1、#import<CoreBluetooth/CoreBlutooth.h>
2、@interface ViewController : UIViewController{
CBCentralManager *theManager;
CBPeripheral *thePerpher;
CBCharacteristic *theSakeCC;
}
3、开始连接：
if (theManager.state==CBCentralManagerStatePoweredOn) {
NSLog(@"主设备蓝牙状态正常，开始扫描外设...");
//nil表示扫描所有设备
[theManager scanForPeripheralsWithServices:nil options:nil];
}
4、#pragma mark -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;
[central scanForPeripheralsWithServices:nil options:nil];
}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;
}}}
5、//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];
NSLog(@"peripheral:%@============advertisementData:%@==============RSSI:%@",peripheral.identifier,advertisementData,RSSI);
if ([peripheral.name hasSuffix:@"SMART"]) {
thePerpher = peripheral;
[central stopScan];
[central connectPeripheral:peripheral options:nil];
self.title = @"发现手环，开始连接...";
self.resultTextV.text = [NSString stringWithFormat:@"发现手环：%@\n名称：%@\n",peripheral.identifier.UUIDString,peripheral.name];
}}
6、#pragma mark 设备扫描与连接的代理
//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);
self.peripheral = peripheral;
[peripheral setDelegate:self];
[peripheral discoverServices:nil];
NSLog(@"开始扫描外设服务 %@...",peripheral.name);
}
7、//扫描到服务
-(void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error{
if (error)
{
NSLog(@"扫描外设服务出错：%@-> %@", peripheral.name, [error localizedDescription]);
self.title = @"find services error.";
[self.activeID stopAnimating];
self.connectBtn.enabled = YES;
return;
}
NSLog(@"扫描到外设服务：%@ -> %@",peripheral.name,peripheral.services);
for (CBService *service in peripheral.services) {
if ([service.UUID.UUIDString isEqualToString:ServicesUUID]) {
[peripheral discoverCharacteristics:nil forService:service];
}
}
NSLog(@"开始扫描外设服务的特征 %@...",peripheral.name);
}
8、//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 *characteristic in service.characteristics){
{
self.characteristic = characteristic;
[peripheral setNotifyValue:YES forCharacteristic:characteristic];
[self.peripheral setNotifyValue:YES forCharacteristic:characteristic];
if ([characteristic.UUID.UUIDString isEqualToString:NotifyUUID])
{
[peripheral setNotifyValue:YES forCharacteristic:characteristic];
}
//读取时间
else if ([characteristic.UUID.UUIDString isEqualToString:WriteUUID])
{
// 读取时间：
Byte byte[3];
byte[0] = 0X89;
byte[1] = 0x00;
byte[2] = 0x00;
NSData *data = [NSData dataWithBytes:byte length:3];
[peripheral writeValue:data forCharacteristic:characteristic type:CBCharacteristicWriteWithResponse];
// 读取时间：
Byte byte1[4];
byte1[0] = 0xC6;
byte1[1] = 0x01;
byte1[2] = 0x08;
byte1[3] = 0x08;
NSData *data1 = [NSData dataWithBytes:byte1 length:4];
[peripheral writeValue:data1 forCharacteristic:characteristic type:CBCharacteristicWriteWithResponse];
}
else if ([characteristic.UUID.UUIDString isEqualToString:SHAKE])
{
//震动
theSakeCC = characteristic;
}
//设备信息
else if ([characteristic.UUID.UUIDString isEqualToString:DEVICE])
{
[peripheral readValueForCharacteristic:characteristic];
}
}
}
}
#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;
}
NSLog(@"==characteristic.UUID.UUIDString：%@===characteristic.value：%@",characteristic.UUID.UUIDString,characteristic.value);
if ([characteristic.UUID.UUIDString isEqualToString:[NSString stringWithFormat:NotifyUUID]]) {
Byte *steBytes = (Byte *)characteristic.value.bytes;
int steps = TCcbytesValueToInt(steBytes);
NSLog(@"步数：%d====%@=======",steps,characteristic.value);
self.resultTextV.text = [NSString stringWithFormat:@"%@步数：%d\n",self.resultTextV.text,steps];
UIAlertView *ali = [[UIAlertView alloc]initWithTitle:[NSString stringWithFormat:@"%@步数：%d\n",self.resultTextV.text,steps] message:[NSString stringWithFormat:@"%@步数：%d\n",self.resultTextV.text,steps] delegate:self cancelButtonTitle:@"ok" otherButtonTitles: nil];
[ali show];
}
else if ([characteristic.UUID.UUIDString isEqualToString:@"FFF1"])
{
Byte *bufferBytes = (Byte *)characteristic.value.bytes;
int buterys = TCcbytesValueToInt(bufferBytes)&0xff;
NSLog(@"电池：%d%%",buterys);
self.resultTextV.text = [NSString stringWithFormat:@"%@电量：%d%%\n",self.resultTextV.text,buterys];
}
else if ([characteristic.UUID.UUIDString isEqualToString:DEVICE])
{
Byte *infoByts = (Byte *)characteristic.value.bytes;
//这里解析infoByts得到设备信息
}
[self.activeID stopAnimating];
self.connectBtn.enabled = YES;
self.title = @"信息扫描完成";
}
