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@@ -0,0 +1,879 @@
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+/*
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+ Simple DirectMedia Layer
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+ Copyright (C) 1997-2021 Sam Lantinga <[email protected]>
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+
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+ This software is provided 'as-is', without any express or implied
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+ warranty. In no event will the authors be held liable for any damages
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+ arising from the use of this software.
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+
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+ Permission is granted to anyone to use this software for any purpose,
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+ including commercial applications, and to alter it and redistribute it
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+ freely, subject to the following restrictions:
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+
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+ 1. The origin of this software must not be misrepresented; you must not
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+ claim that you wrote the original software. If you use this software
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+ in a product, an acknowledgment in the product documentation would be
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+ appreciated but is not required.
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+ 2. Altered source versions must be plainly marked as such, and must not be
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+ misrepresented as being the original software.
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+ 3. This notice may not be removed or altered from any source distribution.
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+*/
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+#include "../../SDL_internal.h"
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+
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+#ifdef SDL_JOYSTICK_HIDAPI
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+
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+#include "SDL_hints.h"
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+#include "SDL_events.h"
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+#include "SDL_timer.h"
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+#include "SDL_joystick.h"
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+#include "SDL_gamecontroller.h"
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+#include "../../SDL_hints_c.h"
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+#include "../SDL_sysjoystick.h"
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+#include "SDL_hidapijoystick_c.h"
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+#include "SDL_hidapi_rumble.h"
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+
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+
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+#ifdef SDL_JOYSTICK_HIDAPI_WII
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+
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+/* Define this if you want to log all packets from the controller */
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+/*#define DEBUG_WII_PROTOCOL*/
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+
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+typedef enum {
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+ k_eWiiInputReportIDs_Status = 0x20,
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+ k_eWiiInputReportIDs_ReadMemory = 0x21,
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+ k_eWiiInputReportIDs_Acknowledge = 0x22,
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+ k_eWiiInputReportIDs_ButtonData0 = 0x30,
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+ k_eWiiInputReportIDs_ButtonData1 = 0x31,
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+ k_eWiiInputReportIDs_ButtonData2 = 0x32,
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+ k_eWiiInputReportIDs_ButtonData3 = 0x33,
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+ k_eWiiInputReportIDs_ButtonData4 = 0x34,
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+ k_eWiiInputReportIDs_ButtonData5 = 0x35,
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+ k_eWiiInputReportIDs_ButtonData6 = 0x36,
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+ k_eWiiInputReportIDs_ButtonData7 = 0x37,
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+ k_eWiiInputReportIDs_ButtonDataD = 0x3D,
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+ k_eWiiInputReportIDs_ButtonDataE = 0x3E,
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+ k_eWiiInputReportIDs_ButtonDataF = 0x3F,
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+} EWiiInputReportIDs;
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+
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+typedef enum {
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+ k_eWiiOutputReportIDs_Rumble = 0x10,
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+ k_eWiiOutputReportIDs_LEDs = 0x11,
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+ k_eWiiOutputReportIDs_DataReportingMode = 0x12,
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+ k_eWiiOutputReportIDs_IRCameraEnable = 0x13,
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+ k_eWiiOutputReportIDs_SpeakerEnable = 0x14,
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+ k_eWiiOutputReportIDs_StatusRequest = 0x15,
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+ k_eWiiOutputReportIDs_WriteMemory = 0x16,
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+ k_eWiiOutputReportIDs_ReadMemory = 0x17,
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+ k_eWiiOutputReportIDs_SpeakerData = 0x18,
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+ k_eWiiOutputReportIDs_SpeakerMute = 0x19,
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+ k_eWiiOutputReportIDs_IRCameraEnable2 = 0x1a,
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+} EWiiOutputReportIDs;
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+
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+typedef enum {
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+ k_eWiiPlayerLEDs_P1 = 0x10,
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+ k_eWiiPlayerLEDs_P2 = 0x20,
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+ k_eWiiPlayerLEDs_P3 = 0x40,
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+ k_eWiiPlayerLEDs_P4 = 0x80,
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+} EWiiPlayerLEDs;
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+
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+typedef enum {
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+ k_eWiiExtensionControllerType_None,
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+ k_eWiiExtensionControllerType_Unknown,
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+ k_eWiiExtensionControllerType_Nunchuck,
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+ k_eWiiExtensionControllerType_ClassicController,
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+ k_eWiiExtensionControllerType_ClassicControllerPro,
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+ k_eWiiExtensionControllerType_WiiUPro,
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+} EWiiExtensionControllerType;
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+
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+#define k_unWiiPacketDataLength 22
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+
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+typedef struct {
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+ Uint8 rgucBaseButtons[2];
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+ Uint8 rgucAccelerometer[3];
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+ Uint8 rgucExtension[21];
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+ SDL_bool hasBaseButtons;
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+ SDL_bool hasAccelerometer;
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+ Uint8 ucNExtensionBytes;
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+} WiiButtonData;
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+
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+typedef struct {
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+ SDL_HIDAPI_Device *device;
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+ EWiiExtensionControllerType m_eExtensionControllerType;
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+ SDL_bool m_bUseButtonLabels;
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+ SDL_bool m_bRumbleActive;
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+ Uint8 m_rgucReadBuffer[k_unWiiPacketDataLength];
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+ Uint32 m_iLastStatus;
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+ int m_playerIndex;
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+
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+ struct StickCalibrationData {
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+ Uint16 min;
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+ Uint16 max;
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+ Uint16 center;
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+ Uint16 deadzone;
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+ } m_StickCalibrationData[6];
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+} SDL_DriverWii_Context;
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+
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+static void
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+HIDAPI_DriverWii_RegisterHints(SDL_HintCallback callback, void *userdata)
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+{
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+ SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_WII, callback, userdata);
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+}
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+
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+static void
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+HIDAPI_DriverWii_UnregisterHints(SDL_HintCallback callback, void *userdata)
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+{
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+ SDL_DelHintCallback(SDL_HINT_JOYSTICK_HIDAPI_WII, callback, userdata);
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+}
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+
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+static SDL_bool
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+HIDAPI_DriverWii_IsEnabled(void)
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+{
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+ return SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_WII,
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+ SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI,
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+ SDL_HIDAPI_DEFAULT));
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+}
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+
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+static SDL_bool
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+HIDAPI_DriverWii_IsSupportedDevice(SDL_HIDAPI_Device *device, const char *name, SDL_GameControllerType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol)
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+{
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+ if (vendor_id == USB_VENDOR_NINTENDO && product_id == USB_PRODUCT_NINTENDO_WII_PRO) {
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+ return SDL_TRUE;
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+ }
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+ if (vendor_id == USB_VENDOR_NINTENDO && product_id == USB_PRODUCT_NINTENDO_WII_REMOTE) {
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+ /* Technically can be supported, but we don't interpret inputs yet */
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+ return SDL_FALSE;
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+ }
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+ return SDL_FALSE;
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+}
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+
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+static const char *
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+HIDAPI_DriverWii_GetDeviceName(const char *name, Uint16 vendor_id, Uint16 product_id)
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+{
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+ return NULL;
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+}
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+
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+static int ReadInput(SDL_DriverWii_Context *ctx)
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+{
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+ /* Make sure we don't try to read at the same time a write is happening */
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+ if (SDL_AtomicGet(&ctx->device->rumble_pending) > 0) {
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+ return 0;
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+ }
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+
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+ return SDL_hid_read_timeout(ctx->device->dev, ctx->m_rgucReadBuffer, sizeof(ctx->m_rgucReadBuffer), 0);
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+}
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+
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+static int WriteOutput(SDL_DriverWii_Context *ctx, const Uint8 *data, int size, SDL_bool sync)
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+{
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+ if (sync) {
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+ return SDL_hid_write(ctx->device->dev, data, size);
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+ } else {
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+ /* Use the rumble thread for general asynchronous writes */
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+ if (SDL_HIDAPI_LockRumble() < 0) {
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+ return -1;
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+ }
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+ return SDL_HIDAPI_SendRumbleAndUnlock(ctx->device, data, size);
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+ }
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+}
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+
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+static SDL_bool ReadInputSync(SDL_DriverWii_Context *ctx, EWiiInputReportIDs expectedID, SDL_bool(*isMine)(const Uint8 *))
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+{
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+ Uint32 TimeoutMs = 100;
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+ Uint32 startTicks = SDL_GetTicks();
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+
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+ int nRead = 0;
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+ while ((nRead = ReadInput(ctx)) != -1) {
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+ if (nRead > 0) {
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+ if (ctx->m_rgucReadBuffer[0] == expectedID && (!isMine || isMine(ctx->m_rgucReadBuffer))) {
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+ return SDL_TRUE;
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+ }
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+ } else {
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+ if (SDL_TICKS_PASSED(SDL_GetTicks(), startTicks + TimeoutMs)) {
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+ break;
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+ }
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+ SDL_Delay(1);
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+ }
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+ }
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+ SDL_SetError("Read timed out");
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+ return SDL_FALSE;
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+}
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+
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+static SDL_bool IsWriteMemoryResponse(const Uint8 *data)
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+{
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+ return data[3] == k_eWiiOutputReportIDs_WriteMemory;
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+}
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+
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+static SDL_bool WriteRegister(SDL_DriverWii_Context *ctx, Uint32 address, const Uint8 *data, int size, SDL_bool sync)
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+{
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+ Uint8 writeRequest[k_unWiiPacketDataLength] = {
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+ k_eWiiOutputReportIDs_WriteMemory,
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+ 0x04 | ctx->m_bRumbleActive,
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+ (address >> 16) & 0xff,
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+ (address >> 8) & 0xff,
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+ address & 0xff,
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+ size
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+ };
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+ SDL_assert(size > 0 && size <= 16);
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+ SDL_memcpy(writeRequest + 6, data, size);
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+
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+ if (!WriteOutput(ctx, writeRequest, sizeof(writeRequest), sync)) {
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+ return SDL_FALSE;
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+ }
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+ if (sync) {
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+ /* Wait for response */
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+ if (!ReadInputSync(ctx, k_eWiiInputReportIDs_Acknowledge, IsWriteMemoryResponse)) {
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+ return SDL_FALSE;
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+ }
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+ if (ctx->m_rgucReadBuffer[4]) {
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+ SDL_SetError("Write memory failed: %d", ctx->m_rgucReadBuffer[4]);
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+ return SDL_FALSE;
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+ }
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+ }
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+ return SDL_TRUE;
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+}
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+
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+static SDL_bool ReadRegister(SDL_DriverWii_Context *ctx, Uint32 address, int size, SDL_bool sync)
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+{
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+ Uint8 readRequest[7] = {
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+ k_eWiiOutputReportIDs_ReadMemory,
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+ 0x04 | ctx->m_bRumbleActive,
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+ (address >> 16) & 0xff,
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+ (address >> 8) & 0xff,
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+ address & 0xff,
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+ (size >> 8) & 0xff,
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+ size & 0xff
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+ };
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+ SDL_assert(size > 0 && size <= 0xffff);
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+
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+ if (!WriteOutput(ctx, readRequest, sizeof(readRequest), sync)) {
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+ return SDL_FALSE;
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+ }
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+ if (sync) {
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+ SDL_assert(size <= 16); /* Only waiting for one packet is supported right now */
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+ /* Wait for response */
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+ if (!ReadInputSync(ctx, k_eWiiInputReportIDs_ReadMemory, NULL)) {
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+ return SDL_FALSE;
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+ }
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+ }
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+ return SDL_TRUE;
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+}
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+
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+static SDL_bool ParseExtensionResponse(SDL_DriverWii_Context *ctx)
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+{
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+ Uint64 type = 0;
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+ SDL_assert(ctx->m_rgucReadBuffer[0] == k_eWiiInputReportIDs_ReadMemory);
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+ if (ctx->m_rgucReadBuffer[4] != 0x00 || ctx->m_rgucReadBuffer[5] != 0xFA) {
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+ SDL_SetError("Unexpected extension response address");
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+ return SDL_FALSE;
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+ }
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+ if (ctx->m_rgucReadBuffer[3] != 0x50) {
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+ if (ctx->m_rgucReadBuffer[3] & 0xF) {
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+ SDL_SetError("Failed to read extension type: %d", ctx->m_rgucReadBuffer[3] & 0xF);
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+ } else {
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+ SDL_SetError("Unexpected read length when reading extension type: %d", (ctx->m_rgucReadBuffer[3] >> 4) + 1);
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+ }
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+ return SDL_FALSE;
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+ }
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+
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+ for (int i = 6; i < 12; i++) {
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+ type = type << 8 | ctx->m_rgucReadBuffer[i];
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+ }
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+ switch (type) {
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+ case 0x0000A4200000: ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_Nunchuck; break;
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+ case 0x0000A4200101: ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_ClassicController; break;
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+ case 0x0100A4200101: ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_ClassicControllerPro; break;
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+ case 0x0000A4200120: ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_WiiUPro; break;
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+ default:
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+ ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_Unknown;
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+ SDL_SetError("Unrecognized controller type: %012" SDL_PRIx64, type);
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+ return SDL_FALSE;
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+ }
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+ return SDL_TRUE;
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+}
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+
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+
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+static void UpdatePowerLevelWii(SDL_Joystick *joystick, Uint8 batteryLevelByte)
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+{
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+ if (batteryLevelByte > 178) {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_FULL;
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+ } else if (batteryLevelByte > 51) {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_MEDIUM;
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+ } else if (batteryLevelByte > 13) {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_LOW;
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+ } else {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_EMPTY;
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+ }
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+}
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+
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+static void UpdatePowerLevelWiiU(SDL_Joystick *joystick, Uint8 extensionBatteryByte)
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+{
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+ SDL_bool charging = extensionBatteryByte & 0x08 ? SDL_FALSE : SDL_TRUE;
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+ SDL_bool pluggedIn = extensionBatteryByte & 0x04 ? SDL_FALSE : SDL_TRUE;
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+ Uint8 batteryLevel = extensionBatteryByte >> 4;
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+
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+ /* Not sure if all Wii U Pro controllers act like this, but on mine
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+ * 4, 3, and 2 are held for about 20 hours each
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+ * 1 is held for about 6 hours
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+ * 0 is held for about 2 hours
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+ * No value above 4 has been observed.
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+ */
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+ if (pluggedIn && !charging) {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_WIRED;
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+ } else if (batteryLevel >= 4) {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_FULL;
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+ } else if (batteryLevel > 1) {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_MEDIUM;
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+ } else if (batteryLevel == 1) {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_LOW;
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+ } else {
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+ joystick->epowerlevel = SDL_JOYSTICK_POWER_EMPTY;
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+ }
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+}
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+
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+static SDL_bool IdentifyController(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
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+{
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+ static const Uint8 statusRequest[2] = { k_eWiiOutputReportIDs_StatusRequest, 0 };
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+ SDL_bool hasExtension;
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+ WriteOutput(ctx, statusRequest, sizeof(statusRequest), SDL_TRUE);
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+ if (!ReadInputSync(ctx, k_eWiiInputReportIDs_Status, NULL)) {
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+ return SDL_FALSE;
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+ }
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+ UpdatePowerLevelWii(joystick, ctx->m_rgucReadBuffer[6]);
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+ hasExtension = ctx->m_rgucReadBuffer[3] & 2 ? SDL_TRUE : SDL_FALSE;
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+ if (hasExtension) {
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+ /* http://wiibrew.org/wiki/Wiimote/Extension_Controllers#The_New_Way */
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+ SDL_bool ok = WriteRegister(ctx, 0xA400F0, (Uint8[1]){0x55}, 1, SDL_TRUE)
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+ && WriteRegister(ctx, 0xA400FB, (Uint8[1]){0x00}, 1, SDL_TRUE)
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+ && ReadRegister(ctx, 0xA400FA, 6, SDL_TRUE)
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+ && ParseExtensionResponse(ctx);
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+ if (!ok) { return SDL_FALSE; }
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+ } else {
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+ ctx->m_eExtensionControllerType = k_eWiiExtensionControllerType_None;
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+ }
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+ return SDL_TRUE;
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+}
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+
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+static EWiiInputReportIDs GetButtonPacketType(SDL_DriverWii_Context *ctx)
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+{
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+ switch (ctx->m_eExtensionControllerType) {
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+ case k_eWiiExtensionControllerType_WiiUPro:
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+ return k_eWiiInputReportIDs_ButtonDataD;
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+ case k_eWiiExtensionControllerType_Nunchuck:
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+ case k_eWiiExtensionControllerType_ClassicController:
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+ case k_eWiiExtensionControllerType_ClassicControllerPro:
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+ return k_eWiiInputReportIDs_ButtonData2;
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+ default:
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+ return k_eWiiInputReportIDs_ButtonData0;
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+ }
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+}
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+
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|
|
+static SDL_bool RequestButtonPacketType(SDL_DriverWii_Context *ctx, EWiiInputReportIDs type)
|
|
|
+{
|
|
|
+ Uint8 tt = ctx->m_bRumbleActive;
|
|
|
+ /* Continuous reporting off, tt & 4 == 0 */
|
|
|
+ return WriteOutput(ctx, (Uint8[3]){ k_eWiiOutputReportIDs_DataReportingMode, tt, type }, 3, SDL_FALSE);
|
|
|
+}
|
|
|
+
|
|
|
+static void InitStickCalibrationData(SDL_DriverWii_Context *ctx)
|
|
|
+{
|
|
|
+ switch (ctx->m_eExtensionControllerType) {
|
|
|
+ case k_eWiiExtensionControllerType_WiiUPro:
|
|
|
+ for (int i = 0; i < 4; i++) {
|
|
|
+ ctx->m_StickCalibrationData[i].min = 1000;
|
|
|
+ ctx->m_StickCalibrationData[i].max = 3000;
|
|
|
+ ctx->m_StickCalibrationData[i].center = 0;
|
|
|
+ ctx->m_StickCalibrationData[i].deadzone = 100;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case k_eWiiExtensionControllerType_ClassicController:
|
|
|
+ case k_eWiiExtensionControllerType_ClassicControllerPro:
|
|
|
+ for (int i = 0; i < 4; i++) {
|
|
|
+ ctx->m_StickCalibrationData[i].min = 0;
|
|
|
+ ctx->m_StickCalibrationData[i].max = i < 2 ? 63 : 31;
|
|
|
+ ctx->m_StickCalibrationData[i].center = 0;
|
|
|
+ ctx->m_StickCalibrationData[i].deadzone = i < 2 ? 4 : 2;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case k_eWiiExtensionControllerType_Nunchuck:
|
|
|
+ for (int i = 0; i < 2; i++) {
|
|
|
+ ctx->m_StickCalibrationData[i].min = 0;
|
|
|
+ ctx->m_StickCalibrationData[i].max = 255;
|
|
|
+ ctx->m_StickCalibrationData[i].center = 0;
|
|
|
+ ctx->m_StickCalibrationData[i].deadzone = 10;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ break;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static const char* GetNameFromExtensionInfo(SDL_DriverWii_Context *ctx)
|
|
|
+{
|
|
|
+ switch (ctx->m_eExtensionControllerType) {
|
|
|
+ case k_eWiiExtensionControllerType_None: return "Nintendo Wii Remote";
|
|
|
+ case k_eWiiExtensionControllerType_Nunchuck: return "Nintendo Wii Remote with Nunchuck";
|
|
|
+ case k_eWiiExtensionControllerType_ClassicController: return "Nintendo Wii Remote with Classic Controller";
|
|
|
+ case k_eWiiExtensionControllerType_ClassicControllerPro: return "Nintendo Wii Remote with Classic Controller Pro";
|
|
|
+ case k_eWiiExtensionControllerType_WiiUPro: return "Nintendo Wii U Pro Controller";
|
|
|
+ default: return "Nintendo Wii Remote with Unknown Extension";
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+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) {
|
|
|
+ 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 SDL_bool
|
|
|
+HIDAPI_DriverWii_InitDevice(SDL_HIDAPI_Device *device)
|
|
|
+{
|
|
|
+ return HIDAPI_JoystickConnected(device, NULL);
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+HIDAPI_DriverWii_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
|
|
|
+{
|
|
|
+ if (device->context) {
|
|
|
+ return ((SDL_DriverWii_Context *)device->context)->m_playerIndex;
|
|
|
+ }
|
|
|
+ return -1;
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+HIDAPI_DriverWii_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
|
|
|
+{
|
|
|
+ SDL_DriverWii_Context *ctx = device->context;
|
|
|
+ Uint8 leds;
|
|
|
+ Uint8 data[2];
|
|
|
+
|
|
|
+ if (!ctx) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ ctx->m_playerIndex = player_index;
|
|
|
+
|
|
|
+ leds = ctx->m_bRumbleActive;
|
|
|
+ /* Use the same LED codes as Smash 8-player for 5-7 */
|
|
|
+ if (player_index == 1 || player_index > 4) {
|
|
|
+ leds |= k_eWiiPlayerLEDs_P1;
|
|
|
+ }
|
|
|
+ if (player_index == 2 || player_index == 5) {
|
|
|
+ leds |= k_eWiiPlayerLEDs_P2;
|
|
|
+ }
|
|
|
+ if (player_index == 3 || player_index == 6) {
|
|
|
+ leds |= k_eWiiPlayerLEDs_P3;
|
|
|
+ }
|
|
|
+ if (player_index == 4 || player_index == 7) {
|
|
|
+ leds |= k_eWiiPlayerLEDs_P4;
|
|
|
+ }
|
|
|
+ /* Turn on all lights for other player indexes */
|
|
|
+ if (player_index < 1 || player_index > 7) {
|
|
|
+ leds |= k_eWiiPlayerLEDs_P1 | k_eWiiPlayerLEDs_P2 | k_eWiiPlayerLEDs_P3 | k_eWiiPlayerLEDs_P4;
|
|
|
+ }
|
|
|
+
|
|
|
+ data[0] = k_eWiiOutputReportIDs_LEDs;
|
|
|
+ data[1] = leds;
|
|
|
+ WriteOutput(ctx, data, sizeof(data), SDL_FALSE);
|
|
|
+}
|
|
|
+
|
|
|
+static SDL_bool
|
|
|
+HIDAPI_DriverWii_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
|
|
|
+{
|
|
|
+ SDL_DriverWii_Context *ctx;
|
|
|
+
|
|
|
+ ctx = (SDL_DriverWii_Context *)SDL_calloc(1, sizeof(*ctx));
|
|
|
+ if (!ctx) {
|
|
|
+ SDL_OutOfMemory();
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+ ctx->device = device;
|
|
|
+ device->context = ctx;
|
|
|
+
|
|
|
+ device->dev = SDL_hid_open_path(device->path, 0);
|
|
|
+ if (!device->dev) {
|
|
|
+ SDL_SetError("Couldn't open %s", device->path);
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ SDL_AddHintCallback(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS,
|
|
|
+ SDL_GameControllerButtonReportingHintChanged, ctx);
|
|
|
+
|
|
|
+ if (!IdentifyController(ctx, joystick)) {
|
|
|
+ char msg[512];
|
|
|
+ SDL_GetErrorMsg(msg, sizeof(msg) - 1);
|
|
|
+ SDL_SetError("Couldn't read device info: %s", msg);
|
|
|
+ goto error;
|
|
|
+ }
|
|
|
+
|
|
|
+ InitStickCalibrationData(ctx);
|
|
|
+ SDL_free(device->name);
|
|
|
+ device->name = SDL_strdup(GetNameFromExtensionInfo(ctx));
|
|
|
+
|
|
|
+ /* Initialize the joystick capabilities */
|
|
|
+ if (ctx->m_eExtensionControllerType == k_eWiiExtensionControllerType_WiiUPro) {
|
|
|
+ joystick->nbuttons = 15;
|
|
|
+ } else {
|
|
|
+ /* Maximum is Classic Controller + Wiimote */
|
|
|
+ joystick->nbuttons = 25;
|
|
|
+ }
|
|
|
+ joystick->naxes = SDL_CONTROLLER_AXIS_MAX;
|
|
|
+
|
|
|
+ HIDAPI_DriverWii_SetDevicePlayerIndex(device, 0, SDL_JoystickGetPlayerIndex(joystick));
|
|
|
+ RequestButtonPacketType(ctx, GetButtonPacketType(ctx));
|
|
|
+
|
|
|
+ return SDL_TRUE;
|
|
|
+
|
|
|
+error:
|
|
|
+ SDL_LockMutex(device->dev_lock);
|
|
|
+ {
|
|
|
+ if (device->dev) {
|
|
|
+ SDL_hid_close(device->dev);
|
|
|
+ device->dev = NULL;
|
|
|
+ }
|
|
|
+ if (device->context) {
|
|
|
+ SDL_free(device->context);
|
|
|
+ device->context = NULL;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ SDL_UnlockMutex(device->dev_lock);
|
|
|
+ return SDL_FALSE;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+HIDAPI_DriverWii_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
|
|
|
+{
|
|
|
+ SDL_DriverWii_Context *ctx = (SDL_DriverWii_Context *)device->context;
|
|
|
+ SDL_bool active = (low_frequency_rumble || high_frequency_rumble) ? SDL_TRUE : SDL_FALSE;
|
|
|
+
|
|
|
+ if (active != ctx->m_bRumbleActive) {
|
|
|
+ Uint8 data[2];
|
|
|
+
|
|
|
+ data[0] = k_eWiiOutputReportIDs_Rumble;
|
|
|
+ data[1] = active;
|
|
|
+ WriteOutput(ctx, data, sizeof(data), SDL_FALSE);
|
|
|
+
|
|
|
+ ctx->m_bRumbleActive = active;
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+HIDAPI_DriverWii_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
|
|
|
+{
|
|
|
+ return SDL_Unsupported();
|
|
|
+}
|
|
|
+
|
|
|
+static Uint32
|
|
|
+HIDAPI_DriverWii_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
|
|
|
+{
|
|
|
+ return SDL_JOYCAP_RUMBLE;
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+HIDAPI_DriverWii_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
|
|
|
+{
|
|
|
+ return SDL_Unsupported();
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+HIDAPI_DriverWii_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size)
|
|
|
+{
|
|
|
+ return SDL_Unsupported();
|
|
|
+}
|
|
|
+
|
|
|
+static int
|
|
|
+HIDAPI_DriverWii_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, SDL_bool enabled)
|
|
|
+{
|
|
|
+ /* TODO: Implement Sensors */
|
|
|
+ return SDL_Unsupported();
|
|
|
+}
|
|
|
+
|
|
|
+static void PostStickCalibrated(SDL_Joystick *joystick, struct StickCalibrationData *calibration, Uint8 axis, Uint16 data)
|
|
|
+{
|
|
|
+ Sint16 value = 0;
|
|
|
+ if (!calibration->center) {
|
|
|
+ /* Center on first read */
|
|
|
+ calibration->center = data;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (data < calibration->min) {
|
|
|
+ calibration->min = data;
|
|
|
+ }
|
|
|
+ if (data > calibration->max) {
|
|
|
+ calibration->max = data;
|
|
|
+ }
|
|
|
+ if (data < calibration->center - calibration->deadzone) {
|
|
|
+ Uint16 zero = calibration->center - calibration->deadzone;
|
|
|
+ Uint16 range = zero - calibration->min;
|
|
|
+ Uint16 distance = zero - data;
|
|
|
+ float fvalue = (float)distance / (float)range;
|
|
|
+ value = (Sint16)(fvalue * SDL_MIN_SINT16);
|
|
|
+ } else if (data > calibration->center + calibration->deadzone) {
|
|
|
+ Uint16 zero = calibration->center + calibration->deadzone;
|
|
|
+ Uint16 range = calibration->max - zero;
|
|
|
+ Uint16 distance = data - zero;
|
|
|
+ float fvalue = (float)distance / (float)range;
|
|
|
+ value = (Sint16)(fvalue * SDL_MAX_SINT16);
|
|
|
+ }
|
|
|
+ SDL_PrivateJoystickAxis(joystick, axis, value);
|
|
|
+}
|
|
|
+
|
|
|
+static void HandleWiiUProButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, WiiButtonData data)
|
|
|
+{
|
|
|
+ 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;
|
|
|
+ if (data.ucNExtensionBytes < 11) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Sticks */
|
|
|
+ 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);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Buttons */
|
|
|
+ for (int i = 0; i < 3; i++) {
|
|
|
+ for (int j = 0; j < 8; j++) {
|
|
|
+ Uint8 button = buttons[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 HandleButtonData(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick, WiiButtonData data)
|
|
|
+{
|
|
|
+ if (ctx->m_eExtensionControllerType == k_eWiiExtensionControllerType_WiiUPro) {
|
|
|
+ HandleWiiUProButtonData(ctx, joystick, data);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void GetBaseButtons(WiiButtonData *dst, const Uint8 *src)
|
|
|
+{
|
|
|
+ SDL_memcpy(dst->rgucBaseButtons, src, 2);
|
|
|
+ dst->hasBaseButtons = SDL_TRUE;
|
|
|
+}
|
|
|
+
|
|
|
+static void GetAccelerometer(WiiButtonData *dst, const Uint8 *src)
|
|
|
+{
|
|
|
+ SDL_memcpy(dst->rgucAccelerometer, src, 3);
|
|
|
+ dst->hasAccelerometer = SDL_TRUE;
|
|
|
+}
|
|
|
+
|
|
|
+static void GetExtensionData(WiiButtonData *dst, const Uint8 *src, int size)
|
|
|
+{
|
|
|
+ SDL_assert(size > 0 && size <= sizeof(dst->rgucExtension));
|
|
|
+ SDL_memcpy(dst->rgucExtension, src, size);
|
|
|
+ dst->ucNExtensionBytes = size;
|
|
|
+}
|
|
|
+
|
|
|
+static void HandleStatus(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
|
|
|
+{
|
|
|
+ WiiButtonData data;
|
|
|
+ SDL_zero(data);
|
|
|
+ GetBaseButtons(&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ HandleButtonData(ctx, joystick, data);
|
|
|
+ if (ctx->m_eExtensionControllerType != k_eWiiExtensionControllerType_WiiUPro) {
|
|
|
+ /* Wii U has separate battery level tracking */
|
|
|
+ UpdatePowerLevelWii(joystick, ctx->m_rgucReadBuffer[6]);
|
|
|
+ }
|
|
|
+ /* TODO: Check Extensions */
|
|
|
+}
|
|
|
+
|
|
|
+static void HandleResponse(SDL_DriverWii_Context *ctx)
|
|
|
+{
|
|
|
+}
|
|
|
+
|
|
|
+static void HandleButtonPacket(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
|
|
|
+{
|
|
|
+ WiiButtonData data;
|
|
|
+ SDL_zero(data);
|
|
|
+ /* IR camera data is not supported */
|
|
|
+ switch (ctx->m_rgucReadBuffer[0]) {
|
|
|
+ case k_eWiiInputReportIDs_ButtonData0: /* 30 BB BB */
|
|
|
+ GetBaseButtons(&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonData1: /* 31 BB BB AA AA AA */
|
|
|
+ case k_eWiiInputReportIDs_ButtonData3: /* 33 BB BB AA AA AA II II II II II II II II II II II II */
|
|
|
+ GetBaseButtons (&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ GetAccelerometer(&data, ctx->m_rgucReadBuffer + 3);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonData2: /* 32 BB BB EE EE EE EE EE EE EE EE */
|
|
|
+ GetBaseButtons (&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ GetExtensionData(&data, ctx->m_rgucReadBuffer + 3, 8);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonData4: /* 34 BB BB EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE */
|
|
|
+ GetBaseButtons (&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ GetExtensionData(&data, ctx->m_rgucReadBuffer + 3, 19);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonData5: /* 35 BB BB AA AA AA EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE */
|
|
|
+ GetBaseButtons (&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ GetAccelerometer(&data, ctx->m_rgucReadBuffer + 3);
|
|
|
+ GetExtensionData(&data, ctx->m_rgucReadBuffer + 6, 16);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonData6: /* 36 BB BB II II II II II II II II II II EE EE EE EE EE EE EE EE EE */
|
|
|
+ GetBaseButtons (&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ GetExtensionData(&data, ctx->m_rgucReadBuffer + 13, 9);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonData7: /* 37 BB BB AA AA AA II II II II II II II II II II EE EE EE EE EE EE */
|
|
|
+ GetBaseButtons (&data, ctx->m_rgucReadBuffer + 1);
|
|
|
+ GetExtensionData(&data, ctx->m_rgucReadBuffer + 16, 6);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonDataD: /* 3d EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE */
|
|
|
+ GetExtensionData(&data, ctx->m_rgucReadBuffer + 1, 21);
|
|
|
+ break;
|
|
|
+ case k_eWiiInputReportIDs_ButtonDataE:
|
|
|
+ case k_eWiiInputReportIDs_ButtonDataF:
|
|
|
+ default:
|
|
|
+ SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: Unsupported button data type %02x", ctx->m_rgucReadBuffer[0]);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ HandleButtonData(ctx, joystick, data);
|
|
|
+}
|
|
|
+
|
|
|
+static void HandleInput(SDL_DriverWii_Context *ctx, SDL_Joystick *joystick)
|
|
|
+{
|
|
|
+ EWiiInputReportIDs type = ctx->m_rgucReadBuffer[0];
|
|
|
+ if (type == k_eWiiInputReportIDs_Status) {
|
|
|
+ HandleStatus(ctx, joystick);
|
|
|
+ } else if (type == k_eWiiInputReportIDs_Acknowledge || type == k_eWiiInputReportIDs_ReadMemory) {
|
|
|
+ HandleResponse(ctx);
|
|
|
+ } else if (type >= k_eWiiInputReportIDs_ButtonData0 && type <= k_eWiiInputReportIDs_ButtonDataF) {
|
|
|
+ HandleButtonPacket(ctx, joystick);
|
|
|
+ } else {
|
|
|
+ SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "HIDAPI WII: Unexpected input packet of type %x", type);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static const Uint32 FIFTEEN_MINUTES_IN_MS = 15 * 60 * 1000;
|
|
|
+
|
|
|
+static SDL_bool
|
|
|
+HIDAPI_DriverWii_UpdateDevice(SDL_HIDAPI_Device *device)
|
|
|
+{
|
|
|
+ SDL_DriverWii_Context *ctx = (SDL_DriverWii_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) {
|
|
|
+#ifdef DEBUG_WII_PROTOCOL
|
|
|
+ HIDAPI_DumpPacket("Wii packet: size = %d", ctx->m_rgucReadBuffer, size);
|
|
|
+#endif
|
|
|
+ HandleInput(ctx, joystick);
|
|
|
+ }
|
|
|
+
|
|
|
+ /* Request a status update periodically to make sure our battery value is up to date */
|
|
|
+ if (SDL_TICKS_PASSED(SDL_GetTicks(), ctx->m_iLastStatus + FIFTEEN_MINUTES_IN_MS)) {
|
|
|
+ ctx->m_iLastStatus = SDL_GetTicks();
|
|
|
+ WriteOutput(ctx, (Uint8[2]){ k_eWiiOutputReportIDs_StatusRequest, ctx->m_bRumbleActive }, 2, SDL_FALSE);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (size < 0) {
|
|
|
+ /* Read error, device is disconnected */
|
|
|
+ HIDAPI_JoystickDisconnected(device, joystick->instance_id);
|
|
|
+ }
|
|
|
+ return (size >= 0);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+HIDAPI_DriverWii_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
|
|
|
+{
|
|
|
+ SDL_DriverWii_Context *ctx = (SDL_DriverWii_Context *)device->context;
|
|
|
+
|
|
|
+ SDL_DelHintCallback(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS,
|
|
|
+ SDL_GameControllerButtonReportingHintChanged, ctx);
|
|
|
+
|
|
|
+ SDL_LockMutex(device->dev_lock);
|
|
|
+ {
|
|
|
+ SDL_hid_close(device->dev);
|
|
|
+ device->dev = NULL;
|
|
|
+
|
|
|
+ SDL_free(device->context);
|
|
|
+ device->context = NULL;
|
|
|
+ }
|
|
|
+ SDL_UnlockMutex(device->dev_lock);
|
|
|
+}
|
|
|
+
|
|
|
+static void
|
|
|
+HIDAPI_DriverWii_FreeDevice(SDL_HIDAPI_Device *device)
|
|
|
+{
|
|
|
+}
|
|
|
+
|
|
|
+SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverWii =
|
|
|
+{
|
|
|
+ SDL_HINT_JOYSTICK_HIDAPI_WII,
|
|
|
+ SDL_TRUE,
|
|
|
+ HIDAPI_DriverWii_RegisterHints,
|
|
|
+ HIDAPI_DriverWii_UnregisterHints,
|
|
|
+ HIDAPI_DriverWii_IsEnabled,
|
|
|
+ HIDAPI_DriverWii_IsSupportedDevice,
|
|
|
+ HIDAPI_DriverWii_GetDeviceName,
|
|
|
+ HIDAPI_DriverWii_InitDevice,
|
|
|
+ HIDAPI_DriverWii_GetDevicePlayerIndex,
|
|
|
+ HIDAPI_DriverWii_SetDevicePlayerIndex,
|
|
|
+ HIDAPI_DriverWii_UpdateDevice,
|
|
|
+ HIDAPI_DriverWii_OpenJoystick,
|
|
|
+ HIDAPI_DriverWii_RumbleJoystick,
|
|
|
+ HIDAPI_DriverWii_RumbleJoystickTriggers,
|
|
|
+ HIDAPI_DriverWii_GetJoystickCapabilities,
|
|
|
+ HIDAPI_DriverWii_SetJoystickLED,
|
|
|
+ HIDAPI_DriverWii_SendJoystickEffect,
|
|
|
+ HIDAPI_DriverWii_SetJoystickSensorsEnabled,
|
|
|
+ HIDAPI_DriverWii_CloseJoystick,
|
|
|
+ HIDAPI_DriverWii_FreeDevice,
|
|
|
+};
|
|
|
+
|
|
|
+#endif /* SDL_JOYSTICK_HIDAPI_WII */
|
|
|
+
|
|
|
+#endif /* SDL_JOYSTICK_HIDAPI */
|
|
|
+
|
|
|
+/* vi: set ts=4 sw=4 expandtab: */
|
Sam Lantinga