蓝牙coreblueTooth

@interface ViewController : UIViewController
{
    CBCentralManager *theManager;
    CBPeripheral *thePerpher;
    CBCharacteristic *theSakeCC;
}


- (void)viewDidLoad {
    [super viewDidLoad];

    theManager = [[CBCentralManager alloc]initWithDelegate:self queue:nil];
    self.connectBtn.enabled = NO;
}

//当前蓝牙主设备状态
-(void)centralManagerDidUpdateState:(CBCentralManager *)central{
    if (central.state==CBCentralManagerStatePoweredOn) {
        self.title = @"蓝牙已就绪";
        self.connectBtn.enabled = YES;
    }else
    {
        self.title = @"蓝牙未准备好";
        [self.activeID stopAnimating];
        switch (central.state) {
            case CBCentralManagerStateUnknown:
                NSLog(@">>>CBCentralManagerStateUnknown");
                break;
            case CBCentralManagerStateResetting:
                NSLog(@">>>CBCentralManagerStateResetting");
                break;
            case CBCentralManagerStateUnsupported:
                NSLog(@">>>CBCentralManagerStateUnsupported");
                break;
            case CBCentralManagerStateUnauthorized:
                NSLog(@">>>CBCentralManagerStateUnauthorized");
                break;
            case CBCentralManagerStatePoweredOff:
                NSLog(@">>>CBCentralManagerStatePoweredOff");
                break;
            default:
                break;
        }
    }
}

//开始连接action
- (IBAction)startConnectAction:(id)sender {
    
    if (theManager.state==CBCentralManagerStatePoweredOn) {
        NSLog(@"主设备蓝牙状态正常，开始扫描外设...");
        self.title = @"扫描小米手环...";
        //nil表示扫描所有设备
        [theManager scanForPeripheralsWithServices:nil options:nil];
        [self.activeID startAnimating];
        self.connectBtn.enabled = NO;
        self.resultTextV.text = @"";
    }
}

#pragma mark 设备扫描与连接的代理

//扫描到设备会进入方法
-(void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI{
    NSLog(@"扫描连接外设：%@ %@",peripheral.name,RSSI);
    [central connectPeripheral:peripheral options:nil];
    if ([peripheral.name hasPrefix:@"RBP"]) {
        thePerpher = peripheral;
        [central stopScan];
        [central connectPeripheral:peripheral options:nil];
        self.title = @"发现小米手环，开始连接...";
        self.resultTextV.text = [NSString stringWithFormat:@"发现手环：%@\n名称：%@\n",peripheral.identifier.UUIDString,peripheral.name];
    }
}

//连接到Peripherals-成功
- (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral
{
    self.title = @"连接成功，扫描信息...";
    NSLog(@"连接外设成功！%@",peripheral.name);
    [peripheral setDelegate:self];
    [peripheral discoverServices:nil];
    NSLog(@"开始扫描外设服务 %@...",peripheral.name);
}

//扫描到特征
-(void)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError *)error{
    if (error)
    {
        NSLog(@"扫描外设的特征失败！%@->%@-> %@",peripheral.name,service.UUID, [error localizedDescription]);
        self.title = @"find characteristics error.";
        [self.activeID stopAnimating];
        self.connectBtn.enabled = YES;
        return;
    }
    
    NSLog(@"扫描到外设服务特征有：%@->%@->%@",peripheral.name,service.UUID,service.characteristics);
    //获取Characteristic的值
    for (CBCharacteristic *c in service.characteristics){
       NSString* charUUID = [NSString stringWithFormat:@"%@", c.UUID];
        if ([thePerpher.name hasPrefix:@"RBP"]) {
            if ([charUUID isEqualToString:@"FFF1"]) { //通知通道 0x30
                self.nofityDataC = c;
                [peripheral setNotifyValue:YES forCharacteristic:self.nofityDataC];
            }
            if ([charUUID isEqualToString:@"FFF2"]) { //写通道 0xC
                self.writeDataC = c;//ok
            }
            if (self.writeDataC && self.nofityDataC) {
                NSData* data = [HiseeClassFormat intArrayToData:BT_RBP9804_ORDER_READY length:8];
                [self writeDataToBt:data];
            }
        }
    }
}

- (void)writeDataToBt:(NSData*)data
{
    if (thePerpher && self.writeDataC) {
        [thePerpher writeValue:data forCharacteristic:self.writeDataC type:CBCharacteristicWriteWithResponse];
        NSLog(@"向蓝牙写数据 = %@", data);
    }
}

- (void)peripheral:(CBPeripheral *)peripheral didWriteValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error
{
    if (error) {
        NSLog(@"写入错误 = %@, 写入特征uuid = %@", error, characteristic.UUID);
    } else {
        NSLog(@"特征值 = %@, 写入成功", characteristic.UUID);
    }
}

#pragma mark 设备信息处理
//扫描到具体的值
- (void)peripheral:(CBPeripheral *)peripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(nullable NSError *)error
{
    if (error) {
        NSLog(@"扫描外设的特征失败！%@-> %@",peripheral.name, [error localizedDescription]);
        self.title = @"find value error.";
        return;
    }
    NSUInteger dataLen = 0;
    NSData *data = characteristic.value;
    int* dataArray = [HiseeClassFormat dataToIntArray:data length:&dataLen];
    if (dataArray == NULL) {
        return;
    }
    NSString* dataStr = @"";
    for (int i = 0; i < data.length; i++) {
        NSString* num = [NSString stringWithFormat:@"%d,", dataArray[i]];
        dataStr = [dataStr stringByAppendingString:num];
    }
    NSLog(@"接收到蓝牙的数据 = %@", dataStr);
    if ([thePerpher.name hasPrefix:@"RBP"]) { //RBP9804
        HiseeBtDeviceBP88A* rbp9804 = [[HiseeBtDeviceBP88A alloc] initWithData:data];
        rbp9804.deviceName = thePerpher.name;
        if (dataLen > 7 && dataArray[3] == 3 && dataArray[7] == 1) { //首次链接成功
            NSData* sendData = [HiseeClassFormat intArrayToData:BT_RBP9804_ORDER_BEGINMEASURE length:8];
            [self writeDataToBt:sendData];
        }
    }
    [self.activeID stopAnimating];
    self.connectBtn.enabled = YES;
    self.title = @"信息扫描完成";
}