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dolphin/Externals/WiiUseSrc/Src/events.c
Soren Jorvang e648c6d68b Overhaul of OS X real Wiimote support. 
Fixes a number of problems, including unreliable connection setup, 
frequent disconnections, busy-waiting and shutdown deadlocks.

Motion Plus and nunchuk hot swapping now work and Wiiuse does a small
amount of queueing to prevent occasional dropped packets. The OS X 
bluetooth stack has no internal input buffering and while a worker  
thread can easily keep up with data coming from the Wiimote, the rest
of Dolphin can easily get behind if it is blocked by disk I/O or 
similar. Mostly the Wiimote protocol recovers from dropped packets,   
but sometimes the Wiimote would get out of sync and send a disconnect.
I wonder if the other platforms might benefit from a bit of queueing
at this layer as well.
 
Still doesn't support multiple devices, as I kept changing my mind 
about how best to do it. I only have one Wiimote anyway..
 
One improvement to the Wiimote plugin that would be really nice would
be for the scan for new devices to operate continuously or periodically
like on a real Wii rather than just for 5 seconds at startup..   


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5640 8ced0084-cf51-0410-be5f-012b33b47a6e
2010-06-09 19:36:08 +00:00

810 lines
22 KiB
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/*
* wiiuse
*
* Written By:
* Michael Laforest < para >
* Email: < thepara (--AT--) g m a i l [--DOT--] com >
*
* Copyright 2006-2007
*
* This file is part of wiiuse.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* $Header$
*
*/
/**
* @file
* @brief Handles wiimote events.
*
* The file includes functions that handle the events
* that are sent from the wiimote to us.
*/
#include <stdio.h>
#ifndef WIN32
#include <sys/time.h>
#include <unistd.h>
#include <errno.h>
#else
#include <winsock2.h>
#endif
#include <sys/types.h>
#include <stdlib.h>
#include <math.h>
#include "definitions.h"
#include "io.h"
#include "wiiuse_internal.h"
#include "dynamics.h"
#include "ir.h"
#include "nunchuk.h"
#include "classic.h"
#include "guitar_hero_3.h"
#include "wiiboard.h"
#include "events.h"
static void idle_cycle(struct wiimote_t* wm);
static void clear_dirty_reads(struct wiimote_t* wm);
static void propagate_event(struct wiimote_t* wm, byte event, byte* msg);
static void event_data_read(struct wiimote_t* wm, byte* msg);
static void event_status(struct wiimote_t* wm, byte* msg);
static void handle_expansion(struct wiimote_t* wm, byte* msg);
static void save_state(struct wiimote_t* wm);
static int state_changed(struct wiimote_t* wm);
/**
* @brief Poll the wiimotes for any events.
*
* @param wm An array of pointers to wiimote_t structures.
* @param wiimotes The number of wiimote_t structures in the \a wm array.
*
* @return Returns number of wiimotes that an event has occured on.
*
* It is necessary to poll the wiimote devices for events
* that occur. If an event occurs on a particular wiimote,
* the event variable will be set.
*/
int wiiuse_poll(struct wiimote_t** wm, int wiimotes) {
int evnt = 0;
/*
* Windows, Unix and Apple
*/
int i;
if (!wm) return 0;
for (i = 0; i < wiimotes; ++i) {
wm[i]->event = WIIUSE_NONE;
if (wiiuse_io_read(wm[i])) {
/* propagate the event */
propagate_event(wm[i], wm[i]->event_buf[1], wm[i]->event_buf+2);
evnt += (wm[i]->event != WIIUSE_NONE);
/* clear out the event buffer */
memset(wm[i]->event_buf, 0, sizeof(wm[i]->event_buf));
} else {
idle_cycle(wm[i]);
}
}
return evnt;
}
/**
* @brief Called on a cycle where no significant change occurs.
*
* @param wm Pointer to a wiimote_t structure.
*/
static void idle_cycle(struct wiimote_t* wm) {
/*
* Smooth the angles.
*
* This is done to make sure that on every cycle the orientation
* angles are smoothed. Normally when an event occurs the angles
* are updated and smoothed, but if no packet comes in then the
* angles remain the same. This means the angle wiiuse reports
* is still an old value. Smoothing needs to be applied in this
* case in order for the angle it reports to converge to the true
* angle of the device.
*/
if (WIIUSE_USING_ACC(wm) && WIIMOTE_IS_FLAG_SET(wm, WIIUSE_SMOOTHING)) {
apply_smoothing(&wm->accel_calib, &wm->orient, SMOOTH_ROLL);
apply_smoothing(&wm->accel_calib, &wm->orient, SMOOTH_PITCH);
}
/* clear out any old read requests */
clear_dirty_reads(wm);
}
/**
* @brief Clear out all old 'dirty' read requests.
*
* @param wm Pointer to a wiimote_t structure.
*/
static void clear_dirty_reads(struct wiimote_t* wm) {
struct read_req_t* req = wm->read_req;
while (req && req->dirty) {
WIIUSE_DEBUG("Cleared old read request for address: %x", req->addr);
wm->read_req = req->next;
free(req);
req = wm->read_req;
}
}
/**
* @brief Analyze the event that occured on a wiimote.
*
* @param wm An array of pointers to wiimote_t structures.
* @param event The event that occured.
* @param msg The message specified in the event packet.
*
* Pass the event to the registered event callback.
*/
static void propagate_event(struct wiimote_t* wm, byte event, byte* msg) {
save_state(wm);
switch (event) {
case WM_RPT_BTN:
{
/* button */
wiiuse_pressed_buttons(wm, msg);
break;
}
case WM_RPT_BTN_ACC:
{
/* button - motion */
wiiuse_pressed_buttons(wm, msg);
wm->accel.x = msg[2];
wm->accel.y = msg[3];
wm->accel.z = msg[4];
/* calculate the remote orientation */
calculate_orientation(&wm->accel_calib, &wm->accel, &wm->orient, WIIMOTE_IS_FLAG_SET(wm, WIIUSE_SMOOTHING));
/* calculate the gforces on each axis */
calculate_gforce(&wm->accel_calib, &wm->accel, &wm->gforce);
break;
}
case WM_RPT_READ:
{
/* data read */
event_data_read(wm, msg);
/* yeah buttons may be pressed, but this wasn't an "event" */
return;
}
case WM_RPT_CTRL_STATUS:
{
/* controller status */
event_status(wm, msg);
/* don't execute the event callback */
return;
}
case WM_RPT_BTN_EXP:
{
/* button - expansion */
wiiuse_pressed_buttons(wm, msg);
handle_expansion(wm, msg+2);
break;
}
case WM_RPT_BTN_ACC_EXP:
{
/* button - motion - expansion */
wiiuse_pressed_buttons(wm, msg);
wm->accel.x = msg[2];
wm->accel.y = msg[3];
wm->accel.z = msg[4];
calculate_orientation(&wm->accel_calib, &wm->accel, &wm->orient, WIIMOTE_IS_FLAG_SET(wm, WIIUSE_SMOOTHING));
calculate_gforce(&wm->accel_calib, &wm->accel, &wm->gforce);
handle_expansion(wm, msg+5);
break;
}
case WM_RPT_BTN_ACC_IR:
{
/* button - motion - ir */
wiiuse_pressed_buttons(wm, msg);
wm->accel.x = msg[2];
wm->accel.y = msg[3];
wm->accel.z = msg[4];
calculate_orientation(&wm->accel_calib, &wm->accel, &wm->orient, WIIMOTE_IS_FLAG_SET(wm, WIIUSE_SMOOTHING));
calculate_gforce(&wm->accel_calib, &wm->accel, &wm->gforce);
/* ir */
calculate_extended_ir(wm, msg+5);
break;
}
case WM_RPT_BTN_IR_EXP:
{
/* button - ir - expansion */
wiiuse_pressed_buttons(wm, msg);
handle_expansion(wm, msg+12);
/* ir */
calculate_basic_ir(wm, msg+2);
break;
}
case WM_RPT_BTN_ACC_IR_EXP:
{
/* button - motion - ir - expansion */
wiiuse_pressed_buttons(wm, msg);
wm->accel.x = msg[2];
wm->accel.y = msg[3];
wm->accel.z = msg[4];
calculate_orientation(&wm->accel_calib, &wm->accel, &wm->orient, WIIMOTE_IS_FLAG_SET(wm, WIIUSE_SMOOTHING));
calculate_gforce(&wm->accel_calib, &wm->accel, &wm->gforce);
handle_expansion(wm, msg+15);
/* ir */
calculate_basic_ir(wm, msg+5);
break;
}
case WM_RPT_WRITE:
{
/* write feedback - safe to skip */
break;
}
default:
{
WIIUSE_WARNING("Unknown event, can not handle it [Code 0x%x].", event);
return;
}
}
/* was there an event? */
if (state_changed(wm))
wm->event = WIIUSE_EVENT;
}
/**
* @brief Find what buttons are pressed.
*
* @param wm Pointer to a wiimote_t structure.
* @param msg The message specified in the event packet.
*/
void wiiuse_pressed_buttons(struct wiimote_t* wm, byte* msg) {
short now;
/* convert to big endian */
now = BIG_ENDIAN_SHORT(*(short*)msg) & WIIMOTE_BUTTON_ALL;
/* pressed now & were pressed, then held */
wm->btns_held = (now & wm->btns);
/* were pressed or were held & not pressed now, then released */
wm->btns_released = ((wm->btns | wm->btns_held) & ~now);
/* buttons pressed now */
wm->btns = now;
}
/**
* @brief Received a data packet from a read request.
*
* @param wm Pointer to a wiimote_t structure.
* @param msg The message specified in the event packet.
*
* Data from the wiimote comes in packets. If the requested
* data segment size is bigger than one packet can hold then
* several packets will be received. These packets are first
* reassembled into one, then the registered callback function
* that handles data reads is invoked.
*/
static void event_data_read(struct wiimote_t* wm, byte* msg) {
/* we must always assume the packet received is from the most recent request */
byte err;
byte len;
unsigned short offset;
struct read_req_t* req = wm->read_req;
wiiuse_pressed_buttons(wm, msg);
/* find the next non-dirty request */
while (req && req->dirty)
req = req->next;
/* if we don't have a request out then we didn't ask for this packet */
if (!req) {
WIIUSE_WARNING("Received data packet when no request was made.");
return;
}
err = msg[2] & 0x0F;
if (err == 0x08)
WIIUSE_WARNING("Unable to read data - address does not exist.");
else if (err == 0x07)
WIIUSE_WARNING("Unable to read data - address is for write-only registers.");
else if (err)
WIIUSE_WARNING("Unable to read data - unknown error code %x.", err);
if (err) {
/* this request errored out, so skip it and go to the next one */
/* delete this request */
wm->read_req = req->next;
free(req);
/* if another request exists send it to the wiimote */
if (wm->read_req)
wiiuse_send_next_pending_read_request(wm);
return;
}
len = ((msg[2] & 0xF0) >> 4) + 1;
offset = BIG_ENDIAN_SHORT(*(unsigned short*)(msg + 3));
req->addr = (req->addr & 0xFFFF);
req->wait -= len;
if (req->wait >= req->size)
/* this should never happen */
req->wait = 0;
WIIUSE_DEBUG("Received read packet:");
WIIUSE_DEBUG(" Packet read offset: %i bytes", offset);
WIIUSE_DEBUG(" Request read offset: %i bytes", req->addr);
WIIUSE_DEBUG(" Read offset into buf: %i bytes", offset - req->addr);
WIIUSE_DEBUG(" Read data size: %i bytes", len);
WIIUSE_DEBUG(" Still need: %i bytes", req->wait);
/* reconstruct this part of the data */
memcpy((req->buf + offset - req->addr), (msg + 5), len);
#ifdef WITH_WIIUSE_DEBUG
{
int i = 0;
printf("Read: ");
for (; i < req->size - req->wait; ++i)
printf("%x ", req->buf[i]);
printf("\n");
}
#endif
/* if all data has been received, execute the read event callback or generate event */
if (!req->wait) {
if (req->cb) {
/* this was a callback, so invoke it now */
req->cb(wm, req->buf, req->size);
/* delete this request */
wm->read_req = req->next;
free(req);
} else {
/*
* This should generate an event.
* We need to leave the event in the array so the client
* can access it still. We'll flag is as being 'dirty'
* and give the client one cycle to use it. Next event
* we will remove it from the list.
*/
wm->event = WIIUSE_READ_DATA;
req->dirty = 1;
}
/* if another request exists send it to the wiimote */
if (wm->read_req)
wiiuse_send_next_pending_read_request(wm);
}
}
/**
* @brief Read the controller status.
*
* @param wm Pointer to a wiimote_t structure.
* @param msg The message specified in the event packet.
*
* Read the controller status and execute the registered status callback.
*/
static void event_status(struct wiimote_t* wm, byte* msg) {
int led[4] = {0};
int attachment = 0;
int ir = 0;
int exp_changed = 0;
/*
* An event occured.
* This event can be overwritten by a more specific
* event type during a handshake or expansion removal.
*/
wm->event = WIIUSE_STATUS;
wiiuse_pressed_buttons(wm, msg);
/* find what LEDs are lit */
if (msg[2] & WM_CTRL_STATUS_BYTE1_LED_1) led[0] = 1;
if (msg[2] & WM_CTRL_STATUS_BYTE1_LED_2) led[1] = 1;
if (msg[2] & WM_CTRL_STATUS_BYTE1_LED_3) led[2] = 1;
if (msg[2] & WM_CTRL_STATUS_BYTE1_LED_4) led[3] = 1;
/* is an attachment connected to the expansion port? */
if ((msg[2] & WM_CTRL_STATUS_BYTE1_ATTACHMENT) == WM_CTRL_STATUS_BYTE1_ATTACHMENT)
attachment = 1;
/* is the speaker enabled? */
if ((msg[2] & WM_CTRL_STATUS_BYTE1_SPEAKER_ENABLED) == WM_CTRL_STATUS_BYTE1_SPEAKER_ENABLED)
WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_SPEAKER);
/* is IR sensing enabled? */
if ((msg[2] & WM_CTRL_STATUS_BYTE1_IR_ENABLED) == WM_CTRL_STATUS_BYTE1_IR_ENABLED)
ir = 1;
/* find the battery level and normalize between 0 and 1 */
wm->battery_level = (msg[5] / (float)WM_MAX_BATTERY_CODE);
/* expansion port */
if (attachment && !WIIMOTE_IS_SET(wm, WIIMOTE_STATE_EXP)) {
/* send the initialization code for the attachment */
handshake_expansion(wm, NULL, 0);
exp_changed = 1;
} else if (!attachment && WIIMOTE_IS_SET(wm, WIIMOTE_STATE_EXP)) {
/* attachment removed */
disable_expansion(wm);
exp_changed = 1;
}
if (!attachment) {
WIIUSE_DEBUG("Setting timeout to normal %i ms.", wm->normal_timeout);
wm->timeout = wm->normal_timeout;
}
/*
* From now on the remote will only send status packets.
* We need to send a WIIMOTE_CMD_REPORT_TYPE packet to
* reenable other incoming reports.
*/
if (exp_changed && WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR)) {
/*
* Since the expansion status changed IR needs to
* be reset for the new IR report mode.
*/
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_IR);
wiiuse_set_ir(wm, 1);
} else
wiiuse_set_report_type(wm);
}
/**
* @brief Handle data from the expansion.
*
* @param wm A pointer to a wiimote_t structure.
* @param msg The message specified in the event packet for the expansion.
*/
static void handle_expansion(struct wiimote_t* wm, byte* msg) {
switch (wm->expansion.type) {
case EXP_NUNCHUK:
nunchuk_event(&wm->expansion.nunchuk, msg);
break;
case EXP_CLASSIC:
classic_ctrl_event(&wm->expansion.classic, msg);
break;
case EXP_GUITAR_HERO_3:
guitar_hero_3_event(&wm->expansion.gh3, msg);
break;
case EXP_WII_BOARD:
wii_board_event(&wm->expansion.wb, msg);
break;
default:
break;
}
}
/**
* @brief Handle the handshake data from the expansion device.
*
* @param wm A pointer to a wiimote_t structure.
* @param data The data read in from the device.
* @param len The length of the data block, in bytes.
*
* Tries to determine what kind of expansion was attached
* and invoke the correct handshake function.
*
* If the data is NULL then this function will try to start
* a handshake with the expansion.
*/
void handshake_expansion(struct wiimote_t* wm, byte* data, unsigned short len) {
int wid;
if (!data) {
byte* handshake_buf;
byte buf = 0x00;
if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_EXP))
disable_expansion(wm);
/* increase the timeout until the handshake completes */
WIIUSE_DEBUG("Setting timeout to expansion %i ms.", wm->exp_timeout);
wm->timeout = wm->exp_timeout;
wiiuse_write_data(wm, WM_EXP_MEM_ENABLE, &buf, 1);
/* get the calibration data */
handshake_buf = (byte *)malloc(EXP_HANDSHAKE_LEN * sizeof(byte));
wiiuse_read_data_cb(wm, handshake_expansion, handshake_buf, WM_EXP_MEM_CALIBR, EXP_HANDSHAKE_LEN);
/* tell the wiimote to send expansion data */
WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_EXP);
return;
}
wid = BIG_ENDIAN_LONG(*(int*)(data + 220));
/* call the corresponding handshake function for this expansion */
switch (wid) {
case EXP_ID_CODE_NUNCHUK:
{
if (nunchuk_handshake(wm, &wm->expansion.nunchuk, data, len))
wm->event = WIIUSE_NUNCHUK_INSERTED;
break;
}
case EXP_ID_CODE_CLASSIC_CONTROLLER:
{
if (classic_ctrl_handshake(wm, &wm->expansion.classic, data, len))
wm->event = WIIUSE_CLASSIC_CTRL_INSERTED;
break;
}
case EXP_ID_CODE_GUITAR:
{
if (guitar_hero_3_handshake(wm, &wm->expansion.gh3, data, len))
wm->event = WIIUSE_GUITAR_HERO_3_CTRL_INSERTED;
break;
}
case EXP_ID_CODE_WII_BOARD:
{
if (wii_board_handshake(wm, &wm->expansion.wb, data, len))
wm->event = WIIUSE_WII_BOARD_CTRL_INSERTED;
break;
}
default:
{
WIIUSE_WARNING("Unknown expansion type. Code: 0x%x", wid);
break;
}
}
free(data);
}
/**
* @brief Disable the expansion device if it was enabled.
*
* @param wm A pointer to a wiimote_t structure.
* @param data The data read in from the device.
* @param len The length of the data block, in bytes.
*
* If the data is NULL then this function will try to start
* a handshake with the expansion.
*/
void disable_expansion(struct wiimote_t* wm) {
if (!WIIMOTE_IS_SET(wm, WIIMOTE_STATE_EXP))
return;
/* tell the assoicated module the expansion was removed */
switch (wm->expansion.type) {
case EXP_NUNCHUK:
nunchuk_disconnected(&wm->expansion.nunchuk);
wm->event = WIIUSE_NUNCHUK_REMOVED;
break;
case EXP_CLASSIC:
classic_ctrl_disconnected(&wm->expansion.classic);
wm->event = WIIUSE_CLASSIC_CTRL_REMOVED;
break;
case EXP_GUITAR_HERO_3:
guitar_hero_3_disconnected(&wm->expansion.gh3);
wm->event = WIIUSE_GUITAR_HERO_3_CTRL_REMOVED;
break;
case EXP_WII_BOARD:
wii_board_disconnected(&wm->expansion.wb);
wm->event = WIIUSE_WII_BOARD_CTRL_REMOVED;
break;
default:
break;
}
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_EXP);
wm->expansion.type = EXP_NONE;
}
/**
* @brief Save important state data.
* @param wm A pointer to a wiimote_t structure.
*/
static void save_state(struct wiimote_t* wm) {
/* wiimote */
wm->lstate.btns = wm->btns;
wm->lstate.accel = wm->accel;
/* ir */
if (WIIUSE_USING_IR(wm)) {
wm->lstate.ir_ax = wm->ir.ax;
wm->lstate.ir_ay = wm->ir.ay;
wm->lstate.ir_distance = wm->ir.distance;
}
/* expansion */
switch (wm->expansion.type) {
case EXP_NUNCHUK:
wm->lstate.exp_ljs_ang = wm->expansion.nunchuk.js.ang;
wm->lstate.exp_ljs_mag = wm->expansion.nunchuk.js.mag;
wm->lstate.exp_btns = wm->expansion.nunchuk.btns;
wm->lstate.exp_accel = wm->expansion.nunchuk.accel;
break;
case EXP_CLASSIC:
wm->lstate.exp_ljs_ang = wm->expansion.classic.ljs.ang;
wm->lstate.exp_ljs_mag = wm->expansion.classic.ljs.mag;
wm->lstate.exp_rjs_ang = wm->expansion.classic.rjs.ang;
wm->lstate.exp_rjs_mag = wm->expansion.classic.rjs.mag;
wm->lstate.exp_r_shoulder = wm->expansion.classic.r_shoulder;
wm->lstate.exp_l_shoulder = wm->expansion.classic.l_shoulder;
wm->lstate.exp_btns = wm->expansion.classic.btns;
break;
case EXP_GUITAR_HERO_3:
wm->lstate.exp_ljs_ang = wm->expansion.gh3.js.ang;
wm->lstate.exp_ljs_mag = wm->expansion.gh3.js.mag;
wm->lstate.exp_r_shoulder = wm->expansion.gh3.whammy_bar;
wm->lstate.exp_btns = wm->expansion.gh3.btns;
break;
case EXP_NONE:
break;
}
}
/**
* @brief Determine if the current state differs significantly from the previous.
* @param wm A pointer to a wiimote_t structure.
* @return 1 if a significant change occured, 0 if not.
*/
static int state_changed(struct wiimote_t* wm) {
#define STATE_CHANGED(a, b) if (a != b) return 1
#define CROSS_THRESH(last, now, thresh) \
do { \
if (WIIMOTE_IS_FLAG_SET(wm, WIIUSE_ORIENT_THRESH)) { \
if ((diff_f(last.roll, now.roll) >= thresh) || \
(diff_f(last.pitch, now.pitch) >= thresh) || \
(diff_f(last.yaw, now.yaw) >= thresh)) \
{ \
last = now; \
return 1; \
} \
} else { \
if (last.roll != now.roll) return 1; \
if (last.pitch != now.pitch) return 1; \
if (last.yaw != now.yaw) return 1; \
} \
} while (0)
#define CROSS_THRESH_XYZ(last, now, thresh) \
do { \
if (WIIMOTE_IS_FLAG_SET(wm, WIIUSE_ORIENT_THRESH)) { \
if ((diff_f(last.x, now.x) >= thresh) || \
(diff_f(last.y, now.y) >= thresh) || \
(diff_f(last.z, now.z) >= thresh)) \
{ \
last = now; \
return 1; \
} \
} else { \
if (last.x != now.x) return 1; \
if (last.y != now.y) return 1; \
if (last.z != now.z) return 1; \
} \
} while (0)
/* ir */
if (WIIUSE_USING_IR(wm)) {
STATE_CHANGED(wm->lstate.ir_ax, wm->ir.ax);
STATE_CHANGED(wm->lstate.ir_ay, wm->ir.ay);
STATE_CHANGED(wm->lstate.ir_distance, wm->ir.distance);
}
/* accelerometer */
if (WIIUSE_USING_ACC(wm)) {
/* raw accelerometer */
CROSS_THRESH_XYZ(wm->lstate.accel, wm->accel, wm->accel_threshold);
/* orientation */
CROSS_THRESH(wm->lstate.orient, wm->orient, wm->orient_threshold);
}
/* expansion */
switch (wm->expansion.type) {
case EXP_NUNCHUK:
{
STATE_CHANGED(wm->lstate.exp_ljs_ang, wm->expansion.nunchuk.js.ang);
STATE_CHANGED(wm->lstate.exp_ljs_mag, wm->expansion.nunchuk.js.mag);
STATE_CHANGED(wm->lstate.exp_btns, wm->expansion.nunchuk.btns);
CROSS_THRESH(wm->lstate.exp_orient, wm->expansion.nunchuk.orient, wm->expansion.nunchuk.orient_threshold);
CROSS_THRESH_XYZ(wm->lstate.exp_accel, wm->expansion.nunchuk.accel, wm->expansion.nunchuk.accel_threshold);
break;
}
case EXP_CLASSIC:
{
STATE_CHANGED(wm->lstate.exp_ljs_ang, wm->expansion.classic.ljs.ang);
STATE_CHANGED(wm->lstate.exp_ljs_mag, wm->expansion.classic.ljs.mag);
STATE_CHANGED(wm->lstate.exp_rjs_ang, wm->expansion.classic.rjs.ang);
STATE_CHANGED(wm->lstate.exp_rjs_mag, wm->expansion.classic.rjs.mag);
STATE_CHANGED(wm->lstate.exp_r_shoulder, wm->expansion.classic.r_shoulder);
STATE_CHANGED(wm->lstate.exp_l_shoulder, wm->expansion.classic.l_shoulder);
STATE_CHANGED(wm->lstate.exp_btns, wm->expansion.classic.btns);
break;
}
case EXP_GUITAR_HERO_3:
{
STATE_CHANGED(wm->lstate.exp_ljs_ang, wm->expansion.gh3.js.ang);
STATE_CHANGED(wm->lstate.exp_ljs_mag, wm->expansion.gh3.js.mag);
STATE_CHANGED(wm->lstate.exp_r_shoulder, wm->expansion.gh3.whammy_bar);
STATE_CHANGED(wm->lstate.exp_btns, wm->expansion.gh3.btns);
break;
}
case EXP_WII_BOARD:
{
STATE_CHANGED(wm->expansion.wb.ltr,wm->expansion.wb.tr);
STATE_CHANGED(wm->expansion.wb.ltl,wm->expansion.wb.tl);
STATE_CHANGED(wm->expansion.wb.lbr,wm->expansion.wb.br);
STATE_CHANGED(wm->expansion.wb.lbl,wm->expansion.wb.bl);
break;
}
case EXP_NONE:
{
break;
}
}
STATE_CHANGED(wm->lstate.btns, wm->btns);
return 0;
}
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