dolphin/Externals/WiiUse/Src/wiiuse.c

407 lines
9.0 KiB
C

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