iOS藍芽開發 CoreBluetooth

看了幾天的關於ios藍芽的資料，總的來說，用起來挺麻煩的 xxd。。

（corebluetooth框架用的 4.0 ble協議－－buletouch low energy）

corebluetooth框架的核心其實有兩個東西，central（中心）和peripheral（外設）。分別對應兩種模式：central模式言歸正傳，如何通過藍芽傳遞資料？一般的外設要建立乙個以上服務service，

每個服務裡面包括乙個以上特徵characteristic，每個特徵裡面包括乙個或多個描述description。服務service相當於api介面，特徵characteristic就是我們傳遞資料的地方，描述description是用來描述每個特徵的資訊或屬性。

#import //先載入標頭檔案

@inte***ce viewcontroller ()cbperipheraldelegate>

- (void)viewdidload


//**方法：centralmanager成功開啟，會觸發這個方法
-(void)centralmanagerdidupdatestate:(cbcentralmanager *)central

}

//掃瞄到裝置會進入此方法

-(void)centralmanager:(cbcentralmanager *)central diddiscoverperipheral:(cbperipheral *)peripheral advertisementdata:(nsdictionary *)advertisementdata rssi:(nsnumber *)rssi

//連線到peripherals-成功

- (void)centralmanager:(cbcentralmanager *)central didconnectperipheral:(cbperipheral *)peripheral

//掃瞄到services

-(void)peripheral:(cbperipheral *)peripheral diddiscoverservices:(nserror *)error

}

//掃瞄到characteristics

-(void)peripheral:(cbperipheral *)peripheral diddiscovercharacteristicsforservice:(cbservice *)service error:(nserror *)error

//5⃣️獲取characteristic的值，讀到資料會進入方法：-(void)peripheral:(cbperipheral *)peripheral didupdatevalueforcharacteristic:

for (cbcharacteristic *characteristic in service.characteristics)

//7⃣️搜尋characteristic的descriptors

for (cbcharacteristic *characteristic in service.characteristics)

}

//6⃣️獲取到characteristic的值

-(void)peripheral:(cbperipheral *)peripheral didupdatevalueforcharacteristic:(cbcharacteristic *)characteristic error:(nserror *)error

//8⃣️搜尋到characteristic的descriptors

-(void)peripheral:(cbperipheral *)peripheral diddiscoverdescriptorsforcharacteristic:(cbcharacteristic *)characteristic error:(nserror *)error

}

//9⃣️獲取到descriptors的值

-(void)peripheral:(cbperipheral *)peripheral didupdatevaluefordescriptor:(cbdescriptor *)descriptor error:(nserror *)error

//寫資料到characteristic中

[peripheral writevalue:value forcharacteristic:characteristic type:cbcharacteristicwritewithresponse];

//設定通知，一有資料通知會進入：didupdatevalueforcharacteristic方法 [peripheral setnotifyvalue:yes forcharacteristic:characteristic];

//停止掃瞄

[centralmanager stopscan];

//斷開連線

[centralmanager cancelperipheralconnection:peripheral];

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