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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[] = {
0xA1, 0xAA, 0x8B, 0x99, 0xAE, 0x9E, 0x78, 0x30, 0xA7, 0x74, 0xD3,
0xA1, 0xAA, 0x8B, 0x99, 0xAE, 0x9E, 0x78, 0x30, 0xA7, 0x74, 0xD3,
// Accelerometer neutral values
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
};
// array of accel data to emulate shaking
const u8 shake_data[8] = { 0x80, 0x40, 0x01, 0x40, 0x80, 0xC0, 0xFF, 0xC0 };
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;
// 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;
}
Wiimote::Wiimote( const unsigned int index, SWiimoteInitialize* const wiimote_initialize )
: m_index(index)
, m_wiimote_init( wiimote_initialize )
{
// ---- 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_rumble = new ControlGroup( "IR" ) );
//m_rumble->controls.push_back( new ControlGroup::Output( "X" ) );
//m_rumble->controls.push_back( new ControlGroup::Output( "Y" ) );
//m_rumble->controls.push_back( new ControlGroup::Output( "Distance" ) );
//m_rumble->controls.push_back( new ControlGroup::Output( "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;
// update buttons in status struct
m_status.buttons = 0;
m_buttons->GetState( &m_status.buttons, button_bitmasks );
m_dpad->GetState( &m_status.buttons, is_sideways ? dpad_sideways_bitmasks : dpad_bitmasks );
// 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, NULL );
// 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
size_t rpt_size = 0;
size_t rpt_core = 0;
size_t rpt_accel = 0;
size_t rpt_ir = 0;
size_t rpt_ext = 0;
switch ( m_reporting_mode )
{
//(a1) 30 BB BB
case WM_REPORT_CORE :
rpt_size = 2 + 2;
rpt_core = 2;
break;
//(a1) 31 BB BB AA AA AA
case WM_REPORT_CORE_ACCEL :
rpt_size = 2 + 2 + 3;
rpt_core = 2;
rpt_accel = 2 + 2;
break;
//(a1) 33 BB BB AA AA AA II II II II II II II II II II II II
case WM_REPORT_CORE_ACCEL_IR12 :
rpt_size = 2 + 2 + 3 + 12;
rpt_core = 2;
rpt_accel = 2 + 2;
rpt_ir = 2 + 2 + 3;
break;
//(a1) 35 BB BB AA AA AA EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE
case WM_REPORT_CORE_ACCEL_EXT16 :
rpt_size = 2 + 2 + 3 + 16;
rpt_core = 2;
rpt_accel = 2 + 2;
rpt_ext = 2 + 2 + 3;
break;
//(a1) 37 BB BB AA AA AA II II II II II II II II II II EE EE EE EE EE EE
case WM_REPORT_CORE_ACCEL_IR10_EXT6 :
rpt_size = 2 + 2 + 3 + 10 + 6;
rpt_core = 2;
rpt_accel = 2 + 2;
rpt_ir = 2 + 2 + 3;
rpt_ext = 2 + 2 + 3 + 10;
break;
default :
//PanicAlert( "Unsupported Reporting Mode" );
return;
break;
}
// set up output report
u8* const rpt = new u8[rpt_size];
memset( rpt, 0, rpt_size );
rpt[0] = 0xA1;
rpt[1] = m_reporting_mode;
// core buttons - always 2
if (rpt_core)
*(wm_core*)(rpt + rpt_core) = m_status.buttons;
// accelerometer
if (rpt_accel)
{
// tilt
float x, y;
m_tilt->GetState( &x, &y, 0, (PI / 2) ); // 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
rpt[rpt_accel + 2] = u8(sin( (PI / 2) - std::max( abs(x), abs(y) ) ) * one_g[2] + zero_g[2]);
if (is_sideways)
{
rpt[rpt_accel + 0] = u8(sin(y) * -one_g[1] + zero_g[1]);
rpt[rpt_accel + 1] = u8(sin(x) * -one_g[0] + zero_g[0]);
}
else
{
rpt[rpt_accel + 0] = u8(sin(x) * -one_g[0] + zero_g[0]);
rpt[rpt_accel + 1] = u8(sin(y) * one_g[1] + zero_g[1]);
}
// shake
const unsigned int btns[] = { 0x01, 0x02, 0x04 };
unsigned int shake = 0;
m_shake->GetState( &shake, btns );
static unsigned int shake_step = 0;
if (shake)
{
shake_step = (shake_step + 1) % sizeof(shake_data);
for ( unsigned int i=0; i<3; ++i )
if ( shake & (1 << i) )
rpt[rpt_accel + i] = shake_data[shake_step];
}
else
shake_step = 0;
}
// TODO: IR
if (rpt_ir)
{
}
// extension
if (rpt_ext)
{
// temporary
m_extension->GetState(rpt + rpt_ext);
wiimote_encrypt(&m_ext_key, rpt + 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, rpt + rpt_ext, sizeof(wm_extension));
}
// send input report
m_wiimote_init->pWiimoteInput( m_index, m_reporting_channel, rpt, (u32)rpt_size );
delete[] rpt;
}
void Wiimote::ControlChannel(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;
m_wiimote_init->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(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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