dolphin/Source/Plugins/Plugin_WiimoteNew/Src/WiimoteReal/WiimoteReal.cpp

528 lines
13 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include <queue>
#include "Common.h"
#include "IniFile.h"
#include "Thread.h"
#include "StringUtil.h"
#include "Timer.h"
#include "FifoQueue.h"
#include "pluginspecs_wiimote.h"
#include "wiiuse.h"
#include "WiimoteReal.h"
#include "../WiimoteEmu/WiimoteHid.h"
unsigned int g_wiimote_sources[MAX_WIIMOTES];
namespace WiimoteReal
{
bool g_real_wiimotes_initialized = false;
wiimote_t** g_wiimotes_from_wiiuse = NULL;
unsigned int g_wiimotes_found = 0;
volatile unsigned int g_wiimotes_lastfound = 0;
volatile bool g_run_wiimote_thread = false;
Common::Thread *g_wiimote_thread = NULL;
Common::CriticalSection g_refresh_critsec, g_wiimote_critsec;
THREAD_RETURN WiimoteThreadFunc(void* arg);
class Wiimote
{
public:
Wiimote(wiimote_t* const wm, const unsigned int index);
~Wiimote();
void ControlChannel(const u16 channel, const void* const data, const u32 size);
void InterruptChannel(const u16 channel, const void* const data, const u32 size);
void Update();
void Read();
void Write();
void Disconnect();
void DisableDataReporting();
void SendPacket(const u8 rpt_id, const void* const data, const unsigned int size);
// pointer to data, and size of data
typedef std::pair<u8*,u8> Report;
private:
void ClearReports();
wiimote_t* const m_wiimote;
const unsigned int m_index;
u16 m_channel;
u8 m_last_data_report[MAX_PAYLOAD];
bool m_last_data_report_valid;
Common::FifoQueue<u8*> m_read_reports;
Common::FifoQueue<Report> m_write_reports;
};
Wiimote::Wiimote(wiimote_t* const wm, const unsigned int index)
: m_wiimote(wm)
, m_index(index)
, m_channel(0)
, m_last_data_report_valid(false)
{
// disable reporting
DisableDataReporting();
// clear all msgs, silly maybe
// - cleared on first InterruptChannel call
//while (wiiuse_io_read(m_wiimote));
//{
// LEDs test
//wm_leds rpt = wm_leds();
//rpt.leds = 1 << i;
//SendPacket(g_wiimotes_from_wiiuse[i], WM_LEDS, &rpt, sizeof(rpt));
//}
// Rumble briefly
wiiuse_rumble(m_wiimote, 1);
SLEEP(200);
wiiuse_rumble(m_wiimote, 0);
// set LEDs
wiiuse_set_leds(m_wiimote, WIIMOTE_LED_1 << m_index);
// TODO: make Dolphin connect wiimote, maybe
}
Wiimote::~Wiimote()
{
ClearReports();
// disable reporting / wiiuse might do this on shutdown anyway, o well, don't know for sure
DisableDataReporting();
// send disconnect message to wii, maybe, i hope, naw shit messes up on emu-stop
//if (g_WiimoteInitialize.pWiimoteInterruptChannel)
//{
// //u8* const rpt = new u8[2];
// //rpt[0] = 0XA1; rpt[1] = 0x15;
// //m_read_reports.push(rpt);
// //Update();
// const u8 rpt[] = { 0xA1, 0x15 };
// g_WiimoteInitialize.pWiimoteInterruptChannel(m_index, m_channel, rpt, sizeof(rpt));
//}
}
// silly, copying data n stuff, o well, don't use this too often
void Wiimote::SendPacket(const u8 rpt_id, const void* const data, const unsigned int size)
{
Report rpt;
rpt.second = size + 2;
rpt.first = new u8[rpt.second];
rpt.first[0] = 0xA1;
rpt.first[1] = rpt_id;
memcpy(rpt.first + 2, data, size);
m_write_reports.Push(rpt);
}
void Wiimote::DisableDataReporting()
{
wm_report_mode rpt = wm_report_mode();
rpt.mode = WM_REPORT_CORE;
SendPacket(WM_REPORT_MODE, &rpt, sizeof(rpt));
}
void Wiimote::ClearReports()
{
m_last_data_report_valid = false;
Report rpt;
while (m_read_reports.Pop(rpt.first))
delete[] rpt.first;
while (m_write_reports.Pop(rpt))
delete[] rpt.first;
}
void Wiimote::ControlChannel(const u16 channel, const void* const data, const u32 size)
{
// Check for custom communication
if (99 == channel)
Disconnect();
else
InterruptChannel(channel, data, size);
}
void Wiimote::InterruptChannel(const u16 channel, const void* const data, const u32 size)
{
if (0 == m_channel) // first interrupt/control channel sent
{
// clear all msgs, silly maybe
while (wiiuse_io_read(m_wiimote)) {};
// request status
wm_request_status rpt = wm_request_status();
SendPacket(WM_REQUEST_STATUS, &rpt, sizeof(rpt));
}
m_channel = channel; // this right?
Wiimote::Report rpt;
rpt.first = new u8[size];
rpt.second = (u8)size;
memcpy(rpt.first, (u8*)data, size);
m_write_reports.Push(rpt);
}
void Wiimote::Read()
{
// if not connected to Dolphin, don't do anything, to keep sanchez happy :p
if (0 == m_channel)
return;
if (wiiuse_io_read(m_wiimote))
{
// a data report, save it
if (m_wiimote->event_buf[1] >= 0x30)
{
memcpy(m_last_data_report, m_wiimote->event_buf, MAX_PAYLOAD);
m_last_data_report_valid = true;
}
else
{
// some other report, add it to queue
u8* const rpt = new u8[MAX_PAYLOAD];
memcpy(rpt, m_wiimote->event_buf, MAX_PAYLOAD);
m_read_reports.Push(rpt);
}
}
}
void Wiimote::Write()
{
Report rpt;
if (m_write_reports.Pop(rpt))
{
wiiuse_io_write(m_wiimote, rpt.first, rpt.second);
delete[] rpt.first;
}
}
void Wiimote::Update()
{
// do we have some queued reports
u8* rpt;
if (m_read_reports.Pop(rpt))
{
g_WiimoteInitialize.pWiimoteInterruptChannel(m_index, m_channel, rpt, MAX_PAYLOAD);
delete[] rpt;
}
else if (m_last_data_report_valid)
{
// otherwise send the last data report, if there is one
g_WiimoteInitialize.pWiimoteInterruptChannel(m_index, m_channel, m_last_data_report, MAX_PAYLOAD);
}
}
void Wiimote::Disconnect()
{
m_channel = 0;
// disable reporting
DisableDataReporting();
// clear queue
ClearReports();
// clear out wiiuse queue, or maybe not, silly? idk
while (wiiuse_io_read(m_wiimote)) {};
}
Wiimote* g_wiimotes[4];
void LoadSettings()
{
std::string ini_filename = (std::string(File::GetUserPath(D_CONFIG_IDX)) + g_plugin.ini_name + ".ini" );
IniFile inifile;
inifile.Load(ini_filename);
for (unsigned int i=0; i<MAX_WIIMOTES; ++i)
{
std::string secname("Wiimote");
secname += (char)('1' + i);
IniFile::Section& sec = *inifile.GetOrCreateSection(secname.c_str());
sec.Get("Source", &g_wiimote_sources[i], WIIMOTE_SRC_EMU);
}
}
unsigned int Initialize()
{
// return if already initialized
if (g_real_wiimotes_initialized)
return g_wiimotes_found;
memset(g_wiimotes, 0, sizeof(g_wiimotes));
// only call wiiuse_find with the number of slots configured for real wiimotes
unsigned int wanted_wiimotes = 0;
for (unsigned int i = 0; i < MAX_WIIMOTES; ++i)
if (WIIMOTE_SRC_REAL == g_wiimote_sources[i])
++wanted_wiimotes;
// don't bother initializing wiiuse if we don't want any real wiimotes
if (0 == wanted_wiimotes)
{
g_wiimotes_found = 0;
return 0;
}
// initialized
g_real_wiimotes_initialized = true;
#ifdef WIN32
// Alloc memory for wiimote structure only if we're starting fresh
if(!g_wiimotes_from_wiiuse)
g_wiimotes_from_wiiuse = wiiuse_init(MAX_WIIMOTES);
// on windows wiiuse_find() expects as a 3rd parameter the amount of last connected wiimotes instead of the timeout,
// a timeout parameter is useless on win32 here, since at this points we already have the wiimotes discovered and paired up, just not connected.
g_wiimotes_found = wiiuse_find(g_wiimotes_from_wiiuse, wanted_wiimotes, g_wiimotes_lastfound);
#else
g_wiimotes_from_wiiuse = wiiuse_init(MAX_WIIMOTES);
g_wiimotes_found = wiiuse_find(g_wiimotes_from_wiiuse, wanted_wiimotes, 5);
#endif
g_wiimotes_lastfound = g_wiimotes_found;
DEBUG_LOG(WIIMOTE, "Found %i Real Wiimotes, %i wanted and %i previously found", g_wiimotes_found, wanted_wiimotes, g_wiimotes_lastfound);
g_wiimotes_found =
wiiuse_connect(g_wiimotes_from_wiiuse, g_wiimotes_found);
DEBUG_LOG(WIIMOTE, "Connected to %i Real Wiimotes", g_wiimotes_found);
g_wiimote_critsec.Enter(); // enter
// create real wiimote class instances, assign wiimotes
for (unsigned int i = 0, w = 0; i<MAX_WIIMOTES && w<g_wiimotes_found; ++i)
{
if (WIIMOTE_SRC_REAL != g_wiimote_sources[i])
continue;
// create/assign wiimote
g_wiimotes[i] = new Wiimote(g_wiimotes_from_wiiuse[w++], i);
}
g_wiimote_critsec.Leave(); // leave
// start wiimote thread
g_run_wiimote_thread = true;
g_wiimote_thread = new Common::Thread(WiimoteThreadFunc, 0);
return g_wiimotes_found;
}
void Shutdown(void)
{
if (false == g_real_wiimotes_initialized)
return;
// Uninitialized
g_real_wiimotes_initialized = false;
// stop wiimote thread
if (g_wiimote_thread)
{
g_run_wiimote_thread = false;
g_wiimote_thread->WaitForDeath();
delete g_wiimote_thread;
g_wiimote_thread = NULL;
}
g_wiimote_critsec.Enter(); // enter
// delete wiimotes
for (unsigned int i=0; i<MAX_WIIMOTES; ++i)
if (g_wiimotes[i])
{
delete g_wiimotes[i];
g_wiimotes[i] = NULL;
}
g_wiimote_critsec.Leave(); // leave
// set all LEDs on, idk
//for (unsigned int i=0; i<g_wiimotes_found; ++i)
//{
// wiiuse_set_leds(g_wiimotes_from_wiiuse[i], 0xF0);
//}
// Clean up wiiuse, win32: we cant just delete the struct on win32, since wiiuse_find() maintains it and
// adds/removes wimotes directly to/from it to prevent problems, which would occur when using more than 1 wiimote if we create it from scratch everytime
#ifndef WIN32
wiiuse_cleanup(g_wiimotes_from_wiiuse, MAX_WIIMOTES);
#endif
}
void Refresh() // this gets called from the GUI thread
{
g_refresh_critsec.Enter();
#ifdef __linux__
// make sure real wiimotes have been initialized
if (!g_real_wiimotes_initialized)
{
g_refresh_critsec.Leave();
Initialize();
return;
}
// find the number of slots configured for real wiimotes
unsigned int wanted_wiimotes = 0;
for (unsigned int i = 0; i < MAX_WIIMOTES; ++i)
if (g_wiimote_sources[i] == WIIMOTE_SRC_REAL)
++wanted_wiimotes;
// don't scan for wiimotes if we don't want any more
if (wanted_wiimotes <= g_wiimotes_found)
{
g_refresh_critsec.Leave();
return;
}
// scan for wiimotes
unsigned int num_wiimotes = wiiuse_find(g_wiimotes_from_wiiuse, wanted_wiimotes, 5);
DEBUG_LOG(WIIMOTE, "Found %i Real Wiimotes, %i wanted", num_wiimotes, wanted_wiimotes);
int num_new_wiimotes = wiiuse_connect(g_wiimotes_from_wiiuse, num_wiimotes);
DEBUG_LOG(WIIMOTE, "Connected to %i additional Real Wiimotes", num_new_wiimotes);
g_wiimote_critsec.Enter(); // enter
// create real wiimote class instances, and assign wiimotes for the new wiimotes
for (unsigned int i = g_wiimotes_found, w = g_wiimotes_found;
i < MAX_WIIMOTES && w < num_wiimotes; ++i)
{
if (g_wiimote_sources[i] != WIIMOTE_SRC_REAL || g_wiimotes[i] != NULL)
continue;
// create/assign wiimote
g_wiimotes[i] = new Wiimote(g_wiimotes_from_wiiuse[w++], i);
}
g_wiimotes_found = num_wiimotes;
g_wiimote_critsec.Leave(); // leave
#else // windows/ OSX
// should be fine i think
Shutdown();
Initialize();
#endif
g_refresh_critsec.Leave();
}
void InterruptChannel(int _WiimoteNumber, u16 _channelID, const void* _pData, u32 _Size)
{
u8* data = (u8*)_pData;
// some hax, since we just send the last data report to Dolphin on each Update() call
// , make the wiimote only send updated data reports when data changes
// == less bt traffic, eliminates some unneeded packets
if (WM_REPORT_MODE == ((u8*)_pData)[1])
{
// I dont wanna write on the const *_pData
data = new u8[_Size];
memcpy(data, _pData, _Size);
// nice var names :p, this seems to be this one
((wm_report_mode*)(data + 2))->all_the_time = false;
//((wm_report_mode*)(data + 2))->continuous = false;
}
g_refresh_critsec.Enter();
if (g_wiimotes[_WiimoteNumber])
g_wiimotes[_WiimoteNumber]->InterruptChannel(_channelID, data, _Size);
g_refresh_critsec.Leave();
if (data != _pData)
delete[] data;
}
void ControlChannel(int _WiimoteNumber, u16 _channelID, const void* _pData, u32 _Size)
{
g_refresh_critsec.Enter();
if (g_wiimotes[_WiimoteNumber])
g_wiimotes[_WiimoteNumber]->ControlChannel(_channelID, _pData, _Size);
g_refresh_critsec.Leave();
}
// Read the Wiimote once
void Update(int _WiimoteNumber)
{
g_refresh_critsec.Enter();
if (g_wiimotes[_WiimoteNumber])
g_wiimotes[_WiimoteNumber]->Update();
g_refresh_critsec.Leave();
}
void StateChange(PLUGIN_EMUSTATE newState)
{
g_wiimote_critsec.Enter(); // enter
// TODO: disable/enable auto reporting, maybe
g_wiimote_critsec.Leave(); // leave
}
THREAD_RETURN WiimoteThreadFunc(void* arg)
{
Common::SetCurrentThreadName("Wiimote Thread");
while (g_run_wiimote_thread)
{
g_wiimote_critsec.Enter(); // enter
for (unsigned int i=0; i<MAX_WIIMOTES; ++i)
if (g_wiimotes[i])
{
g_wiimotes[i]->Read();
g_wiimotes[i]->Write();
}
g_wiimote_critsec.Leave(); // leave
Common::SleepCurrentThread(1);
}
return 0;
}
}; // end of namespace