognized controller type: %012" SDL_PRIx64, type);
return SDL_FALSE;
}
@ -472,7 +472,7 @@ static void SDLCALL SDL_PlayerLEDHintChanged(void *userdata, const char *name, c
static EWiiExtensionControllerType
ReadControllerType(SDL_HIDAPI_Device *device)
{
EWiiExtensionControllerType eControllerType = k_eWiiExtensionControllerType_Unknown;
EWiiExtensionControllerType eExtensionControllerType = k_eWiiExtensionControllerType_Unknown;
/* Create enough of a context to read the controller type from the device */
SDL_DriverWii_Context *ctx = (SDL_DriverWii_Context *)SDL_calloc(1, sizeof(*ctx));
@ -491,11 +491,11 @@ ReadControllerType(SDL_HIDAPI_Device *device)
Uint8 data_0x00 = 0x00;
if (WriteRegister(ctx, 0xA400F0, &data_0x55, sizeof(data_0x55), SDL_TRUE) &&
WriteRegister(ctx, 0xA400FB, &data_0x00, sizeof(data_0x00), SDL_TRUE) &&
ReadRegister(ctx, 0xA400FA, 6, SDL_TRUE) && ParseExtensionResponse(ctx)) {
eControllerType = ctx->m_eExtensionControllerType;
ReadRegister(ctx, 0xA400FA, 6, SDL_TRUE)) {
ParseExtensionResponse(ctx, &eExtensionControllerType);
}
} else {
eControllerType = k_eWiiExtensionControllerType_None;
eExtensionControllerType = k_eWiiExtensionControllerType_None;
}
}
SDL_hid_close(device->dev);
@ -503,16 +503,16 @@ ReadControllerType(SDL_HIDAPI_Device *device)
}
SDL_free(ctx);
}
return eControllerType;
return eExtensionControllerType;
}
static void
UpdateDeviceIdentity(SDL_HIDAPI_Device *device)
{
EWiiExtensionControllerType eControllerType = (EWiiExtensionControllerType)device->guid.data[15];
EWiiExtensionControllerType eExtensionControllerType = (EWiiExtensionControllerType)device->guid.data[15];
const char *name = NULL;
switch (eControllerType) {
switch (eExtensionControllerType) {
case k_eWiiExtensionControllerType_None:
name = "Nintendo Wii Remote";
break;
@ -543,8 +543,8 @@ static SDL_bool
HIDAPI_DriverWii_InitDevice(SDL_HIDAPI_Device *device)
{
if (device->vendor_id == USB_VENDOR_NINTENDO) {
EWiiExtensionControllerType eControllerType = ReadControllerType(device);
device->guid.data[15] = eControllerType;
EWiiExtensionControllerType eExtensionControllerType = ReadControllerType(device);
device->guid.data[15] = eExtensionControllerType;
UpdateDeviceIdentity(device);
}
return HIDAPI_JoystickConnected(device, NULL);
@ -593,6 +593,8 @@ HIDAPI_DriverWii_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
InitStickCalibrationData(ctx);
RequestButtonPacketType(ctx, GetButtonPacketType(ctx));
SDL_AddHintCallback(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS,
SDL_GameControllerButtonReportingHintChanged, ctx);
@ -613,8 +615,6 @@ HIDAPI_DriverWii_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
}
joystick->naxes = SDL_CONTROLLER_AXIS_MAX;
RequestButtonPacketType(ctx, GetButtonPacketType(ctx));
ctx->m_unLastInput = SDL_GetTicks();
return SDL_TRUE;
@ -861,7 +861,28 @@ static void HandleStatus(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
/* Wii U has separate battery level tracking */
UpdatePowerLevelWii(joystick, ctx->m_rgucReadBuffer[6]);
}
/* TODO: Check Extensions */
/* Check to see if extensions have changed */
{
EWiiExtensionControllerType eExtensionControllerType = k_eWiiExtensionControllerType_Unknown;
SDL_bool hasExtension = (ctx->m_rgucReadBuffer[3] & 2) ? SDL_TRUE : SDL_FALSE;
if (hasExtension) {
/* http://wiibrew.org/wiki/Wiimote/Extension_Controllers#The_New_Way */
Uint8 data_0x55 = 0x55;
Uint8 data_0x00 = 0x00;
if (WriteRegister(ctx, 0xA400F0, &data_0x55, sizeof(data_0x55), SDL_TRUE) &&
WriteRegister(ctx, 0xA400FB, &data_0x00, sizeof(data_0x00), SDL_TRUE) &&
ReadRegister(ctx, 0xA400FA, 6, SDL_TRUE)) {
ParseExtensionResponse(ctx, &eExtensionControllerType);
}
} else {
eExtensionControllerType = k_eWiiExtensionControllerType_None;
}
if (eExtensionControllerType != ctx->m_eExtensionControllerType) {
/* Mark this controller as disconnected so we re-connect with a new identity */
HIDAPI_JoystickDisconnected(ctx->device, joystick->instance_id);
}
}
}
static void HandleResponse(SDL_DriverWii_Context *ctx)

3
src/joystick/hidapi/SDL_hidapijoystick.c
View File

@ -834,6 +834,9 @@ check_removed:
goto check_removed;
} else {
HIDAPI_DelDevice(device);
/* Update the device list again in case this device comes back */
SDL_HIDAPI_change_count = 0;
}
}
device = next;