wiiuse_internal.h

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/*
 *  wiiuse
 *
 *  Written By:
 *      Michael Laforest    < para >
 *      Email: < thepara (--AT--) g m a i l [--DOT--] com >
 *
 *  Copyright 2006-2007
 *
 *  This file is part of wiiuse.
 *
 *  This program 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.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  $Header$
 *
 */

#pragma once

#ifndef WIN32
    #include <arpa/inet.h>              /* htons() */
    #include <bluetooth/bluetooth.h>
#endif

#include "definitions.h"

/* wiiuse version */
#define WIIUSE_VERSION                  "0.12"

/********************
 *
 *  Wiimote internal codes
 *
 ********************/

/* Communication channels */
#define WM_OUTPUT_CHANNEL           0x11
#define WM_INPUT_CHANNEL            0x13

#define WM_SET_REPORT               0x50

/* commands */
#define WM_CMD_LED                  0x11
#define WM_CMD_REPORT_TYPE          0x12
#define WM_CMD_RUMBLE               0x13
#define WM_CMD_IR                   0x13
#define WM_CMD_CTRL_STATUS          0x15
#define WM_CMD_WRITE_DATA           0x16
#define WM_CMD_READ_DATA            0x17
#define WM_CMD_IR_2                 0x1A

/* input report ids */
#define WM_RPT_CTRL_STATUS          0x20
#define WM_RPT_READ                 0x21
#define WM_RPT_WRITE                0x22
#define WM_RPT_BTN                  0x30
#define WM_RPT_BTN_ACC              0x31
#define WM_RPT_BTN_ACC_IR           0x33
#define WM_RPT_BTN_EXP              0x34
#define WM_RPT_BTN_ACC_EXP          0x35
#define WM_RPT_BTN_IR_EXP           0x36
#define WM_RPT_BTN_ACC_IR_EXP       0x37

#define WM_BT_INPUT                 0x01
#define WM_BT_OUTPUT                0x02

/* Identify the wiimote device by its class */
#define WM_DEV_CLASS_0              0x04
#define WM_DEV_CLASS_1              0x25
#define WM_DEV_CLASS_2              0x00
#define WM_VENDOR_ID                0x057E
#define WM_PRODUCT_ID               0x0306

/* controller status stuff */
#define WM_MAX_BATTERY_CODE         0xC8

/* offsets in wiimote memory */
#define WM_MEM_OFFSET_CALIBRATION   0x16
#define WM_EXP_MEM_BASE             0x04A40000
#define WM_EXP_MEM_ENABLE           0x04A40040
#define WM_EXP_MEM_CALIBR           0x04A40020

#define WM_REG_IR                   0x04B00030
#define WM_REG_IR_BLOCK1            0x04B00000
#define WM_REG_IR_BLOCK2            0x04B0001A
#define WM_REG_IR_MODENUM           0x04B00033

/* ir block data */
#define WM_IR_BLOCK1_LEVEL1         "\x02\x00\x00\x71\x01\x00\x64\x00\xfe"
#define WM_IR_BLOCK2_LEVEL1         "\xfd\x05"
#define WM_IR_BLOCK1_LEVEL2         "\x02\x00\x00\x71\x01\x00\x96\x00\xb4"
#define WM_IR_BLOCK2_LEVEL2         "\xb3\x04"
#define WM_IR_BLOCK1_LEVEL3         "\x02\x00\x00\x71\x01\x00\xaa\x00\x64"
#define WM_IR_BLOCK2_LEVEL3         "\x63\x03"
#define WM_IR_BLOCK1_LEVEL4         "\x02\x00\x00\x71\x01\x00\xc8\x00\x36"
#define WM_IR_BLOCK2_LEVEL4         "\x35\x03"
#define WM_IR_BLOCK1_LEVEL5         "\x07\x00\x00\x71\x01\x00\x72\x00\x20"
#define WM_IR_BLOCK2_LEVEL5         "\x1f\x03"

#define WM_IR_TYPE_BASIC            0x01
#define WM_IR_TYPE_EXTENDED         0x03

/* controller status flags for the first message byte */
/* bit 1 is unknown */
#define WM_CTRL_STATUS_BYTE1_ATTACHMENT         0x02
#define WM_CTRL_STATUS_BYTE1_SPEAKER_ENABLED    0x04
#define WM_CTRL_STATUS_BYTE1_IR_ENABLED         0x08
#define WM_CTRL_STATUS_BYTE1_LED_1              0x10
#define WM_CTRL_STATUS_BYTE1_LED_2              0x20
#define WM_CTRL_STATUS_BYTE1_LED_3              0x40
#define WM_CTRL_STATUS_BYTE1_LED_4              0x80

/* aspect ratio */
#define WM_ASPECT_16_9_X    660
#define WM_ASPECT_16_9_Y    370
#define WM_ASPECT_4_3_X     560
#define WM_ASPECT_4_3_Y     420


/* encrypted expansion id codes (located at 0x04A400FC) */
#define EXP_ID_CODE_NUNCHUK                 0x9A1EFEFE
#define EXP_ID_CODE_CLASSIC_CONTROLLER      0x9A1EFDFD
#define EXP_ID_CODE_GUITAR                  0x9A1EFDFB

#define EXP_HANDSHAKE_LEN                   224

/********************
 *
 *  End Wiimote internal codes
 *
 ********************/

/* wiimote state flags - (some duplicated in wiiuse.h)*/
#define WIIMOTE_STATE_DEV_FOUND             0x0001
#define WIIMOTE_STATE_HANDSHAKE             0x0002  /* actual connection exists but no handshake yet */
#define WIIMOTE_STATE_HANDSHAKE_COMPLETE    0x0004  /* actual connection exists but no handshake yet */
#define WIIMOTE_STATE_CONNECTED             0x0008
#define WIIMOTE_STATE_RUMBLE                0x0010
#define WIIMOTE_STATE_ACC                   0x0020
#define WIIMOTE_STATE_EXP                   0x0040
#define WIIMOTE_STATE_IR                    0x0080
#define WIIMOTE_STATE_SPEAKER               0x0100
#define WIIMOTE_STATE_IR_SENS_LVL1          0x0200
#define WIIMOTE_STATE_IR_SENS_LVL2          0x0400
#define WIIMOTE_STATE_IR_SENS_LVL3          0x0800
#define WIIMOTE_STATE_IR_SENS_LVL4          0x1000
#define WIIMOTE_STATE_IR_SENS_LVL5          0x2000

#define WIIMOTE_INIT_STATES                 (WIIMOTE_STATE_IR_SENS_LVL3)

/* macro to manage states */
#define WIIMOTE_IS_SET(wm, s)           ((wm->state & (s)) == (s))
#define WIIMOTE_ENABLE_STATE(wm, s)     (wm->state |= (s))
#define WIIMOTE_DISABLE_STATE(wm, s)    (wm->state &= ~(s))
#define WIIMOTE_TOGGLE_STATE(wm, s)     ((wm->state & (s)) ? WIIMOTE_DISABLE_STATE(wm, s) : WIIMOTE_ENABLE_STATE(wm, s))

#define WIIMOTE_IS_FLAG_SET(wm, s)      ((wm->flags & (s)) == (s))
#define WIIMOTE_ENABLE_FLAG(wm, s)      (wm->flags |= (s))
#define WIIMOTE_DISABLE_FLAG(wm, s)     (wm->flags &= ~(s))
#define WIIMOTE_TOGGLE_FLAG(wm, s)      ((wm->flags & (s)) ? WIIMOTE_DISABLE_FLAG(wm, s) : WIIMOTE_ENABLE_FLAG(wm, s))

#define NUNCHUK_IS_FLAG_SET(wm, s)      ((*(wm->flags) & (s)) == (s))

/* misc macros */
#define WIIMOTE_ID(wm)                  (wm->unid)
#define WIIMOTE_IS_CONNECTED(wm)        (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_CONNECTED))

/*
 *  Smooth tilt calculations are computed with the
 *  exponential moving average formula:
 *      St = St_last + (alpha * (tilt - St_last))
 *  alpha is between 0 and 1
 */
#define WIIUSE_DEFAULT_SMOOTH_ALPHA     0.07f

#define SMOOTH_ROLL                     0x01
#define SMOOTH_PITCH                    0x02

#include "wiiuse.h"

#ifdef __cplusplus
extern "C" {
#endif

/* not part of the api */
int wiiuse_set_report_type(struct wiimote_t* wm);
void wiiuse_send_next_pending_read_request(struct wiimote_t* wm);
int wiiuse_send(struct wiimote_t* wm, byte report_type, byte* msg, int len);
int wiiuse_read_data_cb(struct wiimote_t* wm, wiiuse_read_cb read_cb, byte* buffer, unsigned int offset, unsigned short len);

#ifdef __cplusplus
}
#endif