iOS传感器开发——加速度传感器，螺旋仪传感器，磁力传感器的应用

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//设备信息对象类

@interface UIAcceleration : NSObject

//加速度传感器的时间戳

@property(nonatomic,readonly) NSTimeInterval timestamp;

//x方向值

@property(nonatomic,readonly) UIAccelerationValue x;

//y方向值

@property(nonatomic,readonly) UIAccelerationValue y;

//z方向值

@property(nonatomic,readonly) UIAccelerationValue z;

@end

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//加速度管理类

@interface UIAccelerometer : NSObject 

//获取单例对象

+ (UIAccelerometer *)sharedAccelerometer;

//刷新频率

@property(nonatomic) NSTimeInterval updateInterval;

//代理

@property(nullable,nonatomic,weak) id<UIAccelerometerDelegate> delegate;

@end

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@protocol UIAccelerometerDelegate<NSObject>

@optional

- (void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration NS_DEPRECATED_IOS(2_0, 5_0)  __TVOS_PROHIBITED;

@end

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@interface ViewController ()<UIAccelerometerDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    [UIAccelerometer sharedAccelerometer].delegate=self;

    [UIAccelerometer sharedAccelerometer].updateInterval=1/60.0;

}

-(void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration{

    NSLog(@"\n%f\n%f\n%f",acceleration.x,acceleration.y,acceleration.z);

   // NSLog(@"%f",acceleration.timestamp);

}

@end

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typedef struct {

    double x;

    double y;

    double z;

} CMAcceleration;

@interface CMAccelerometerData : CMLogItem

{

@private

    id _internal;

}

//加速度的数据对象

@property(readonly, nonatomic) CMAcceleration acceleration;

@end

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typedef struct {

    double x;

    double y;

    double z; 

} CMRotationRate;

@interface CMGyroData : CMLogItem

{

@private

    id _internal;

}

//螺旋仪数据对象

@property(readonly, nonatomic) CMRotationRate rotationRate;

@end

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typedef struct {

    double x;

    double y;

    double z;

} CMMagneticField;

@interface CMMagnetometerData : CMLogItem

{

@private

    id _internal;

}

//磁力对象

@property(readonly, nonatomic) CMMagneticField magneticField;

@end

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@interface CMDeviceMotion : CMLogItem

{

@private

    id _internal;

}

//设备的状态对象

@property(readonly, nonatomic) CMAttitude *attitude;

//设备的角速度

@property(readonly, nonatomic) CMRotationRate rotationRate;

//设备的重力加速度

@property(readonly, nonatomic) CMAcceleration gravity;

//用户嫁给设备的加速度 设备的总加速度为重力加速度叫上用户给的加速度

@property(readonly, nonatomic) CMAcceleration userAcceleration;

//设备的磁场矢量对象

@property(readonly, nonatomic) CMCalibratedMagneticField magneticField NS_AVAILABLE(NA,5_0);

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@interface CMAttitude : NSObject <NSCopying, NSSecureCoding>

{

@private

    id _internal;

}

//设备的欧拉角roll

@property(readonly, nonatomic) double roll;

//设备的欧拉角pitch

@property(readonly, nonatomic) double pitch;

//设备的欧拉角yaw

@property(readonly, nonatomic) double yaw;

//设备状态的旋转矩阵

@property(readonly, nonatomic) CMRotationMatrix rotationMatrix;

//设备状态的四元数

@property(readonly, nonatomic) CMQuaternion quaternion;

@end

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- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    //创建管理对象

    manager= [[CMMotionManager alloc]init];

    //开启加速度更新

    [manager startAccelerometerUpdates];

    //开启螺旋仪更新

    [manager startGyroUpdates];

    //开启状态更新

    [manager startMagnetometerUpdates];

    //创建定时器

    NSTimer * time = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(updata) userInfo:nil repeats:YES];

    time.fireDate = [NSDate distantPast];

}

-(void)updata{

//获取数据

    NSLog(@"%f,%f,%f\n%f,%f,%f",manager.accelerometerData.acceleration.x,manager.accelerometerData.acceleration.y,manager.accelerometerData.acceleration.z,manager.gyroData.rotationRate.x,manager.gyroData.rotationRate.y,manager.gyroData.rotationRate.z);

}

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   //创建管理对象

    manager= [[CMMotionManager alloc]init];

    //在当前线程中回调

    [manager startAccelerometerUpdatesToQueue:[NSOperationQueue currentQueue] withHandler:^(CMAccelerometerData * _Nullable accelerometerData, NSError * _Nullable error) {

         NSLog(@"%f,%f,%f\n%f,%f,%f",manager.accelerometerData.acceleration.x,manager.accelerometerData.acceleration.y,manager.accelerometerData.acceleration.z,manager.gyroData.rotationRate.x,manager.gyroData.rotationRate.y,manager.gyroData.rotationRate.z);

    }];

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@interface CMMotionManager : NSObject

{

@private

    id _internal;

}

//设置加速度传感器更新帧率

@property(assign, nonatomic) NSTimeInterval accelerometerUpdateInterval __TVOS_PROHIBITED;

//加速度传感器是否可用

@property(readonly, nonatomic, getter=isAccelerometerAvailable) BOOL accelerometerAvailable __TVOS_PROHIBITED;

//加速度传感器是否激活

@property(readonly, nonatomic, getter=isAccelerometerActive) BOOL accelerometerActive __TVOS_PROHIBITED;

//加速度传感器数据对象

@property(readonly, nullable) CMAccelerometerData *accelerometerData __TVOS_PROHIBITED;

//pull方式开始更新加速度数据

- (void)startAccelerometerUpdates __TVOS_PROHIBITED;

//push方式更新加速度数据

- (void)startAccelerometerUpdatesToQueue:(NSOperationQueue *)queue withHandler:(CMAccelerometerHandler)handler __TVOS_PROHIBITED;

//停止更新加速度数据

- (void)stopAccelerometerUpdates __TVOS_PROHIBITED;

//螺旋仪传感器刷新帧率

@property(assign, nonatomic) NSTimeInterval gyroUpdateInterval __TVOS_PROHIBITED;

//螺旋仪是否可用

@property(readonly, nonatomic, getter=isGyroAvailable) BOOL gyroAvailable __TVOS_PROHIBITED;

//螺旋仪是否激活

@property(readonly, nonatomic, getter=isGyroActive) BOOL gyroActive __TVOS_PROHIBITED;

//螺旋仪数据

@property(readonly, nullable) CMGyroData *gyroData __TVOS_PROHIBITED;

//pull方式开始更新螺旋仪

- (void)startGyroUpdates __TVOS_PROHIBITED;

//push方式开始更新螺旋仪

- (void)startGyroUpdatesToQueue:(NSOperationQueue *)queue withHandler:(CMGyroHandler)handler __TVOS_PROHIBITED;

//停止更新螺旋仪

- (void)stopGyroUpdates __TVOS_PROHIBITED;

//磁力传感更新帧率

@property(assign, nonatomic) NSTimeInterval magnetometerUpdateInterval NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//设备磁力传感器是否可用

@property(readonly, nonatomic, getter=isMagnetometerAvailable) BOOL magnetometerAvailable NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//设备磁力传感器是否激活

@property(readonly, nonatomic, getter=isMagnetometerActive) BOOL magnetometerActive NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//设备磁力状态数据

@property(readonly, nullable) CMMagnetometerData *magnetometerData NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//pull方式更新设备磁力状态

- (void)startMagnetometerUpdates NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//push方式更新设备磁力状态

- (void)startMagnetometerUpdatesToQueue:(NSOperationQueue *)queue withHandler:(CMMagnetometerHandler)handler NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//停止更新设备状态

- (void)stopMagnetometerUpdates NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//设备状态更新帧率

@property(assign, nonatomic) NSTimeInterval deviceMotionUpdateInterval __TVOS_PROHIBITED;

//参考器枚举

+ (CMAttitudeReferenceFrame)availableAttitudeReferenceFrames NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

@property(readonly, nonatomic) CMAttitudeReferenceFrame attitudeReferenceFrame NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//设备运动信息是否可用

@property(readonly, nonatomic, getter=isDeviceMotionAvailable) BOOL deviceMotionAvailable __TVOS_PROHIBITED;

//设备运动信息是否激活

@property(readonly, nonatomic, getter=isDeviceMotionActive) BOOL deviceMotionActive __TVOS_PROHIBITED;

//设备运动信息对象

@property(readonly, nullable) CMDeviceMotion *deviceMotion __TVOS_PROHIBITED;

//pull方式开始刷新运动信息

- (void)startDeviceMotionUpdates __TVOS_PROHIBITED;

//push方式开始刷新运动信息

- (void)startDeviceMotionUpdatesToQueue:(NSOperationQueue *)queue withHandler:(CMDeviceMotionHandler)handler __TVOS_PROHIBITED;

//使用某个参考系

- (void)startDeviceMotionUpdatesUsingReferenceFrame:(CMAttitudeReferenceFrame)referenceFrame NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//push方式开始刷新设备运动信息

- (void)startDeviceMotionUpdatesUsingReferenceFrame:(CMAttitudeReferenceFrame)referenceFrame toQueue:(NSOperationQueue *)queue withHandler:(CMDeviceMotionHandler)handler NS_AVAILABLE(NA,5_0) __TVOS_PROHIBITED;

//停止刷新设备运动信息

- (void)stopDeviceMotionUpdates __TVOS_PROHIBITED;