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 public:
00034     // constructors
00035     WiiNunchuckReader(PinName sda, PinName scl);
00036 
00037     // functions
00038     void RequestRead();
00039 
00040     // accessors
00041     int getJoyX() const {
00042         return joyX;
00043     }
00044     int getJoyY() const {
00045         return joyY;
00046     }
00047     int getAccelX() const {
00048         return accelX;
00049     }
00050     int getAccelY() const {
00051         return accelY;
00052     }
00053     int getAccelZ() const {
00054         return accelZ;
00055     }
00056     int getButtonC() const {
00057         return buttonC;
00058     }
00059     int getButtonZ() const {
00060         return buttonZ;
00061     }
00062     int getBufferSize() const {
00063         return sizeof(readBuf);
00064     }
00065     char* getReadBuf() {
00066         return readBuf;
00067     }
00068 
00069 private:
00070     // nunchuck controls states
00071     int joyX;
00072     int joyY;
00073     int accelX;
00074     int accelY;
00075     int accelZ;
00076     int buttonC;
00077     int buttonZ;
00078 
00079     // nunchuck init state
00080     bool nunchuckInit;
00081 
00082     // nunchuck I2C port
00083     I2C nunchuckPort;
00084 
00085     // read data
00086     char readBuf[NUNCHUCK_READLEN];
00087 
00088     // functions
00089     bool NunchuckInit();
00090     bool NunchuckRead();
00091     void NunchuckDecode();
00092     void DecodeAdditional();
00093 };
00094 
00095 #endif