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Updated Wii support with @tellowkrinkle's changes in 2f288e9d5b

main
Sam Lantinga 2022-09-02 08:28:28 -07:00
parent 785d784a93
commit 5f3cb54972
1 changed files with 349 additions and 139 deletions
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488
src/joystick/hidapi/SDL_hidapi_wii.c
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@ -80,6 +80,29 @@ typedef enum {
k_eWiiPlayerLEDs_P4 = 0x80,
} EWiiPlayerLEDs;
typedef enum {
k_eWiiCommunicationState_None, /* No special communications happening */
k_eWiiCommunicationState_Error, /* Special communications failed, controller communications may be broken */
k_eWiiCommunicationState_ExtensionIdentify1, /* Sent first write for requesting extension info, awaiting ack to send second */
k_eWiiCommunicationState_ExtensionIdentify2, /* Sent second write for requesting extension info, awaiting ack to send read */
k_eWiiCommunicationState_ExtensionIdentify3, /* Sent read request for extension info, awaiting response */
} EWiiCommunicationState;
typedef enum {
k_eWiiButtons_A = SDL_CONTROLLER_BUTTON_MISC1,
k_eWiiButtons_B,
k_eWiiButtons_One,
k_eWiiButtons_Two,
k_eWiiButtons_Plus,
k_eWiiButtons_Minus,
k_eWiiButtons_Home,
k_eWiiButtons_DPad_Up,
k_eWiiButtons_DPad_Down,
k_eWiiButtons_DPad_Left,
k_eWiiButtons_DPad_Right,
k_eWiiButtons_Max
} EWiiButtons;
#define k_unWiiPacketDataLength 22
typedef struct {
@ -93,6 +116,7 @@ typedef struct {
typedef struct {
SDL_HIDAPI_Device *device;
EWiiCommunicationState m_eCommState;
EWiiExtensionControllerType m_eExtensionControllerType;
SDL_bool m_bUseButtonLabels;
SDL_bool m_bPlayerLights;
@ -254,14 +278,34 @@ static SDL_bool ReadRegister(SDL_DriverWii_Context *ctx, Uint32 address, int siz
return SDL_TRUE;
}
static SDL_bool ParseExtensionResponse(SDL_DriverWii_Context *ctx, EWiiExtensionControllerType *controller_type)
static SDL_bool SendExtensionIdentify1(SDL_DriverWii_Context *ctx, SDL_bool sync)
{
char data = 0x55;
return WriteRegister(ctx, 0xA400F0, &data, sizeof(data), sync);
}
static SDL_bool SendExtensionIdentify2(SDL_DriverWii_Context *ctx, SDL_bool sync)
{
char data = 0x00;
return WriteRegister(ctx, 0xA400FB, &data, sizeof(data), sync);
}
static SDL_bool SendExtensionIdentify3(SDL_DriverWii_Context *ctx, SDL_bool sync)
{
return ReadRegister(ctx, 0xA400FA, 6, sync);
}
static SDL_bool ParseExtensionResponse(SDL_DriverWii_Context *ctx, EWiiExtensionControllerType *extension_type)
{
Uint64 type = 0;
int i;
*controller_type = k_eWiiExtensionControllerType_Unknown;
*extension_type = k_eWiiExtensionControllerType_Unknown;
SDL_assert(ctx->m_rgucReadBuffer[0] == k_eWiiInputReportIDs_ReadMemory);
if (ctx->m_rgucReadBuffer[0] != k_eWiiInputReportIDs_ReadMemory) {
SDL_SetError("Unexpected extension response type");
return SDL_FALSE;
}
if (ctx->m_rgucReadBuffer[4] != 0x00 || ctx->m_rgucReadBuffer[5] != 0xFA) {
SDL_SetError("Unexpected extension response address");
return SDL_FALSE;
@ -280,19 +324,19 @@ static SDL_bool ParseExtensionResponse(SDL_DriverWii_Context *ctx, EWiiExtension
}
if (type == 0x0000A4200000) {
*controller_type = k_eWiiExtensionControllerType_Nunchuck;
*extension_type = k_eWiiExtensionControllerType_Nunchuck;
return SDL_TRUE;
}
if (type == 0x0000A4200101) {
*controller_type = k_eWiiExtensionControllerType_ClassicController;
*extension_type = k_eWiiExtensionControllerType_ClassicController;
return SDL_TRUE;
}
if (type == 0x0100A4200101) {
*controller_type = k_eWiiExtensionControllerType_ClassicControllerPro;
*extension_type = k_eWiiExtensionControllerType_ClassicControllerPro;
return SDL_TRUE;
}
if (type == 0x0000A4200120) {
*controller_type = k_eWiiExtensionControllerType_WiiUPro;
*extension_type = k_eWiiExtensionControllerType_WiiUPro;
return SDL_TRUE;
}
@ -380,16 +424,16 @@ static void InitStickCalibrationData(SDL_DriverWii_Context *ctx)
case k_eWiiExtensionControllerType_ClassicController:
case k_eWiiExtensionControllerType_ClassicControllerPro:
for (i = 0; i < 4; i++) {
ctx->m_StickCalibrationData[i].min = 0;
ctx->m_StickCalibrationData[i].max = i < 2 ? 63 : 31;
ctx->m_StickCalibrationData[i].min = i < 2 ? 9 : 5;
ctx->m_StickCalibrationData[i].max = i < 2 ? 54 : 26;
ctx->m_StickCalibrationData[i].center = 0;
ctx->m_StickCalibrationData[i].deadzone = i < 2 ? 4 : 2;
}
break;
case k_eWiiExtensionControllerType_Nunchuck:
for (i = 0; i < 2; i++) {
ctx->m_StickCalibrationData[i].min = 128 - 80;
ctx->m_StickCalibrationData[i].max = 128 + 80;
ctx->m_StickCalibrationData[i].min = 40;
ctx->m_StickCalibrationData[i].max = 215;
ctx->m_StickCalibrationData[i].center = 0;
ctx->m_StickCalibrationData[i].deadzone = 10;
}
@ -399,32 +443,18 @@ static void InitStickCalibrationData(SDL_DriverWii_Context *ctx)
}
}
static void InitializeExtension(SDL_DriverWii_Context *ctx)
{
InitStickCalibrationData(ctx);
RequestButtonPacketType(ctx, GetButtonPacketType(ctx));
}
static void SDLCALL SDL_GameControllerButtonReportingHintChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
{
SDL_DriverWii_Context *ctx = (SDL_DriverWii_Context *)userdata;
ctx->m_bUseButtonLabels = SDL_GetStringBoolean(hint, SDL_TRUE);
}
static Uint8 RemapButton(SDL_DriverWii_Context *ctx, Uint8 button)
{
if (!ctx->m_bUseButtonLabels) {
/* Use button positions */
switch (button) {
case SDL_CONTROLLER_BUTTON_A:
return SDL_CONTROLLER_BUTTON_B;
case SDL_CONTROLLER_BUTTON_B:
return SDL_CONTROLLER_BUTTON_A;
case SDL_CONTROLLER_BUTTON_X:
return SDL_CONTROLLER_BUTTON_Y;
case SDL_CONTROLLER_BUTTON_Y:
return SDL_CONTROLLER_BUTTON_X;
default:
break;
}
}
return button;
}
static void UpdateSlotLED(SDL_DriverWii_Context *ctx)
{
Uint8 leds;
@ -488,11 +518,9 @@ ReadControllerType(SDL_HIDAPI_Device *device)
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)) {
if (SendExtensionIdentify1(ctx, SDL_TRUE) &&
SendExtensionIdentify2(ctx, SDL_TRUE) &&
SendExtensionIdentify3(ctx, SDL_TRUE)) {
ParseExtensionResponse(ctx, &eExtensionControllerType);
}
} else {
@ -592,7 +620,7 @@ HIDAPI_DriverWii_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
ctx->m_eExtensionControllerType = (EWiiExtensionControllerType)device->guid.data[15];
InitStickCalibrationData(ctx);
InitializeExtension(ctx);
SDL_AddHintCallback(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS,
SDL_GameControllerButtonReportingHintChanged, ctx);
@ -610,12 +638,10 @@ HIDAPI_DriverWii_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
joystick->nbuttons = 15;
} else {
/* Maximum is Classic Controller + Wiimote */
joystick->nbuttons = 25;
joystick->nbuttons = k_eWiiButtons_Max;
}
joystick->naxes = SDL_CONTROLLER_AXIS_MAX;
RequestButtonPacketType(ctx, GetButtonPacketType(ctx));
ctx->m_unLastInput = SDL_GetTicks();
return SDL_TRUE;
@ -720,109 +746,224 @@ static void PostStickCalibrated(SDL_Joystick *joystick, struct StickCalibrationD
SDL_PrivateJoystickAxis(joystick, axis, value);
}
static void HandleWiiUProButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, WiiButtonData data)
/* Send button data to SDL
*`defs` is a mapping for each bit to which button it represents. 0xFF indicates an unused bit
*`data` is the button data from the controller
*`size` is the number of bytes in `data` and the number of arrays of 8 mappings in `defs`
*`on` is the joystick value to be sent if a bit is on
*`off` is the joystick value to be sent if a bit is off
*/
static void PostPackedButtonData(SDL_Joystick *joystick, const Uint8 defs[][8], const Uint8* data, int size, Uint8 on, Uint8 off)
{
static const Uint8 axes[] = { SDL_CONTROLLER_AXIS_LEFTX, SDL_CONTROLLER_AXIS_RIGHTX, SDL_CONTROLLER_AXIS_LEFTY, SDL_CONTROLLER_AXIS_RIGHTY };
static const Uint8 buttons[3][8] = {
{
0xFF /* Unused */, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, SDL_CONTROLLER_BUTTON_START, SDL_CONTROLLER_BUTTON_GUIDE,
SDL_CONTROLLER_BUTTON_BACK, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, SDL_CONTROLLER_BUTTON_DPAD_DOWN, SDL_CONTROLLER_BUTTON_DPAD_RIGHT,
}, {
SDL_CONTROLLER_BUTTON_DPAD_UP, SDL_CONTROLLER_BUTTON_DPAD_LEFT, 0xFF /* ZR */, SDL_CONTROLLER_BUTTON_X,
SDL_CONTROLLER_BUTTON_A, SDL_CONTROLLER_BUTTON_Y, SDL_CONTROLLER_BUTTON_B, 0xFF /*ZL*/,
}, {
SDL_CONTROLLER_BUTTON_RIGHTSTICK, SDL_CONTROLLER_BUTTON_LEFTSTICK, 0xFF /* Charging */, 0xFF /* Plugged In */,
0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */,
}
};
Uint8 zl, zr;
int i, j;
if (data.ucNExtensionBytes < 11) {
return;
}
/* Sticks */
for (i = 0; i < SDL_arraysize(axes); i++) {
Uint16 value = data.rgucExtension[i * 2] | (data.rgucExtension[i * 2 + 1] << 8);
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[i], axes[i], value);
}
/* Buttons */
for (i = 0; i < SDL_arraysize(buttons); i++) {
for (j = 0; j < SDL_arraysize(buttons[i]); j++) {
Uint8 button = buttons[i][j];
for (i = 0; i < size; i++) {
for (j = 0; j < 8; j++) {
Uint8 button = defs[i][j];
if (button != 0xFF) {
SDL_bool state = (data.rgucExtension[8 + i] >> j) & 1 ? SDL_RELEASED : SDL_PRESSED;
SDL_PrivateJoystickButton(joystick, RemapButton(ctx, button), state);
}
}
}
/* Triggers */
zl = data.rgucExtension[9] & 0x80;
zr = data.rgucExtension[9] & 0x04;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, zl ? SDL_MIN_SINT16 : SDL_MAX_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, zr ? SDL_MIN_SINT16 : SDL_MAX_SINT16);
/* Power */
UpdatePowerLevelWiiU(joystick, data.rgucExtension[10]);
}
static void HandleWiiButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, WiiButtonData data)
{
static const Uint8 buttons[2][8] = {
{
SDL_CONTROLLER_BUTTON_DPAD_LEFT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_DOWN, SDL_CONTROLLER_BUTTON_DPAD_UP,
SDL_CONTROLLER_BUTTON_START, 0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */,
}, {
SDL_CONTROLLER_BUTTON_X, SDL_CONTROLLER_BUTTON_Y, SDL_CONTROLLER_BUTTON_A, SDL_CONTROLLER_BUTTON_B,
SDL_CONTROLLER_BUTTON_BACK, 0xFF /* Unused */, 0xFF /* Unused */, SDL_CONTROLLER_BUTTON_GUIDE,
}
};
int i, j;
/* Buttons */
for (i = 0; i < SDL_arraysize(buttons); i++) {
for (j = 0; j < SDL_arraysize(buttons[i]); j++) {
Uint8 button = buttons[i][j];
if (button != 0xFF) {
SDL_bool state = ((data.rgucBaseButtons[i] >> j) & 1) ? SDL_PRESSED : SDL_RELEASED;
Uint8 state = (data[i] >> j) & 1 ? on : off;
SDL_PrivateJoystickButton(joystick, button, state);
}
}
}
}
static void HandleWiiNunchukData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, WiiButtonData data)
/* Sends axis data to SDL based on an analog digital trigger pair
* `digital` is zero or nonzero
* `analog` is a 5-bit number (0-31)
*/
static void PostClassicControllerTrigger(SDL_Joystick *joystick, Uint8 axis, Uint8 digital, Uint8 analog)
{
static const Uint8 axes[] = { SDL_CONTROLLER_AXIS_LEFTX, SDL_CONTROLLER_AXIS_LEFTY };
int i;
SDL_PrivateJoystickAxis(joystick, axis, digital ? SDL_MAX_SINT16 : (Uint32)analog * SDL_MAX_SINT16 / 31);
}
if (data.ucNExtensionBytes < 6) {
/* Both Wii U Pro Controller and Wii Classic Controller use the same byte layout for the first two bytes
* Only Wii U Pro Controller has the third byte
*/
static const Uint8 WUP_CLASSIC_BUTTON_DEFS[3][8] = {
{
0xFF /* Unused */, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, SDL_CONTROLLER_BUTTON_START, SDL_CONTROLLER_BUTTON_GUIDE,
SDL_CONTROLLER_BUTTON_BACK, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, SDL_CONTROLLER_BUTTON_DPAD_DOWN, SDL_CONTROLLER_BUTTON_DPAD_RIGHT,
}, {
SDL_CONTROLLER_BUTTON_DPAD_UP, SDL_CONTROLLER_BUTTON_DPAD_LEFT, 0xFF /* ZR */, SDL_CONTROLLER_BUTTON_X,
SDL_CONTROLLER_BUTTON_A, SDL_CONTROLLER_BUTTON_Y, SDL_CONTROLLER_BUTTON_B, 0xFF /*ZL*/,
}, {
SDL_CONTROLLER_BUTTON_RIGHTSTICK, SDL_CONTROLLER_BUTTON_LEFTSTICK, 0xFF /* Charging */, 0xFF /* Plugged In */,
0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */,
}
};
static const Uint8 WUP_CLASSIC_BUTTON_DEFS_POSITIONAL[3][8] = {
{
0xFF /* Unused */, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, SDL_CONTROLLER_BUTTON_START, SDL_CONTROLLER_BUTTON_GUIDE,
SDL_CONTROLLER_BUTTON_BACK, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, SDL_CONTROLLER_BUTTON_DPAD_DOWN, SDL_CONTROLLER_BUTTON_DPAD_RIGHT,
}, {
SDL_CONTROLLER_BUTTON_DPAD_UP, SDL_CONTROLLER_BUTTON_DPAD_LEFT, 0xFF /* ZR */, SDL_CONTROLLER_BUTTON_Y,
SDL_CONTROLLER_BUTTON_B, SDL_CONTROLLER_BUTTON_X, SDL_CONTROLLER_BUTTON_A, 0xFF /*ZL*/,
}, {
SDL_CONTROLLER_BUTTON_RIGHTSTICK, SDL_CONTROLLER_BUTTON_LEFTSTICK, 0xFF /* Charging */, 0xFF /* Plugged In */,
0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */,
}
};
static void HandleWiiUProButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, const WiiButtonData *data)
{
static const Uint8 axes[] = { SDL_CONTROLLER_AXIS_LEFTX, SDL_CONTROLLER_AXIS_RIGHTX, SDL_CONTROLLER_AXIS_LEFTY, SDL_CONTROLLER_AXIS_RIGHTY };
const Uint8 (*buttons)[8] = ctx->m_bUseButtonLabels ? WUP_CLASSIC_BUTTON_DEFS : WUP_CLASSIC_BUTTON_DEFS_POSITIONAL;
Uint8 zl, zr;
if (data->ucNExtensionBytes < 11) {
return;
}
/* Sticks */
for (i = 0; i < SDL_arraysize(axes); i++) {
Uint16 value = data.rgucExtension[i];
for (int i = 0; i < 4; i++) {
Uint16 value = data->rgucExtension[i * 2] | (data->rgucExtension[i * 2 + 1] << 8);
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[i], axes[i], value);
}
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, (data.rgucExtension[5] & 0x01) ? SDL_MIN_SINT16 : SDL_MAX_SINT16);
/* Buttons */
PostPackedButtonData(joystick, buttons, data->rgucExtension + 8, 3, SDL_RELEASED, SDL_PRESSED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data.rgucExtension[5] & 0x02) ? SDL_RELEASED : SDL_PRESSED);
/* Triggers */
zl = data->rgucExtension[9] & 0x80;
zr = data->rgucExtension[9] & 0x04;
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, zl ? 0 : SDL_MAX_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, zr ? 0 : SDL_MAX_SINT16);
/* Power */
UpdatePowerLevelWiiU(joystick, data->rgucExtension[10]);
}
static void HandleButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, WiiButtonData data)
static void HandleClassicControllerButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, const WiiButtonData *data)
{
const Uint8 (*buttons)[8] = ctx->m_bUseButtonLabels ? WUP_CLASSIC_BUTTON_DEFS : WUP_CLASSIC_BUTTON_DEFS_POSITIONAL;
Uint8 lx, ly, rx, ry, zl, zr;
if (data->ucNExtensionBytes < 6) {
return;
}
PostPackedButtonData(joystick, buttons, data->rgucExtension + 4, 2, SDL_RELEASED, SDL_PRESSED);
lx = data->rgucExtension[0] & 0x3F;
ly = data->rgucExtension[1] & 0x3F;
rx = (data->rgucExtension[2] >> 7) | ((data->rgucExtension[1] >> 5) & 0x06) | ((data->rgucExtension[0] >> 3) & 0x18);
ry = data->rgucExtension[2] & 0x1F;
zl = (data->rgucExtension[3] >> 5) | ((data->rgucExtension[2] >> 2) & 0x18);
zr = data->rgucExtension[3] & 0x1F;
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[0], SDL_CONTROLLER_AXIS_LEFTX, lx);
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[1], SDL_CONTROLLER_AXIS_LEFTY, ly);
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[2], SDL_CONTROLLER_AXIS_RIGHTX, rx);
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[3], SDL_CONTROLLER_AXIS_RIGHTY, ry);
PostClassicControllerTrigger(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, data->rgucExtension[5] & 0x80, zl);
PostClassicControllerTrigger(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, data->rgucExtension[5] & 0x04, zr);
}
static void HandleWiiRemoteButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, const WiiButtonData *data)
{
static const Uint8 buttons[2][8] = {
{
k_eWiiButtons_DPad_Left, k_eWiiButtons_DPad_Right, k_eWiiButtons_DPad_Down, k_eWiiButtons_DPad_Up,
k_eWiiButtons_Plus, 0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */,
}, {
k_eWiiButtons_Two, k_eWiiButtons_One, k_eWiiButtons_B, k_eWiiButtons_A,
k_eWiiButtons_Minus, 0xFF /* Unused */, 0xFF /* Unused */, k_eWiiButtons_Home,
}
};
if (data->hasBaseButtons) {
PostPackedButtonData(joystick, buttons, data->rgucBaseButtons, 2, SDL_PRESSED, SDL_RELEASED);
}
}
static void HandleWiiRemoteButtonDataAsMainController(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, const WiiButtonData *data)
{
/* Wii remote maps really badly to a normal controller
* Mapped 1 and 2 as X and Y
* Not going to attempt positional mapping
*/
static const Uint8 buttons[2][8] = {
{
SDL_CONTROLLER_BUTTON_DPAD_LEFT, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, SDL_CONTROLLER_BUTTON_DPAD_DOWN, SDL_CONTROLLER_BUTTON_DPAD_UP,
SDL_CONTROLLER_BUTTON_START, 0xFF /* Unused */, 0xFF /* Unused */, 0xFF /* Unused */,
}, {
SDL_CONTROLLER_BUTTON_Y, SDL_CONTROLLER_BUTTON_X, SDL_CONTROLLER_BUTTON_A, SDL_CONTROLLER_BUTTON_B,
SDL_CONTROLLER_BUTTON_BACK, 0xFF /* Unused */, 0xFF /* Unused */, SDL_CONTROLLER_BUTTON_GUIDE,
}
};
if (data->hasBaseButtons) {
PostPackedButtonData(joystick, buttons, data->rgucBaseButtons, 2, SDL_PRESSED, SDL_RELEASED);
}
}
static void HandleNunchuckButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, const WiiButtonData *data)
{
SDL_bool c = data->rgucExtension[5] & 2 ? SDL_RELEASED : SDL_PRESSED;
SDL_bool z = data->rgucExtension[5] & 1 ? SDL_RELEASED : SDL_PRESSED;
if (data->ucNExtensionBytes < 6) {
return;
}
if (data->rgucExtension[0] != 0xFF) {
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[0], SDL_CONTROLLER_AXIS_LEFTX, data->rgucExtension[0]);
}
if (data->rgucExtension[1] != 0xFF) {
PostStickCalibrated(joystick, &ctx->m_StickCalibrationData[1], SDL_CONTROLLER_AXIS_LEFTY, data->rgucExtension[1]);
}
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, c);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, z ? SDL_MAX_SINT16 : SDL_MIN_SINT16);
}
/* Clear buttons that might have been set by a previously-connected controller that won't be set by the current one */
static void ClearUnmappedButtons(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
{
switch (ctx->m_eExtensionControllerType) {
case k_eWiiExtensionControllerType_None:
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, SDL_RELEASED);
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, SDL_RELEASED);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, 0);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, 0);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, 0);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, 0);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, SDL_MIN_SINT16);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, SDL_MIN_SINT16);
SDL_FALLTHROUGH;
case k_eWiiExtensionControllerType_Nunchuck:
SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, SDL_RELEASED);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, 0);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, 0);
SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, SDL_MIN_SINT16);
break;
case k_eWiiExtensionControllerType_ClassicController:
case k_eWiiExtensionControllerType_ClassicControllerPro:
case k_eWiiExtensionControllerType_WiiUPro:
case k_eWiiExtensionControllerType_Unknown:
/* All buttons mapped */
break;
}
}
static void HandleButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, const WiiButtonData *data)
{
if (ctx->m_eExtensionControllerType == k_eWiiExtensionControllerType_WiiUPro) {
HandleWiiUProButtonData(ctx, joystick, data);
} else if (ctx->m_eExtensionControllerType == k_eWiiExtensionControllerType_None) {
HandleWiiButtonData(ctx, joystick, data);
} else if (ctx->m_eExtensionControllerType == k_eWiiExtensionControllerType_Nunchuck) {
HandleWiiButtonData(ctx, joystick, data);
HandleWiiNunchukData(ctx, joystick, data);
return;
}
ClearUnmappedButtons(ctx, joystick);
HandleWiiRemoteButtonData(ctx, joystick, data);
switch (ctx->m_eExtensionControllerType) {
case k_eWiiExtensionControllerType_Nunchuck:
HandleNunchuckButtonData(ctx, joystick, data);
SDL_FALLTHROUGH;
case k_eWiiExtensionControllerType_None:
HandleWiiRemoteButtonDataAsMainController(ctx, joystick, data);
break;
case k_eWiiExtensionControllerType_ClassicController:
case k_eWiiExtensionControllerType_ClassicControllerPro:
HandleClassicControllerButtonData(ctx, joystick, data);
break;
case k_eWiiExtensionControllerType_Unknown:
case k_eWiiExtensionControllerType_WiiUPro:
break;
}
}
@ -847,40 +988,109 @@ static void GetExtensionData(WiiButtonData *dst, const Uint8 *src, int size)
static void HandleStatus(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
{
SDL_bool hadExtension = ctx->m_eExtensionControllerType != k_eWiiExtensionControllerType_None;
SDL_bool hasExtension = ctx->m_rgucReadBuffer[3] & 2 ? SDL_TRUE : SDL_FALSE;
WiiButtonData data;
SDL_zero(data);
GetBaseButtons(&data, ctx->m_rgucReadBuffer + 1);
HandleButtonData(ctx, joystick, data);
HandleButtonData(ctx, joystick, &data);
if (ctx->m_eExtensionControllerType != k_eWiiExtensionControllerType_WiiUPro) {
/* Wii U has separate battery level tracking */
UpdatePowerLevelWii(joystick, ctx->m_rgucReadBuffer[6]);
}
/* 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 (hadExtension != hasExtension || ctx->m_eCommState == k_eWiiCommunicationState_Error) {
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);
}
ctx->m_eCommState = k_eWiiCommunicationState_ExtensionIdentify1;
SendExtensionIdentify1(ctx, SDL_FALSE);
} 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);
ctx->m_eCommState = k_eWiiCommunicationState_None;
ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_None;
InitializeExtension(ctx);
}
}
}
static void HandleResponse(SDL_DriverWii_Context *ctx)
static void HandleResponse(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
{
EWiiInputReportIDs type = ctx->m_rgucReadBuffer[0];
WiiButtonData data;
SDL_assert(type == k_eWiiInputReportIDs_Acknowledge || type == k_eWiiInputReportIDs_ReadMemory);
SDL_zero(data);
GetBaseButtons(&data, ctx->m_rgucReadBuffer + 1);
HandleButtonData(ctx, joystick, &data);
switch (ctx->m_eCommState) {
case k_eWiiCommunicationState_None:
break;
case k_eWiiCommunicationState_Error:
/* Don't parse packets in this state */
return;
case k_eWiiCommunicationState_ExtensionIdentify1:
if (type == k_eWiiInputReportIDs_Acknowledge && ctx->m_rgucReadBuffer[3] == k_eWiiOutputReportIDs_WriteMemory) {
if (ctx->m_rgucReadBuffer[4]) {
ctx->m_eCommState = k_eWiiCommunicationState_Error;
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: Extension identify write 1 failed: %d", ctx->m_rgucReadBuffer[4]);
} else {
ctx->m_eCommState = k_eWiiCommunicationState_ExtensionIdentify2;
SendExtensionIdentify2(ctx, SDL_FALSE);
}
return;
}
break;
case k_eWiiCommunicationState_ExtensionIdentify2:
if (type == k_eWiiInputReportIDs_Acknowledge && ctx->m_rgucReadBuffer[3] == k_eWiiOutputReportIDs_WriteMemory) {
if (ctx->m_rgucReadBuffer[4]) {
ctx->m_eCommState = k_eWiiCommunicationState_Error;
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: Extension identify write 2 failed: %d", ctx->m_rgucReadBuffer[4]);
} else {
ctx->m_eCommState = k_eWiiCommunicationState_ExtensionIdentify3;
SendExtensionIdentify3(ctx, SDL_FALSE);
}
return;
}
break;
case k_eWiiCommunicationState_ExtensionIdentify3:
if (type == k_eWiiInputReportIDs_ReadMemory) {
EWiiExtensionControllerType type = k_eWiiExtensionControllerType_Unknown;
if (ParseExtensionResponse(ctx, &type)) {
ctx->m_eCommState = k_eWiiCommunicationState_None;
ctx->m_eExtensionControllerType = type;
InitializeExtension(ctx);
} else {
char msg[512];
SDL_GetErrorMsg(msg, sizeof(msg) - 1);
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: Failed to parse extension response: %s", msg);
ctx->m_eCommState = k_eWiiCommunicationState_Error;
}
return;
}
break;
}
if (type == k_eWiiInputReportIDs_Acknowledge) {
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: A mysterious ack has arrived! Type: %02x, Code: %d",
ctx->m_rgucReadBuffer[3], ctx->m_rgucReadBuffer[4]);
} else {
static const char hextable[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
char str[48];
Uint32 strpos = 0;
Uint32 len = (ctx->m_rgucReadBuffer[3] >> 4) + 1;
for (Uint32 i = 0; i < len; i++) {
str[strpos++] = hextable[ctx->m_rgucReadBuffer[6 + i] >> 4];
str[strpos++] = hextable[ctx->m_rgucReadBuffer[6 + i] & 0xF];
str[strpos++] = ' ';
}
str[strpos] = '\0';
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: A mysterious read response has arrived! Address: %02x%02x, Code: %d, Data: %s",
ctx->m_rgucReadBuffer[4], ctx->m_rgucReadBuffer[5],
ctx->m_rgucReadBuffer[3] & 0xF,
str);
}
}
static void HandleButtonPacket(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
@ -927,7 +1137,7 @@ static void HandleButtonPacket(SDL_DriverWii_Context *ctx, SDL_Joystick *joystic
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: Unsupported button data type %02x", ctx->m_rgucReadBuffer[0]);
return;
}
HandleButtonData(ctx, joystick, data);
HandleButtonData(ctx, joystick, &data);
}
static void HandleInput(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
@ -936,7 +1146,7 @@ static void HandleInput(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
if (type == k_eWiiInputReportIDs_Status) {
HandleStatus(ctx, joystick);
} else if (type == k_eWiiInputReportIDs_Acknowledge || type == k_eWiiInputReportIDs_ReadMemory) {
HandleResponse(ctx);
HandleResponse(ctx, joystick);
} else if (type >= k_eWiiInputReportIDs_ButtonData0 && type <= k_eWiiInputReportIDs_ButtonDataF) {
HandleButtonPacket(ctx, joystick);
} else {