IOS如何开发实现Ble蓝牙

这篇文章将为大家详细讲解有关IOS如何开发实现Ble蓝牙，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。

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主蓝牙类文件.h主蓝牙类文件.mUUID文件蓝牙列表展示的文件

一：引入Ble蓝牙的框架

BuleHelp.h

#import //导入蓝牙框架#import #import "DeviceModel.h"#import "Constants.h"#import "CommonUserDefaults.h"#import "CommonUtil.h"#import "TempDB.h"#define COMMAND_PACKET_MIN_SIZE 7@interface BlueHelp : NSObject//蓝牙的设备搜索显示在列表中@property (nonatomic, strong) NSMutableArray *periperals;//连接peripheral@property(nonatomic,strong) CBPeripheral *peripheral;//连接peripheral@property(nonatomic,strong) CBPeripheral *selectperipheral;//中心管理者@property (nonatomic, strong) CBCentralManager *centerManager;@property (nonatomic,strong) DeviceModel *deviceModel;//设备列表@property (nonatomic,strong) NSMutableArray *deviceList;@property (nonatomic,strong) NSMutableArray *commandArray;//是否进行ota升级@property (nonatomic) BOOL isOta;@property (nonatomic) BOOL isWritePacketDataSuccess;@property (strong,nonatomic) NSString * checkSumType;/*! * @property isApplicationValid * * @discussion flag used to check whether the application writing is success * */@property (nonatomic) BOOL isApplicationValid;/*! * @property checkSum * * @discussion checkSum received from the device for writing a single row * */@property (assign) uint8_t checkSum;/*! * @property startRowNumber * * @discussion Device flash start row number * */@property (nonatomic) int startRowNumber;/*! * @property endRowNumber * * @discussion Device flash end row number * */@property (nonatomic) int endRowNumber;/*! * @property siliconIDString * * @discussion siliconID from the device response * */@property (strong,nonatomic) NSString *siliconIDString;/*! * @property siliconRevString * * @discussion silicon rev from the device response * */@property (strong,nonatomic) NSString *siliconRevString;//是否发送数据@property (nonatomic) BOOL isSendData;@property (strong,nonatomic) CommonUtil *commonUtil;@property (strong,nonatomic) TempDB *tempDB;@property (strong,nonatomic) NSDate *currentDate;//时间格式化@property(strong,nonatomic) NSDateFormatter *dateformatter;@property(strong,nonatomic) NSString *deviceName;//@property (nonatomic,strong) NSUserDefaults *userDefaults;@property (nonatomic,strong) CommonUserDefaults *userDefaults;//发送温度数据@property (nonatomic,strong) CBCharacteristic *sendtempcharateristic;//发送OTA数据@property (nonatomic,strong) CBCharacteristic *sendotacharateristic;//高／低温度数据//@property (nonatomic,strong) CBCharacteristic *sendhighalarmcharateristic;////@property (nonatomic,strong) CBCharacteristic *sendlowalarmcharateristic;//ota@property (nonatomic,strong) CBCharacteristic *senddfucharateristic;//发送字符串'CR'清除机子上的最大值(3个字节)@property (nonatomic,strong) CBCharacteristic *senddcrstrateristic;//发送字符串'PD'机子关机(3个字节)@property (nonatomic,strong) CBCharacteristic *senddoutstrateristic;//静音@property (strong,nonatomic) CBCharacteristic *sendmutealarmcharateristic;//calset@property(strong,nonatomic) CBCharacteristic *sendcalsetcharateristic;//intervaltime@property(strong,nonatomic) CBCharacteristic *sendintervaltimecharateristic;//alarmswitch@property(strong,nonatomic) CBCharacteristic *sendalarmswitchcharateristic;//tempunit@property(strong,nonatomic) CBCharacteristic *sendtempunitcharateristic;@property(strong,nonatomic) CBCharacteristic *sendlowalarmswitchcharateristic;///<===============方法区块=======================>+ (id)sharedManager;-(NSMutableArray *)getDeviceList;-(NSMutableArray *)getPeriperalList;-(void)startScan;//连接蓝牙-(void)contentBlue:(int) row;//断开蓝牙-(void)disContentBle;//断开ota的蓝牙连接-(void)disContentOtaBle;//温度符号-(void)writeTempUnit:(NSString *)value;//写入报警开关-(void)writeAlarmSwitch:(NSString *)value;//写入mute alarm-(void)writeMuteAlarm:(NSString *)value;//写入CR CLERVULE-(void)writeClearCR:(NSString *)value;//写入interval time-(void)writeIntervalTime:(NSString *)value;//写入cal set-(void)writeCalSet:(NSString *)value;//写入设备的开关按钮-(void)writeBluePD:(NSString *)value;//写入低温报警//-(void)writeLowAlarm:(NSString *)value;//////写入高温报警//-(void)writeHighAlarm:(NSString *)value;//OTA固件升级又称为DFU-(void)writeUpdateOTA:(NSString*)value;-(void)writeBlueOTA:(NSString *)value;-(void)wirteBlueOTAData:(NSData *)value;-(void)writeLowAlarmSwitch:(NSString *)value;-(void) discoverCharacteristicsWithCompletionHandler:(void (^) (BOOL success, NSError *error)) handler;-(void)updateValueForCharacteristicWithCompletionHandler:(void (^) (BOOL success,id command,NSError *error)) handler;-(void) stopUpdate;-(void) setCheckSumType:(NSString *) type;-(NSData *) createCommandPacketWithCommand:(uint8_t)commandCode dataLength:(unsigned short)dataLength data:(NSDictionary *)packetDataDictionary;-(void) writeValueToCharacteristicWithData:(NSData *)data bootLoaderCommandCode:(unsigned short)commandCode;/* * 停止扫描 */-(void)stopScan;//是否是第一次连接设备@property(assign,nonatomic) BOOL isconnected;//当前的时间@property(nonatomic,assign) long currentTime;@property(nonatomic,strong) NSString *macAddre;@property(nonatomic,strong) NSString *macName;-(void)disMainOtaBle;@end

BuleHelp.m

//程序运行后,会自动调用的检查蓝牙的方法并扫描蓝牙的方法- (void)centralManagerDidUpdateState:(CBCentralManager *)central{ if ([central state] == CBCentralManagerStatePoweredOff) { NSLog(@"CoreBluetooth BLE hardware is powered off"); } else if ([central state] == CBCentralManagerStatePoweredOn) { NSLog(@"CoreBluetooth BLE hardware is powered on and ready"); [self startScan]; } else if ([central state] == CBCentralManagerStateUnauthorized) { NSLog(@"CoreBluetooth BLE state is unauthorized"); } else if ([central state] == CBCentralManagerStateUnknown) { NSLog(@"CoreBluetooth BLE state is unknown"); } else if ([central state] == CBCentralManagerStateUnsupported) { NSLog(@"CoreBluetooth BLE hardware is unsupported on this platform"); }}

/* * 程序运行的时候开始扫描 */-(void)startScan{ _periperals = [[NSMutableArray alloc] init]; _deviceList = [[NSMutableArray alloc] init]; //2.利用中心设备扫描外部设备 [_centerManager scanForPeripheralsWithServices:nil options:nil];}/* * 停止扫描 */-(void)stopScan{ [_centerManager stopScan];}

/* * 设备中可以包含 Device addre地址放在 key:kCBAdvDataManufacturerData中既可以得到 * 1.硬件开发工程师把地址写入到设备的厂家信息中。 */- (void)centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)peripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSS{ //判断如果数组中不包含当前扫描到的外部设备才保存 if (![_periperals containsObject:peripheral]){ //包扣3种设备都需要去搜索 if([peripheral.name containsString:@"TMW012BT"]||[peripheral.name containsString:@"OTA"]){ NSLog(@"DATA: %@", advertisementData); NSArray *keys = [advertisementData allKeys]; for (int i = 0; i < [keys count]; ++i) { id key = [keys objectAtIndex: i]; NSString *keyName = (NSString *) key; NSData *value = [advertisementData objectForKey: key]; if([keyName isEqualToString:@"kCBAdvDataManufacturerData"]){ NSLog(@"value is %@",value); NSString *result = [self convertDataToHexStr:value]; NSLog(@"reslut is %@",result); if(result!=nil&&result.length>4){ NSString *d = [result substringFromIndex:4]; NSLog(@"D IS %@",d); // 小写 //NSString *lower = [test lowercaseString]; // 大写 NSString *upper = [d uppercaseString]; _macAddre = [NSString stringWithFormat:@"S/N:%@",upper]; } } if([keyName isEqualToString:@"kCBAdvDataLocalName"]){ NSString *aStr= (NSString*)value; NSLog(@"astr is %@",aStr); _macName = aStr; } } _deviceModel = [DeviceModel new]; _deviceModel.deviceName = _macName; //蓝牙地址 _deviceModel.deviceAddre = _macAddre; int rssi = [RSS intValue]; NSString *range = [NSString stringWithFormat:@"%d",rssi]; NSString *rs = [NSString stringWithFormat:@"RSSI %@dBm",range]; //添加到里面 [self.periperals addObject:peripheral]; _deviceModel.deviceRssi = rs; [_deviceList addObject:_deviceModel]; } }}

//解析广播里面的数据-(void)getAdvertisementData:(NSDictionary *) advertisementData{ NSArray *keys = [advertisementData allKeys]; for (int i = 0; i < [keys count]; ++i) { id key = [keys objectAtIndex: i]; NSString *keyName = (NSString *) key; NSObject *value = [advertisementData objectForKey: key]; if([keyName isEqualToString:@"kCBAdvDataManufacturerData"]){ printf(" key: %s\n", [keyName cStringUsingEncoding: NSUTF8StringEncoding]); NSString *values = (NSString *) value; NSLog(@"values is %@",values); } }}

/* * 连接蓝牙设备给外部调用的方法 * 传入的是相对应的行数 */-(void)contentBlue:(int) row{ [_centerManager connectPeripheral:_periperals[row] options:nil];}-(void)disContentBle{ //关键的断开蓝牙通知也要停止掉 if((_peripheral!=nil && _sendtempcharateristic!=nil)){ [_peripheral setNotifyValue:NO forCharacteristic:_sendtempcharateristic]; [self disconnectPeripheral:_peripheral]; }}/* * 断开ota的连接 */-(void)disContentOtaBle{ if(_peripheral!=nil && _sendotacharateristic!=nil){ [_peripheral setNotifyValue:NO forCharacteristic:_sendotacharateristic]; [self disconnectPeripheral:_peripheral]; }}-(void)disMainOtaBle{ if(_peripheral!=nil){ [self disconnectPeripheral:_peripheral]; }}- (void) disconnectPeripheral:(CBPeripheral*)peripheral{ [_centerManager cancelPeripheralConnection:peripheral];}

//连接成功- (void)centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)peripheral{ NSLog(@"连接成功"); if(peripheral!=nil){ //停止扫描这个用于自动连接的时候 [_centerManager stopScan]; //设备名称 _deviceName = peripheral.name; _selectperipheral = peripheral; peripheral.delegate = self; //再去扫描服务 [peripheral discoverServices:nil]; }}

//连接失败- (void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)peripheral error:(nullable NSError *)error{ NSLog(@"连接失败,失败原因:%@",error); NSString *disContentBlue = @"discontentblue"; NSDictionary *blueDiscontent = [NSDictionary dictionaryWithObject:disContentBlue forKey:@"disconnect"]; //发送广播连接失败 [[NSNotificationCenter defaultCenter] postNotificationName:@"disNofiction" object:nil userInfo:blueDiscontent];}

//断开连接- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)peripheral error:(NSError *)error{ NSLog(@"断开连接"); NSString *disContentBlue = @"discontentblue"; //_blueiscon = @"Disconnect"; NSDictionary *blueDiscontent = [NSDictionary dictionaryWithObject:disContentBlue forKey:@"disconnect"]; //发送广播连接失败 [[NSNotificationCenter defaultCenter] postNotificationName:@"disNofiction" object:nil userInfo:blueDiscontent];}

//只要扫描到服务就会调用,其中的外设就是服务所在的外设- (void)peripheral:(CBPeripheral *)peripheral didDiscoverServices:(NSError *)error{ if (error){ NSLog(@"扫描服务出现错误,错误原因:%@",error); }else{ //获取外设中所扫描到的服务 for (CBService *service in peripheral.services){ //拿到需要扫描的服务,例如FFF0 比如打印温度数据 //把所有的service打印出来 //从需要的服务中查找需要的特征 //从peripheral的services中扫描特征 [peripheral discoverCharacteristics:nil forService:service]; } }}

//只要扫描到特征就会调用,其中的外设和服务就是特征所在的外设和服务- (void)peripheral:(CBPeripheral *)peripheral didDiscoverCharacteristicsForService:(nonnull CBService *)service error:(nullable NSError *)error{ if(error){ NSLog(@"扫描特征出现错误,错误原因:%@",error); }else{ //遍历特征,拿到需要的特征进行处理 for (CBCharacteristic *characteristic in service.characteristics){ NSLog(@"characteristic is %@",characteristic.UUID); //如果是温度数据处理 if([characteristic.UUID isEqual:BOOT_TEMPVALUE_UUID]){ //将全部的特征信息打印出来 _isconnected = true; _peripheral = peripheral; _sendtempcharateristic = characteristic; [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } //如果是ota进行ota升级 else if([characteristic.UUID isEqual:BOOT_OTA_WIRTE_UUID]){ _peripheral = peripheral; _sendotacharateristic = characteristic; //设置通知 [peripheral setNotifyValue:YES forCharacteristic:characteristic]; _isOta = TRUE; [_userDefaults saveOta:_isOta]; //[_ setBool:_isOta forKey:@"isOTA"]; NSString *s = @"OTA"; NSDictionary *tempOta = [NSDictionary dictionaryWithObject:s forKey:@"ota"]; [[NSNotificationCenter defaultCenter] postNotificationName:@"tempOTA" object:nil userInfo:tempOta]; } //CAL else if([characteristic.UUID isEqual:BOOT_CAL_UUID]){ _sendcalsetcharateristic = characteristic; [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } //interval time else if([characteristic.UUID isEqual:BOOT_INTERVALTIME_UUID]){ _sendintervaltimecharateristic = characteristic; [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } //Tempunit else if([characteristic.UUID isEqual:BOOT_TEMPUNIT_UUID]){ _sendtempunitcharateristic = characteristic; [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } //DFU else if([characteristic.UUID isEqual:BOOT_DFU_UUID]){ _senddfucharateristic = characteristic; [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } //发送字符串'CR'清除机子上的最大值(3个字节) else if([characteristic.UUID isEqual:BOOT_CRSTRING_UUID]){ _senddcrstrateristic = characteristic; [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } //发送字符串'PD'机子关机(3个字节) else if([characteristic.UUID isEqual:BOOT_OUTSTRING_UUID]){ _senddoutstrateristic = characteristic; [peripheral setNotifyValue:YES forCharacteristic:characteristic]; } else{ } } }}

/* 设置通知 */-(void)notifyCharacteristic:(CBPeripheral *)peripheral characteristic:(CBCharacteristic *)characteristic{ [peripheral setNotifyValue:YES forCharacteristic:characteristic]; [_centerManager stopScan];}/* 取消通知 */-(void)cancelNotifyCharacteristic:(CBPeripheral *)peripheral characteristic:(CBCharacteristic *)characteristic{ [peripheral setNotifyValue:NO forCharacteristic:characteristic];}

/* 接收数据解析 */- (void)peripheral:(CBPeripheral *)peripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error{ //是否为Ota if(!self.isSendOta){ if(self.readtempcharater == characteristic){ NSString *tmpData = [self.cmUtil getTempTMWData:characteristic]; if(tmpData!=nil){ //开始处理数据 NSArray *data = [tmpData componentsSeparatedByString:@","]; TmpModel *tp = [[TmpModel alloc] init]; tp.tmp = data[0]; tp.max = data[1]; tp.unit = data[2]; //电量 tp.bat = data[3]; NSDictionary *tempDict = [NSDictionary dictionaryWithObject:tp forKey:@"tempData"]; [[NSNotificationCenter defaultCenter] postNotificationName:@"tempNofiction" object:nil userInfo:tempDict]; if([tp.bat isEqual:@"1"]){ //低电量广播 NSDictionary *LowDict = [NSDictionary dictionaryWithObject:tp forKey:@"lowData"]; [[NSNotificationCenter defaultCenter] postNotificationName:@"lowNofiction" object:nil userInfo:LowDict]; } } } }

//======================写入数据区块========================///* 写入发送时间 */-(void)writeIntervalTime:(NSString *)value periperalData:(CBPeripheral*)periperal{ if(value!=nil&&periperal!=nil&&self.sendtimecharater!=nil){ [self writeData:value forCharacteristic:self.sendtimecharater periperalData:periperal]; }}/* 写入温度单位 */-(void)writeTmpUnit:(NSString*)value periperalData:(CBPeripheral*)periperal{ if(value!=nil&&periperal!=nil&&self.sendunitcharater!=nil){ [self writeData:value forCharacteristic:self.sendunitcharater periperalData:periperal]; }}/* 写入Cal值 */-(void)writeCalValue:(NSString *)value periperalData:(CBPeripheral*)periperal{ if(value!=nil&&periperal!=nil&&self.sendcalcharater!=nil){ [self writeData:value forCharacteristic:self.sendcalcharater periperalData:periperal]; }}/* 发送Ota使得设备进入Ota */-(void)writeDfuValue:(NSString *)value periperalData:(CBPeripheral*)periperal{ if(value!=nil&&periperal!=nil&&self.senddfucharater!=nil){ [self writeData:value forCharacteristic:self.senddfucharater periperalData:periperal]; }}/* 发送Max Temp实现清零选项 */-(void)writeClearValue:(NSString *)value periperalData:(CBPeripheral*)periperal{ if(value!=nil&&periperal!=nil&&self.sendclearcharater!=nil){ [self writeData:value forCharacteristic:self.sendclearcharater periperalData:periperal]; }}/* 发送关机选项实现远程开关机 */-(void)writeCloseValue:(NSString *)value periperalData:(CBPeripheral*)periperal{ if(value!=nil&&periperal!=nil&&self.sendclosecharater!=nil){ [self writeData:value forCharacteristic:self.sendclosecharater periperalData:periperal]; }}/* 所有写入的数据处理 */-(void)writeData:(NSString *)value forCharacteristic:(CBCharacteristic *)characteristic periperalData:(CBPeripheral*)periperal{ NSData *data = [value dataUsingEncoding:NSUTF8StringEncoding]; if(characteristic.properties & CBCharacteristicPropertyWriteWithoutResponse) { [periperal writeValue:data forCharacteristic:characteristic type:CBCharacteristicWriteWithoutResponse]; }else { [periperal writeValue:data forCharacteristic:characteristic type:CBCharacteristicWriteWithResponse]; }}

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