1建立中心角色
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#import <CoreBluetooth/CoreBluetooth.h>
CBCentralManager *manager;
manager = [[CBCentralManager alloc] initWithDelegate:
self queue:nil]; |
2扫描外设（discover）
[manager scanForPeripheralsWithServices:nil options:options];
3连接外设(connect)
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- (
void
)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(
NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI {
if
([peripheral.name isEqualToString:BLE_SERVICE_NAME]){
[
self connect:peripheral];
}
s);
}
-(
BOOL
)connect:(CBPeripheral *)peripheral{
self
.manager.delegate =
self
;
[
self
.manager connectPeripheral:peripheral
options:[
NSDictionary dictionaryWithObject:[NSNumber numberWithBool:YES] forKey:CBConnectPeripheralOptionNotifyOnDisconnectionKey]];}
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4扫描外设中的服务和特征(discover)
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- (
void
)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral
{
NSLog
(@
"Did connect to peripheral: %@"
, peripheral);
_testPeripheral = peripheral;
[peripheral setDelegate:
self
]; <br>
//查找服务
[peripheral discoverServices:
nil
];
}
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- (
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:
nil withPeripheral:nil error: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); <br>
//查找特征
[peripheral discoverCharacteristics:
nil forService:service];
break
;
}
}
}
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- (
void
)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(CBService *)service error:(
NSError *)error{
if (error)
{
NSLog
(@
"Discovered characteristics for %@ with error: %@"
, service.UUID, [error localizedDescription]);
[
self error];
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);<br>
//监听特征
[
self
.peripheral setNotifyValue:
YES forCharacteristic:characteristic];
}
}
}
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5与外设做数据交互(读 与 写)
读
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- (
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;
[
self error];
return
;
}
// NSLog(@"收到的数据：%@",characteristic.value);
[
self decodeData:characteristic.value];}
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写
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NSData *d2 = [[PBABluetoothDecode sharedManager] HexStringToNSData:@"0x02"];
[
self
.peripheral writeValue:d2 forCharacteristic:characteristic type:CBCharacteristicWriteWithoutResponse];
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