btstack/platforms/ios/example/WiiMoteOpenGLDemo/Classes/WiiMoteOpenGLDemoAppDelegate.m
2014-11-06 23:18:59 +00:00

303 lines
9.3 KiB
Objective-C

/*
* Copyright (C) 2009 by Matthias Ringwald
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
//
// WiiMoteOpenGLDemoAppDelegate.m
//
// Created by Matthias Ringwald on 8/2/09.
//
#import "WiiMoteOpenGLDemoAppDelegate.h"
#import "BTstack/BTDevice.h"
#import "EAGLView.h"
#import "EAGLViewController.h"
#import <btstack/btstack.h>
#import <btstack/run_loop.h>
#import <btstack/hci_cmds.h>
@interface UIDevice (privateAPI)
-(BOOL) isWildcat;
@end
// quaternion rotation library
float norm(float *vector, int dim);
void normalizeVector(float *vector, int dim);
void getRotationMatrixFromVectors(float vin[3], float vout[3], float matrix[4][4]);
float getRotationAngle(float matrix[4][4]);
BTDevice *device;
uint16_t wiiMoteConHandle = 0;
uint16_t hidControl = 0;
uint16_t hidInterrupt = 0;
#define SIZE 5
int counter;
// define the rest position
float restPosition[3] = {0,0,1};
// static float restPosition2[3] = {0,0,-1};
#define histSize 5
int histX[histSize];
int histY[histSize];
int histZ[histSize];
static float addToHistory(int history[histSize], int value){
int i;
float sum = 0;
for (i=0; i<histSize-1;i++){
history[i] = history[i+1];
sum += history[i];
}
history[histSize-1] = value;
return sum/histSize;
}
@implementation WiiMoteOpenGLDemoAppDelegate
@synthesize window;
@synthesize glView;
@synthesize navControl;
@synthesize glViewControl;
-(void) handleBtDataWithX:(uint8_t) x andY:(uint8_t) y andZ:(uint8_t) z{
// NSLog(@"Data 0x%02x, 0x%02x, 0x%02x", x, y, z);
float accData[3];
accData[0] = addToHistory( histX, 1 * (x - 128));
accData[1] = addToHistory( histY, 1 * (y - 128));
accData[2] = addToHistory( histZ, 1 * (z - 128));
[glView setRotationX:0 Y:(accData[0] * 5) Z:0];
// NSLog(@"Set Rotation: %f", accData[0]);
return;
float rotationMatrix[4][4];
#if 0
// fancy stuff to fololow
getRotationMatrixFromVectors(restPosition, accData, rotationMatrix);
float rotationAngle = getRotationAngle(rotationMatrix) * 180/M_PI;
#if 1
if (rotationAngle >= 90){
getRotationMatrixFromVectors(restPosition, accData, rotationMatrix);
[glView setRotationX:0 Y:180 Z:0];
} else {
[glView setRotationX:0 Y:0 Z:0];
}
#endif
#if 0
// float frontV[3] ={ 1, 0, 0};
float projectectFrontV[3];
projectectFrontV[0] = rotationMatrix[0][0];
projectectFrontV[1] = rotationMatrix[1][0];
projectectFrontV[2] = rotationMatrix[2][0];
float correctionZ = atan2(projectectFrontV[1], projectectFrontV[0]) * 180/M_PI;
NSLog(@"%f, %f, %f - angle %f - dir %f, %f=> %f\n", accData[0], accData[1], accData[2], rotationAngle,
projectectFrontV[0], projectectFrontV[1], correctionZ);
// if (rotationAngle >= 90){
// [[theMainApp glView] setRotationX:0 Y:0 Z:-correctionZ];
// }
#endif
#endif
[glView setRotationMatrix:rotationMatrix];
}
// direct access
-(void) btstackManager:(BTstackManager*) manager
handlePacketWithType:(uint8_t) packet_type
forChannel:(uint16_t) channel
andData:(uint8_t *)packet
withLen:(uint16_t) size
{
bd_addr_t event_addr;
switch (packet_type) {
case L2CAP_DATA_PACKET:
if (packet[0] == 0xa1 && packet[1] == 0x31){
[self handleBtDataWithX:packet[4] andY:packet[5] andZ:packet[6]];
}
break;
case HCI_EVENT_PACKET:
switch (packet[0]){
case HCI_EVENT_COMMAND_COMPLETE:
if ( COMMAND_COMPLETE_EVENT(packet, hci_write_authentication_enable) ) {
// connect to device
bt_send_cmd(&l2cap_create_channel, [device address], PSM_HID_CONTROL);
}
break;
case HCI_EVENT_PIN_CODE_REQUEST:
bt_flip_addr(event_addr, &packet[2]);
if (BD_ADDR_CMP([device address], event_addr)) break;
// inform about pin code request
NSLog(@"HCI_EVENT_PIN_CODE_REQUEST\n");
bt_send_cmd(&hci_pin_code_request_reply, event_addr, 6, &packet[2]); // use inverse bd_addr as PIN
break;
case L2CAP_EVENT_CHANNEL_OPENED:
if (packet[2] == 0) {
// inform about new l2cap connection
bt_flip_addr(event_addr, &packet[3]);
uint16_t psm = READ_BT_16(packet, 11);
uint16_t source_cid = READ_BT_16(packet, 13);
uint16_t dest_cid = READ_BT_16(packet, 15);
wiiMoteConHandle = READ_BT_16(packet, 9);
NSLog(@"Channel successfully opened: handle 0x%02x, psm 0x%02x, source cid 0x%02x, dest cid 0x%02x",
wiiMoteConHandle, psm, source_cid, dest_cid);
if (psm == PSM_HID_CONTROL) {
// control channel openedn succesfully, now open interrupt channel, too.
hidControl = source_cid;
bt_send_cmd(&l2cap_create_channel, event_addr, PSM_HID_INTERRUPT);
} else {
// request acceleration data..
hidInterrupt = source_cid;
uint8_t setMode31[] = { 0xa2, 0x12, 0x00, 0x31 };
bt_send_l2cap( hidInterrupt, setMode31, sizeof(setMode31));
uint8_t setLEDs[] = { 0xa2, 0x11, 0x10 };
bt_send_l2cap( hidInterrupt, setLEDs, sizeof(setLEDs));
// start demo
[self startDemo];
}
}
break;
default:
break;
}
break;
default:
break;
}
}
- (void)startDemo {
NSLog(@"startDemo");
// stop connection icon
[device setConnectionState:kBluetoothConnectionConnected];
// prepare glView
glView = (EAGLView *) [glViewControl view];
glView.animationInterval = 1.0 / 60.0;
// push glViewControl on stack
[navControl pushViewController:glViewControl animated:YES];
// let's go
[glView startAnimation];
}
- (void)applicationDidFinishLaunching:(UIApplication *)application {
// create discovery controller
discoveryView = [[BTDiscoveryViewController alloc] init];
[discoveryView setDelegate:self];
// footer text
CGRect newFrame = CGRectMake(0.0, 0.0, discoveryView.tableView.bounds.size.width, 100);
UIView *footerView = [[UIView alloc] initWithFrame:newFrame];
UIDevice * uiDevice = [UIDevice currentDevice];
float margin = ([uiDevice respondsToSelector:@selector(isWildcat)] && [uiDevice isWildcat]) ? 50 : 20;
UITextView *footer = [[UITextView alloc] initWithFrame:CGRectMake(margin,10,discoveryView.tableView.bounds.size.width - 2 * margin ,85)];
footer.text = @"Please make your WiiMote discoverable by pressing the little RED SYNC button.";
footer.font = [UIFont fontWithName:@"Arial" size:18];
footer.backgroundColor = [UIColor groupTableViewBackgroundColor];
footer.editable = false;
[footerView addSubview:footer];
[[discoveryView tableView] setTableFooterView:footerView];
// TODO fix
// [discoveryView setAllowSelection:NO];
// create view controller
glViewControl = [[EAGLViewController alloc] init];
navControl = [[UINavigationController alloc] initWithRootViewController:discoveryView];
window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
[window addSubview:navControl.view];
[window makeKeyAndVisible];
// BTstack
BTstackManager * bt = [BTstackManager sharedInstance];
[bt setDelegate:self];
[bt addListener:self];
[bt addListener:discoveryView];
BTstackError err = [bt activate];
if (err) NSLog(@"activate err 0x%02x!", err);
}
// new
-(void) activatedBTstackManager:(BTstackManager*) manager {
NSLog(@"activated!");
[[BTstackManager sharedInstance] startDiscovery];
}
-(void) btstackManager:(BTstackManager*)manager deviceInfo:(BTDevice*)newDevice {
NSLog(@"Device Info: addr %@ name %@ COD 0x%06x", [newDevice addressString], [newDevice name], [newDevice classOfDevice] );
if ([newDevice name] && [[newDevice name] hasPrefix:@"Nintendo RVL-CNT-01"]){
NSLog(@"WiiMote found with address %@", [newDevice addressString]);
device = newDevice;
[[BTstackManager sharedInstance] stopDiscovery];
}
}
-(void) discoveryStoppedBTstackManager:(BTstackManager*) manager {
NSLog(@"discoveryStopped!");
bt_send_cmd(&hci_write_authentication_enable, 0);
}
- (void)dealloc {
[window release];
[glView release];
[super dealloc];
}
@end