USB_Host_Shield_2.0/Wii.h
2013-01-27 21:25:50 +01:00

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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
*/
#ifndef _wii_h_
#define _wii_h_
#include "BTD.h"
#include "controllerEnums.h"
//#define WIICAMERA //uncomment to enable IR camera
/* Bluetooth L2CAP states for L2CAP_task() */
#define L2CAP_WAIT 0
// These states are used if the Wiimote is the host
#define L2CAP_CONTROL_SUCCESS 1
#define L2CAP_INTERRUPT_SETUP 2
// These states are used if the Arduino is the host
#define L2CAP_CONTROL_CONNECT_REQUEST 3
#define L2CAP_CONTROL_CONFIG_REQUEST 4
#define L2CAP_INTERRUPT_CONNECT_REQUEST 5
#define L2CAP_INTERRUPT_CONFIG_REQUEST 6
#define L2CAP_CHECK_MOTION_PLUS_STATE 7
#define L2CAP_CHECK_EXTENSION_STATE 8
#define L2CAP_INIT_MOTION_PLUS_STATE 9
#define L2CAP_LED_STATE 10
#define L2CAP_DONE 11
#define L2CAP_INTERRUPT_DISCONNECT 12
#define L2CAP_CONTROL_DISCONNECT 13
/* L2CAP event flags */
#define L2CAP_FLAG_CONTROL_CONNECTED 0x001
#define L2CAP_FLAG_INTERRUPT_CONNECTED 0x002
#define L2CAP_FLAG_CONFIG_CONTROL_SUCCESS 0x004
#define L2CAP_FLAG_CONFIG_INTERRUPT_SUCCESS 0x008
#define L2CAP_FLAG_DISCONNECT_CONTROL_RESPONSE 0x040
#define L2CAP_FLAG_DISCONNECT_INTERRUPT_RESPONSE 0x080
#define L2CAP_FLAG_CONNECTION_CONTROL_REQUEST 0x100
#define L2CAP_FLAG_CONNECTION_INTERRUPT_REQUEST 0x200
/* Macros for L2CAP event flag tests */
#define l2cap_connected_control_flag (l2cap_event_flag & L2CAP_FLAG_CONTROL_CONNECTED)
#define l2cap_connected_interrupt_flag (l2cap_event_flag & L2CAP_FLAG_INTERRUPT_CONNECTED)
#define l2cap_config_success_control_flag (l2cap_event_flag & L2CAP_FLAG_CONFIG_CONTROL_SUCCESS)
#define l2cap_config_success_interrupt_flag (l2cap_event_flag & L2CAP_FLAG_CONFIG_INTERRUPT_SUCCESS)
#define l2cap_disconnect_response_control_flag (l2cap_event_flag & L2CAP_FLAG_DISCONNECT_CONTROL_RESPONSE)
#define l2cap_disconnect_response_interrupt_flag (l2cap_event_flag & L2CAP_FLAG_DISCONNECT_INTERRUPT_RESPONSE)
#define l2cap_connection_request_control_flag (l2cap_event_flag & L2CAP_FLAG_CONNECTION_CONTROL_REQUEST)
#define l2cap_connection_request_interrupt_flag (l2cap_event_flag & L2CAP_FLAG_CONNECTION_INTERRUPT_REQUEST)
/* Wii event flags */
#define WII_FLAG_MOTION_PLUS_CONNECTED 0x400
#define WII_FLAG_NUNCHUCK_CONNECTED 0x800
#define motion_plus_connected_flag (l2cap_event_flag & WII_FLAG_MOTION_PLUS_CONNECTED)
#define nunchuck_connected_flag (l2cap_event_flag & WII_FLAG_NUNCHUCK_CONNECTED)
#define PAIR 1
enum Hat {
HatX = 0,
HatY = 1,
};
class WII : public BluetoothService {
public:
WII(BTD *p, bool pair=false);
// BluetoothService implementation
virtual void ACLData(uint8_t* ACLData); // Used to pass acldata to the services
virtual void Run(); // Used to run part of the state maschine
virtual void Reset(); // Use this to reset the service
virtual void disconnect(); // Use this void to disconnect any of the controllers
/*
getButtonPress will return true as long as the button is held down
While getButtonClick will only return it once
So you instance if you need to increase a variable once you would use getButtonClick,
but if you need to drive a robot forward you would use getButtonPress
*/
bool getButtonPress(Button b); // This will read true as long as the button is held down
bool getButtonClick(Button b); // This will only be true when the button is clicked the first time
uint8_t getAnalogHat(Hat a); // Used to read the joystick of the Nunchuck
double getPitch() { return pitch; }; // Fusioned angle using a complimentary filter if the Motion Plus is connected
double getRoll() { return roll; }; // Fusioned angle using a complimentary filter if the Motion Plus is connected
double getYaw() { return gyroYaw; }; // This is the yaw calculated by the gyro
void setAllOff(); // Turn both rumble and all LEDs off
void setRumbleOff();
void setRumbleOn();
void setRumbleToggle();
void setLedOff(LED a);
void setLedOn(LED a);
void setLedToggle(LED a);
void setLedStatus(); // This will set the LEDs, so the user can see which connections are active
bool wiimoteConnected; // Variable used to indicate if a Wiimote is connected
bool nunchuckConnected; // Variable used to indicate if a Nunchuck controller is connected
bool motionPlusConnected; // Variable used to indicate if a Nunchuck controller is connected
/* IMU Data, might be usefull if you need to do something more advanced than just calculating the angle */
double wiiMotePitch; // Pitch and roll calculated from the accelerometer inside the Wiimote
double wiiMoteRoll;
double nunchuckPitch; // Pitch and roll calculated from the accelerometer inside the Nunchuck
double nunchuckRoll;
int16_t accX; // Accelerometer values used to calculate pitch and roll
int16_t accY;
int16_t accZ;
/* Variables for the gyro inside the Motion Plus */
double gyroPitch; // This is the pitch calculated by the gyro - use this to tune pitchGyroScale
double gyroRoll; // This is the roll calculated by the gyro - use this to tune rollGyroScale
double gyroYaw; // This is the yaw calculated by the gyro - use this to tune yawGyroScale
double pitchGyroSpeed; // The speed in deg/s from the gyro
double rollGyroSpeed;
double yawGyroSpeed;
uint16_t pitchGyroScale; // You might need to fine-tune these values
uint16_t rollGyroScale;
uint16_t yawGyroScale;
int16_t gyroYawRaw; // Raw value read directly from the Motion Plus
int16_t gyroRollRaw;
int16_t gyroPitchRaw;
int16_t gyroYawZero; // These values are set when the controller is first initialized
int16_t gyroRollZero;
int16_t gyroPitchZero;
uint8_t getBatteryLevel() { return batteryLevel; };
uint8_t getWiiState() { return wiiState; };
#ifdef WIICAMERA
/* These are functions for the IR camera */
void IRinitialize(); // Initialises the camera as per the steps from http://wiibrew.org/wiki/Wiimote#IR_Camera
uint16_t getIRx1() { return IR_object_x1; }; // IR object 1 x position (0-1023)
uint16_t getIRy1() { return IR_object_y1; }; // IR object 1 y position (0-767)
uint8_t getIRs1() { return IR_object_s1; }; // IR object 1 size (0-15)
uint16_t getIRx2() { return IR_object_x2; };
uint16_t getIRy2() { return IR_object_y2; };
uint8_t getIRs2() { return IR_object_s2; };
uint16_t getIRx3() { return IR_object_x3; };
uint16_t getIRy3() { return IR_object_y3; };
uint8_t getIRs3() { return IR_object_s3; };
uint16_t getIRx4() { return IR_object_x4; };
uint16_t getIRy4() { return IR_object_y4; };
uint8_t getIRs4() { return IR_object_s4; };
bool isIRCameraEnabled() { return (wiiState & 0x08); };
#endif
private:
/* Mandatory members */
BTD *pBtd;
void L2CAP_task(); // L2CAP state machine
/* Variables filled from HCI event management */
uint16_t hci_handle;
bool activeConnection; // Used to indicate if it's already has established a connection
/* variables used by high level L2CAP task */
uint8_t l2cap_state;
uint16_t l2cap_event_flag;// l2cap flags of received bluetooth events
uint32_t ButtonState;
uint32_t OldButtonState;
uint32_t ButtonClickState;
uint8_t hatValues[2];
uint8_t HIDBuffer[3];// Used to store HID commands
uint16_t stateCounter;
bool unknownExtensionConnected;
bool extensionConnected;
/* 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
uint8_t identifier; // Identifier for connection
/* HID Commands */
void HID_Command(uint8_t* data, uint8_t nbytes);
void setReportMode(bool continuous, uint8_t mode);
void statusRequest();
void writeData(uint32_t offset, uint8_t size, uint8_t* data);
void initExtension1();
void initExtension2();
void readData(uint32_t offset, uint16_t size, bool EEPROM);
void readExtensionType();
void readCalData();
void checkMotionPresent(); // Used to see if a Motion Plus is connected to the Wiimote
void initMotionPlus();
void activateMotionPlus();
double pitch; // Fusioned angle using a complimentary filter if the Motion Plus is connected
double roll; // 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
unsigned long 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 teh 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