mirror of
https://github.com/libretro/RetroArch.git
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204 lines
6.2 KiB
C
204 lines
6.2 KiB
C
/*
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* This file is part of iMAME4all.
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*
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* Copyright (C) 2010 David Valdeita (Seleuco)
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*
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* based on:
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*
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* wiiuse
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*
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* Written By:
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* Michael Laforest < para >
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* Email: < thepara (--AT--) g m a i l [--DOT--] com >
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*
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* Copyright 2006-2007
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* In addition, as a special exception, Seleuco
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* gives permission to link the code of this program with
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* the MAME library (or with modified versions of MAME that use the
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* same license as MAME), and distribute linked combinations including
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* the two. You must obey the GNU General Public License in all
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* respects for all of the code used other than MAME. If you modify
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* this file, you may extend this exception to your version of the
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* file, but you are not obligated to do so. If you do not wish to
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* do so, delete this exception statement from your version.
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*/
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#ifndef __WIIMOTE_H__
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#define __WIIMOTE_H__
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#if defined(__cplusplus)
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extern "C" {
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#endif
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typedef unsigned char byte;
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typedef char sbyte;
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/* Convert to big endian */
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#define BIG_ENDIAN_LONG(i) (htonl(i))
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#define BIG_ENDIAN_SHORT(i) (htons(i))
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#define absf(x) ((x >= 0) ? (x) : (x * -1.0f))
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#define diff_f(x, y) ((x >= y) ? (absf(x - y)) : (absf(y - x)))
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/* wiimote state flags*/
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#define WIIMOTE_STATE_DEV_FOUND 0x0001
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#define WIIMOTE_STATE_HANDSHAKE 0x0002 /* Actual connection exists but no handshake yet */
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#define WIIMOTE_STATE_HANDSHAKE_COMPLETE 0x0004
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#define WIIMOTE_STATE_CONNECTED 0x0008
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#define WIIMOTE_STATE_EXP 0x0040
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/* Communication channels */
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#define WM_SET_REPORT 0x50
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/* Commands */
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#define WM_CMD_LED 0x11
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#define WM_CMD_REPORT_TYPE 0x12
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#define WM_CMD_RUMBLE 0x13
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#define WM_CMD_IR 0x13
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#define WM_CMD_CTRL_STATUS 0x15
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#define WM_CMD_WRITE_DATA 0x16
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#define WM_CMD_READ_DATA 0x17
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#define WM_CMD_IR_2 0x1A
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/* Input report IDs */
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#define WM_RPT_CTRL_STATUS 0x20
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#define WM_RPT_READ 0x21
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#define WM_RPT_WRITE 0x22
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#define WM_RPT_BTN 0x30
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#define WM_RPT_BTN_ACC 0x31
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#define WM_RPT_BTN_ACC_IR 0x33
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#define WM_RPT_BTN_EXP 0x34
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#define WM_RPT_BTN_ACC_EXP 0x35
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#define WM_RPT_BTN_IR_EXP 0x36
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#define WM_RPT_BTN_ACC_IR_EXP 0x37
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#define WM_BT_INPUT 0x01
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#define WM_BT_OUTPUT 0x02
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/* controller status stuff */
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#define WM_MAX_BATTERY_CODE 0xC8
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#define EXP_ID_CODE_CLASSIC_CONTROLLER 0x9A1EFDFD
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/* offsets in wiimote memory */
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#define WM_MEM_OFFSET_CALIBRATION 0x16
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#define WM_EXP_MEM_BASE 0x04A40000
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#define WM_EXP_MEM_ENABLE 0x04A40040
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#define WM_EXP_MEM_CALIBR 0x04A40020
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#define EXP_HANDSHAKE_LEN 224
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/* controller status flags for the first message byte */
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/* bit 1 is unknown */
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#define WM_CTRL_STATUS_BYTE1_ATTACHMENT 0x02
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#define WM_CTRL_STATUS_BYTE1_SPEAKER_ENABLED 0x04
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#define WM_CTRL_STATUS_BYTE1_IR_ENABLED 0x08
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#define WM_CTRL_STATUS_BYTE1_LED_1 0x10
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#define WM_CTRL_STATUS_BYTE1_LED_2 0x20
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#define WM_CTRL_STATUS_BYTE1_LED_3 0x40
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#define WM_CTRL_STATUS_BYTE1_LED_4 0x80
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/* LED bit masks */
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#define WIIMOTE_LED_NONE 0x00
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#define WIIMOTE_LED_1 0x10
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#define WIIMOTE_LED_2 0x20
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#define WIIMOTE_LED_3 0x40
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#define WIIMOTE_LED_4 0x80
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/* button masks */
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#define WIIMOTE_BUTTON_ALL 0x1F9F
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#define CLASSIC_CTRL_BUTTON_ALL 0xFEFF
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/* expansion codes */
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#define EXP_NONE 0
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#define EXP_CLASSIC 2
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typedef struct axis_t
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{
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bool has_center;
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byte min;
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byte center;
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byte max;
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byte raw_value;
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float value;
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} axis_t;
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typedef struct joystick_t
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{
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axis_t x;
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axis_t y;
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} joystick_t;
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typedef struct classic_ctrl_t
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{
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short btns;
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struct joystick_t ljs;
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struct joystick_t rjs;
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} classic_ctrl_t;
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/*
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* Generic expansion device plugged into wiimote.
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*/
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typedef struct expansion_t
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{
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/* Type of expansion attached. */
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int type;
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union {
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struct classic_ctrl_t classic;
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} cc;
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} expansion_t;
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/* Wiimote structure. */
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typedef struct wiimote_t
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{
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/* User specified ID. */
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int unid;
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struct pad_connection* connection;
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send_control_t send_control;
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/* Various state flags. */
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int state;
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/* Currently lit LEDs. */
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byte leds;
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/* Battery level. */
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float battery_level;
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/* The state of the connection handshake. */
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byte handshake_state;
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/* Wiimote expansion device. */
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struct expansion_t exp;
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/* What buttons have just been pressed. */
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unsigned short btns;
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} wiimote;
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/* Macro to manage states */
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#define WIIMOTE_IS_SET(wm, s) ((wm->state & (s)) == (s))
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#define WIIMOTE_ENABLE_STATE(wm, s) (wm->state |= (s))
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#define WIIMOTE_DISABLE_STATE(wm, s) (wm->state &= ~(s))
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#define WIIMOTE_TOGGLE_STATE(wm, s) ((wm->state & (s)) ? WIIMOTE_DISABLE_STATE(wm, s) : WIIMOTE_ENABLE_STATE(wm, s))
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#define WIIMOTE_IS_CONNECTED(wm) (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_CONNECTED))
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#if defined(__cplusplus)
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}
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#endif
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#endif
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