dolphin/Externals/WiiUseSrc/Src/io_osx.m

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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 *nix.
*/
#define BLUETOOTH_VERSION_USE_CURRENT
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
//osx inlcude
#import <Foundation/NSObject.h>
#import <IOBluetooth/objc/IOBluetoothDevice.h>
#import <IOBluetooth/objc/IOBluetoothDeviceInquiry.h>
#import <IOBluetooth/objc/IOBluetoothL2CAPChannel.h>
#import <IOBluetooth/objc/IOBluetoothHostController.h>
IOBluetoothDeviceInquiry *bti;
IOBluetoothDevice * btd;
IOBluetoothL2CAPChannel * _ichan;
IOBluetoothL2CAPChannel * _cchan;
#include "definitions.h"
#include "wiiuse_internal.h"
#include "io.h"
byte DataFromWiimote[MAX_PAYLOAD];
NSUInteger g_length;
static int wiiuse_connect_single(struct wiimote_t* wm, char* address);
@interface SearchBT: NSObject {}
-(void) deviceInquiryComplete: (IOBluetoothDeviceInquiry*) sender
error: (IOReturn) error
aborted: (BOOL) aborted;
-(void) deviceInquiryDeviceFound: (IOBluetoothDeviceInquiry*) sender
device: (IOBluetoothDevice*) device;
@end
@interface ConnectBT: NSObject {}
-(void) connectToWiimotes;
- (IOBluetoothL2CAPChannel *) openL2CAPChannelWithPSM:(BluetoothL2CAPPSM) psm delegate:(id) delegate;
@end
@implementation ConnectBT
-(void)writeToWiimote: (void *)data length:(UInt16)length
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
[_cchan writeSync:data length:length];
usleep(10000);
[pool release];
}
#pragma mark -
#pragma mark Bluetooth
- (void) l2capChannelOpenComplete:(IOBluetoothL2CAPChannel*) l2capChannel status:(IOReturn) error {
//channel opened
//something to do here ?
}
- (void)l2capChannelData:(IOBluetoothL2CAPChannel *) l2capChannel data:(byte *)BtData length:(NSUInteger)length {
//here we got data from wiimote
memcpy(DataFromWiimote, BtData, MAX_PAYLOAD);
g_length = length;
//stop the main loop after reading
CFRunLoopStop( CFRunLoopGetCurrent() );
}
- (void) l2capChannelClosed:(IOBluetoothL2CAPChannel*) l2capChannel {
//channel closed
printf("Bt channel closed\n");
if (l2capChannel == _cchan)
_cchan = nil;
if (l2capChannel == _ichan)
_ichan = nil;
}
#pragma mark -
- (IOBluetoothL2CAPChannel *) openL2CAPChannelWithPSM:(BluetoothL2CAPPSM) psm delegate:(id) delegate {
IOBluetoothL2CAPChannel * channel = nil;
IOReturn ret = kIOReturnSuccess;
WIIUSE_INFO("Open channel (PSM:%i) ...", psm);
if ((ret = (IOReturn)[btd openL2CAPChannelSync:&channel withPSM:psm delegate:delegate]) != kIOReturnSuccess) {
WIIUSE_INFO("Could not open L2CAP channel (psm:%i)", psm);
channel = nil;
//TODO : close the connection
}
return channel;
}
-(void) connectToWiimotes {
NSEnumerator * en = [[bti foundDevices] objectEnumerator];
id device = nil;
while ((device = [en nextObject]) != nil) {
btd = device;
[btd openL2CAPChannelSync:&_cchan withPSM:kBluetoothL2CAPPSMHIDControl delegate:self];
if (!_cchan)
WIIUSE_INFO("error when initialised cchan");
usleep (20000);
[btd openL2CAPChannelSync:&_ichan withPSM:kBluetoothL2CAPPSMHIDInterrupt delegate:self];
if (!_ichan)
WIIUSE_INFO("error when initialised ichan");
usleep (20000);
}
}
@end
@implementation SearchBT
-(void) deviceInquiryComplete: (IOBluetoothDeviceInquiry*) sender
error: (IOReturn) error
aborted: (BOOL) aborted
{
//int founded = [[bti foundDevices] count];
CFRunLoopStop( CFRunLoopGetCurrent() );
}
-(void) deviceInquiryDeviceFound: (IOBluetoothDeviceInquiry*) sender
device: (IOBluetoothDevice*) device
{
WIIUSE_INFO("discovered one wiimote: %s", [[device getAddressString] UTF8String]);
[bti stop];
}
@end
SearchBT *sbt;
ConnectBT *cbt;
void detectWiimote(int timeout) {
[bti setDelegate: sbt];
[bti setInquiryLength:timeout];
[bti setSearchCriteria:kBluetoothServiceClassMajorAny majorDeviceClass:0x05 minorDeviceClass:0x01];
[bti setUpdateNewDeviceNames:NO];
IOReturn ret = [bti start];
if (ret == kIOReturnSuccess)
[bti retain];
else
{
WIIUSE_INFO("error when detecting wiimote");
[bti setDelegate: nil];
bti = nil;
}
}
/**
* @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 found_devices;
int found_wiimotes;
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
IOBluetoothHostController *bth = [[IOBluetoothHostController alloc] init];
if([bth addressAsString] == nil)
{
// Method addressAsString will return nil since it can't find a device
WIIUSE_INFO("No BT device");
[bth release];
[pool release];
return 0; // 0 Wiimotes found
}
sbt = [[SearchBT alloc] init];
cbt = [[ConnectBT alloc] init];
bti = [[IOBluetoothDeviceInquiry alloc] init];
detectWiimote(timeout);
CFRunLoopRun();
found_wiimotes = 0;
WIIUSE_INFO("Found %i bluetooth device(s).", found_devices);
WIIMOTE_ENABLE_STATE(wm[found_wiimotes], WIIMOTE_STATE_DEV_FOUND);
[bth release];
[bti release];
[sbt release];
[cbt release];
[pool release];
return 1;
}
/**
* @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 = 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;
}*/
wiiuse_connect_single(wm[i], NULL);
//return connected;
return 1;
}
/**
* @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) {
if (!wm || WIIMOTE_IS_CONNECTED(wm))
return 0;
//connect to the wiimote
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
cbt = [[ConnectBT alloc] init];
//start to connect to the wiimotes
[cbt connectToWiimotes];
usleep (200000); // Little delay, or else the device isn't ready!
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);
[pool 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 || WIIMOTE_IS_CONNECTED(wm))
return;
//TODO
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_CONNECTED);
WIIMOTE_DISABLE_STATE(wm, WIIMOTE_STATE_HANDSHAKE);
}
int wiiuse_io_read(struct wiimote_t* wm) {
if (!WIIMOTE_IS_SET(wm, WIIMOTE_STATE_CONNECTED))
return 0;
/* if this wiimote is not connected, skip it */
if (!WIIMOTE_IS_CONNECTED(wm))
return 0;
//run the main loop to get bt data
CFRunLoopRun();
memcpy(wm->event_buf,DataFromWiimote, g_length);
if(!g_length || !wm->event_buf[0]) // no packet
return 0;
wm->event_buf[0] = 0xa2; // Make sure it's 0xa2, just in case
return 1;
}
int wiiuse_io_write(struct wiimote_t* wm, byte* buf, int len) {
[cbt writeToWiimote:buf length:len];
return 1;
}