WiiNunchuckReader.h

00001 /*
00002 * WiiNunchuckReader. A program allowing the output of one or two
00003 * Wii Nunchucks to be read via I2C and decoded for use, using the mbed 
00004 * microcontroller and its associated libraries.
00005 *
00006 * Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
00007 *
00008 * This file is part of WiiNunchuckReader.
00009 *
00010 * WiiNunchuckReader is free software: you can redistribute it and/or modify
00011 * it under the terms of the GNU General Public License as published by
00012 * the Free Software Foundation, either version 3 of the License, or
00013 * (at your option) any later version.
00014 * 
00015 * WiiNunchuckReader is distributed in the hope that it will be useful,
00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 * GNU General Public License for more details.
00019 *
00020 * You should have received a copy of the GNU General Public License
00021 * along with WiiNunchuckReader.  If not, see <http://www.gnu.org/licenses/>.
00022 */
00023 
00024 #ifndef SNATCH59_WIINUNCHUCKREADER_H
00025 #define SNATCH59_WIINUNCHUCKREADER_H
00026 
00027 #include <mbed.h>
00028 #include "WiiNunchuckDefs.h"
00029 
00030 typedef unsigned char BYTE;
00031 
00032 class WiiNunchuckReader
00033 {
00034 public:
00035     // constructors
00036     WiiNunchuckReader(PinName sda, PinName scl);
00037     
00038     // functions
00039     void RequestRead();
00040     
00041     // accessors
00042     int getJoyX() const { return joyX; }
00043     int getJoyY() const { return joyY; }
00044     int getAccelX() const { return accelX; }
00045     int getAccelY() const { return accelY; }
00046     int getAccelZ() const { return accelZ; }
00047     int getButtonC() const { return buttonC; }
00048     int getButtonZ() const { return buttonZ; }
00049     int getBufferSize() const { return sizeof(readBuf); }
00050     char* getReadBuf() { return readBuf; }
00051     
00052 private:
00053     // nunchuck controls states
00054     int joyX;
00055     int joyY;
00056     int accelX;
00057     int accelY;
00058     int accelZ;
00059     int buttonC;
00060     int buttonZ;
00061     
00062     // nunchuck init state
00063     bool nunchuckInit;
00064     
00065     // nunchuck I2C port
00066     I2C nunchuckPort;
00067     
00068     // read data
00069     char readBuf[NUNCHUCK_READLEN];
00070     
00071     // functions    
00072     bool NunchuckInit();
00073     bool NunchuckRead();
00074     void NunchuckDecode();
00075     void DecodeAdditional();
00076 };
00077 
00078 #endif