407 lines
9.0 KiB
C
407 lines
9.0 KiB
C
/*
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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 General wiimote operations.
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*
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* The file includes functions that handle general
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* tasks. Most of these are functions that are part
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* of the API.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef _WIN32
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#include <unistd.h>
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#else
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#include <Winsock2.h>
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#endif
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#include "definitions.h"
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#include "wiiuse_internal.h"
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static int g_banner = 1;
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/**
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* @breif Returns the version of the library.
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*/
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const char* wiiuse_version() {
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return WIIUSE_VERSION;
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}
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/**
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* @brief Clean up wiimote_t array created by wiiuse_init()
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*/
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void wiiuse_cleanup(struct wiimote_t** wm, int wiimotes) {
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int i = 0;
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if (!wm)
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return;
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WIIUSE_INFO("wiiuse clean up...");
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for (; i < wiimotes; ++i) {
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wiiuse_disconnect(wm[i]);
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free(wm[i]);
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}
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free(wm);
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return;
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}
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/**
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* @brief Initialize an array of wiimote structures.
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*
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* @param wiimotes Number of wiimote_t structures to create.
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*
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* @return An array of initialized wiimote_t structures.
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*
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* @see wiiuse_connect()
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*
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* The array returned by this function can be passed to various
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* functions, including wiiuse_connect().
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*/
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struct wiimote_t** wiiuse_init(int wiimotes) {
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int i = 0;
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struct wiimote_t** wm = NULL;
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/*
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* Please do not remove this banner.
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* GPL asks that you please leave output credits intact.
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* Thank you.
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*
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* This banner is only displayed once so that if you need
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* to call this function again it won't be intrusive.
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*/
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if (!g_banner) {
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printf( "wiiuse v" WIIUSE_VERSION " loaded.\n"
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" By: Michael Laforest <thepara[at]gmail{dot}com>\n"
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" http://wiiuse.net http://wiiuse.sf.net\n");
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g_banner = 1;
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}
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if (!wiimotes)
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return NULL;
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wm = (struct wiimote_t **)malloc(sizeof(struct wiimote_t*) * wiimotes);
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for (i = 0; i < wiimotes; ++i) {
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wm[i] = (struct wiimote_t *)malloc(sizeof(struct wiimote_t));
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memset(wm[i], 0, sizeof(struct wiimote_t));
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wm[i]->unid = i+1;
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#if defined __linux__ && HAVE_BLUEZ
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wm[i]->bdaddr = *BDADDR_ANY;
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wm[i]->out_sock = -1;
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wm[i]->in_sock = -1;
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#elif defined(_WIN32)
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wm[i]->dev_handle = 0;
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wm[i]->stack = WIIUSE_STACK_UNKNOWN;
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#endif
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wm[i]->timeout = WIIMOTE_DEFAULT_TIMEOUT;
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wm[i]->state = WIIMOTE_INIT_STATES;
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wm[i]->flags = WIIUSE_INIT_FLAGS;
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wm[i]->event = WIIUSE_NONE;
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}
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return wm;
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}
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/**
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* @brief The wiimote disconnected.
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*
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* @param wm Pointer to a wiimote_t structure.
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*/
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void wiiuse_disconnected(struct wiimote_t* wm) {
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if (!wm) return;
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WIIUSE_INFO("Wiimote disconnected [id %i].", wm->unid);
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/* disable the connected flag */
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WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_CONNECTED);
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/* reset a bunch of stuff */
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wm->leds = 0;
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wm->state = WIIMOTE_INIT_STATES;
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memset(wm->event_buf, 0, sizeof(wm->event_buf));
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#if defined __linux__ && HAVE_BLUEZ
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wm->out_sock = -1;
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wm->in_sock = -1;
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#elif defined(_WIN32)
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CloseHandle(wm->dev_handle);
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wm->dev_handle = 0;
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#endif
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wm->event = WIIUSE_DISCONNECT;
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}
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/**
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* @brief Enable or disable the rumble.
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*
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* @param wm Pointer to a wiimote_t structure.
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* @param status 1 to enable, 0 to disable.
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*/
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void wiiuse_rumble(struct wiimote_t* wm, int status) {
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byte buf;
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if (!wm || !WIIMOTE_IS_CONNECTED(wm))
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return;
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/* make sure to keep the current lit leds */
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buf = wm->leds;
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if (status) {
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WIIUSE_DEBUG("Starting rumble...");
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WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_RUMBLE);
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buf |= 0x01;
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} else {
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WIIUSE_DEBUG("Stopping rumble...");
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WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_RUMBLE);
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}
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/* preserve IR state */
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if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR))
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buf |= 0x04;
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wiiuse_send(wm, WM_CMD_RUMBLE, &buf, 1);
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}
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/**
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* @brief Set the enabled LEDs.
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*
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* @param wm Pointer to a wiimote_t structure.
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* @param leds What LEDs to enable.
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*
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* \a leds is a bitwise or of WIIMOTE_LED_1, WIIMOTE_LED_2, WIIMOTE_LED_3, or WIIMOTE_LED_4.
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*/
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void wiiuse_set_leds(struct wiimote_t* wm, int leds) {
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byte buf;
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if (!wm || !WIIMOTE_IS_CONNECTED(wm))
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return;
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/* remove the lower 4 bits because they control rumble */
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wm->leds = (leds & 0xF0);
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buf = wm->leds;
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/* make sure if the rumble is on that we keep it on */
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if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_RUMBLE))
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buf |= 0x01;
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wiiuse_send(wm, WM_CMD_LED, &buf, 1);
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}
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/**
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* @brief Set the report type based on the current wiimote state.
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*
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* @param wm Pointer to a wiimote_t structure.
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*
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* @return The report type sent.
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*
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* The wiimote reports formatted packets depending on the
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* report type that was last requested. This function will
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* update the type of report that should be sent based on
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* the current state of the device.
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*/
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int wiiuse_set_report_type(struct wiimote_t* wm) {
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byte buf[2];
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int motion, expansion, ir;
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if (!wm || !WIIMOTE_IS_CONNECTED(wm))
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return 0;
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buf[0] = (WIIMOTE_IS_FLAG_SET(wm, WIIUSE_CONTINUOUS) ? 0x04 : 0x00); /* set to 0x04 for continuous reporting */
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/* if rumble is enabled, make sure we keep it */
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if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_RUMBLE))
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buf[0] |= 0x01;
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motion = WIIMOTE_IS_SET(wm, WIIMOTE_STATE_ACC);
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expansion = WIIMOTE_IS_SET(wm, WIIMOTE_STATE_EXP);
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ir = WIIMOTE_IS_SET(wm, WIIMOTE_STATE_IR);
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buf[1] = 0x30;
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WIIUSE_DEBUG("Setting report type: 0x%x", buf[1]);
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expansion = wiiuse_send(wm, WM_CMD_REPORT_TYPE, buf, 2);
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if (expansion <= 0)
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return expansion;
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return buf[1];
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}
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/**
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* @brief Write data to the wiimote.
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*
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* @param wm Pointer to a wiimote_t structure.
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* @param addr The address to write to.
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* @param data The data to be written to the memory location.
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* @param len The length of the block to be written.
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*/
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int wiiuse_write_data(struct wiimote_t* wm, unsigned int addr, byte* data, byte len) {
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byte buf[21] = {0}; /* the payload is always 23 */
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if (!wm || !WIIMOTE_IS_CONNECTED(wm))
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return 0;
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if (!data || !len)
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return 0;
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WIIUSE_DEBUG("Writing %i bytes to memory location 0x%x...", len, addr);
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#ifdef WITH_WIIUSE_DEBUG
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{
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int i = 0;
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printf("Write data is: ");
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for (; i < len; ++i)
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printf("%x ", data[i]);
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printf("\n");
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}
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#endif
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/* the offset is in big endian */
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*(int*)(buf) = BIG_ENDIAN_LONG(addr);
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/* length */
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*(byte*)(buf + 4) = len;
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/* data */
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memcpy(buf + 5, data, len);
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wiiuse_send(wm, WM_CMD_WRITE_DATA, buf, 21);
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return 1;
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}
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/**
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* @brief Send a packet to the wiimote.
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*
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* @param wm Pointer to a wiimote_t structure.
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* @param report_type The report type to send (WIIMOTE_CMD_LED, WIIMOTE_CMD_RUMBLE, etc). Found in wiiuse.h
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* @param msg The payload.
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* @param len Length of the payload in bytes.
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*
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* This function should replace any write()s directly to the wiimote device.
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*/
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int wiiuse_send(struct wiimote_t* wm, byte report_type, byte* msg, int len) {
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byte buf[32]; /* no payload is better than this */
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int rumble = 0;
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buf[0] = WM_SET_REPORT | WM_BT_OUTPUT;
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buf[1] = report_type;
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switch (report_type) {
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case WM_CMD_LED:
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case WM_CMD_RUMBLE:
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case WM_CMD_CTRL_STATUS:
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{
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/* Rumble flag for: 0x11, 0x13, 0x14, 0x15, 0x19 or 0x1a */
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if (WIIMOTE_IS_SET(wm, WIIMOTE_STATE_RUMBLE))
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rumble = 1;
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break;
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}
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default:
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break;
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}
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memcpy(buf+2, msg, len);
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if (rumble)
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buf[2] |= 0x01;
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#ifdef WITH_WIIUSE_DEBUG
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{
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int x = 2;
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printf("[DEBUG] (id %i) SEND: (%x) %.2x ", wm->unid, buf[0], buf[1]);
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#ifndef _WIN32
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for (; x < len+2; ++x)
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#else
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for (; x < len+1; ++x)
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#endif
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printf("%.2x ", buf[x]);
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printf("\n");
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}
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#endif
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return wiiuse_io_write(wm, buf, len+2);
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}
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/**
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* @brief Set the bluetooth stack type to use.
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*
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* @param wm Array of wiimote_t structures.
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* @param wiimotes Number of objects in the wm array.
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* @param type The type of bluetooth stack to use.
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*/
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void wiiuse_set_bluetooth_stack(struct wiimote_t** wm, int wiimotes, enum win_bt_stack_t type) {
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#ifdef _WIN32
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int i;
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if (!wm) return;
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for (i = 0; i < wiimotes; ++i)
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wm[i]->stack = type;
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#endif
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}
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/**
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* @brief Set the normal and expansion handshake timeouts.
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*
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* @param wm Array of wiimote_t structures.
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* @param wiimotes Number of objects in the wm array.
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* @param normal_timeout The timeout in milliseconds for a normal read.
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* @param exp_timeout The timeout in millisecondsd to wait for an expansion handshake.
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*/
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void wiiuse_set_timeout(struct wiimote_t** wm, int wiimotes, byte timeout) {
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int i;
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if (!wm) return;
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for (i = 0; i < wiimotes; ++i) {
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wm[i]->timeout = timeout;
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}
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}
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