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如何开发Ble蓝牙。在蓝牙中的一些常见服务，扫描，以及链接；
主蓝牙类文件.h
主蓝牙类文件.m
UUID文件
蓝牙列表展示的文件
一：引入Ble蓝牙的框架<CoreBluetooth/CoreBluetooth.h>
BuleHelp.h
#import <Foundation/Foundation.h> //导入蓝牙框架 #import <CoreBluetooth/CoreBluetooth.h> #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 <CBPeripheral*>*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<NSString *,id> *)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<NSString *,id> *) 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];
}
}感谢各位的阅读！关于“IOS中如何开发Ble蓝牙”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！
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