added special wiiuse version

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1072 8ced0084-cf51-0410-be5f-012b33b47a6e

Externals/WiiUseSrc/Src/io_nix.c

@@ -0,0 +1,270 @@
+/*
+ *	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 Handles device I/O for *nix.
+ */
+
+#ifndef WIN32
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
+#include <bluetooth/l2cap.h>
+
+#include "definitions.h"
+#include "wiiuse_internal.h"
+#include "io.h"
+
+static int wiiuse_connect_single(struct wiimote_t* wm, char* address);
+
+/**
+ *	@brief Find a wiimote or wiimotes.
+ *
+ *	@param wm			An array of wiimote_t structures.
+ *	@param max_wiimotes	The number of wiimote structures in \a wm.
+ *	@param timeout		The number of seconds before the search times out.
+ *
+ *	@return The number of wiimotes found.
+ *
+ *	@see wiimote_connect()
+ *
+ *	This function will only look for wiimote devices.						\n
+ *	When a device is found the address in the structures will be set.		\n
+ *	You can then call wiimote_connect() to connect to the found				\n
+ *	devices.
+ */
+int wiiuse_find(struct wiimote_t** wm, int max_wiimotes, int timeout) {
+	int device_id;
+	int device_sock;
+	int found_devices;
+	int found_wiimotes;
+
+	/* reset all wiimote bluetooth device addresses */
+	for (found_wiimotes = 0; found_wiimotes < max_wiimotes; ++found_wiimotes)
+		wm[found_wiimotes]->bdaddr = *BDADDR_ANY;
+	found_wiimotes = 0;
+
+	/* get the id of the first bluetooth device. */
+	device_id = hci_get_route(NULL);
+	if (device_id < 0) {
+		perror("hci_get_route");
+		return 0;
+	}
+
+	/* create a socket to the device */
+	device_sock = hci_open_dev(device_id);
+	if (device_sock < 0) {
+		perror("hci_open_dev");
+		return 0;
+	}
+
+	inquiry_info scan_info_arr[128];
+	inquiry_info* scan_info = scan_info_arr;
+	memset(&scan_info_arr, 0, sizeof(scan_info_arr));
+
+	/* scan for bluetooth devices for 'timeout' seconds */
+	found_devices = hci_inquiry(device_id, timeout, 128, NULL, &scan_info, IREQ_CACHE_FLUSH);
+	if (found_devices < 0) {
+		perror("hci_inquiry");
+		return 0;
+	}
+
+	WIIUSE_INFO("Found %i bluetooth device(s).", found_devices);
+
+	int i = 0;
+
+	/* display discovered devices */
+	for (; (i < found_devices) && (found_wiimotes < max_wiimotes); ++i) {
+		if ((scan_info[i].dev_class[0] == WM_DEV_CLASS_0) &&
+			(scan_info[i].dev_class[1] == WM_DEV_CLASS_1) &&
+			(scan_info[i].dev_class[2] == WM_DEV_CLASS_2))
+		{
+			/* found a device */
+			ba2str(&scan_info[i].bdaddr, wm[found_wiimotes]->bdaddr_str);
+
+			WIIUSE_INFO("Found wiimote (%s) [id %i].", wm[found_wiimotes]->bdaddr_str, wm[found_wiimotes]->unid);
+
+			wm[found_wiimotes]->bdaddr = scan_info[i].bdaddr;
+			WIIMOTE_ENABLE_STATE(wm[found_wiimotes], WIIMOTE_STATE_DEV_FOUND);
+			++found_wiimotes;
+		}
+	}
+
+	close(device_sock);
+	return found_wiimotes;
+}
+
+
+/**
+ *	@brief Connect to a wiimote or wiimotes once an address is known.
+ *
+ *	@param wm			An array of wiimote_t structures.
+ *	@param wiimotes		The number of wiimote structures in \a wm.
+ *
+ *	@return The number of wiimotes that successfully connected.
+ *
+ *	@see wiiuse_find()
+ *	@see wiiuse_connect_single()
+ *	@see wiiuse_disconnect()
+ *
+ *	Connect to a number of wiimotes when the address is already set
+ *	in the wiimote_t structures.  These addresses are normally set
+ *	by the wiiuse_find() function, but can also be set manually.
+ */
+int wiiuse_connect(struct wiimote_t** wm, int wiimotes) {
+	int connected = 0;
+	int i = 0;
+
+	for (; i < wiimotes; ++i) {
+		if (!WIIMOTE_IS_SET(wm[i], WIIMOTE_STATE_DEV_FOUND))
+			/* if the device address is not set, skip it */
+			continue;
+
+		if (wiiuse_connect_single(wm[i], NULL))
+			++connected;
+	}
+
+	return connected;
+}
+
+
+/**
+ *	@brief Connect to a wiimote with a known address.
+ *
+ *	@param wm		Pointer to a wiimote_t structure.
+ *	@param address	The address of the device to connect to.
+ *					If NULL, use the address in the struct set by wiiuse_find().
+ *
+ *	@return 1 on success, 0 on failure
+ */
+static int wiiuse_connect_single(struct wiimote_t* wm, char* address) {
+	struct sockaddr_l2 addr;
+
+	if (!wm || WIIMOTE_IS_CONNECTED(wm))
+		return 0;
+
+	addr.l2_family = AF_BLUETOOTH;
+
+	if (address)
+		/* use provided address */
+		str2ba(address, &addr.l2_bdaddr);
+	else
+		/* use address of device discovered */
+		addr.l2_bdaddr = wm->bdaddr;
+
+	/*
+	 *	OUTPUT CHANNEL
+	 */
+	wm->out_sock = socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
+	if (wm->out_sock == -1)
+		return 0;
+
+	addr.l2_psm = htobs(WM_OUTPUT_CHANNEL);
+
+	/* connect to wiimote */
+	if (connect(wm->out_sock, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+		perror("connect() output sock");
+		return 0;
+	}
+
+	/*
+	 *	INPUT CHANNEL
+	 */
+	wm->in_sock = socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
+	if (wm->in_sock == -1) {
+		close(wm->out_sock);
+		wm->out_sock = -1;
+		return 0;
+	}
+
+	addr.l2_psm = htobs(WM_INPUT_CHANNEL);
+
+	/* connect to wiimote */
+	if (connect(wm->in_sock, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+		perror("connect() interrupt sock");
+		close(wm->out_sock);
+		wm->out_sock = -1;
+		return 0;
+	}
+
+	WIIUSE_INFO("Connected to wiimote [id %i].", wm->unid);
+
+	/* do the handshake */
+	WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_CONNECTED);
+	wiiuse_handshake(wm, NULL, 0);
+
+	wiiuse_set_report_type(wm);
+
+	return 1;
+}
+
+
+/**
+ *	@brief Disconnect a wiimote.
+ *
+ *	@param wm		Pointer to a wiimote_t structure.
+ *
+ *	@see wiiuse_connect()
+ *
+ *	Note that this will not free the wiimote structure.
+ */
+void wiiuse_disconnect(struct wiimote_t* wm) {
+	if (!wm || WIIMOTE_IS_CONNECTED(wm))
+		return;
+
+	close(wm->out_sock);
+	close(wm->in_sock);
+
+	wm->out_sock = -1;
+	wm->in_sock = -1;
+	wm->event = WIIUSE_NONE;
+
+	WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_CONNECTED);
+	WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_HANDSHAKE);
+}
+
+
+int wiiuse_io_read(struct wiimote_t* wm) {
+	/* not used */
+	return 0;
+}
+
+
+int wiiuse_io_write(struct wiimote_t* wm, byte* buf, int len) {
+	return write(wm->out_sock, buf, len);
+}
+
+
+
+#endif /* ifndef WIN32 */