iOS中的BLE开发流程

//

//  ViewController.m

//  BLEEx2

//

//  Created by 我的未来不是梦 on 14-11-26.

//  Copyright (c) 2014年 choicemmed. All rights reserved.

//

 

#import "ViewController.h"

// 1 导头文件

#import <CoreBluetooth/CoreBluetooth.h>


@interface ViewController () <CBCentralManagerDelegate, CBPeripheralDelegate>

@property(nonatomic, strong) CBCentralManager *mgr;
@property(nonatomic, strong) NSMutableArray *peripherals;

@end

 
@implementation ViewController

- (NSMutableArray *)peripherals{
    if (!_peripherals) {
        _peripherals = [NSMutableArray array];
    }
　　 return _peripherals;
}

 
- (void)viewDidLoad {

  　[super viewDidLoad];

    // 2 创建 中心管理者对象
    CBCentralManager *mgr = [[CBCentralManager alloc] init];
    mgr.delegate = self;
    self.mgr = mgr;


    // 3 扫描外设 参数传nil 表示搜索所有外设
    [mgr scanForPeripheralsWithServices:nil options:nil];   
}

 

// 模拟连接外设
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    // 扫描外设中的服务和特征
    for (CBPeripheral *peripheral in self.peripherals) {
        peripheral.delegate = self;

        // 利用mgr 连接外设
        [self.mgr connectPeripheral:peripheral options:nil];
    }
}

 
#pragma mark - CBCentralManagerDelegate

// 中心管理 扫描到外设
- (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI
{
    // 将外设保存
    if (![self.peripherals containsObject:peripheral]) {
        [self.peripherals addObject:peripheral];
    }
}

 

// 中心管理 连接外设成功
(void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral
{
    // 扫描外设中的服务
    [peripheral discoverServices:nil];

}

 

// 中心管理 连接外设失败
- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error
{
    NSLog(@"%@",error);
}

 

#pragma mark - CBPeripheralDelegate

// 外设扫描到服务
- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error
{
    NSArray *services = peripheral.services;
    for (CBService *service in services) {

        // 取得需要的服务
        if ([@"needService" isEqualToString:service.UUID.UUIDString]) {
            [peripheral discoverCharacteristics:nil forService:service];
        }
    }

}

 

- (void)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError *)error
{
    NSArray *characteristics = service.characteristics;
    for (CBCharacteristic *characteristic in characteristics) {
        if ([@"needCharacteristic" isEqualToString:characteristic.UUID.UUIDString]) {
            NSLog(@"do somthing~");
        }
    }
}

@end