iOS 蓝牙开发简笔
1建立中心角色
3#import
CBCentralManager *manager;
manager = [[CBCentralManager alloc] initWithDelegate:selfqueue:nil];
2扫描外设（discover）
[manager scanForPeripheralsWithServices:nil options:options];
3连接外设(connect)
- (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary*)advertisementData RSSI:(NSNumber*)RSSI
{
if([peripheral.name isEqualToString:BLE_SERVICE_NAME]){
[selfconnect:peripheral];
}
s);
}
-(BOOL)connect:(CBPeripheral *)peripheral{
self.manager.delegate =self;
[self.manager connectPeripheral:peripheral
options:[NSDictionarydictionaryWithObject:[NSNumbernumberWithBool:YES] forKey:CBConnectPeripheralOptionNotifyOnDisconnectionKey]];
}
4扫描外设中的服务和特征(discover)
- (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral
{
NSLog(@"Did connect to peripheral: %@", peripheral);
_testPeripheral = peripheral;
[peripheral setDelegate:self];
//查找服务
[peripheral discoverServices:nil];
}
- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError*)error
{
NSLog(@"didDiscoverServices");
if(error)
{
NSLog(@"Discovered services for %@ with error: %@", peripheral.name, [error localizedDescription]);
if([self.delegate respondsToSelector:@selector(DidNotifyFailConnectService:withPeripheral:error:)])
[self.delegate DidNotifyFailConnectService:nilwithPeripheral:nilerror:nil];
return;
}
for(CBService *service in peripheral.services)
{
//发现服务
if([service.UUID isEqual:[CBUUID UUIDWithString:UUIDSTR_ISSC_PROPRIETARY_SERVICE]])
{
NSLog(@"Service found with UUID: %@", service.UUID);
//查找特征
[peripheral discoverCharacteristics:nilforService:service];
break;
}
}
}
2- (void)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError*)error
{
if(error)
{
NSLog(@"Discovered characteristics for %@ with error: %@", service.UUID, [error localizedDescription]);
[selferror];
return;
}
NSLog(@"服务：%@",service.UUID);
for(CBCharacteristic *characteristic in service.characteristics)
{
//发现特征
if([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"xxxxxxx"]]) {
NSLog(@"监听：%@",characteristic);
//监听特征
[self.peripheral setNotifyValue:YESforCharacteristic:characteristic];
}
}
}
5与外设做数据交互(读 与 写)
- (void)peripheral:(CBPeripheral *)peripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError*)error
{
if(error)
{
NSLog(@"Error updating value for characteristic %@ error: %@", characteristic.UUID, [error localizedDescription]);
self.error_b = BluetoothError_System;
[selferror];
return;
}
// NSLog(@"收到的数据：%@",characteristic.value);
[selfdecodeData:characteristic.value];
}
写
NSData*d2 = [[PBABluetoothDecode sharedManager] HexStringToNSData:@"0x02"];
[self.peripheral writeValue:d2 forCharacteristic:characteristic type:CBCharacteristicWriteWithoutResponse];
原文地址：http://www.cnblogs.com/visen-0/p/4013119.html
