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BLE蓝牙开发持续更新,BLE蓝牙开发

在写那几个博客以前,空余时间抽看了近八个月的文书档案和 德姆o,系统给的疏解很详细,接口也相比实用,唯唯有一点,对于设备的有一无二标示,英特网仁者见仁智者见智,在这里地自身近年来也还并未有和谐的看法,只是在持续的测验各类场馆,亲测同一设备的 UUID 对于每台 HTC设备都不均等,只可以硬着头皮确认保证设施的独一性,极度是自动重连的进程,让客商并未有感知。小编在此以前也找了十分久,开采CBCentralManager 和 CBPeripheral 里边都找不到和Mac地址有关的东西,后来意识日常是外设在 Device Information 服务中的有个别特征重回的。经过与硬件技术员的情商,决定 应用程式 端将从那一个服务中拿走到蓝牙5.0器材以至自己的 Nokia 手提式无线电电话机的Bluetooth Mac 地址,为自动三番若干次的独一性做筹划。

蓝牙( Bluetooth® 卡塔尔开拓

图片 1

  • iOS的蓝牙5.0开采很简短,只要包罗三个库,创设CBCentralManager实例,实今世理方法,然后就足以一贯和配备开展通信。
  • 察觉周围的特定蓝牙5.0设备
#import <CoreBluetooth/CoreBluetooth.h>
  • 先是可以定义一些就要使用到的UUID的宏
#define kPeripheralName     @"360qws Electric Bike Service" //外围设备名称
#define kServiceUUID        @"7CACEB8B-DFC4-4A40-A942-AAD653D174DC" //服务的UUID
#define kCharacteristicUUID @"282A67B2-8DAB-4577-A42F-C4871A3EEC4F" //特征的UUID
  • 假设不是把手提式有线电话机作为基本设备的话,那几个从没必要设置。这里未有应用,仅仅是提了瞬间,具体操作后续加多。
    对此生成UUID,能够谷歌时而,直接通过mac终端转移33个人UUID。
  • 宣称属性
@property (weak, nonatomic) IBOutlet UITableView *bluetoothTable;
@property (weak, nonatomic) IBOutlet UITextView *resultTextView;
@property BOOL cbReady;
@property(nonatomic) float batteryValue;
@property (nonatomic, strong) CBCentralManager *manager;
@property (nonatomic, strong) CBPeripheral *peripheral;
@property (strong ,nonatomic) CBCharacteristic *writeCharacteristic;
@property (strong,nonatomic) NSMutableArray *nDevices;
@property (strong,nonatomic) NSMutableArray *nServices;
@property (strong,nonatomic) NSMutableArray *nCharacteristics;
  • 据守公约(这里小编利用了table卡塔尔国
@interface ViewController () <CBCentralManagerDelegate, CBPeripheralDelegate, UITableViewDataSource, UITableViewDelegate>
  • 最早化数据
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    self.manager = [[CBCentralManager alloc] initWithDelegate:self queue:nil];
    _cbReady = false;
    _nDevices = [[NSMutableArray alloc]init];
    _nServices = [[NSMutableArray alloc]init];
    _nCharacteristics = [[NSMutableArray alloc]init];
    _bluetoothTable.delegate = self;
    _bluetoothTable.dataSource = self;
    count = 0;
  • 得以达成蓝牙5.0的商业事务方式

此地通过和硬件技术员的测量试验,开掘设备端在获取手提式有线电话机蓝牙MAC地址的时候,当客商手提式有线电话机重启之后,那几个地方也是会自由变化的,也正是说,作为开辟者,独有设备的 MAC 地址能够维持独一性不成形。

(1)检查评定Bluetooth状态
//开始查看服务,蓝牙开启-(void)centralManagerDidUpdateState:(CBCentralManager *)central
{    switch (central.state) {        case CBCentralManagerStatePoweredOn:
        {
            [self updateLog:@"蓝牙已打开,请扫描外设"];
            [_activity startAnimating];
            [_manager scanForPeripheralsWithServices:@[[CBUUID UUIDWithString:@"FF15"]]  options:@{CBCentralManagerScanOptionAllowDuplicatesKey : @YES }];
        }            break;        case CBCentralManagerStatePoweredOff:
            [self updateLog:@"蓝牙没有打开,请先打开蓝牙"];            break;        default:            break;
  • 注:
[_manager scanForPeripheralsWithServices:@[[CBUUID UUIDWithString:@"FF15"]]  options:@{CBCentralManagerScanOptionAllowDuplicatesKey : @YES }];
中间的@[[CBUUID UUIDWithString:@"FF15"]]
是为了过滤掉其他设备,可以搜索特定标示的设备。

图片 2ble.png

(2)检查实验到外设后,停止扫描,连接装置
//查到外设后,停止扫描,连接设备-(void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI
{
    [self updateLog:[NSString stringWithFormat:@"已发现 peripheral: %@ rssi: %@, UUID: %@ advertisementData: %@ ", peripheral, RSSI, peripheral.identifier, advertisementData]];
    _peripheral = peripheral;
    [_manager connectPeripheral:_peripheral options:nil];

    [self.manager stopScan];
    [_activity stopAnimating];    BOOL replace = NO;    // Match if we have this device from before
    for (int i=0; i < _nDevices.count; i  ) {
        CBPeripheral *p = [_nDevices objectAtIndex:i];        if ([p isEqual:peripheral]) {
            [_nDevices replaceObjectAtIndex:i withObject:peripheral];
            replace = YES;
        }
    }    if (!replace) {
        [_nDevices addObject:peripheral];
        [_bluetoothTable reloadData];
    }

有疑问的爱人能够先去这里瞅一瞅 蓝牙( Bluetooth® 卡塔尔国 4.0的智能硬件示例

(3)连接外设后的管理
//连接外设成功,开始发现服务- (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral {    NSLog(@"%@", [NSString stringWithFormat:@"成功连接 peripheral: %@ with UUID: %@",peripheral,peripheral.identifier]);
    [self updateLog:[NSString stringWithFormat:@"成功连接 peripheral: %@ with UUID: %@",peripheral,peripheral.identifier]];

    [self.peripheral setDelegate:self];
    [self.peripheral discoverServices:nil];
    [self updateLog:@"扫描服务"];
}
//连接外设失败-(void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error
{    NSLog(@"%@",error);
}
-(void)peripheralDidUpdateRSSI:(CBPeripheral *)peripheral error:(NSError *)error
{    NSLog(@"%s,%@",__PRETTY_FUNCTION__,peripheral);    int rssi = abs([peripheral.RSSI intValue]);    CGFloat ci = (rssi - 49) / (10 * 4.);    NSString *length = [NSString stringWithFormat:@"发现BLT4.0热点:%@,距离:%.1fm",_peripheral,pow(10,ci)];
    [self updateLog:[NSString stringWithFormat:@"距离:%@", length]];
}
  • 上面是两台 Motorola6 连接同一台蓝牙5.0设备的结果:
(4)开掘服务和查找到的Characteristice
//已发现服务-(void) peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error{

    [self updateLog:@"发现服务."];    int i=0;    for (CBService *s in peripheral.services) {
        [self.nServices addObject:s];
    }    for (CBService *s in peripheral.services) {
        [self updateLog:[NSString stringWithFormat:@"%d :服务 UUID: %@(%@)",i,s.UUID.data,s.UUID]];
        i  ;
        [peripheral discoverCharacteristics:nil forService:s];        if ([s.UUID isEqual:[CBUUID UUIDWithString:@"FF15"]]) {            BOOL replace = NO;            // Match if we have this device from before
            for (int i=0; i < _nDevices.count; i  ) {
                CBPeripheral *p = [_nDevices objectAtIndex:i];                if ([p isEqual:peripheral]) {
                    [_nDevices replaceObjectAtIndex:i withObject:peripheral];
                    replace = YES;
                }
            }            if (!replace) {
                [_nDevices addObject:peripheral];
                [_bluetoothTable reloadData];
            }
        }
    }
}
//已搜索到Characteristics-(void) peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError *)error{
    [self updateLog:[NSString stringWithFormat:@"发现特征的服务:%@ (%@)",service.UUID.data ,service.UUID]];    for (CBCharacteristic *c in service.characteristics) {
        [self updateLog:[NSString stringWithFormat:@"特征 UUID: %@ (%@)",c.UUID.data,c.UUID]];        if ([c.UUID isEqual:[CBUUID UUIDWithString:@"FF01"]]) {
            _writeCharacteristic = c;
        }        if ([c.UUID isEqual:[CBUUID UUIDWithString:@"FF02"]]) {
            [_peripheral readValueForCharacteristic:c];
            [_peripheral setNotifyValue:YES forCharacteristic:c];
        }        if ([c.UUID isEqual:[CBUUID UUIDWithString:@"FF04"]]) {
            [_peripheral readValueForCharacteristic:c];
        }        if ([c.UUID isEqual:[CBUUID UUIDWithString:@"FF05"]]) {
            [_peripheral readValueForCharacteristic:c];
            [_peripheral setNotifyValue:YES forCharacteristic:c];
        }        if ([c.UUID isEqual:[CBUUID UUIDWithString:@"FFA1"]]) {
            [_peripheral readRSSI];
        }

        [_nCharacteristics addObject:c];
    }
}
- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error {
    [self updateLog:[NSString stringWithFormat:@"已断开与设备:[%@]的连接", peripheral.name]];
}
(5)获取外设发来的数目
//获取外设发来的数据,不论是read和notify,获取数据都是从这个方法中读取。- (void)peripheral:(CBPeripheral *)peripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error
{    if ([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"FF02"]]) {        NSData * data = characteristic.value;
        Byte * resultByte = (Byte *)[data bytes];        for(int i=0;i<[data length];i  )
            printf("testByteFF02[%d] = %dn",i,resultByte[i]);        if (resultByte[1] == 0) {            switch (resultByte[0]) {                case 3: // 加解锁
                {                    if (resultByte[2] == 0) {
                        [self updateLog:@"撤防成功!!!"];
                    }else if (resultByte[2] == 1) {
                        [self updateLog:@"设防成功!!!"];
                    }
                }                    break;                case 4: // 开坐桶
                {                    if (resultByte[2] == 0) {
                        [self updateLog:@"关坐桶成功!!!"];
                    }else if (resultByte[2] == 1) {
                        [self updateLog:@"开坐桶成功!!!"];
                    }
                }                    break;                case 5: // 锁定电机
                {                    if (resultByte[2] == 0) {
                        [self updateLog:@"解锁电机控制器成功!!!"];
                    }else if (resultByte[2] == 1) {
                        [self updateLog:@"锁定电机控制器成功!!!"];
                    }
                }                    break;                default:                    break;
            }
        }else if (resultByte[1] == 1) {
            [self updateLog:@"未知错误"];
        }else if (resultByte[1] == 2) {
            [self updateLog:@"鉴权失败"];
        }
    }    if ([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"FF04"]]) {        NSData * data = characteristic.value;
        Byte * resultByte = (Byte *)[data bytes];        for(int i=0;i<[data length];i  )
            printf("testByteFF04[%d] = %dn",i,resultByte[i]);        if (resultByte[0] == 0) {            // 未绑定 -》写鉴权码
            [self updateLog:@"当前车辆未绑定,请鉴权"];
            [self authentication];  // 鉴权
            [self writePassword:nil newPw:nil];
        }else if (resultByte[0] == 1) {            // 已绑定 -》鉴权
            [self updateLog:@"当前车辆已经绑定,请鉴权"];
            [self writePassword:nil newPw:nil];
        }else if (resultByte[0] == 2) {            // 允许绑定
            [self updateLog:@"当前车辆允许绑定"];
        }
    }    if ([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"FF05"]]) {        NSData * data = characteristic.value;
        Byte * resultByte = (Byte *)[data bytes];        for(int i=0;i<[data length];i  )
            printf("testByteFF05[%d] = %dn",i,resultByte[i]);        if (resultByte[0] == 0) {            // 设备加解锁状态 0 撤防     1 设防
            [self updateLog:@"当前车辆撤防状态"];
        }else if (resultByte[0] == 1) {            // 设备加解锁状态 0 撤防     1 设防
            [self updateLog:@"当前车辆设防状态"];
        }
    }
}//中心读取外设实时数据- (void)peripheral:(CBPeripheral *)peripheral didUpdateNotificationStateForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error {    if (error) {        NSLog(@"Error changing notification state: %@", error.localizedDescription);
    }    // Notification has started
    if (characteristic.isNotifying) {
        [peripheral readValueForCharacteristic:characteristic];

    } else { // Notification has stopped
        // so disconnect from the peripheral
        NSLog(@"Notification stopped on %@.  Disconnecting", characteristic);
        [self updateLog:[NSString stringWithFormat:@"Notification stopped on %@.  Disconnecting", characteristic]];
        [self.manager cancelPeripheralConnection:self.peripheral];
    }
}//用于检测中心向外设写数据是否成功-(void)peripheral:(CBPeripheral *)peripheral didWriteValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error
{    if (error) {        NSLog(@"=======%@",error.userInfo);
        [self updateLog:[error.userInfo JSONString]];
    }else{        NSLog(@"发送数据成功");
        [self updateLog:@"发送数据成功"];
    }    /* When a write occurs, need to set off a re-read of the local CBCharacteristic to update its value */
    [peripheral readValueForCharacteristic:characteristic];
}
**成功连接**** peripheral: <CBPeripheral: 0x1700f4500, identifier = 50084F69-BA5A-34AC-8A6E-6F0CEADB21CD, name = 555555555588, state = connected> with UUID: <__NSConcreteUUID 0x17003d980> 50084F69-BA5A-34AC-8A6E-6F0CEADB21CD************成功连接**** peripheral: <CBPeripheral: 0x1742e3000, identifier = 55B7D759-0F1E-6271-EA14-BC5A9C9EEEEC, name = 555555555588, state = connected> with UUID: <__NSConcreteUUID 0x174036c00> 55B7D759-0F1E-6271-EA14-BC5A9C9EEEEC**
(6)其余辅助性的
#pragma mark - 蓝牙的相关操作- (IBAction)bluetoothAction:(UIButton *)sender {    switch (sender.tag) {        case 201:
        {   // 搜索设备
            [self updateLog:@"正在扫描外设..."];
            [_activity startAnimating];
            [_manager scanForPeripheralsWithServices:@[[CBUUID UUIDWithString:@"FF15"]]  options:@{CBCentralManagerScanOptionAllowDuplicatesKey : @YES }];            double delayInSeconds = 30.0;            dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));
            dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
                [self.manager stopScan];
                [_activity stopAnimating];
                [self updateLog:@"扫描超时,停止扫描"];
            });
        }            break;        case 202:
        {   // 连接
            if (_peripheral && _cbReady) {
                [_manager connectPeripheral:_peripheral options:nil];
                _cbReady = NO;
            }
        }            break;        case 203:
        {   // 断开
            if (_peripheral && !_cbReady) {
                [_manager cancelPeripheralConnection:_peripheral];
                _cbReady = YES;
            }
        }            break;        case 204:
        {   // 暂停搜索
            [self.manager stopScan];
        }            break;        case 211:
        {   // 车辆上锁
            [self lock];
        }            break;        case 212:
        {   // 车辆解锁
            [self unLock];
        }            break;        case 213:
        {   // 开启坐桶
            [self open];
        }            break;        case 214:
        {   // 立即寻车
            [self find];
        }            break;        default:            break;
    }
}

-(NSOperationQueue *)queue {    if (!_queue) {  // 请求队列
        self.queue = [[NSOperationQueue alloc]init];
        [self.queue setMaxConcurrentOperationCount:1];
    }    return _queue;
}#pragma mark - 命令#pragma mark - 鉴权-(void)authentication {
    Byte byte[] = {1, 1, 2, 3, 4, 5, 6, 7, 8};    if (_peripheral.state == CBPeripheralStateConnected) {
        [_peripheral writeValue:[NSData dataWithBytes:byte length:9] forCharacteristic:_writeCharacteristic type:CBCharacteristicWriteWithoutResponse];
    }
}#pragma mark - 写密码 -(void)writePassword:(NSString *)initialPw newPw:(NSString *)newPw {
    Byte byte[] = {2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8};    if (_peripheral.state == CBPeripheralStateConnected) {
        [_peripheral writeValue:[NSData dataWithBytes:byte length:17] forCharacteristic:_writeCharacteristic type:CBCharacteristicWriteWithoutResponse];
    }
}#pragma mark - 车辆上锁-(void)lock {
    Byte byte[] = {3, 1};    if (_peripheral.state == CBPeripheralStateConnected) {
        [_peripheral writeValue:[NSData dataWithBytes:byte length:2] forCharacteristic:_writeCharacteristic type:CBCharacteristicWriteWithoutResponse];
    }
}#pragma mark - 车辆解锁-(void)unLock {
    Byte byte[] = {3, 0};    if (_peripheral.state == CBPeripheralStateConnected) {
        [_peripheral writeValue:[NSData dataWithBytes:byte length:2] forCharacteristic:_writeCharacteristic type:CBCharacteristicWriteWithoutResponse];
    }
}#pragma mark - 开启坐桶-(void)open {
    Byte byte[] = {4, 1};    if (_peripheral.state == CBPeripheralStateConnected) {
        [_peripheral writeValue:[NSData dataWithBytes:byte length:2] forCharacteristic:_writeCharacteristic type:CBCharacteristicWriteWithoutResponse];
    }
}#pragma mark - 立即寻车-(void)find {
    Byte byte[] = {7};    if (_peripheral.state == CBPeripheralStateConnected) {
        [_peripheral writeValue:[NSData dataWithBytes:byte length:1] forCharacteristic:_writeCharacteristic type:CBCharacteristicWriteWithoutResponse];
    }
}

-(NSData *)hexString:(NSString *)hexString {    int j=0;
    Byte bytes[20];    ///3ds key的Byte 数组, 128位
    for(int i=0; i<[hexString length]; i  )
    {        int int_ch;  /// 两位16进制数转化后的10进制数

        unichar hex_char1 = [hexString characterAtIndex:i]; ////两位16进制数中的第一位(高位*16)
        int int_ch1;        if(hex_char1 >= '0' && hex_char1 <='9')
            int_ch1 = (hex_char1-48)*16;   //// 0 的Ascll - 48
        else if(hex_char1 >= 'A' && hex_char1 <='F')
            int_ch1 = (hex_char1-55)*16; //// A 的Ascll - 65
        else
            int_ch1 = (hex_char1-87)*16; //// a 的Ascll - 97
        i  ;

        unichar hex_char2 = [hexString characterAtIndex:i]; ///两位16进制数中的第二位(低位)
        int int_ch2;        if(hex_char2 >= '0' && hex_char2 <='9')
            int_ch2 = (hex_char2-48); //// 0 的Ascll - 48
        else if(hex_char1 >= 'A' && hex_char1 <='F')
            int_ch2 = hex_char2-55; //// A 的Ascll - 65
        else
            int_ch2 = hex_char2-87; //// a 的Ascll - 97

        int_ch = int_ch1 int_ch2;
        NSLog(@"int_ch=%d",int_ch);
        bytes[j] = int_ch;  ///将转化后的数放入Byte数组里
        j  ;
    }

    NSData *newData = [[NSData alloc] initWithBytes:bytes length:20];    return newData;
}
  • 在和硬件之间的数据发送和经受,用的都以byte数组。最后,增加一个积累已三回九转过得设备
- (void) addSavedDevice:(CFUUIDRef)uuid {    NSArray *storedDevices = [[NSUserDefaults standardUserDefaults] arrayForKey:@"StoredDevices"];     NSMutableArray *newDevices = nil;    CFStringRef uuidString = NULL;    if (![storedDevices isKindOfClass:[NSArray class]]) {        NSLog(@"Can't find/create an array to store the uuid");        return;
    }

    newDevices = [NSMutableArray arrayWithArray:storedDevices];
    uuidString = CFUUIDCreateString(NULL, uuid);    if (uuidString) {
        [newDevices addObject:(__bridge NSString*)uuidString];        CFRelease(uuidString);
    }    /* Store */
    [[NSUserDefaults standardUserDefaults] setObject:newDevices forKey:@"StoredDevices"];
    [[NSUserDefaults standardUserDefaults] synchronize];
}

- (void) loadSavedDevices {    NSArray *storedDevices = [[NSUserDefaults standardUserDefaults] arrayForKey:@"StoredDevices"];    if (![storedDevices isKindOfClass:[NSArray class]]) {         NSLog(@"No stored array to load");        return;
    }    for (id deviceUUIDString in storedDevices) {        if (![deviceUUIDString isKindOfClass:[NSString class]]) continue;        CFUUIDRef uuid = CFUUIDCreateFromString(NULL, (CFStringRef)deviceUUIDString);        if (!uuid) continue;
        [CBCentralManager retrievePeripherals:[NSArray arrayWithObject:(__bridge id)uuid]];        CFRelease(uuid);
    }
}//And the delegate function for the Retrieve Peripheral- (void) centralManager:(CBCentralManager *)central didRetrieveConnectedPeripherals:(NSArray *)peripherals {
    CBPeripheral *peripheral;    /* Add to list. */
    for (peripheral in peripherals) {
         [central connectPeripheral:peripheral options:nil];
    }
}

 - (void) centralManager:(CBCentralManager *)central didRetrievePeripheral:(CBPeripheral *)peripheral {
    [central connectPeripheral:peripheral options:nil];
}

iOS 的蓝牙( Bluetooth® State of Qatar开荒很简短,只要包罗一个库,制造CBCentralManager 实例,实现代理方法,然后即可间接和装置开展通讯。

总结

图片 3发觉隔壁的特定蓝牙5.0设备

最重大是用UUID来鲜明你要干的业务,特征和服务的UUID都以外设定义好的。大家只供给读取,明确你要读取什么的时候,就去剖断UUID是或不是合乎。 经常的话大家应用的诺基亚都以做centralManager的,Bluetooth模块是peripheral的,所以大家是want datas,必要接收多少。
  1. 决断状态为powerOn,然后执行扫描
  2. 悬停扫描,连接外设
  3. 老是成功,寻找服务
  4. 在劳务里搜索特征
  5. 为特点增多通告,通告增加成功,那么就足以实时的读取value[也正是说只要外设发送数据[诚如外设的频率为10Hz],代理就能够调用此措施]。
  6. 拍卖选取到的value,[hex值,得转换] 之后就自由发挥了,在那个时候期都是通过代办来促成的,也正是说你只须要管理你想要做的作业,代理会帮你调用方法。[别忘了增加代理]
#import <CoreBluetooth/CoreBluetooth.h>
关于write!!
  • 并非每个Characteristic都足以因而回调函数来查看它写入状态的。就比如针对 immediateAlertService(1802) 的 alertLevelCharacteristic(2A06),正是八个无法有response的Characteristic。刚起头作者就一向用CBCharacteristicWriteType.WithResponse来开展写入始终不成事,忧虑坏了,最终看看各类Characteristic还会有个属性值是提示那几个的,作者将各类Characteristic打字与印刷出来宛如下音信:
immediateAlertService Discover characteristic <CBCharacteristic: 0x15574d00, UUID = 2A06, properties = 0x4, value = (null), notifying = NO>
linkLossAlertService Discover characteristic <CBCharacteristic: 0x15671d00, UUID = 2A06, properties = 0xA, value = (null), notifying = NO>
  • 本条的properties是什么样刚最早不知晓,感觉她没意义,前边才注意到properties是Characteristic的二个参数,具体表明如下:
DeclarationSWIFTstruct CBCharacteristicProperties : RawOptionSetType {    init(_ value: UInt)    var value: UInt
    static var Broadcast: CBCharacteristicProperties { get }    static var Read: CBCharacteristicProperties { get }    static var WriteWithoutResponse: CBCharacteristicProperties { get }    static var Write: CBCharacteristicProperties { get }    static var Notify: CBCharacteristicProperties { get }    static var Indicate: CBCharacteristicProperties { get }    static var AuthenticatedSignedWrites: CBCharacteristicProperties { get }    static var ExtendedProperties: CBCharacteristicProperties { get }    static var NotifyEncryptionRequired: CBCharacteristicProperties { get }    static var IndicateEncryptionRequired: CBCharacteristicProperties { get }
}OBJECTIVE-Ctypedef enum {   CBCharacteristicPropertyBroadcast = 0x01,   CBCharacteristicPropertyRead = 0x02,   CBCharacteristicPropertyWriteWithoutResponse = 0x04,   CBCharacteristicPropertyWrite = 0x08,   CBCharacteristicPropertyNotify = 0x10,   CBCharacteristicPropertyIndicate = 0x20,   CBCharacteristicPropertyAuthenticatedSignedWrites = 0x40,   CBCharacteristicPropertyExtendedProperties = 0x80,   CBCharacteristicPropertyNotifyEncryptionRequired = 0x100,   CBCharacteristicPropertyIndicateEncryptionRequired = 0x200,
} CBCharacteristicProperties;
  • 能够见见0x04
    相应的是CBCharacteristicPropertyWriteWithoutResponse
    0x0A
    相应的是CBCharacteristicPropertyNotify
    故而 immediateAlertService(1802) 的 alertLevelCharacteristic(2A06)是不能够用CBCharacteristicWriteType.WithRespons进行写入,只好用CBCharacteristicWriteType.WithOutRespons。那样在随后的付出中能够对各样Characteristic的那么些参数举办自己商议再扩充设置。
    最终讲一下有关蓝牙5.0绑定的长河,在iOS中,未有讲当绑定的长河,直接正是扫描、连接、交互作用。进而比很多人会以为,连接便是绑定了,其实不然。在iOS开垦中,连接并不曾做到绑定,在英特网找到了个很好的表明:
    you cannot initiate pairing from the iOS central side. Instead, you have to read/write a characteristic value,and then let your peripheral respond with an "Insufficient Authentication" error.iOS will then initiate pairing, will store the keys for later use (bonding) and encrypts the link. As far as I know,it also caches discovery information, so that future connections can be set up faster.
    即便当爆发读写人机联作时,系统在会和外设进行绑定操作!!!
    ios蓝牙( Bluetooth® 卡塔尔国怎么样获取广播包数据
  • 如题,手机作为主设备,在应用Core蓝牙5.0( Bluetooth® 卡塔尔国时候,想获得蓝牙( Bluetooth® 卡塔尔国的多寡广播包。在利用
- (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)aPeripheral advertisementData:(
NSDictionary*)advertisementData RSSI:(NSNumber*)RSSI
  • 方法时候获得的advertisementData打字与印刷出来独有八个属性对应的值,但那决不广播包的多少。比方安卓能够经过scandata来博取到广播包的值,那么iOS那边笔者应该如何是好吧?
    相像苹果那边防止读取这种广播内容的的,真要的话你能够让硬件那边把多少产生kChina Basketball AssociationdvDataManufacturerData那一个字段里面。
** ****kCBAdvDataIsConnectable****kCBAdvDataLocalName****kCBAdvDataManufacturerData**

四个蓝牙5.04.0的智能硬件德姆o

第一能够定义一些就要使用到的 UUID 的宏

#define kPeripheralName @"360qws Electric Bike Service" //外围设备名称#define kServiceUUID @"7CACEB8B-DFC4-4A40-A942-AAD653D174DC" //服务的UUID#define kCharacteristicUUID @"282A67B2-8DAB-4577-A42F-C4871A3EEC4F" //特征的UUID

假诺不是把手提式有线电话机作为中央配备的话,这么些未有需要设置。这里自身也绝非运用,仅仅是提了弹指间,具体操作后续增多。

对于生成UUID,大家能够Google时而,间接通过 mac 终端生成 32 位 UUID。

  1. 表明属性
@property (weak, nonatomic) IBOutlet UITableView *bluetoothTable;@property (weak, nonatomic) IBOutlet UITextView *resultTextView;@property BOOL cbReady;@property(nonatomic) float batteryValue;@property (nonatomic, strong) CBCentralManager *manager;@property (nonatomic, strong) CBPeripheral *peripheral;@property (strong ,nonatomic) CBCharacteristic *writeCharacteristic;@property (strong,nonatomic) NSMutableArray *nDevices;@property (strong,nonatomic) NSMutableArray *nServices;@property (strong,nonatomic) NSMutableArray *nCharacteristics;
  1. 严守左券
@interface ViewController () <CBCentralManagerDelegate, CBPeripheralDelegate, UITableViewDataSource, UITableViewDelegate>
  1. 带头化数据
- viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. self.manager = [[CBCentralManager alloc] initWithDelegate:self queue:nil]; _cbReady = false; _nDevices = [[NSMutableArray alloc]init]; _nServices = [[NSMutableArray alloc]init]; _nCharacteristics = [[NSMutableArray alloc]init]; _bluetoothTable.delegate = self; _bluetoothTable.dataSource = self; count = 0;}
  1. 福寿康宁蓝牙( Bluetooth® 卡塔尔(قطر‎的左券格局
  • 质量评定蓝牙5.0状态

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