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qmk-firmware/lib/usbhost/USB_Host_Shield_2.0/Wii.h

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/* Copyright (C) 2012 Kristian Lauszus, TKJ Electronics. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Kristian Lauszus, TKJ Electronics
Web : http://www.tkjelectronics.com
e-mail : kristianl@tkjelectronics.com
IR camera support added by Allan Glover (adglover9.81@gmail.com) and Kristian Lauszus
*/
#ifndef _wii_h_
#define _wii_h_
#include "BTD.h"
#include "controllerEnums.h"
/* Wii event flags */
#define WII_FLAG_MOTION_PLUS_CONNECTED (1 << 0)
#define WII_FLAG_NUNCHUCK_CONNECTED (1 << 1)
#define WII_FLAG_CALIBRATE_BALANCE_BOARD (1 << 2)
#define wii_check_flag(flag) (wii_event_flag & (flag))
#define wii_set_flag(flag) (wii_event_flag |= (flag))
#define wii_clear_flag(flag) (wii_event_flag &= ~(flag))
/** Enum used to read the joystick on the Nunchuck. */
enum HatEnum {
/** Read the x-axis on the Nunchuck joystick. */
HatX = 0,
/** Read the y-axis on the Nunchuck joystick. */
HatY = 1,
};
/** Enum used to read the weight on Wii Balance Board. */
enum BalanceBoardEnum {
TopRight = 0,
BotRight = 1,
TopLeft = 2,
BotLeft = 3,
};
/**
* This BluetoothService class implements support for the Wiimote including the Nunchuck and Motion Plus extension.
*
* It also support the Wii U Pro Controller.
*/
class WII : public BluetoothService {
public:
/**
* Constructor for the WII class.
* @param p Pointer to BTD class instance.
* @param pair Set this to true in order to pair with the Wiimote. If the argument is omitted then it won't pair with it.
* One can use ::PAIR to set it to true.
*/
WII(BTD *p, bool pair = false);
/** @name BluetoothService implementation */
/** Used this to disconnect any of the controllers. */
void disconnect();
/**@}*/
/** @name Wii Controller functions */
/**
* getButtonPress(Button b) will return true as long as the button is held down.
*
* While getButtonClick(Button b) will only return it once.
*
* So you instance if you need to increase a variable once you would use getButtonClick(Button b),
* but if you need to drive a robot forward you would use getButtonPress(Button b).
* @param b ::ButtonEnum to read.
* @return getButtonPress(ButtonEnum b) will return a true as long as a button is held down, while getButtonClick(ButtonEnum b) will return true once for each button press.
*/
bool getButtonPress(ButtonEnum b);
bool getButtonClick(ButtonEnum b);
/**@}*/
/** @name Wii Controller functions */
/** Call this to start the paring sequence with a controller */
void pair(void) {
if(pBtd)
pBtd->pairWithWiimote();
};
/**
* Used to read the joystick of the Nunchuck.
* @param a Either ::HatX or ::HatY.
* @return Return the analog value in the range from approximately 25-230.
*/
uint8_t getAnalogHat(HatEnum a);
/**
* Used to read the joystick of the Wii U Pro Controller.
* @param a Either ::LeftHatX, ::LeftHatY, ::RightHatX or ::RightHatY.
* @return Return the analog value in the range from approximately 800-3200.
*/
uint16_t getAnalogHat(AnalogHatEnum a);
/**
* Pitch calculated from the Wiimote. A complimentary filter is used if the Motion Plus is connected.
* @return Pitch in the range from 0-360.
*/
double getPitch() {
if(motionPlusConnected)
return compPitch;
return getWiimotePitch();
};
/**
* Roll calculated from the Wiimote. A complimentary filter is used if the Motion Plus is connected.
* @return Roll in the range from 0-360.
*/
double getRoll() {
if(motionPlusConnected)
return compRoll;
return getWiimoteRoll();
};
/**
* This is the yaw calculated by the gyro.
*
* <B>NOTE:</B> This angle will drift a lot and is only available if the Motion Plus extension is connected.
* @return The angle calculated using the gyro.
*/
double getYaw() {
return gyroYaw;
};
/** Used to set all LEDs and rumble off. */
void setAllOff();
/** Turn off rumble. */
void setRumbleOff();
/** Turn on rumble. */
void setRumbleOn();
/** Toggle rumble. */
void setRumbleToggle();
/**
* Set LED value without using the ::LEDEnum.
* @param value See: ::LEDEnum.
*/
void setLedRaw(uint8_t value);
/** Turn all LEDs off. */
void setLedOff() {
setLedRaw(0);
};
/**
* Turn the specific ::LEDEnum off.
* @param a The ::LEDEnum to turn off.
*/
void setLedOff(LEDEnum a);
/**
* Turn the specific ::LEDEnum on.
* @param a The ::LEDEnum to turn on.
*/
void setLedOn(LEDEnum a);
/**
* Toggle the specific ::LEDEnum.
* @param a The ::LEDEnum to toggle.
*/
void setLedToggle(LEDEnum a);
/**
* This will set the LEDs, so the user can see which connections are active.
*
* The first ::LEDEnum indicate that the Wiimote is connected,
* the second ::LEDEnum indicate indicate that a Motion Plus is also connected
* the third ::LEDEnum will indicate that a Nunchuck controller is also connected.
*/
void setLedStatus();
/**
* Return the battery level of the Wiimote.
* @return The battery level in the range 0-255.
*/
uint8_t getBatteryLevel();
/**
* Return the Wiimote state.
* @return See: http://wiibrew.org/wiki/Wiimote#0x20:_Status.
*/
uint8_t getWiiState() {
return wiiState;
};
/**@}*/
/**@{*/
/** Variable used to indicate if a Wiimote is connected. */
bool wiimoteConnected;
/** Variable used to indicate if a Nunchuck controller is connected. */
bool nunchuckConnected;
/** Variable used to indicate if a Nunchuck controller is connected. */
bool motionPlusConnected;
/** Variable used to indicate if a Wii U Pro controller is connected. */
bool wiiUProControllerConnected;
/** Variable used to indicate if a Wii Balance Board is connected. */
bool wiiBalanceBoardConnected;
/**@}*/
/* IMU Data, might be usefull if you need to do something more advanced than just calculating the angle */
/**@{*/
/** Pitch and roll calculated from the accelerometer inside the Wiimote. */
double getWiimotePitch() {
return (atan2(accYwiimote, accZwiimote) + PI) * RAD_TO_DEG;
};
double getWiimoteRoll() {
return (atan2(accXwiimote, accZwiimote) + PI) * RAD_TO_DEG;
};
/**@}*/
/**@{*/
/** Pitch and roll calculated from the accelerometer inside the Nunchuck. */
double getNunchuckPitch() {
return (atan2(accYnunchuck, accZnunchuck) + PI) * RAD_TO_DEG;
};
double getNunchuckRoll() {
return (atan2(accXnunchuck, accZnunchuck) + PI) * RAD_TO_DEG;
};
/**@}*/
/**@{*/
/** Accelerometer values used to calculate pitch and roll. */
int16_t accXwiimote, accYwiimote, accZwiimote;
int16_t accXnunchuck, accYnunchuck, accZnunchuck;
/**@}*/
/* Variables for the gyro inside the Motion Plus */
/** This is the pitch calculated by the gyro - use this to tune WII#pitchGyroScale. */
double gyroPitch;
/** This is the roll calculated by the gyro - use this to tune WII#rollGyroScale. */
double gyroRoll;
/** This is the yaw calculated by the gyro - use this to tune WII#yawGyroScale. */
double gyroYaw;
/**@{*/
/** The speed in deg/s from the gyro. */
double pitchGyroSpeed;
double rollGyroSpeed;
double yawGyroSpeed;
/**@}*/
/**@{*/
/** You might need to fine-tune these values. */
uint16_t pitchGyroScale;
uint16_t rollGyroScale;
uint16_t yawGyroScale;
/**@}*/
/**@{*/
/** Raw value read directly from the Motion Plus. */
int16_t gyroYawRaw;
int16_t gyroRollRaw;
int16_t gyroPitchRaw;
/**@}*/
/**@{*/
/** These values are set when the controller is first initialized. */
int16_t gyroYawZero;
int16_t gyroRollZero;
int16_t gyroPitchZero;
/**@}*/
/** @name Wii Balance Board functions */
/**
* Used to get the weight at the specific position on the Wii Balance Board.
* @param ::BalanceBoardEnum to read from.
* @return Returns the weight in kg.
*/
float getWeight(BalanceBoardEnum pos);
/**
* Used to get total weight on the Wii Balance Board.
* @returnReturns the weight in kg.
*/
float getTotalWeight();
/**
* Used to get the raw reading at the specific position on the Wii Balance Board.
* @param ::BalanceBoardEnum to read from.
* @return Returns the raw reading.
*/
uint16_t getWeightRaw(BalanceBoardEnum pos) {
return wiiBalanceBoardRaw[pos];
};
/**@}*/
#ifdef WIICAMERA
/** @name Wiimote IR camera functions
* You will have to set ::ENABLE_WII_IR_CAMERA in settings.h to 1 in order use the IR camera.
*/
/** Initialises the camera as per the steps from: http://wiibrew.org/wiki/Wiimote#IR_Camera */
void IRinitialize();
/**
* IR object 1 x-position read from the Wii IR camera.
* @return The x-position of the object in the range 0-1023.
*/
uint16_t getIRx1() {
return IR_object_x1;
};
/**
* IR object 1 y-position read from the Wii IR camera.
* @return The y-position of the object in the range 0-767.
*/
uint16_t getIRy1() {
return IR_object_y1;
};
/**
* IR object 1 size read from the Wii IR camera.
* @return The size of the object in the range 0-15.
*/
uint8_t getIRs1() {
return IR_object_s1;
};
/**
* IR object 2 x-position read from the Wii IR camera.
* @return The x-position of the object in the range 0-1023.
*/
uint16_t getIRx2() {
return IR_object_x2;
};
/**
* IR object 2 y-position read from the Wii IR camera.
* @return The y-position of the object in the range 0-767.
*/
uint16_t getIRy2() {
return IR_object_y2;
};
/**
* IR object 2 size read from the Wii IR camera.
* @return The size of the object in the range 0-15.
*/
uint8_t getIRs2() {
return IR_object_s2;
};
/**
* IR object 3 x-position read from the Wii IR camera.
* @return The x-position of the object in the range 0-1023.
*/
uint16_t getIRx3() {
return IR_object_x3;
};
/**
* IR object 3 y-position read from the Wii IR camera.
* @return The y-position of the object in the range 0-767.
*/
uint16_t getIRy3() {
return IR_object_y3;
};
/**
* IR object 3 size read from the Wii IR camera.
* @return The size of the object in the range 0-15.
*/
uint8_t getIRs3() {
return IR_object_s3;
};
/**
* IR object 4 x-position read from the Wii IR camera.
* @return The x-position of the object in the range 0-1023.
*/
uint16_t getIRx4() {
return IR_object_x4;
};
/**
* IR object 4 y-position read from the Wii IR camera.
* @return The y-position of the object in the range 0-767.
*/
uint16_t getIRy4() {
return IR_object_y4;
};
/**
* IR object 4 size read from the Wii IR camera.
* @return The size of the object in the range 0-15.
*/
uint8_t getIRs4() {
return IR_object_s4;
};
/**
* Use this to check if the camera is enabled or not.
* If not call WII#IRinitialize to initialize the IR camera.
* @return True if it's enabled, false if not.
*/
bool isIRCameraEnabled() {
return (wiiState & 0x08);
};
/**@}*/
#endif
protected:
/** @name BluetoothService implementation */
/**
* Used to pass acldata to the services.
* @param ACLData Incoming acldata.
*/
void ACLData(uint8_t* ACLData);
/** Used to run part of the state machine. */
void Run();
/** Use this to reset the service. */
void Reset();
/**
* Called when the controller is successfully initialized.
* Use attachOnInit(void (*funcOnInit)(void)) to call your own function.
* This is useful for instance if you want to set the LEDs in a specific way.
*/
void onInit();
/**@}*/
private:
void L2CAP_task(); // L2CAP state machine
/* Variables filled from HCI event management */
bool activeConnection; // Used to indicate if it's already has established a connection
/* Variables used by high level L2CAP task */
uint8_t l2cap_state;
uint8_t wii_event_flag; // Used for Wii flags
uint32_t ButtonState;
uint32_t OldButtonState;
uint32_t ButtonClickState;
uint16_t hatValues[4];
uint8_t HIDBuffer[3]; // Used to store HID commands
uint16_t stateCounter;
bool unknownExtensionConnected;
bool extensionConnected;
bool checkBatteryLevel; // Set to true when getBatteryLevel() is called otherwise if should be false
bool motionPlusInside; // True if it's a new Wiimote with the Motion Plus extension build into it
/* L2CAP Channels */
uint8_t control_scid[2]; // L2CAP source CID for HID_Control
uint8_t control_dcid[2]; // 0x0060
uint8_t interrupt_scid[2]; // L2CAP source CID for HID_Interrupt
uint8_t interrupt_dcid[2]; // 0x0061
/* HID Commands */
void HID_Command(uint8_t* data, uint8_t nbytes);
void setReportMode(bool continuous, uint8_t mode);
void writeData(uint32_t offset, uint8_t size, uint8_t* data);
void initExtension1();
void initExtension2();
void statusRequest(); // Used to update the Wiimote state and battery level
void readData(uint32_t offset, uint16_t size, bool EEPROM);
void readExtensionType();
void readCalData();
void readWiiBalanceBoardCalibration(); // Used by the library to read the Wii Balance Board calibration values
void checkMotionPresent(); // Used to see if a Motion Plus is connected to the Wiimote
void initMotionPlus();
void activateMotionPlus();
uint16_t wiiBalanceBoardRaw[4]; // Wii Balance Board raw values
uint16_t wiiBalanceBoardCal[3][4]; // Wii Balance Board calibration values
double compPitch; // Fusioned angle using a complimentary filter if the Motion Plus is connected
double compRoll; // Fusioned angle using a complimentary filter if the Motion Plus is connected
bool activateNunchuck;
bool motionValuesReset; // This bool is true when the gyro values has been reset
uint32_t timer;
uint8_t wiiState; // Stores the value in l2capinbuf[12] - (0x01: Battery is nearly empty), (0x02: An Extension Controller is connected), (0x04: Speaker enabled), (0x08: IR enabled), (0x10: LED1, 0x20: LED2, 0x40: LED3, 0x80: LED4)
uint8_t batteryLevel;
#ifdef WIICAMERA
/* Private function and variables for the readings from the IR Camera */
void enableIRCamera1(); // Sets bit 2 of output report 13
void enableIRCamera2(); // Sets bit 2 of output report 1A
void writeSensitivityBlock1();
void writeSensitivityBlock2();
void write0x08Value();
void setWiiModeNumber(uint8_t mode_number);
uint16_t IR_object_x1; // IR x position 10 bits
uint16_t IR_object_y1; // IR y position 10 bits
uint8_t IR_object_s1; // IR size value
uint16_t IR_object_x2;
uint16_t IR_object_y2;
uint8_t IR_object_s2;
uint16_t IR_object_x3; // IR x position 10 bits
uint16_t IR_object_y3; // IR y position 10 bits
uint8_t IR_object_s3; // IR size value
uint16_t IR_object_x4;
uint16_t IR_object_y4;
uint8_t IR_object_s4;
#endif
};
#endif
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