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

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#include "Attachment/Classic.h"
#include "Attachment/Nunchuk.h"
#include "WiimoteEmu.h"
#include "WiimoteHid.h"
#include <Timer.h>
#include <Common.h>
// buttons
#define WIIMOTE_PAD_LEFT 0x01
#define WIIMOTE_PAD_RIGHT 0x02
#define WIIMOTE_PAD_DOWN 0x04
#define WIIMOTE_PAD_UP 0x08
#define WIIMOTE_PLUS 0x10
#define WIIMOTE_TWO 0x0100
#define WIIMOTE_ONE 0x0200
#define WIIMOTE_B 0x0400
#define WIIMOTE_A 0x0800
#define WIIMOTE_MINUS 0x1000
#define WIIMOTE_HOME 0x8000
namespace WiimoteEmu
{
/* An example of a factory default first bytes of the Eeprom memory. There are differences between
different Wiimotes, my Wiimote had different neutral values for the accelerometer. */
static const u8 eeprom_data_0[] = {
// IR, maybe more
// assuming last 2 bytes are checksum
0xA1, 0xAA, 0x8B, 0x99, 0xAE, 0x9E, 0x78, 0x30, 0xA7, /*0x74, 0xD3,*/ 0x00, 0x00, // messing up the checksum on purpose
0xA1, 0xAA, 0x8B, 0x99, 0xAE, 0x9E, 0x78, 0x30, 0xA7, /*0x74, 0xD3,*/ 0x00, 0x00,
// Accelerometer
// 0g x,y,z, 1g x,y,z, 2 byte checksum
0x82, 0x82, 0x82, 0x15, 0x9C, 0x9C, 0x9E, 0x38, 0x40, 0x3E,
0x82, 0x82, 0x82, 0x15, 0x9C, 0x9C, 0x9E, 0x38, 0x40, 0x3E
};
static const u8 eeprom_data_16D0[] = {
0x00, 0x00, 0x00, 0xFF, 0x11, 0xEE, 0x00, 0x00,
0x33, 0xCC, 0x44, 0xBB, 0x00, 0x00, 0x66, 0x99,
0x77, 0x88, 0x00, 0x00, 0x2B, 0x01, 0xE8, 0x13
};
struct ReportFeatures
{
u8 core, accel, ir, ext, size;
} const reporting_mode_features[] =
{
//0x30: Core Buttons
{ 2, 0, 0, 0, 4 },
//0x31: Core Buttons and Accelerometer
{ 2, 4, 0, 0, 7 },
//0x32: Core Buttons with 8 Extension bytes
{ 2, 0, 0, 4, 12 },
//0x33: Core Buttons and Accelerometer with 12 IR bytes
{ 2, 4, 7, 0, 19 },
//0x34: Core Buttons with 19 Extension bytes
{ 2, 0, 0, 4, 23 },
//0x35: Core Buttons and Accelerometer with 16 Extension Bytes
{ 2, 4, 0, 7, 23 },
//0x36: Core Buttons with 10 IR bytes and 9 Extension Bytes
{ 2, 0, 4, 14, 23 },
//0x37: Core Buttons and Accelerometer with 10 IR bytes and 6 Extension Bytes
{ 2, 4, 7, 17, 23 },
//0x3d: 21 Extension Bytes
{ 0, 0, 0, 2, 23 },
//0x3e / 0x3f: Interleaved Core Buttons and Accelerometer with 36 IR bytes
// UNSUPPORTED
{ 0, 0, 0, 0, 23 },
};
// array of accel data to emulate shaking
const u8 shake_data[8] = { 0x40, 0x01, 0x40, 0x80, 0xC0, 0xFF, 0xC0, 0x80 };
const u16 button_bitmasks[] =
{
WIIMOTE_A, WIIMOTE_B, WIIMOTE_ONE, WIIMOTE_TWO, WIIMOTE_MINUS, WIIMOTE_PLUS, WIIMOTE_HOME
};
const u16 dpad_bitmasks[] =
{
WIIMOTE_PAD_UP, WIIMOTE_PAD_DOWN, WIIMOTE_PAD_LEFT, WIIMOTE_PAD_RIGHT
};
const u16 dpad_sideways_bitmasks[] =
{
WIIMOTE_PAD_RIGHT, WIIMOTE_PAD_LEFT, WIIMOTE_PAD_UP, WIIMOTE_PAD_DOWN
};
const char* const named_buttons[] =
{
"A",
"B",
"One",
"Two",
"Minus",
"Plus",
"Home",
};
void Wiimote::Reset()
{
m_reporting_mode = WM_REPORT_CORE;
// i think these two are good
m_reporting_channel = 0;
m_reporting_auto = false;
m_rumble_on = false;
// will make the first Update() call send a status request
// the first call to RequestStatus() will then set up the status struct extension bit
m_extension->active_extension = -1;
// eeprom
memset( m_eeprom, 0, sizeof(m_eeprom) );
// calibration data
memcpy( m_eeprom, eeprom_data_0, sizeof(eeprom_data_0) );
// dunno what this is for, copied from old plugin
memcpy( m_eeprom + 0x16D0, eeprom_data_16D0, sizeof(eeprom_data_16D0) );
// set up the register
m_register.clear();
m_register[0xa20000].resize(WIIMOTE_REG_SPEAKER_SIZE,0);
m_register[0xa40000].resize(WIIMOTE_REG_EXT_SIZE,0);
m_register[0xa60000].resize(WIIMOTE_REG_EXT_SIZE,0);
m_register[0xB00000].resize(WIIMOTE_REG_IR_SIZE,0);
//m_reg_speaker = &m_register[0xa20000][0];
m_reg_ext = &m_register[0xa40000][0];
//m_reg_motion_plus = &m_register[0xa60000][0];
m_reg_ir = &m_register[0xB00000][0];
// status
memset( &m_status, 0, sizeof(m_status) );
// Battery levels in voltage
// 0x00 - 0x32: level 1
// 0x33 - 0x43: level 2
// 0x33 - 0x54: level 3
// 0x55 - 0xff: level 4
m_status.battery = 0x5f;
m_shake_step = 0;
// clear read request queue
while (m_read_requests.size())
{
delete[] m_read_requests.front().data;
m_read_requests.pop();
}
}
Wiimote::Wiimote( const unsigned int index ) : m_index(index)
{
// ---- set up all the controls ----
// buttons
groups.push_back( m_buttons = new Buttons( "Buttons" ) );
for ( unsigned int i=0; i < sizeof(named_buttons)/sizeof(*named_buttons); ++i )
m_buttons->controls.push_back( new ControlGroup::Input( named_buttons[i] ) );
// ir
groups.push_back( m_ir = new Cursor( "IR", &g_WiimoteInitialize ) );
m_ir->controls.push_back( new ControlGroup::Input( "Forward" ) );
m_ir->controls.push_back( new ControlGroup::Input( "Hide" ) );
// forces
groups.push_back( m_tilt = new Tilt( "Pitch and Roll" ) );
//groups.push_back( m_tilt = new Tilt( "Tilt" ) );
//groups.push_back( m_swing = new Force( "Swing" ) );
// shake
groups.push_back( m_shake = new Buttons( "Shake" ) );
m_shake->controls.push_back( new ControlGroup::Input( "X" ) );
m_shake->controls.push_back( new ControlGroup::Input( "Y" ) );
m_shake->controls.push_back( new ControlGroup::Input( "Z" ) );
// extension
groups.push_back( m_extension = new Extension( "Extension" ) );
m_extension->attachments.push_back( new WiimoteEmu::None() );
m_extension->attachments.push_back( new WiimoteEmu::Nunchuk() );
m_extension->attachments.push_back( new WiimoteEmu::Classic() );
//m_extension->attachments.push_back( new Attachment::GH3() );
// dpad
groups.push_back( m_dpad = new Buttons( "D-Pad" ) );
for ( unsigned int i=0; i < 4; ++i )
m_dpad->controls.push_back( new ControlGroup::Input( named_directions[i] ) );
// rumble
groups.push_back( m_rumble = new ControlGroup( "Rumble" ) );
m_rumble->controls.push_back( new ControlGroup::Output( "Motor" ) );
// options
groups.push_back( options = new ControlGroup( "Options" ) );
options->settings.push_back( new ControlGroup::Setting( "Background Input", false ) );
options->settings.push_back( new ControlGroup::Setting( "Sideways Wiimote", false ) );
// --- reset eeprom/register/values to default ---
Reset();
}
std::string Wiimote::GetName() const
{
return std::string("Wiimote") + char('1'+m_index);
}
void Wiimote::Update()
{
const bool is_sideways = options->settings[1]->value > 0;
// if windows is focused or background input is enabled
const bool focus = g_WiimoteInitialize.pRendererHasFocus() || (options->settings[0]->value != 0);
// no rumble if no focus
if (false == focus)
m_rumble_on = false;
m_rumble->controls[0]->control_ref->State(m_rumble_on);
// update buttons in status struct
m_status.buttons = 0;
if ( focus )
{
m_buttons->GetState( &m_status.buttons, button_bitmasks );
m_dpad->GetState( &m_status.buttons, is_sideways ? dpad_sideways_bitmasks : dpad_bitmasks );
}
// check if there is a read data request
if ( m_read_requests.size() )
{
ReadRequest& rr = m_read_requests.front();
// send up to 16 bytes to the wii
SendReadDataReply(m_reporting_channel, rr);
//SendReadDataReply(rr.channel, rr);
// if there is no more data, remove from queue
if (0 == rr.size)
{
delete[] rr.data;
m_read_requests.pop();
}
// dont send any other reports
return;
}
// -- maybe this should happen before the read request stuff?
// check if a status report needs to be sent
// this happens on wiimote sync and when extensions are switched
if (m_extension->active_extension != m_extension->switch_extension)
{
RequestStatus(m_reporting_channel);
// Wiibrew: Following a connection or disconnection event on the Extension Port,
// data reporting is disabled and the Data Reporting Mode must be reset before new data can arrive.
// after a game receives an unrequested status report,
// it expects data reports to stop until it sets the reporting mode again
m_reporting_auto = false;
}
if ( false == m_reporting_auto )
return;
// figure out what data we need
const ReportFeatures& rpt = reporting_mode_features[m_reporting_mode - WM_REPORT_CORE];
// set up output report
// made data bigger than needed in case the wii specifies the wrong ir mode for a reporting mode
u8 data[46];
memset( data, 0, sizeof(data) );
data[0] = 0xA1;
data[1] = m_reporting_mode;
// core buttons
if (rpt.core)
*(wm_core*)(data + rpt.core) = m_status.buttons;
// accelerometer
if (rpt.accel)
{
// tilt
float x, y;
m_tilt->GetState( &x, &y, 0, focus ? (PI / 2) : 0 ); // 90 degrees
// this isn't doing anything with those low bits in the calib data, o well
const accel_cal* const cal = (accel_cal*)&m_eeprom[0x16];
const u8* const zero_g = &cal->zero_g.x;
u8 one_g[3];
for ( unsigned int i=0; i<3; ++i )
one_g[i] = (&cal->one_g.x)[i] - zero_g[i];
// this math should be good enough :P
data[rpt.accel + 2] = u8(sin( (PI / 2) - std::max( abs(x), abs(y) ) ) * one_g[2] + zero_g[2]);
if (is_sideways)
{
data[rpt.accel + 0] = u8(sin(y) * -one_g[1] + zero_g[1]);
data[rpt.accel + 1] = u8(sin(x) * -one_g[0] + zero_g[0]);
}
else
{
data[rpt.accel + 0] = u8(sin(x) * -one_g[0] + zero_g[0]);
data[rpt.accel + 1] = u8(sin(y) * one_g[1] + zero_g[1]);
}
// shake
const unsigned int btns[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20 };
unsigned int shake = 0;
if (focus)
m_shake->GetState( &shake, btns );
if (shake)
{
for ( unsigned int i=0; i<3; ++i )
if (shake & (1 << i))
data[rpt.accel + i] = shake_data[m_shake_step];
m_shake_step = (m_shake_step + 1) % sizeof(shake_data);
}
else
m_shake_step = 0;
// swing
//u8 swing[3];
//m_swing->GetState( swing, 0x80, 60 );
//for ( unsigned int i=0; i<3; ++i )
// if ( swing[i] != 0x80 )
// data[rpt.accel + i] = swing[i];
}
// extension
if (rpt.ext)
{
m_extension->GetState(data + rpt.ext, focus);
wiimote_encrypt(&m_ext_key, data + rpt.ext, 0x00, sizeof(wm_extension));
// i dont think anything accesses the extension data like this, but ill support it
memcpy(m_reg_ext + 8, data + rpt.ext, sizeof(wm_extension));
}
// ir
if (rpt.ir)
{
float xx = 10000, yy = 0, zz = 0;
if (focus)
m_ir->GetState(&xx, &yy, &zz, true);
xx *= (-256 * 0.95f);
xx += 512;
yy *= (-256 * 0.90f);
yy += 490;
const unsigned int distance = (unsigned int)(100 + 100 * zz);
// TODO: make roll affect the dot positions
const unsigned int y = (unsigned int)yy;
unsigned int x[4];
x[0] = (unsigned int)(xx - distance);
x[1] = (unsigned int)(xx + distance);
x[2] = (unsigned int)(xx - 1.2f * distance);
x[3] = (unsigned int)(xx + 1.2f * distance);
// ir mode
switch (m_reg_ir[0x33])
{
// basic
case 1 :
{
memset(data + rpt.ir, 0xFF, 10);
wm_ir_basic* const irdata = (wm_ir_basic*)(data + rpt.ir);
if (y < 768)
{
for ( unsigned int i=0; i<2; ++i )
{
if (x[i*2] < 1024)
{
irdata[i].x1 = u8(x[i*2]);
irdata[i].x1hi = x[i*2] >> 8;
irdata[i].y1 = u8(y);
irdata[i].y1hi = y >> 8;
}
if (x[i*2+1] < 1024)
{
irdata[i].x2 = u8(x[i*2+1]);
irdata[i].x2hi = x[i*2+1] >> 8;
irdata[i].y2 = u8(y);
irdata[i].y2hi = y >> 8;
}
}
}
}
break;
// extended
case 3 :
{
memset(data + rpt.ir, 0xFF, 12);
wm_ir_extended* const irdata = (wm_ir_extended*)(data + rpt.ir);
if (y < 768)
{
for ( unsigned int i=0; i<2; ++i )
if (irdata[i].x < 1024)
{
irdata[i].x = u8(x[i]);
irdata[i].xhi = x[i] >> 8;
irdata[i].y = u8(y);
irdata[i].yhi = y >> 8;
irdata[i].size = 10;
}
}
}
break;
// full
case 5 :
// UNSUPPORTED
break;
}
}
// send data report
g_WiimoteInitialize.pWiimoteInput( m_index, m_reporting_channel, data, rpt.size );
}
void Wiimote::ControlChannel(const u16 _channelID, const void* _pData, u32 _Size)
{
// Check for custom communication
if (99 == _channelID)
{
// wiimote disconnected
//PanicAlert( "Wiimote Disconnected" );
// reset eeprom/register/reporting mode
Reset();
return;
}
hid_packet* hidp = (hid_packet*)_pData;
INFO_LOG(WIIMOTE, "Emu ControlChannel (page: %i, type: 0x%02x, param: 0x%02x)", m_index, hidp->type, hidp->param);
switch(hidp->type)
{
case HID_TYPE_HANDSHAKE :
PanicAlert("HID_TYPE_HANDSHAKE - %s", (hidp->param == HID_PARAM_INPUT) ? "INPUT" : "OUPUT");
break;
case HID_TYPE_SET_REPORT :
if (HID_PARAM_INPUT == hidp->param)
{
PanicAlert("HID_TYPE_SET_REPORT - INPUT");
}
else
{
// AyuanX: My experiment shows Control Channel is never used
// shuffle2: but homebrew uses this, so we'll do what we must :)
HidOutputReport(_channelID, (wm_report*)hidp->data);
u8 handshake = HID_HANDSHAKE_SUCCESS;
g_WiimoteInitialize.pWiimoteInput(m_index, _channelID, &handshake, 1);
PanicAlert("HID_TYPE_DATA - OUTPUT: Ambiguous Control Channel Report!");
}
break;
case HID_TYPE_DATA :
PanicAlert("HID_TYPE_DATA - %s", (hidp->param == HID_PARAM_INPUT) ? "INPUT" : "OUTPUT");
break;
default :
PanicAlert("HidControlChannel: Unknown type %x and param %x", hidp->type, hidp->param);
break;
}
}
void Wiimote::InterruptChannel(const u16 _channelID, const void* _pData, u32 _Size)
{
hid_packet* hidp = (hid_packet*)_pData;
switch (hidp->type)
{
case HID_TYPE_DATA:
switch (hidp->param)
{
case HID_PARAM_OUTPUT :
{
wm_report* sr = (wm_report*)hidp->data;
HidOutputReport(_channelID, sr);
}
break;
default :
PanicAlert("HidInput: HID_TYPE_DATA - param 0x%02x", hidp->type, hidp->param);
break;
}
break;
default:
PanicAlert("HidInput: Unknown type 0x%02x and param 0x%02x", hidp->type, hidp->param);
break;
}
}
// TODO: i need to test this
void Wiimote::Register::Read( size_t address, void* dst, size_t length )
{
while (length)
{
const std::vector<u8>* block = NULL;
size_t addr_start = 0;
size_t addr_end = address+length;
// TODO: don't need to start at begin() each time
// find block and start of next block
const_iterator
i = begin(),
e = end();
for ( ; i!=e; ++i )
if ( address >= i->first )
{
block = &i->second;
addr_start = i->first;
}
else
{
addr_end = std::min( i->first, addr_end );
break;
}
// read bytes from a mapped block
if (block)
{
const size_t offset = std::min( address - addr_start, block->size() );
const size_t amt = std::min( block->size()-offset, length );
memcpy( dst, &block->operator[](offset), amt );
address += amt;
dst = ((u8*)dst) + amt;
length -= amt;
}
// read zeros for unmapped regions
const size_t amt = addr_end - address;
memset( dst, 0, amt );
address += amt;
dst = ((u8*)dst) + amt;
length -= amt;
}
}
// TODO: i need to test this
void Wiimote::Register::Write( size_t address, void* src, size_t length )
{
while (length)
{
std::vector<u8>* block = NULL;
size_t addr_start = 0;
size_t addr_end = address+length;
// TODO: don't need to start at begin() each time
// find block and start of next block
iterator
i = begin(),
e = end();
for ( ; i!=e; ++i )
if ( address >= i->first )
{
block = &i->second;
addr_start = i->first;
}
else
{
addr_end = std::min( i->first, addr_end );
break;
}
// write bytes to a mapped block
if (block)
{
const size_t offset = std::min( address - addr_start, block->size() );
const size_t amt = std::min( block->size()-offset, length );
memcpy( &block->operator[](offset), src, amt );
address += amt;
src = ((u8*)src) + amt;
length -= amt;
}
// do nothing for unmapped regions
const size_t amt = addr_end - address;
address += amt;
src = ((u8*)src) + amt;
length -= amt;
}
}
}
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