A program allowing the output of one or two Wii Nunchucks to be read via I2C and decoded for use.
File content as of revision 0:d51f5e2478c1:
/* * WiiNunchuckReader. A program allowing the output of one or two * Wii Nunchucks to be read via I2C and decoded for use, using the mbed * microcontroller and its associated libraries. * * Copyright (C) <2009> Petras Saduikis <firstname.lastname@example.org> * * This file is part of WiiNunchuckReader. * * WiiNunchuckReader is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * WiiNunchuckReader is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with WiiNunchuckReader. If not, see <http://www.gnu.org/licenses/>. */ #ifndef SNATCH59_WIINUNCHUCKDEFS_H #define SNATCH59_WIINUNCHUCKDEFS_H // I2C #define NUNCHUCK_ADDR 0xA4 // I2C library doesn't right shift the address, so provided shifted #define NUNCHUCK_REGADDR 0x40 // relevant register address #define NUNCHUCK_READLEN 0x06 // always read this many bytes back // received byte position #define JOY_X 0 #define JOY_Y 1 #define ACCEL_X 2 #define ACCEL_Y 3 #define ACCEL_Z 4 #define ADDITIONAL 5 // bitmasks for addition info byte #define MASK_CZ 0x03 #define MASK_ACCLX1 0x04 #define MASK_ACCLX2 0x08 #define MASK_ACCLY1 0x10 #define MASK_ACCLY2 0x20 #define MASK_ACCLZ1 0x40 #define MASK_ACCLZ2 0x80 // timing #define I2C_READ_DELAY 0.01 // I2C status #define I2C_OK 0 // zero on success (ACK), non-zero on fail (NACK) for read or write #endif