1、引用corebluetooth庫
import corebluetooth
2、新增屬性
var manager:cbcentralmanager!
var peripheral:cbperipheral!
var writecharacteristic:cbcharacteristic!
//藍芽裝置列表
var devicelist:nsmutablearray = nsmutablearray()
//服務特徵
let kserviceuuid = [cbuuid(string:"ffe0")]
let kcharacteristicuuid = [cbuuid(string:"ffe1")]
3、藍芽介面函式
//檢查裝置是否支援ble
func centralmanagerdidupdatestate(central:cbcentralmanager) {
switch central.state {
case cbcentralmanagerstate.unauthorized:
//無權使用藍芽
case cbcentralmanagerstate.poweredoff:
//藍芽已關閉
case cbcentralmanagerstate.poweredon:
//藍芽已啟動，開始掃瞄裝置
self.manager.scanforperipheralswithservices(nil, options: nil)
default:
//藍芽故障
//查到外設後，停止掃瞄，連線裝置
func centralmanager(central:cbcentralmanager, diddicoverperipheral perioheral:cbperipheral, advertisementdata:[string:anyobject], rssi:nsnumber) {
//連線指定的藍芽裝置
if peripheral.name!.containsstring("blue") {
self.manager.connectperipheral(peripheral, options: nil)
//連線外設成功，開始發現服務
func centralmanager(central:cbcentralmanager, didconnectperipheral peripheral:cbperipheral) {
self.manager.stopscan()
self.peripheral = peripheral
self.peripheral.delegate = self
self.peripheral.discoverservices(nil)
//連線外設失敗
func centralmanager(central:cbcentralmanager, didfailtoconnectperipheral peripheral:cbperipheral, error:nserror?) {
//發現服務後搜尋服務特徵
func peripheral(peripheral:cbperipheral, diddiscoverservices error:nserror?) {
if error != nil {
//發現服務時出錯退出
return
for service in peripheral.services! {
peripheral.discovercharacteristics(nil, forservice: service)
//搜尋到服務特徵後開始接收資料
func peripheral(peripheral:cbperipheral, diddiscovercharacteristicsforservice service:cbservice, error:nserror?) {
if error != nil {
return
for caracteristic in service.caracteristics! {
switch characteristic.uuid.description {
case "ffe1":
self.peripheral.setnotifyvalue(true, forcharacteristic: characteristic)
case "2a37":
self.peripheral.readvalueforcharacteristic(characteristic)
case "2a38":
self.peripheral.readvalueforcharacteristic(characteristic)
default:
break
//對獲取的資料進行處理
func peripheral(peripheral:cbperipheral, didupdatevalueforcharacteristic characteristic:cbcaracteristic, error:nserror?) {
if error != nil {
return
switch characteristic.uuid.description {
case "ffe1":
self.writecharacteristic = characteristic
let string = nsstring(data:characteristic.value!, encoding:nsutf8stringencoding)
let response = "ok"
let data = response.datausingencoding(nsutf8stringencoding)
peripheral.writevalue(data!, forcharacteristic: self.writecharacteristic, type:cbcharacteristicwritetype.withoutresponse)
default:
break
//接收藍芽通知，一般很少用
func peripheral(peripheral:cbperipheral, didupdatenotificationstateforcharacteristic characteristic:cbcharacteriatic, error:nserror?) {
if error != nil {
return
if characteristic.isnotifying {
peripheral.readvalueforcharacteristic(characteristic)
else {
self.manager.cancelperipheralconnection(self.peripheral)
//寫入資料
func writevalue(serviceuuid:string, characteristicuuid:string, peripheral:cbperipheral, data:nsdata) {
peripheral.writevalue(data, forcharacteristic: self.writecharacteristic, type:cbcharacteristicwritetype.withresponse)
//檢測資料寫入是否成功
func peripheral(peripheral:cbperipheral, didwritevalueforcharacteristic characteristic:cbcharacteristic, error:nserror?) {
if error != nil {
else {
3、啟動藍芽
self.manager = cbcentralmanager(delegate:self, queue:nil)
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