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wpad.c
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wpad.c
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/*-------------------------------------------------------------
wpad.c -- Wiimote Application Programmers Interface
Copyright (C) 2008
Michael Wiedenbauer (shagkur)
Dave Murphy (WinterMute)
Hector Martin (marcan)
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you use
this software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
-------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "asm.h"
#include "processor.h"
#include "bte.h"
#include "conf.h"
#include "ir.h"
#include "speaker.h"
#include "dynamics.h"
#include "guitar_hero_3.h"
#include "wiiboard.h"
#include "wiiuse_internal.h"
#include "wiiuse/wpad.h"
#include "lwp_threads.h"
#include "ogcsys.h"
#define MAX_STREAMDATA_LEN 20
#define EVENTQUEUE_LENGTH 16
#define DISCONNECT_BATTERY_DIED 0x14
#define DISCONNECT_POWER_OFF 0x15
struct _wpad_thresh{
s32 btns;
s32 ir;
s32 js;
s32 acc;
s32 wb;
s32 mp;
};
struct _wpad_cb {
wiimote *wm;
s32 data_fmt;
s32 queue_head;
s32 queue_tail;
s32 queue_full;
u32 queue_length;
u32 dropped_events;
s32 idle_time;
s32 speaker_enabled;
struct _wpad_thresh thresh;
void *sound_data;
u32 sound_len;
u32 sound_off;
syswd_t sound_alarm;
WPADData lstate;
WPADData *queue_ext;
WPADData queue_int[EVENTQUEUE_LENGTH];
};
static syswd_t __wpad_timer;
static vu32 __wpads_inited = 0;
static vs32 __wpads_ponded = 0;
static u32 __wpad_idletimeout = 300;
static vu32 __wpads_active = 0;
static vu32 __wpads_used = 0;
static wiimote **__wpads = NULL;
static wiimote_listen __wpads_listen[CONF_PAD_MAX_REGISTERED];
static WPADData wpaddata[WPAD_MAX_WIIMOTES];
static struct _wpad_cb __wpdcb[WPAD_MAX_WIIMOTES];
static conf_pads __wpad_devs;
static struct linkkey_info __wpad_keys[WPAD_MAX_WIIMOTES];
static s32 __wpad_onreset(s32 final);
static s32 __wpad_disconnect(struct _wpad_cb *wpdcb);
static void __wpad_eventCB(struct wiimote_t *wm,s32 event);
static void __wpad_def_powcb(s32 chan);
static WPADShutdownCallback __wpad_batcb = NULL;
static WPADShutdownCallback __wpad_powcb = __wpad_def_powcb;
extern void __wiiuse_sensorbar_enable(int enable);
extern void __SYS_DoPowerCB(void);
static sys_resetinfo __wpad_resetinfo = {
{},
__wpad_onreset,
127
};
static s32 __wpad_onreset(s32 final)
{
//printf("__wpad_onreset(%d)\n",final);
if(final==FALSE) {
WPAD_Shutdown();
}
return 1;
}
static void __wpad_def_powcb(s32 chan)
{
__SYS_DoPowerCB();
}
static void __wpad_timeouthandler(syswd_t alarm,void *cbarg)
{
s32 i;
struct wiimote_t *wm = NULL;
struct _wpad_cb *wpdcb = NULL;
if(!__wpads_active) return;
__lwp_thread_dispatchdisable();
for(i=0;i<WPAD_MAX_WIIMOTES;i++) {
wpdcb = &__wpdcb[i];
wm = wpdcb->wm;
if(wm && WIIMOTE_IS_SET(wm,WIIMOTE_STATE_CONNECTED)) {
wpdcb->idle_time++;
if(wpdcb->idle_time>=__wpad_idletimeout) {
wpdcb->idle_time = 0;
wiiuse_disconnect(wm);
}
}
}
__lwp_thread_dispatchunnest();
}
static void __wpad_sounddata_alarmhandler(syswd_t alarm,void *cbarg)
{
u8 *snd_data;
u32 snd_off;
struct wiimote_t *wm;
struct _wpad_cb *wpdcb = (struct _wpad_cb*)cbarg;
if(!wpdcb) return;
if(wpdcb->sound_off>=wpdcb->sound_len) {
wpdcb->sound_data = NULL;
wpdcb->sound_len = 0;
wpdcb->sound_off = 0;
SYS_CancelAlarm(wpdcb->sound_alarm);
return;
}
wm = wpdcb->wm;
snd_data = wpdcb->sound_data;
snd_off = wpdcb->sound_off;
wpdcb->sound_off += MAX_STREAMDATA_LEN;
wiiuse_write_streamdata(wm,(snd_data+snd_off),MAX_STREAMDATA_LEN,NULL);
}
static void __wpad_setfmt(s32 chan)
{
switch(__wpdcb[chan].data_fmt) {
case WPAD_FMT_BTNS:
wiiuse_set_flags(__wpads[chan], 0, WIIUSE_CONTINUOUS);
wiiuse_motion_sensing(__wpads[chan],0);
wiiuse_set_ir(__wpads[chan],0);
break;
case WPAD_FMT_BTNS_ACC:
wiiuse_set_flags(__wpads[chan], WIIUSE_CONTINUOUS, 0);
wiiuse_motion_sensing(__wpads[chan],1);
wiiuse_set_ir(__wpads[chan],0);
break;
case WPAD_FMT_BTNS_IR:
wiiuse_set_flags(__wpads[chan], WIIUSE_CONTINUOUS, 0);
wiiuse_motion_sensing(__wpads[chan],0);
wiiuse_set_ir(__wpads[chan],1);
break;
case WPAD_FMT_BTNS_ACC_IR:
wiiuse_set_flags(__wpads[chan], WIIUSE_CONTINUOUS, 0);
wiiuse_motion_sensing(__wpads[chan],1);
wiiuse_set_ir(__wpads[chan],1);
break;
default:
break;
}
}
wiimote *__wpad_assign_slot(struct bd_addr *pad_addr)
{
u32 i, level;
struct bd_addr bdaddr;
//printf("WPAD Assigning slot (active: 0x%02x)\n", __wpads_used);
_CPU_ISR_Disable(level);
// check for balance board
BD_ADDR(&(bdaddr),__wpad_devs.balance_board.bdaddr[5],__wpad_devs.balance_board.bdaddr[4],__wpad_devs.balance_board.bdaddr[3],__wpad_devs.balance_board.bdaddr[2],__wpad_devs.balance_board.bdaddr[1],__wpad_devs.balance_board.bdaddr[0]);
if(bd_addr_cmp(pad_addr,&bdaddr)) {
if(!(__wpads_used&(1<<WPAD_BALANCE_BOARD))) {
__wpads_used |= (0x01<<WPAD_BALANCE_BOARD);
_CPU_ISR_Restore(level);
return __wpads[WPAD_BALANCE_BOARD];
} else {
_CPU_ISR_Restore(level);
return NULL;
}
}
// Try preassigned slots
for(i=0; i<CONF_PAD_MAX_ACTIVE /*&& i<WPAD_MAX_WIIMOTES*/; i++) {
BD_ADDR(&(bdaddr),__wpad_devs.active[i].bdaddr[5],__wpad_devs.active[i].bdaddr[4],__wpad_devs.active[i].bdaddr[3],__wpad_devs.active[i].bdaddr[2],__wpad_devs.active[i].bdaddr[1],__wpad_devs.active[i].bdaddr[0]);
if(bd_addr_cmp(pad_addr,&bdaddr) && !(__wpads_used & (1<<i))) {
//printf("WPAD Got Preassigned Slot %d\n", i);
__wpads_used |= (0x01<<i);
_CPU_ISR_Restore(level);
return __wpads[i];
}
}
// No match, pick the first free slot
for(i=0; i<WPAD_MAX_WIIMOTES; i++) {
if(!(__wpads_used & (1<<i))) {
//printf("WPAD Got Free Slot %d\n", i);
__wpads_used |= (0x01<<i);
_CPU_ISR_Restore(level);
return __wpads[i];
}
}
//printf("WPAD All Slots Used\n");
_CPU_ISR_Restore(level);
return NULL;
}
static s32 __wpad_init_finished(s32 result,void *usrdata)
{
u32 i;
struct bd_addr bdaddr;
//printf("__wpad_init_finished(%d)\n",result);
if(result==ERR_OK) {
for(i=0;/*__wpads[i] && */i<__wpad_devs.num_registered;i++) {
BD_ADDR(&(bdaddr),__wpad_devs.registered[i].bdaddr[5],__wpad_devs.registered[i].bdaddr[4],__wpad_devs.registered[i].bdaddr[3],__wpad_devs.registered[i].bdaddr[2],__wpad_devs.registered[i].bdaddr[1],__wpad_devs.registered[i].bdaddr[0]);
wiiuse_register(&__wpads_listen[i],&(bdaddr),__wpad_assign_slot);
}
BD_ADDR(&(bdaddr),__wpad_devs.balance_board.bdaddr[5],__wpad_devs.balance_board.bdaddr[4],__wpad_devs.balance_board.bdaddr[3],__wpad_devs.balance_board.bdaddr[2],__wpad_devs.balance_board.bdaddr[1],__wpad_devs.balance_board.bdaddr[0]);
if(i<CONF_PAD_MAX_REGISTERED && !bd_addr_cmp(&bdaddr,BD_ADDR_ANY)) {
wiiuse_register(&__wpads_listen[i],&(bdaddr),__wpad_assign_slot);
}
__wpads_inited = WPAD_STATE_ENABLED;
}
return ERR_OK;
}
static s32 __wpad_patch_finished(s32 result,void *usrdata)
{
//printf("__wpad_patch_finished(%d)\n",result);
BTE_InitSub(__wpad_init_finished);
return ERR_OK;
}
static s32 __readlinkkey_finished(s32 result,void *usrdata)
{
//printf("__readlinkkey_finished(%d)\n",result);
__wpads_ponded = result;
BTE_ApplyPatch(__wpad_patch_finished);
return ERR_OK;
}
static s32 __initcore_finished(s32 result,void *usrdata)
{
//printf("__initcore_finished(%d)\n",result);
if(result==ERR_OK) {
BTE_ReadStoredLinkKey(__wpad_keys,WPAD_MAX_WIIMOTES,__readlinkkey_finished);
}
return ERR_OK;
}
static s32 __wpad_disconnect(struct _wpad_cb *wpdcb)
{
struct wiimote_t *wm;
if(wpdcb==NULL) return 0;
wm = wpdcb->wm;
if(wm && WIIMOTE_IS_SET(wm,WIIMOTE_STATE_CONNECTED)) {
wiiuse_disconnect(wm);
}
return 0;
}
static void __wpad_calc_data(WPADData *data,WPADData *lstate,struct accel_t *accel_calib,u32 smoothed)
{
if(data->err!=WPAD_ERR_NONE) return;
if(data->data_present & WPAD_DATA_ACCEL) {
data->orient = lstate->orient;
calculate_orientation(accel_calib, &data->accel, &data->orient, smoothed);
calculate_gforce(accel_calib, &data->accel, &data->gforce);
} else {
memset(&data->accel,0,sizeof(struct vec3w_t));
memset(&data->orient,0,sizeof(struct orient_t));
memset(&data->gforce,0,sizeof(struct gforce_t));
}
if(data->data_present & WPAD_DATA_IR) {
data->ir.state = lstate->ir.state;
data->ir.sensorbar = lstate->ir.sensorbar;
data->ir.x = lstate->ir.x;
data->ir.y = lstate->ir.y;
data->ir.sx = lstate->ir.sx;
data->ir.sy = lstate->ir.sy;
data->ir.ax = lstate->ir.ax;
data->ir.ay = lstate->ir.ay;
data->ir.distance = lstate->ir.distance;
data->ir.z = lstate->ir.z;
data->ir.angle = lstate->ir.angle;
data->ir.error_cnt = lstate->ir.error_cnt;
data->ir.glitch_cnt = lstate->ir.glitch_cnt;
interpret_ir_data(&data->ir,&data->orient);
} else {
memset(&data->ir,0,sizeof(struct ir_t));
}
if(data->data_present & WPAD_DATA_EXPANSION) {
switch(data->exp.type) {
case EXP_NUNCHUK:
{
struct nunchuk_t *nc = &data->exp.nunchuk;
nc->orient = lstate->exp.nunchuk.orient;
calc_joystick_state(&nc->js,nc->js.pos.x,nc->js.pos.y);
calculate_orientation(&nc->accel_calib,&nc->accel,&nc->orient,smoothed);
calculate_gforce(&nc->accel_calib,&nc->accel,&nc->gforce);
data->btns_h |= (nc->btns<<16);
}
break;
case EXP_CLASSIC:
{
struct classic_ctrl_t *cc = &data->exp.classic;
cc->r_shoulder = ((f32)cc->rs_raw/0x1F);
cc->l_shoulder = ((f32)cc->ls_raw/0x1F);
calc_joystick_state(&cc->ljs, cc->ljs.pos.x, cc->ljs.pos.y);
calc_joystick_state(&cc->rjs, cc->rjs.pos.x, cc->rjs.pos.y);
data->btns_h |= (cc->btns<<16);
}
break;
case EXP_GUITAR_HERO_3:
{
struct guitar_hero_3_t *gh3 = &data->exp.gh3;
gh3->touch_bar = 0;
if (gh3->tb_raw > 0x1B)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_ORANGE;
else if (gh3->tb_raw > 0x18)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_ORANGE | GUITAR_HERO_3_TOUCH_BLUE;
else if (gh3->tb_raw > 0x15)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_BLUE;
else if (gh3->tb_raw > 0x13)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_BLUE | GUITAR_HERO_3_TOUCH_YELLOW;
else if (gh3->tb_raw > 0x10)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_YELLOW;
else if (gh3->tb_raw > 0x0D)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_AVAILABLE;
else if (gh3->tb_raw > 0x0B)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_YELLOW | GUITAR_HERO_3_TOUCH_RED;
else if (gh3->tb_raw > 0x08)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_RED;
else if (gh3->tb_raw > 0x05)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_RED | GUITAR_HERO_3_TOUCH_GREEN;
else if (gh3->tb_raw > 0x02)
gh3->touch_bar = GUITAR_HERO_3_TOUCH_GREEN;
gh3->whammy_bar = (gh3->wb_raw - GUITAR_HERO_3_WHAMMY_BAR_MIN) / (float)(GUITAR_HERO_3_WHAMMY_BAR_MAX - GUITAR_HERO_3_WHAMMY_BAR_MIN);
calc_joystick_state(&gh3->js, gh3->js.pos.x, gh3->js.pos.y);
data->btns_h |= (gh3->btns<<16);
}
break;
case EXP_WIIU_PRO:
{
struct wiiu_pro_ctrl_t *wup = &data->exp.wup;
calc_joystick_state(&wup->ljs, wup->ljs.pos.x, wup->ljs.pos.y);
calc_joystick_state(&wup->rjs, wup->rjs.pos.x, wup->rjs.pos.y);
data->btns_h |= (wup->btns<<16);
}
break;
case EXP_WII_BOARD:
{
struct wii_board_t *wb = &data->exp.wb;
calc_balanceboard_state(wb);
}
break;
case EXP_EXTENMOTE_NES:
{
struct extenmote_nes_t *nes = &data->exp.nes;
data->btns_h |= (nes->btns<<16);
}
break;
case EXP_EXTENMOTE_SNES:
{
struct extenmote_snes_t *snes = &data->exp.snes;
data->btns_h |= (snes->btns<<16);
}
break;
case EXP_EXTENMOTE_N64:
{
struct extenmote_n64_t *n64 = &data->exp.n64;
calc_joystick_state(&n64->js, n64->js.pos.x, n64->js.pos.y);
data->btns_h |= (n64->btns<<16);
}
break;
case EXP_EXTENMOTE_GC:
{
struct extenmote_gc_t *gc = &data->exp.gc;
gc->r_shoulder = ((f32)gc->rs_raw/0xFF);
gc->l_shoulder = ((f32)gc->ls_raw/0xFF);
calc_joystick_state(&gc->ljs, gc->ljs.pos.x, gc->ljs.pos.y);
calc_joystick_state(&gc->rjs, gc->rjs.pos.x, gc->rjs.pos.y);
data->btns_h |= (gc->btns<<16);
}
break;
default:
break;
}
} else {
memset(&data->exp,0,sizeof(struct expansion_t));
}
data->btns_l = lstate->btns_h;
data->btns_d = data->btns_h & ~data->btns_l;
data->btns_u = ~data->btns_h & data->btns_l;
*lstate = *data;
}
static void __save_state(struct wiimote_t* wm) {
/* wiimote */
wm->lstate.btns = wm->btns;
wm->lstate.accel = wm->accel;
/* ir */
wm->lstate.ir = wm->ir;
/* expansion */
switch (wm->exp.type) {
case EXP_NUNCHUK:
wm->lstate.exp.nunchuk = wm->exp.nunchuk;
break;
case EXP_CLASSIC:
wm->lstate.exp.classic = wm->exp.classic;
break;
case EXP_GUITAR_HERO_3:
wm->lstate.exp.gh3 = wm->exp.gh3;
break;
case EXP_WIIU_PRO:
wm->lstate.exp.wup = wm->exp.wup;
break;
case EXP_WII_BOARD:
wm->lstate.exp.wb = wm->exp.wb;
break;
case EXP_MOTION_PLUS:
wm->lstate.exp.mp = wm->exp.mp;
break;
case EXP_EXTENMOTE_NES:
wm->lstate.exp.nes = wm->exp.nes;
break;
case EXP_EXTENMOTE_SNES:
wm->lstate.exp.snes = wm->exp.snes;
break;
case EXP_EXTENMOTE_N64:
wm->lstate.exp.n64 = wm->exp.n64;
break;
case EXP_EXTENMOTE_GC:
wm->lstate.exp.gc = wm->exp.gc;
break;
}
}
#define ABS(x) ((s32)(x)>0?(s32)(x):-((s32)(x)))
#define STATE_CHECK(thresh, a, b) \
if(((thresh) > WPAD_THRESH_IGNORE) && (ABS((a)-(b)) > (thresh))) \
state_changed = 1;
#define STATE_CHECK_SIMPLE(thresh, a, b) \
if(((thresh) > WPAD_THRESH_IGNORE) && ((a) != (b))) \
state_changed = 1;
static u32 __wpad_read_expansion(struct wiimote_t *wm,WPADData *data, struct _wpad_thresh *thresh)
{
int state_changed = 0;
switch(data->exp.type) {
case EXP_NUNCHUK:
data->exp.nunchuk = wm->exp.nunchuk;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.nunchuk.btns, wm->lstate.exp.nunchuk.btns);
STATE_CHECK(thresh->acc, wm->exp.nunchuk.accel.x, wm->lstate.exp.nunchuk.accel.x);
STATE_CHECK(thresh->acc, wm->exp.nunchuk.accel.y, wm->lstate.exp.nunchuk.accel.y);
STATE_CHECK(thresh->acc, wm->exp.nunchuk.accel.z, wm->lstate.exp.nunchuk.accel.z);
STATE_CHECK(thresh->js, wm->exp.nunchuk.js.pos.x, wm->lstate.exp.nunchuk.js.pos.x);
STATE_CHECK(thresh->js, wm->exp.nunchuk.js.pos.y, wm->lstate.exp.nunchuk.js.pos.y);
break;
case EXP_CLASSIC:
data->exp.classic = wm->exp.classic;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.classic.btns, wm->lstate.exp.classic.btns);
STATE_CHECK(thresh->js, wm->exp.classic.rs_raw, wm->lstate.exp.classic.rs_raw);
STATE_CHECK(thresh->js, wm->exp.classic.ls_raw, wm->lstate.exp.classic.ls_raw);
STATE_CHECK(thresh->js, wm->exp.classic.ljs.pos.x, wm->lstate.exp.classic.ljs.pos.x);
STATE_CHECK(thresh->js, wm->exp.classic.ljs.pos.y, wm->lstate.exp.classic.ljs.pos.y);
STATE_CHECK(thresh->js, wm->exp.classic.rjs.pos.x, wm->lstate.exp.classic.rjs.pos.x);
STATE_CHECK(thresh->js, wm->exp.classic.rjs.pos.y, wm->lstate.exp.classic.rjs.pos.y);
break;
case EXP_GUITAR_HERO_3:
data->exp.gh3 = wm->exp.gh3;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.gh3.btns, wm->lstate.exp.gh3.btns);
STATE_CHECK(thresh->js, wm->exp.gh3.wb_raw, wm->lstate.exp.gh3.wb_raw);
STATE_CHECK(thresh->js, wm->exp.gh3.js.pos.x, wm->lstate.exp.gh3.js.pos.x);
STATE_CHECK(thresh->js, wm->exp.gh3.js.pos.y, wm->lstate.exp.gh3.js.pos.y);
break;
case EXP_WIIU_PRO:
data->exp.wup = wm->exp.wup;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.wup.btns, wm->lstate.exp.wup.btns);
STATE_CHECK(thresh->js, wm->exp.wup.ljs.pos.x, wm->lstate.exp.wup.ljs.pos.x);
STATE_CHECK(thresh->js, wm->exp.wup.ljs.pos.y, wm->lstate.exp.wup.ljs.pos.y);
STATE_CHECK(thresh->js, wm->exp.wup.rjs.pos.x, wm->lstate.exp.wup.rjs.pos.x);
STATE_CHECK(thresh->js, wm->exp.wup.rjs.pos.y, wm->lstate.exp.wup.rjs.pos.y);
break;
case EXP_WII_BOARD:
data->exp.wb = wm->exp.wb;
STATE_CHECK(thresh->wb,wm->exp.wb.rtl,wm->lstate.exp.wb.rtl);
STATE_CHECK(thresh->wb,wm->exp.wb.rtr,wm->lstate.exp.wb.rtr);
STATE_CHECK(thresh->wb,wm->exp.wb.rbl,wm->lstate.exp.wb.rbl);
STATE_CHECK(thresh->wb,wm->exp.wb.rbr,wm->lstate.exp.wb.rbr);
break;
case EXP_MOTION_PLUS:
data->exp.mp = wm->exp.mp;
STATE_CHECK(thresh->mp,wm->exp.mp.rx,wm->lstate.exp.mp.rx);
STATE_CHECK(thresh->mp,wm->exp.mp.ry,wm->lstate.exp.mp.ry);
STATE_CHECK(thresh->mp,wm->exp.mp.rz,wm->lstate.exp.mp.rz);
break;
case EXP_EXTENMOTE_NES:
data->exp.nes = wm->exp.nes;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.nes.btns, wm->lstate.exp.nes.btns);
break;
case EXP_EXTENMOTE_SNES:
data->exp.snes = wm->exp.snes;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.snes.btns, wm->lstate.exp.snes.btns);
break;
case EXP_EXTENMOTE_N64:
data->exp.n64 = wm->exp.n64;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.n64.btns, wm->lstate.exp.n64.btns);
STATE_CHECK(thresh->js, wm->exp.n64.js.pos.x, wm->lstate.exp.n64.js.pos.x);
STATE_CHECK(thresh->js, wm->exp.n64.js.pos.y, wm->lstate.exp.n64.js.pos.y);
break;
case EXP_EXTENMOTE_GC:
data->exp.gc = wm->exp.gc;
STATE_CHECK_SIMPLE(thresh->btns, wm->exp.gc.btns, wm->lstate.exp.gc.btns);
STATE_CHECK(thresh->js, wm->exp.gc.rs_raw, wm->lstate.exp.gc.rs_raw);
STATE_CHECK(thresh->js, wm->exp.gc.ls_raw, wm->lstate.exp.gc.ls_raw);
STATE_CHECK(thresh->js, wm->exp.gc.ljs.pos.x, wm->lstate.exp.gc.ljs.pos.x);
STATE_CHECK(thresh->js, wm->exp.gc.ljs.pos.y, wm->lstate.exp.gc.ljs.pos.y);
STATE_CHECK(thresh->js, wm->exp.gc.rjs.pos.x, wm->lstate.exp.gc.rjs.pos.x);
STATE_CHECK(thresh->js, wm->exp.gc.rjs.pos.y, wm->lstate.exp.gc.rjs.pos.y);
break;
}
return state_changed;
}
static void __wpad_read_wiimote(struct wiimote_t *wm, WPADData *data, s32 *idle_time, struct _wpad_thresh *thresh)
{
int i;
int state_changed = 0;
data->err = WPAD_ERR_TRANSFER;
data->data_present = 0;
data->battery_level = wm->battery_level;
data->exp.type = wm->exp.type;
if(wm && WIIMOTE_IS_SET(wm,WIIMOTE_STATE_CONNECTED)) {
if(WIIMOTE_IS_SET(wm,WIIMOTE_STATE_HANDSHAKE_COMPLETE)) {
switch(wm->event_buf[0]) {
case WM_RPT_BTN:
case WM_RPT_BTN_ACC:
case WM_RPT_BTN_ACC_IR:
case WM_RPT_BTN_EXP:
case WM_RPT_BTN_ACC_EXP:
case WM_RPT_BTN_IR_EXP:
case WM_RPT_BTN_ACC_IR_EXP:
data->btns_h = (wm->btns&0xffff);
data->data_present |= WPAD_DATA_BUTTONS;
STATE_CHECK_SIMPLE(thresh->btns, wm->btns, wm->lstate.btns);
}
switch(wm->event_buf[0]) {
case WM_RPT_BTN_ACC:
case WM_RPT_BTN_ACC_IR:
case WM_RPT_BTN_ACC_EXP:
case WM_RPT_BTN_ACC_IR_EXP:
data->accel = wm->accel;
data->data_present |= WPAD_DATA_ACCEL;
STATE_CHECK(thresh->acc, wm->accel.x, wm->lstate.accel.x);
STATE_CHECK(thresh->acc, wm->accel.y, wm->lstate.accel.y);
STATE_CHECK(thresh->acc, wm->accel.z, wm->lstate.accel.z);
}
switch(wm->event_buf[0]) {
case WM_RPT_BTN_IR_EXP:
case WM_RPT_BTN_ACC_IR:
case WM_RPT_BTN_ACC_IR_EXP:
data->ir = wm->ir;
data->data_present |= WPAD_DATA_IR;
for(i=0; i<WPAD_MAX_IR_DOTS; i++) {
STATE_CHECK_SIMPLE(thresh->ir, wm->ir.dot[i].visible, wm->lstate.ir.dot[i].visible);
STATE_CHECK(thresh->ir, wm->ir.dot[i].rx, wm->lstate.ir.dot[i].rx);
STATE_CHECK(thresh->ir, wm->ir.dot[i].ry, wm->lstate.ir.dot[i].ry);
}
}
switch(wm->event_buf[0]) {
case WM_RPT_BTN_EXP:
case WM_RPT_BTN_ACC_EXP:
case WM_RPT_BTN_IR_EXP:
case WM_RPT_BTN_ACC_IR_EXP:
state_changed |= __wpad_read_expansion(wm,data,thresh);
data->data_present |= WPAD_DATA_EXPANSION;
}
data->err = WPAD_ERR_NONE;
if(state_changed) {
*idle_time = 0;
__save_state(wm);
}
} else
data->err = WPAD_ERR_NOT_READY;
} else
data->err = WPAD_ERR_NO_CONTROLLER;
}
static void __wpad_eventCB(struct wiimote_t *wm,s32 event)
{
s32 chan;
u32 maxbufs;
WPADData *wpadd = NULL;
struct _wpad_cb *wpdcb = NULL;
switch(event) {
case WIIUSE_EVENT:
chan = wm->unid;
wpdcb = &__wpdcb[chan];
if(wpdcb->queue_ext!=NULL) {
maxbufs = wpdcb->queue_length;
wpadd = &(wpdcb->queue_ext[wpdcb->queue_tail]);
} else {
maxbufs = EVENTQUEUE_LENGTH;
wpadd = &(wpdcb->queue_int[wpdcb->queue_tail]);
}
if(wpdcb->queue_full == maxbufs) {
wpdcb->queue_head++;
wpdcb->queue_head %= maxbufs;
wpdcb->dropped_events++;
} else {
wpdcb->queue_full++;
}
__wpad_read_wiimote(wm, wpadd, &wpdcb->idle_time, &wpdcb->thresh);
wpdcb->queue_tail++;
wpdcb->queue_tail %= maxbufs;
break;
case WIIUSE_STATUS:
break;
case WIIUSE_CONNECT:
chan = wm->unid;
wpdcb = &__wpdcb[chan];
wpdcb->wm = wm;
wpdcb->queue_head = 0;
wpdcb->queue_tail = 0;
wpdcb->queue_full = 0;
wpdcb->idle_time = 0;
memset(&wpdcb->lstate,0,sizeof(WPADData));
memset(&wpaddata[chan],0,sizeof(WPADData));
memset(wpdcb->queue_int,0,(sizeof(WPADData)*EVENTQUEUE_LENGTH));
wiiuse_set_ir_position(wm,(CONF_GetSensorBarPosition()^1));
wiiuse_set_ir_sensitivity(wm,CONF_GetIRSensitivity());
wiiuse_set_leds(wm,(WIIMOTE_LED_1<<(chan%WPAD_BALANCE_BOARD)),NULL);
wiiuse_set_speaker(wm,wpdcb->speaker_enabled);
__wpad_setfmt(chan);
__wpads_active |= (0x01<<chan);
break;
case WIIUSE_DISCONNECT:
chan = wm->unid;
wpdcb = &__wpdcb[chan];
wpdcb->wm = wm;
wpdcb->queue_head = 0;
wpdcb->queue_tail = 0;
wpdcb->queue_full = 0;
wpdcb->queue_length = 0;
wpdcb->queue_ext = NULL;
wpdcb->idle_time = -1;
memset(&wpdcb->lstate,0,sizeof(WPADData));
memset(&wpaddata[chan],0,sizeof(WPADData));
memset(wpdcb->queue_int,0,(sizeof(WPADData)*EVENTQUEUE_LENGTH));
__wpads_active &= ~(0x01<<chan);
__wpads_used &= ~(0x01<<chan);
break;
default:
break;
}
}
void __wpad_disconnectCB(struct bd_addr *offaddr, u8 reason)
{
struct bd_addr bdaddr;
int i;
if(__wpads_inited == WPAD_STATE_ENABLED) {
for(i=0;i<__wpad_devs.num_registered;i++) {
BD_ADDR(&(bdaddr),__wpad_devs.registered[i].bdaddr[5],__wpad_devs.registered[i].bdaddr[4],__wpad_devs.registered[i].bdaddr[3],__wpad_devs.registered[i].bdaddr[2],__wpad_devs.registered[i].bdaddr[1],__wpad_devs.registered[i].bdaddr[0]);
if(bd_addr_cmp(offaddr,&bdaddr)) {
if(reason == DISCONNECT_BATTERY_DIED) {
if(__wpad_batcb) __wpad_batcb(i); //sanity check since this pointer can be NULL.
} else if(reason == DISCONNECT_POWER_OFF)
__wpad_powcb(i); //no sanity check because there's a default callback iff not otherwise set.
break;
}
}
}
}
s32 WPAD_Init()
{
u32 level;
struct timespec tb;
int i;
_CPU_ISR_Disable(level);
if(__wpads_inited==WPAD_STATE_DISABLED) {
__wpads_ponded = 0;
__wpads_active = 0;
memset(__wpdcb,0,sizeof(struct _wpad_cb)*WPAD_MAX_WIIMOTES);
memset(&__wpad_devs,0,sizeof(conf_pads));
memset(__wpad_keys,0,sizeof(struct linkkey_info)*WPAD_MAX_WIIMOTES);
for(i=0;i<WPAD_MAX_WIIMOTES;i++) {
__wpdcb[i].thresh.btns = WPAD_THRESH_DEFAULT_BUTTONS;
__wpdcb[i].thresh.ir = WPAD_THRESH_DEFAULT_IR;
__wpdcb[i].thresh.acc = WPAD_THRESH_DEFAULT_ACCEL;
__wpdcb[i].thresh.js = WPAD_THRESH_DEFAULT_JOYSTICK;
__wpdcb[i].thresh.wb = WPAD_THRESH_DEFAULT_BALANCEBOARD;
__wpdcb[i].thresh.mp = WPAD_THRESH_DEFAULT_MOTION_PLUS;
if (SYS_CreateAlarm(&__wpdcb[i].sound_alarm) < 0)
{
WPAD_Shutdown();
_CPU_ISR_Restore(level);
return WPAD_ERR_UNKNOWN;
}
}
if(CONF_GetPadDevices(&__wpad_devs) < 0) {
WPAD_Shutdown();
_CPU_ISR_Restore(level);
return WPAD_ERR_BADCONF;
}
if(__wpad_devs.num_registered == 0) {
WPAD_Shutdown();
_CPU_ISR_Restore(level);
return WPAD_ERR_NONEREGISTERED;
}
if(__wpad_devs.num_registered > CONF_PAD_MAX_REGISTERED) {
WPAD_Shutdown();
_CPU_ISR_Restore(level);
return WPAD_ERR_BADCONF;
}
__wpads = wiiuse_init(WPAD_MAX_WIIMOTES,__wpad_eventCB);
if(__wpads==NULL) {
WPAD_Shutdown();
_CPU_ISR_Restore(level);
return WPAD_ERR_UNKNOWN;
}
__wiiuse_sensorbar_enable(1);
BTE_Init();
BTE_SetDisconnectCallback(__wpad_disconnectCB);
BTE_InitCore(__initcore_finished);
if (SYS_CreateAlarm(&__wpad_timer) < 0)
{
WPAD_Shutdown();
_CPU_ISR_Restore(level);
return WPAD_ERR_UNKNOWN;
}
SYS_RegisterResetFunc(&__wpad_resetinfo);
tb.tv_sec = 1;
tb.tv_nsec = 0;
SYS_SetPeriodicAlarm(__wpad_timer,&tb,&tb,__wpad_timeouthandler,NULL);
__wpads_inited = WPAD_STATE_ENABLING;
}
_CPU_ISR_Restore(level);
return WPAD_ERR_NONE;
}
s32 WPAD_ReadEvent(s32 chan, WPADData *data)
{
u32 level;
u32 maxbufs,smoothed = 0;
struct accel_t *accel_calib = NULL;
struct _wpad_cb *wpdcb = NULL;
WPADData *lstate = NULL,*wpadd = NULL;
if(chan<WPAD_CHAN_0 || chan>=WPAD_MAX_WIIMOTES) return WPAD_ERR_BAD_CHANNEL;
_CPU_ISR_Disable(level);
if(__wpads_inited==WPAD_STATE_DISABLED) {
_CPU_ISR_Restore(level);
return WPAD_ERR_NOT_READY;
}
if(__wpads[chan] && WIIMOTE_IS_SET(__wpads[chan],WIIMOTE_STATE_CONNECTED)) {
if(WIIMOTE_IS_SET(__wpads[chan],WIIMOTE_STATE_HANDSHAKE_COMPLETE)) {
wpdcb = &__wpdcb[chan];
if(wpdcb->queue_ext!=NULL) {
maxbufs = wpdcb->queue_length;
wpadd = wpdcb->queue_ext;
} else {
maxbufs = EVENTQUEUE_LENGTH;
wpadd = wpdcb->queue_int;
}
if(wpdcb->queue_full == 0) {
_CPU_ISR_Restore(level);
return WPAD_ERR_QUEUE_EMPTY;
}
if(data)
*data = wpadd[wpdcb->queue_head];
wpdcb->queue_head++;
wpdcb->queue_head %= maxbufs;
wpdcb->queue_full--;
lstate = &wpdcb->lstate;
accel_calib = &__wpads[chan]->accel_calib;
smoothed = WIIMOTE_IS_FLAG_SET(__wpads[chan], WIIUSE_SMOOTHING);
} else {
_CPU_ISR_Restore(level);
return WPAD_ERR_NOT_READY;
}
} else {
_CPU_ISR_Restore(level);
return WPAD_ERR_NO_CONTROLLER;
}
_CPU_ISR_Restore(level);
if(data)
__wpad_calc_data(data,lstate,accel_calib,smoothed);
return 0;
}
s32 WPAD_DroppedEvents(s32 chan)
{
u32 level;
s32 ret;
int i;
int dropped = 0;
if(chan == WPAD_CHAN_ALL) {
for(i=WPAD_CHAN_0; i<WPAD_MAX_WIIMOTES; i++)
if((ret = WPAD_DroppedEvents(i)) < WPAD_ERR_NONE)
return ret;
else
dropped += ret;
return dropped;
}
if(chan<WPAD_CHAN_0 || chan>=WPAD_MAX_WIIMOTES) return WPAD_ERR_BAD_CHANNEL;
_CPU_ISR_Disable(level);
if(__wpads_inited==WPAD_STATE_DISABLED) {
_CPU_ISR_Restore(level);
return WPAD_ERR_NOT_READY;
}
if(__wpads[chan]!=NULL) {
dropped = __wpdcb[chan].dropped_events;
__wpdcb[chan].dropped_events = 0;
}
_CPU_ISR_Restore(level);
return dropped;
}
s32 WPAD_Flush(s32 chan)
{
s32 ret;
int i;
int count = 0;
if(chan == WPAD_CHAN_ALL) {
for(i=WPAD_CHAN_0; i<WPAD_MAX_WIIMOTES; i++)
if((ret = WPAD_Flush(i)) < WPAD_ERR_NONE)
return ret;
else
count += ret;
return count;
}
while((ret = WPAD_ReadEvent(chan, NULL)) >= 0)
count++;
if(ret == WPAD_ERR_QUEUE_EMPTY) return count;
return ret;
}
s32 WPAD_ReadPending(s32 chan, WPADDataCallback datacb)
{
u32 btns_p = 0;
u32 btns_h = 0;
u32 btns_l = 0;
u32 btns_ch = 0;
u32 btns_ev = 0;
u32 btns_nh = 0;
u32 i;
s32 count = 0;
s32 ret;
if(chan == WPAD_CHAN_ALL) {
for(i=WPAD_CHAN_0; i<WPAD_MAX_WIIMOTES; i++)
if((ret = WPAD_ReadPending(i, datacb)) >= WPAD_ERR_NONE)
count += ret;
return count;
}
btns_p = btns_nh = btns_l = wpaddata[chan].btns_h;
while(1) {
ret = WPAD_ReadEvent(chan,&wpaddata[chan]);
if(ret < WPAD_ERR_NONE) break;
if(datacb)
datacb(chan, &wpaddata[chan]);
// we ignore everything except _h, since we have our
// own "fake" _l and everything gets recalculated at
// the end of the function
btns_h = wpaddata[chan].btns_h;
/* Button event coalescing:
* What we're doing here is get the very first button event
* (press or release) for each button. This gets propagated
* to the output. Held will therefore report an "old" state
* for every button that has changed more than once. This is
* intentional: next call to WPAD_ReadPending, if this button
* hasn't again changed, the opposite event will fire. This
* is the behavior that preserves the most information,
* within the limitations of trying to coalesce multiple events
* into one. It also keeps the output consistent, if possibly
* not fully up to date.
*/
// buttons that changed that haven't changed before
btns_ch = (btns_h ^ btns_p) & ~btns_ev;
btns_p = btns_h;
// propagate changes in btns_ch to btns_nd
btns_nh = (btns_nh & ~btns_ch) | (btns_h & btns_ch);
// store these new changes to btns_ev
btns_ev |= btns_ch;
count++;
}
wpaddata[chan].btns_h = btns_nh;
wpaddata[chan].btns_l = btns_l;
wpaddata[chan].btns_d = btns_nh & ~btns_l;
wpaddata[chan].btns_u = ~btns_nh & btns_l;
if(ret == WPAD_ERR_QUEUE_EMPTY) return count;