Added support for the Nunchuck controller

Wii.cpp

@@ -18,7 +18,7 @@
 #include "Wii.h"
 #define DEBUG // Uncomment to print data for debugging
 //#define EXTRADEBUG // Uncomment to get even more debugging data
-//#define PRINTREPORT // Uncomment to print the report send by the Wiimote
+//#define PRINTREPORT // Uncomment to print the report send by the Wii controllers
 
 WII::WII(BTD *p, uint8_t btadr5, uint8_t btadr4, uint8_t btadr3, uint8_t btadr2, uint8_t btadr1, uint8_t btadr0):
 pBtd(p) // pointer to USB class instance - mandatory
@@ -44,7 +44,8 @@ pBtd(p) // pointer to USB class instance - mandatory
     Reset();
 }
 void WII::Reset() {
-    connected = false;
+    wiimoteConnected = false;
+    nunchuckConnected = false;
     l2cap_event_flag = 0; // Reset flags
     l2cap_state = L2CAP_WAIT;
 }
@@ -122,7 +123,8 @@ void WII::ACLData(uint8_t* l2capinbuf) {
 #ifdef DEBUG
                     Notify(PSTR("\r\nDisconnect Request: Control Channel"));
 #endif
-                    connected = false;
+                    wiimoteConnected = false;
+                    nunchuckConnected = false;
                     identifier = l2capinbuf[9];
                     pBtd->l2cap_disconnection_response(hci_handle,identifier,control_dcid,control_scid);                    
                     Reset();
@@ -131,7 +133,8 @@ void WII::ACLData(uint8_t* l2capinbuf) {
 #ifdef DEBUG
                     Notify(PSTR("\r\nDisconnect Request: Interrupt Channel"));
 #endif
-                    connected = false;
+                    wiimoteConnected = false;
+                    nunchuckConnected = false;
                     identifier = l2capinbuf[9];
                     pBtd->l2cap_disconnection_response(hci_handle,identifier,interrupt_dcid,interrupt_scid);                    
                     Reset();
@@ -158,38 +161,26 @@ void WII::ACLData(uint8_t* l2capinbuf) {
 #endif
         } else if (l2capinbuf[6] == interrupt_dcid[0] && l2capinbuf[7] == interrupt_dcid[1]) { // l2cap_interrupt
             //Serial.print("\r\nL2CAP Interrupt");
-            if(connected) {
+            if(wiimoteConnected) {
-                /* Read Report */
                 if(l2capinbuf[8] == 0xA1) { // HID_THDR_DATA_INPUT
                     if(l2capinbuf[9] >= 0x30 && l2capinbuf[9] <= 0x37) { // These reports include the buttons
-                        ButtonState = (uint16_t)((l2capinbuf[10] & 0x1F) | ((uint16_t)(l2capinbuf[11] & 0x9F) << 8));
+                        if(nunchuckConnected)
-                        ButtonClickState = ButtonState; // Update click state variable                        
+                            ButtonState = (uint32_t)((l2capinbuf[10] & 0x1F) | ((uint16_t)(l2capinbuf[11] & 0x9F) << 8) | ((uint32_t)(l2capinbuf[20] & 0x03) << 16));
+                        else
+                            ButtonState = (uint32_t)((l2capinbuf[10] & 0x1F) | ((uint16_t)(l2capinbuf[11] & 0x9F) << 8));
 #ifdef PRINTREPORT
                         Notify(PSTR("ButtonState: "));
-                        PrintHex<uint16_t>(ButtonState);
+                        PrintHex<uint32_t>(ButtonState);
                         Notify(PSTR("\r\n"));
 #endif
-                        if(ButtonState != OldButtonState) {
+                        if(ButtonState != OldButtonState)
-                            buttonChanged = true;
+                            ButtonClickState = ButtonState; // Update click state variable
-                            if(ButtonState != 0x0000) {
-                                buttonPressed = true;
-                                buttonReleased = false;
-                            } else {
-                                buttonPressed = false;
-                                buttonReleased = true;
-                            }
-                        }
-                        else {
-                            buttonChanged = false;
-                            buttonPressed = false;
-                            buttonReleased = false;
-                        }
                         OldButtonState = ButtonState;
                     }
                     if(l2capinbuf[9] == 0x31 || l2capinbuf[9] == 0x35) { // Read the accelerometer
-                        int16_t accX = ((l2capinbuf[12] << 2) | (l2capinbuf[10] & 0x60 >> 5))-500;
+                        accX = ((l2capinbuf[12] << 2) | (l2capinbuf[10] & 0x60 >> 5))-500;
-                        int16_t accY = ((l2capinbuf[13] << 2) | (l2capinbuf[11] & 0x20 >> 4))-500;
+                        accY = ((l2capinbuf[13] << 2) | (l2capinbuf[11] & 0x20 >> 4))-500;
-                        int16_t accZ = ((l2capinbuf[14] << 2) | (l2capinbuf[11] & 0x40 >> 5))-500;
+                        accZ = ((l2capinbuf[14] << 2) | (l2capinbuf[11] & 0x40 >> 5))-500;
                         /*
                         Notify(PSTR("\r\naccX: "));
                         Serial.print(accX);
@@ -200,20 +191,60 @@ void WII::ACLData(uint8_t* l2capinbuf) {
                         */                        
                         pitch = (atan2(accY,accZ)+PI)*RAD_TO_DEG;
                         roll = (atan2(accX,accZ)+PI)*RAD_TO_DEG;
-                        /*
-                        Notify(PSTR("\r\nPitch: "));
-                        Serial.print(pitch);
-                        Notify(PSTR("\tRoll: "));
-                        Serial.print(roll);
-                        */ 
                     }
                     switch (l2capinbuf[9]) {
                         case 0x20: // Status Information
                             // (a1) 20 BB BB LF 00 00 VV
-                            if(l2capinbuf[12] & 0x02) // Check if a extension is connected
+                            if(l2capinbuf[12] & 0x02) { // Check if a extension is connected
+#ifdef DEBUG
+                                Notify(PSTR("\r\nExtension connected"));
+#endif
                                 setReportMode(false,0x35); // Also read the extension                                
-                            else
+                                activateState = 1;
+                            }
+                            else {
+#ifdef DEBUG
+                                Notify(PSTR("\r\nExtension disconnected"));
+#endif
+                                nunchuckConnected = false;
                                 setReportMode(false,0x31); // If there is no extension connected we will read the button and accelerometer
+                            }
+                            break;
+                        case 0x21: // Read Memory Data
+                            if((l2capinbuf[12] & 0x0F) == 0) { // No error
+#ifdef EXTRADEBUG
+                                Notify(PSTR("\r\nGot report: "));
+                                PrintHex<uint8_t>(l2capinbuf[13]);
+                                PrintHex<uint8_t>(l2capinbuf[14]);
+                                Notify(PSTR("\r\nData: "));
+                                for(uint8_t i = 0; i < ((l2capinbuf[12] >> 4)+1); i++) // bit 4-7 is the length-1
+                                    PrintHex<uint8_t>(l2capinbuf[15+i]);
+#endif
+                                if(l2capinbuf[15] == 0x00 && l2capinbuf[16] == 0x00 && l2capinbuf[17] == 0xA4 && l2capinbuf[18] == 0x20 && l2capinbuf[19] == 0x00 && l2capinbuf[20] == 0x00) { // See // http://wiibrew.org/wiki/Wiimote/Extension_Controllers
+#ifdef DEBUG
+                                   Notify(PSTR("\r\nNunchuck connected"));
+#endif
+                                    nunchuckConnected = true;
+                                    ButtonState |= (Z | C); // Since the Nunchuck button are cleared when pressed we set the buttonstates like so
+                                    ButtonClickState |= (Z | C);                                    
+                                }
+                            }
+#ifdef DEBUG
+                            else {
+                                Notify(PSTR("\r\nReport Error: "));
+                                PrintHex<uint8_t>(l2capinbuf[13]);
+                                PrintHex<uint8_t>(l2capinbuf[14]);
+                            }
+#endif                            
+                            break;
+                        case 0x22: // Acknowledge output report, return function result
+#ifdef DEBUG
+                            if(l2capinbuf[13] != 0x00) { // Check if there is an error
+                                Notify(PSTR("\r\nCommand failed: "));
+                                PrintHex<uint8_t>(l2capinbuf[12]);
+                            } else if(l2capinbuf[12] == 0x16 && activateState > 20)
+                                Notify(PSTR("\r\nExtension activated"));
+#endif                                      
                             break;
                         case 0x30: // Core buttons
                             // (a1) 30 BB BB
@@ -223,33 +254,40 @@ void WII::ACLData(uint8_t* l2capinbuf) {
                             break;
                         case 0x32: // Core Buttons with 8 Extension bytes
                             // (a1) 32 BB BB EE EE EE EE EE EE EE EE                             
-                            /*
-                            Notify(PSTR("\r\n"));
-                            for (uint8_t i = 0; i < 8; i++) {
-                                Serial.print(l2capinbuf[12+i]);
-                                Notify(PSTR(" "));
-                            }                     
-                            */                             
                             break;
                         case 0x34: // Core Buttons with 19 Extension bytes
                             // (a1) 34 BB BB EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE
-                            /*
-                            Notify(PSTR("\r\n"));
-                            for (uint8_t i = 0; i < 19; i++) {
-                                Serial.print(l2capinbuf[12+i]);
-                                Notify(PSTR(" "));
-                            }
-                            */ 
                             break;
                         case 0x35: // Core Buttons and Accelerometer with 16 Extension Bytes
                             // (a1) 35 BB BB AA AA AA EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE
+                            if(activateState == 10) {
+                                activateExtension1();
+                                activateState = 11;
+                            } else if(activateState == 20) {
+                                activateExtension2();
+                                activateState = 21;                                
+                            } else if(activateState == 30) {
+                                readExtensionType();
+                                activateState = 31;
+                            } else if(activateState < 31)
+                                activateState++; // We make this counter as there has to be a short delay between the commands
+
+                            hatValues[0] = l2capinbuf[15];
+                            hatValues[1] = l2capinbuf[16];
+
+                            accX = ((l2capinbuf[17] << 2) | (l2capinbuf[20] & 0x0C >> 2))-416;
+                            accY = ((l2capinbuf[18] << 2) | (l2capinbuf[20] & 0x30 >> 4))-416;
+                            accZ = ((l2capinbuf[19] << 2) | (l2capinbuf[20] & 0xC0 >> 6))-416;
                             /*
-                            Notify(PSTR("\r\n"));
+                            Notify(PSTR("\r\naccX: "));
-                            for (uint8_t i = 0; i < 16; i++) {
+                            Serial.print(accX);
-                                Serial.print(l2capinbuf[15+i]);
+                            Notify(PSTR("\taccY: "));
-                                Notify(PSTR(" "));
+                            Serial.print(accY);
-                            }
+                            Notify(PSTR("\taccZ: "));
+                            Serial.print(accZ);
                             */     
+                            nunchuckPitch = (atan2(accY,accZ)+PI)*RAD_TO_DEG;
+                            nunchuckRoll = (atan2(accX,accZ)+PI)*RAD_TO_DEG;
                             break;
 #ifdef DEBUG
                         default:
@@ -311,7 +349,7 @@ void WII::L2CAP_task() {
             break;
             
         case L2CAP_WII_STATUS_STATE:                        
-            connected = true;
+            wiimoteConnected = true;
             pBtd->connectToWii = false;
             ButtonState = 0;
             OldButtonState = 0;
@@ -376,21 +414,25 @@ void WII::HID_Command(uint8_t* data, uint8_t nbytes) {
 void WII::setAllOff() {
     HIDBuffer[1] = 0x11;
     HIDBuffer[2] = 0x00;
+    rumbleBit = 0x00;
     HID_Command(HIDBuffer, 3);
 }
 void WII::setRumbleOff() {
     HIDBuffer[1] = 0x11;
     HIDBuffer[2] &= ~0x01; // Bit 0 control the rumble
+    rumbleBit = 0x00;
     HID_Command(HIDBuffer, 3);    
 }
 void WII::setRumbleOn() {
     HIDBuffer[1] = 0x11;
     HIDBuffer[2] |= 0x01; // Bit 0 control the rumble
+    rumbleBit = 0x01;
     HID_Command(HIDBuffer, 3);
 }
 void WII::setRumbleToggle() {
     HIDBuffer[1] = 0x11;
     HIDBuffer[2] ^= 0x01; // Bit 0 control the rumble
+    rumbleBit ^= rumbleBit;
     HID_Command(HIDBuffer, 3);
 }
 void WII::setLedOff(LED a) {
@@ -413,9 +455,9 @@ void WII::setReportMode(bool continuous, uint8_t mode) {
     cmd_buf[0] = 0xA2; // HID BT DATA_request (0x50) | Report Type (Output 0x02)
     cmd_buf[1] = 0x12;
     if(continuous)
-        cmd_buf[2] = 0x04;
+        cmd_buf[2] = 0x04 | rumbleBit;
     else
-        cmd_buf[2] = 0x00;
+        cmd_buf[2] = 0x00 | rumbleBit;
     cmd_buf[3] = mode;
     HID_Command(cmd_buf, 4);
 }
@@ -423,22 +465,90 @@ void WII::statusRequest() {
     uint8_t cmd_buf[3];
     cmd_buf[0] = 0xA2; // HID BT DATA_request (0x50) | Report Type (Output 0x02)
     cmd_buf[1] = 0x15;
-    cmd_buf[2] = 0x00;
+    cmd_buf[2] = rumbleBit;
     HID_Command(cmd_buf, 3);
 }
 
+/************************************************************/
+/*                    Memmory Commands                      */
+/************************************************************/
+void WII::writeData(uint32_t offset, uint8_t size, uint8_t* data) {
+    uint8_t cmd_buf[23];
+    cmd_buf[0] = 0xA2; // HID BT DATA_request (0x50) | Report Type (Output 0x02)
+    cmd_buf[1] = 0x16; // Write data
+    cmd_buf[2] = 0x04 | rumbleBit; // Write to memory, clear bit 2 to write to EEPROM
+    cmd_buf[3] = (uint8_t)((offset & 0xFF0000) >> 16);
+    cmd_buf[4] = (uint8_t)((offset & 0xFF00) >> 8);
+    cmd_buf[5] = (uint8_t)(offset & 0xFF);
+    cmd_buf[6] = size;
+    uint8_t i = 0;
+    for(; i < size; i++)
+        cmd_buf[7+i] = data[i];
+    for(; i < 16; i++) // Set the rest to zero
+        cmd_buf[7+i] = 0x00;
+    HID_Command(cmd_buf,23);
+}
+void WII::activateExtension1() {
+    uint8_t buf[1];
+    buf[0] = 0x55;
+    writeData(0xA400F0,1,buf);
+}
+void WII::activateExtension2() {
+    uint8_t buf[1];
+    buf[0] = 0x00;
+    writeData(0xA400FB,1,buf);
+}
+void WII::readData(uint32_t offset, uint16_t size, bool EEPROM) {
+    uint8_t cmd_buf[8];
+    cmd_buf[0] = 0xA2; // HID BT DATA_request (0x50) | Report Type (Output 0x02)
+    cmd_buf[1] = 0x17; // Read data
+    if(EEPROM)
+        cmd_buf[2] = 0x00 | rumbleBit; // Read from EEPROM
+    else
+        cmd_buf[2] = 0x04 | rumbleBit; // Read from memory    
+    cmd_buf[3] = (uint8_t)((offset & 0xFF0000) >> 16);
+    cmd_buf[4] = (uint8_t)((offset & 0xFF00) >> 8);
+    cmd_buf[5] = (uint8_t)(offset & 0xFF);
+    cmd_buf[6] = (uint8_t)((size & 0xFF00) >> 8);
+    cmd_buf[7] = (uint8_t)(size & 0xFF);
+    
+    HID_Command(cmd_buf,8);
+}
+void WII::readExtensionType() {
+    readData(0xA400FA,6,false);
+}
+void WII::readCalData() {
+    readData(0x0016,8,true);
+}
+
 /************************************************************/
 /*                    WII Commands                          */
 /************************************************************/
 
-bool WII::getButtonPress(Button b) {    
+bool WII::getButtonPress(Button b) { // Return true when a button is pressed
-    if(ButtonState & (uint16_t)b)
+    bool press = (ButtonState & (uint32_t)b);    
-        return true;
+    if(b == Z || b == C)
+        return !press; // The nunchuck buttons are cleared when pressed
     else
-        return false;
+        return press;
 }
-bool WII::getButtonClick(Button b) {
+bool WII::getButtonClick(Button b) { // Only return true when a button is clicked
-    bool click = ((ButtonClickState & (uint16_t)b) != 0);
+    bool click = (ButtonClickState & (uint32_t)b);
-    ButtonClickState &= ~((uint16_t)b);  // clear "click" event
+    if(b == Z || b == C) {
+        click = !click; // The nunchuck buttons are cleared when pressed
+        ButtonClickState |= (uint32_t)b;  // clear "click" event
+    } else
+        ButtonClickState &= ~((uint32_t)b);  // clear "click" event
     return click;
 }
+uint8_t WII::getAnalogHat(AnalogHat a) {
+    if(!nunchuckConnected)
+        return 127; // Center position
+    else {
+        uint8_t output = hatValues[(uint8_t)a];
+        if(output == 0xFF) // The joystick will only read 255 when the cable is unplugged, so we will just return the center position
+            return 127;
+        else
+            return output;
+    }
+}

Wii.h

@@ -63,18 +63,25 @@ enum LED {
 };
 
 enum Button {
-    LEFT  = 0x0001,
+    LEFT  = 0x00001,
-    RIGHT = 0x0002,
+    RIGHT = 0x00002,
-    DOWN  = 0x0004,
+    DOWN  = 0x00004,
-    UP    = 0x0008,
+    UP    = 0x00008,
-    PLUS  = 0x0010,
+    PLUS  = 0x00010,
     
-    TWO   = 0x0100,
+    TWO   = 0x00100,
-    ONE   = 0x0200,
+    ONE   = 0x00200,
-    B     = 0x0400,
+    B     = 0x00400,
-    A     = 0x0800,    
+    A     = 0x00800,
-    MINUS = 0x1000,
+    MINUS = 0x01000,
-    HOME  = 0x8000,
+    HOME  = 0x08000,
+    
+    Z     = 0x10000,
+    C     = 0x20000,
+};
+enum AnalogHat {
+    HatX = 0,
+    HatY = 1,
 };
 
 class WII : public BluetoothService {
@@ -89,6 +96,7 @@ public:
                 
     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(AnalogHat a); // Used to read the joystick of the Nunchuck
 /*
     TODO: Enable support for Motion Plus
     int16_t getSensor(Sensor a);
@@ -96,6 +104,8 @@ public:
 */
     double getPitch() { return pitch; };
     double getRoll() { return roll; };
+    double getNunchuckPitch() { return nunchuckPitch; };
+    double getNunchuckRoll() { return nunchuckRoll; };
     
     void setAllOff(); // Turn both rumble and all LEDs off
     void setRumbleOff();
@@ -104,13 +114,9 @@ public:
     void setLedOff(LED a);
     void setLedOn(LED a);
     void setLedToggle(LED a);
-    void setReportMode(bool continuous, uint8_t mode);
-    void statusRequest();
     
-    bool connected;// Variable used to indicate if a Wiimote is connected
+    bool wiimoteConnected; // Variable used to indicate if a Wiimote is connected
-    bool buttonChanged;//Indicate if a button has been changed
+    bool nunchuckConnected; // Variable used to indicate if a Nunchuck controller is connected
-    bool buttonPressed;//Indicate if a button has been pressed
-    bool buttonReleased;//Indicate if a button has been released
     
 private:
     /* Mandatory members */
@@ -125,9 +131,10 @@ private:
     uint8_t l2cap_state;
     uint16_t l2cap_event_flag;// l2cap flags of received bluetooth events    
     
-    uint16_t ButtonState;
+    uint32_t ButtonState;
-    uint16_t OldButtonState;
+    uint32_t OldButtonState;
-    uint16_t ButtonClickState;
+    uint32_t ButtonClickState;
+    uint8_t hatValues[2];
     
     uint8_t HIDBuffer[3];// Used to store HID commands
     
@@ -140,8 +147,27 @@ private:
     
     /* 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 activateExtension1();
+    void activateExtension2();
+    
+    void readData(uint32_t offset, uint16_t size, bool EEPROM);
+    void readExtensionType();
+    void readCalData();
+    
+    uint8_t activateState;
+    uint8_t rumbleBit;
     
     double pitch;
     double roll;
+    double nunchuckPitch;
+    double nunchuckRoll;
+    
+    int16_t accX; // Accelerometer values used to calculate pitch and roll
+    int16_t accY;
+    int16_t accZ;
 };
 #endif

examples/Bluetooth/Wii/Wii.ino

@@ -0,0 +1,101 @@
+/*
+ Example sketch for the Wiimote Bluetooth library - developed by Kristian Lauszus
+ For more information visit my blog: http://blog.tkjelectronics.dk/ or 
+ send me an e-mail:  kristianl@tkjelectronics.com
+ */
+
+#include <Wii.h>
+USB Usb;
+BTD Btd(&Usb); // You have to create the Bluetooth Dongle instance like so
+/* You can create the instance of the class in two ways */
+WII Wii(&Btd); // This will start inquiry which will connect to any Wiimote
+//WII Wii(&Btd,0x00,0x26,0x59,0x48,0xFF,0xFB); // This will connect to the Wiimote with that specific Bluetooth Address
+
+bool printAngle;
+
+void setup() {
+  Serial.begin(115200);
+  if (Usb.Init() == -1) {
+    Serial.print(F("\r\nOSC did not start"));
+    while(1); //halt
+  }
+  Serial.print(F("\r\nWiimote Bluetooth Library Started"));
+}
+void loop() {
+  Usb.Task();
+  if(Wii.wiimoteConnected) {
+    if(Wii.getButtonClick(HOME)) { // You can use getButtonPress to see if the button is held down
+      Serial.print(F("\r\nHOME"));
+      Wii.disconnect(); // If you disconnect you have to reset the Arduino to establish the connection again
+    } 
+    else {
+      if(Wii.getButtonClick(LEFT)) {
+        Wii.setAllOff();
+        Wii.setLedOn(LED1);
+        Serial.print(F("\r\nLeft"));
+      }
+      if(Wii.getButtonClick(RIGHT)) {
+        Wii.setAllOff();
+        Wii.setLedOn(LED3);
+        Serial.print(F("\r\nRight"));
+      }
+      if(Wii.getButtonClick(DOWN)) {
+        Wii.setAllOff();
+        Wii.setLedOn(LED4);
+        Serial.print(F("\r\nDown"));
+      }      
+      if(Wii.getButtonClick(UP)) {
+        Wii.setAllOff();
+        Wii.setLedOn(LED2);          
+        Serial.print(F("\r\nUp"));
+      }
+
+      if(Wii.getButtonClick(PLUS)) {
+        Serial.print(F("\r\nPlus"));
+      }      
+      if(Wii.getButtonClick(MINUS)) {
+        Serial.print(F("\r\nMinus"));
+      }
+
+      if(Wii.getButtonClick(ONE)) {
+        Serial.print(F("\r\nOne"));
+      }      
+      if(Wii.getButtonClick(TWO)) {
+        Serial.print(F("\r\nTwo"));
+      }
+
+      if(Wii.getButtonClick(A)) {
+        printAngle = !printAngle;
+        Serial.print(F("\r\nA"));
+      }      
+      if(Wii.getButtonClick(B)) {
+        Wii.setRumbleToggle();
+        Serial.print(F("\r\nB"));
+      }
+    }
+    if(printAngle) {
+      Serial.print(F("\r\nPitch: "));
+      Serial.print(Wii.getPitch());
+      Serial.print(F("\tRoll: "));
+      Serial.print(Wii.getRoll());
+      if(Wii.nunchuckConnected) {
+        Serial.print(F("\tNunchuck Pitch: "));
+        Serial.print(Wii.getNunchuckPitch());
+        Serial.print(F("\tNunchuck Roll: "));
+        Serial.print(Wii.getNunchuckRoll());        
+      }
+    }
+  }
+  if(Wii.nunchuckConnected) {
+    if(Wii.getButtonClick(Z))
+      Serial.print(F("\r\nZ"));
+    if(Wii.getButtonClick(C))
+      Serial.print(F("\r\nC"));
+    if(Wii.getAnalogHat(HatX) > 137 ||  Wii.getAnalogHat(HatX) < 117 || Wii.getAnalogHat(HatY) > 137 || Wii.getAnalogHat(HatY) < 117) {
+      Serial.print(F("\r\nHatX: "));
+      Serial.print(Wii.getAnalogHat(HatX));
+      Serial.print(F("\tHatY: "));
+      Serial.print(Wii.getAnalogHat(HatY));
+    }
+  }
+}

examples/Bluetooth/Wiimote/Wiimote.ino

@@ -1,86 +0,0 @@
-/*
- Example sketch for the Wiimote Bluetooth library - developed by Kristian Lauszus
- For more information visit my blog: http://blog.tkjelectronics.dk/ or 
- send me an e-mail:  kristianl@tkjelectronics.com
- */
-
-#include <Wii.h>
-USB Usb;
-BTD Btd(&Usb); // You have to create the Bluetooth Dongle instance like so
-/* You can create the instance of the class in two ways */
-WII Wii(&Btd); // This will start inquiry which will connect to any Wiimote
-//WII Wii(&Btd,0x00,0x26,0x59,0x48,0xFF,0xFB); // This will connect to the Wiimote with that specific Bluetooth Address
-
-bool printAngle;
-
-void setup() {
-  Serial.begin(115200);
-  if (Usb.Init() == -1) {
-    Serial.print(F("\r\nOSC did not start"));
-    while(1); //halt
-  }
-  Serial.print(F("\r\nWiimote Bluetooth Library Started"));
-}
-void loop() {
-  Usb.Task();
-  if(Wii.connected) {
-    if(Wii.buttonPressed) {
-      if(Wii.getButtonClick(HOME)) { // You can use getButtonPress to see if the button is held down
-        Serial.print(F("\r\nHOME"));
-        Wii.disconnect(); // If you disconnect you have to reset the Arduino to establish the connection again
-      } 
-      else {
-        if(Wii.getButtonClick(LEFT)) {
-          Wii.setAllOff();
-          Wii.setLedOn(LED1);
-          Serial.print(F("\r\nLeft"));
-        }
-        if(Wii.getButtonClick(RIGHT)) {
-          Wii.setAllOff();
-          Wii.setLedOn(LED3);
-          Serial.print(F("\r\nRight"));
-        }
-        if(Wii.getButtonClick(DOWN)) {
-          Wii.setAllOff();
-          Wii.setLedOn(LED4);
-          Serial.print(F("\r\nDown"));
-        }      
-        if(Wii.getButtonClick(UP)) {
-          Wii.setAllOff();
-          Wii.setLedOn(LED2);          
-          Serial.print(F("\r\nUp"));
-        }
-        
-        if(Wii.getButtonClick(PLUS)) {
-          Serial.print(F("\r\nPlus"));
-        }      
-        if(Wii.getButtonClick(MINUS)) {
-          Serial.print(F("\r\nMinus"));
-        }
-        
-        if(Wii.getButtonClick(ONE)) {
-          Serial.print(F("\r\nOne"));
-        }      
-        if(Wii.getButtonClick(TWO)) {
-          Serial.print(F("\r\nTwo"));
-        }
-        
-        if(Wii.getButtonClick(A)) {
-          printAngle = !printAngle;
-          Serial.print(F("\r\nA"));
-        }      
-        if(Wii.getButtonClick(B)) {
-          Wii.setRumbleToggle();
-          Serial.print(F("\r\nB"));
-        }
-      }
-    }
-    if(printAngle) {
-      Serial.print(F("\r\nPitch: "));
-      Serial.print(Wii.getPitch());
-      Serial.print(F("\tRoll: "));
-      Serial.print(Wii.getRoll());
-    }
-  }
-}
-

keywords.txt

@@ -217,8 +217,12 @@ WII					KEYWORD1
 # Methods and Functions (KEYWORD2)
 ####################################################
 
+wiimoteConnected		KEYWORD2
+nunchuckConnected		KEYWORD2
 getButtonPress			KEYWORD2
 getButtonClick			KEYWORD2
 setRumbleToggle			KEYWORD2
+getNunchuckPitch		KEYWORD2
+getNunchuckRoll			KEYWORD2
 getPitch				KEYWORD2
 getRoll					KEYWORD2