dolphin/Source/Core/wiiuse/Src/io_osx.mm

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/*
* 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 OS X.
*/
#import <CoreServices/CoreServices.h>
extern "C" OSErr UpdateSystemActivity(UInt8 activity);
#define BLUETOOTH_VERSION_USE_CURRENT
#import <IOBluetooth/IOBluetooth.h>
#include "Common.h"
#include "HW/Wiimote.h"
#include "wiiuse_internal.h"
static int wiiuse_connect_single(struct wiimote_t *wm, char *address);
static struct wiimote_t *motes[MAX_WIIMOTES];
@interface SearchBT: NSObject {
@public
unsigned int maxDevices;
}
@end
@implementation SearchBT
- (void) deviceInquiryComplete: (IOBluetoothDeviceInquiry *) sender
error: (IOReturn) error
aborted: (BOOL) aborted
{
CFRunLoopStop(CFRunLoopGetCurrent());
}
- (void) deviceInquiryDeviceFound: (IOBluetoothDeviceInquiry *) sender
device: (IOBluetoothDevice *) device
{
NOTICE_LOG(WIIMOTE, "Discovered bluetooth device at %s: %s",
[[device getAddressString] UTF8String],
[[device getName] UTF8String]);
if ([[sender foundDevices] count] == maxDevices)
[sender stop];
}
@end
@interface ConnectBT: NSObject {}
@end
@implementation ConnectBT
- (void) l2capChannelData: (IOBluetoothL2CAPChannel *) l2capChannel
data: (byte *) data
length: (NSUInteger) length
{
IOBluetoothDevice *device = [l2capChannel getDevice];
struct wiimote_t *wm = NULL;
for (int i = 0; i < MAX_WIIMOTES; i++) {
if (motes[i] == NULL)
continue;
if ([device isEqual: motes[i]->btd] == TRUE)
wm = motes[i];
if (i == MAX_WIIMOTES && wm == NULL) {
WARN_LOG(WIIMOTE, "Received packet for unknown wiimote");
return;
}
}
if (length > MAX_PAYLOAD) {
WARN_LOG(WIIMOTE, "Dropping wiimote packet, too large [id %i]",
wm->unid);
return;
}
if (wm->queue[wm->writer].len != 0) {
WARN_LOG(WIIMOTE, "Dropping wiimote packet, queue full [id %i]",
wm->unid);
return;
}
memcpy(wm->queue[wm->writer].data, data, length);
wm->queue[wm->writer].len = length;
wm->writer++;
wm->outstanding++;
if (wm->writer == QUEUE_SIZE)
wm->writer = 0;
if (wm->outstanding > wm->watermark) {
wm->watermark = wm->outstanding;
WARN_LOG(WIIMOTE, "New wiimote queue watermark %i [id %i]",
wm->watermark, wm->unid);
}
CFRunLoopStop(CFRunLoopGetCurrent());
(void)UpdateSystemActivity(1);
}
- (void) l2capChannelClosed: (IOBluetoothL2CAPChannel *) l2capChannel
{
IOBluetoothDevice *device = [l2capChannel getDevice];
struct wiimote_t *wm = NULL;
for (int i = 0; i < MAX_WIIMOTES; i++) {
if (motes[i] == NULL)
continue;
if ([device isEqual: motes[i]->btd] == TRUE)
wm = motes[i];
if (i == MAX_WIIMOTES && wm == NULL) {
WARN_LOG(WIIMOTE, "Received packet for unknown wiimote");
return;
}
}
WARN_LOG(WIIMOTE, "L2CAP channel was closed [id %i]", wm->unid);
if (l2capChannel == wm->cchan)
wm->cchan = nil;
if (l2capChannel == wm->ichan)
wm->ichan = nil;
}
@end
/**
* @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 timing out.
*
* @return The number of wiimotes found.
*
* @see wiiuse_connect()
*
* This function will only look for wiimote devices.
* When a device is found the address in the structures will be set.
* You can then call wiiuse_connect() to connect to the found
* devices.
*/
int wiiuse_find(struct wiimote_t **wm, int max_wiimotes, int timeout)
{
IOBluetoothHostController *bth;
IOBluetoothDeviceInquiry *bti;
SearchBT *sbt;
NSEnumerator *en;
int i, found_devices = 0;
if (max_wiimotes > MAX_WIIMOTES)
return 0;
bth = [[IOBluetoothHostController alloc] init];
if ([bth addressAsString] == nil)
{
WARN_LOG(WIIMOTE, "No bluetooth host controller");
[bth release];
return 0;
}
sbt = [[SearchBT alloc] init];
sbt->maxDevices = max_wiimotes;
bti = [[IOBluetoothDeviceInquiry alloc] init];
[bti setDelegate: sbt];
[bti setInquiryLength: timeout];
[bti setSearchCriteria: kBluetoothServiceClassMajorAny
majorDeviceClass: kBluetoothDeviceClassMajorPeripheral
minorDeviceClass: kBluetoothDeviceClassMinorPeripheral2Joystick
];
[bti setUpdateNewDeviceNames: FALSE];
IOReturn ret = [bti start];
if (ret == kIOReturnSuccess)
[bti retain];
else
ERROR_LOG(WIIMOTE, "Unable to do bluetooth discovery");
CFRunLoopRun();
[bti stop];
found_devices = [[bti foundDevices] count];
NOTICE_LOG(WIIMOTE, "Found %i bluetooth device%c", found_devices,
found_devices == 1 ? '\0' : 's');
en = [[bti foundDevices] objectEnumerator];
for (i = 0; i < found_devices; i++) {
wm[i]->btd = [en nextObject];
WIIMOTE_ENABLE_STATE(wm[i], WIIMOTE_STATE_DEV_FOUND);
motes[i] = wm[i];
}
for (i = found_devices; i < MAX_WIIMOTES; i++)
motes[i] = NULL;
[bth release];
[bti release];
[sbt release];
return found_devices;
}
/**
* @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 i, connected = 0;
for (i = 0; i < wiimotes; ++i)
{
if (!WIIMOTE_IS_SET(wm[i], WIIMOTE_STATE_DEV_FOUND))
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)
{
ConnectBT *cbt = [[ConnectBT alloc] init];
if (wm == NULL || WIIMOTE_IS_CONNECTED(wm))
return 0;
[wm->btd openL2CAPChannelSync: &wm->cchan
withPSM: kBluetoothL2CAPPSMHIDControl delegate: cbt];
[wm->btd openL2CAPChannelSync: &wm->ichan
withPSM: kBluetoothL2CAPPSMHIDInterrupt delegate: cbt];
if (wm->ichan == NULL || wm->cchan == NULL) {
ERROR_LOG(WIIMOTE, "Unable to open L2CAP channels [id %i]",
wm->unid);
wiiuse_disconnect(wm);
}
NOTICE_LOG(WIIMOTE, "Connected to wiimote at %s [id %i]",
[[wm->btd getAddressString] UTF8String], wm->unid);
WIIMOTE_ENABLE_STATE(wm, WIIMOTE_STATE_CONNECTED);
wiiuse_set_report_type(wm);
[cbt release];
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 == NULL)
return;
NOTICE_LOG(WIIMOTE, "Disconnecting wiimote [id %i]", wm->unid);
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_CONNECTED);
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_HANDSHAKE);
[wm->cchan closeChannel];
[wm->ichan closeChannel];
[wm->btd closeConnection];
}
int wiiuse_io_read(struct wiimote_t *wm)
{
int bytes;
if (!WIIMOTE_IS_CONNECTED(wm))
return 0;
if (wm->outstanding == 0)
CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1, true);
if (wm->queue[wm->reader].len == 0)
return 0;
bytes = wm->queue[wm->reader].len;
memcpy(wm->event_buf, wm->queue[wm->reader].data, bytes);
wm->queue[wm->reader].len = 0;
wm->reader++;
wm->outstanding--;
if (wm->reader == QUEUE_SIZE)
wm->reader = 0;
if (wm->event_buf[0] == '\0')
bytes = 0;
return bytes;
}
int wiiuse_io_write(struct wiimote_t *wm, byte *buf, int len)
{
IOReturn ret;
ret = [wm->cchan writeAsync: buf length: len refcon: nil];
if (ret == kIOReturnSuccess)
return len;
else
return 0;
}