ios外设代码

#import <CoreBluetooth/CoreBluetooth.h> @interface ViewController : UIViewController<CBCentralManagerDelegate> @interface ViewController (){ //
 CBCentralManager *manager;  NSMutableArray *peripherals; } - (void)viewDidLoad { [super viewDidLoad]; /*,
CBCentralManagerDelegate ： - (void)centralManagerDidUpdateState:(CBCentralManager *)central;//
- (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI;
 // - (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral;//
 - (void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error;//
- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error;///
manager = [[CBCentralManager alloc]initWithDelegate:self queue:dispatch_get_main_queue()];

-(void)centralManagerDidUpdateState:(CBCentralManager *)central{ 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; case CBCentralManagerStatePoweredOn: NSLog(@">>>CBCentralManagerStatePoweredOn"); /
 (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI; */
 [manager scanForPeripheralsWithServices:nil options:nil]; break; default: break; } } //(void)centralManager:
(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)
advertisementData RSSI:(NSNumber *)RSSI{ NSLog(@"%@",peripheral.name); }

-(void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI
if ([peripheral.name hasPrefix:@"P"]){ /*  - (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral;
 (void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error;//
 (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error;
 [peripherals addObject:peripheral]; // [manager connectPeripheral:peripheral options:nil]; } } //
(void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral { NSLog(@">>
(void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error { NSLog(@">>>,
[peripheral name],[error localizedDescription]); } //Peripherals (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:
(CBPeripheral *)peripheral error:(NSError *)error{ NSLog(@">>> %@: %@\n", [peripheral name], [error localizedDescription]); }

/*! * @method centralManager:didDiscoverPeripheral:advertisementData:RSSI:
 * * @param central The central manager providing this update. * @param peripheral A <code>CBPeripheral</code> object. 
* @param advertisementData A dictionary containing any advertisement and scan response data. * @param RSSI The current RSSI of <i>peripheral</i>,
 in dBm. A value of <code>127</code> is reserved and indicates the RSSI * was not available. * * @discussion This method is invoked while scanning,
 upon the discovery of <i>peripheral</i> by <i>central</i>. A discovered peripheral must * be retained in order to use it; otherwise, 
it is assumed to not be of interest and will be cleaned up by the central manager. For * a list of <i>advertisementData</i> keys,
 see {@link CBAdvertisementDataLocalNameKey} and other similar constants. * * @seealso CBAdvertisementData.h * */ - (void)centralManager:(CBCentralManager *)
central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary<NSString *, id> *)advertisementData RSSI:(NSNumber *)RSSI;

(void)notifyCharacteristic:(CBPeripheral *)peripheral characteristic:(CBCharacteristic *)characteristic{ /
didUpdateValueForCharacteristic方法 [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } /
(void)cancelNotifyCharacteristic:(CBPeripheral *)peripheral characteristic:
(CBCharacteristic *)characteristic{ [peripheral setNotifyValue:NO forCharacteristic:characteristic]; }