git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6605 8ced0084-cf51-0410-be5f-012b33b47a6e
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Glenn Rice
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522746b2c2
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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 file is part of wiiuse.
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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 3 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, see <http://www.gnu.org/licenses/>.
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*
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* $Header$
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*
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*/
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/**
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* @file
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* @brief Handles IR data.
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*/
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#include <stdio.h>
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#include <math.h>
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#ifndef _WIN32
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#include <unistd.h>
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#endif
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#include "Common.h"
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#include "wiiuse_internal.h"
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static int get_ir_sens(struct wiimote_t* wm, const char** block1, const char** block2);
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/**
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* @brief Get the IR sensitivity settings.
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*
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* @param wm Pointer to a wiimote_t structure.
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* @param block1 [out] Pointer to where block1 will be set.
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* @param block2 [out] Pointer to where block2 will be set.
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*
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* @return Returns the sensitivity level.
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*/
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static int get_ir_sens(struct wiimote_t* wm, const char** block1, const char** block2) {
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if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR_SENS_LVL1)) {
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*block1 = WM_IR_BLOCK1_LEVEL1;
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*block2 = WM_IR_BLOCK2_LEVEL1;
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return 1;
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} else if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR_SENS_LVL2)) {
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*block1 = WM_IR_BLOCK1_LEVEL2;
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*block2 = WM_IR_BLOCK2_LEVEL2;
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return 2;
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} else if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR_SENS_LVL3)) {
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*block1 = WM_IR_BLOCK1_LEVEL3;
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*block2 = WM_IR_BLOCK2_LEVEL3;
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return 3;
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} else if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR_SENS_LVL4)) {
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*block1 = WM_IR_BLOCK1_LEVEL4;
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*block2 = WM_IR_BLOCK2_LEVEL4;
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return 4;
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} else if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR_SENS_LVL5)) {
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*block1 = WM_IR_BLOCK1_LEVEL5;
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*block2 = WM_IR_BLOCK2_LEVEL5;
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return 5;
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}
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*block1 = NULL;
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*block2 = NULL;
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return 0;
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}
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/**
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* @brief Set the IR sensitivity.
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*
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* @param wm Pointer to a wiimote_t structure.
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* @param level 1-5, same as Wii system sensitivity setting.
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*
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* If the level is < 1, then level will be set to 1.
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* If the level is > 5, then level will be set to 5.
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*/
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void wiiuse_set_ir_sensitivity(struct wiimote_t* wm, int level) {
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const char* block1 = NULL;
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const char* block2 = NULL;
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if (!wm) return;
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if (level > 5) level = 5;
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if (level < 1) level = 1;
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WIIMOTE_DISABLE_STATE(wm, (WIIMOTE_STATE_IR_SENS_LVL1 |
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WIIMOTE_STATE_IR_SENS_LVL2 |
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WIIMOTE_STATE_IR_SENS_LVL3 |
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WIIMOTE_STATE_IR_SENS_LVL4 |
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WIIMOTE_STATE_IR_SENS_LVL5));
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switch (level) {
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case 1:
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WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_IR_SENS_LVL1);
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break;
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case 2:
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WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_IR_SENS_LVL2);
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break;
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case 3:
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WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_IR_SENS_LVL3);
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break;
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case 4:
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WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_IR_SENS_LVL4);
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break;
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case 5:
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WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_IR_SENS_LVL5);
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break;
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default:
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return;
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}
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/* set the new sensitivity */
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get_ir_sens(wm, &block1, &block2);
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wiiuse_write_data(wm, WM_REG_IR_BLOCK1, (byte*)block1, 9);
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wiiuse_write_data(wm, WM_REG_IR_BLOCK2, (byte*)block2, 2);
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DEBUG_LOG(WIIMOTE, "Set IR sensitivity to level %i (unid %i)", level, wm->unid);
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}
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