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问题描述:
用EC*00U开发板按照贵司接入阿里云的DEMO，设备的三元组数据替换为我的设备的三元组数据，ClintID也已替换为我设备的ID， 运行后总是反馈mqtt连接失败，错误码为2，代码如下：
de* __init__(sel*):
aliyun_Class.inst = sel*
sel*.p*ductKey = &k02hsyTOPaI& # 产品标识
sel*.p*ductSecret = None # 产品密钥（一机一密认证此参数传入None）
sel*.DeviceSecret = &8b5e8d25d87358*7ee8584c*19*4e0ba& # 设备密钥（一型一密认证此参数传入None）
sel*.DeviceName = &**ID& # 设备名称
# sel*.MqttServer = &iot-0*z00emc70oh9ko.mqtt.iothub.aliyun*.com&
# /b*adcas/a1llZotKk*/123
sel*.subsc*be_topic1 = &/sys&+&/&+sel*.p*ductKey+&/&+sel*.DeviceName+&/&+&thing/service/p*perty/set&
sel*.subsc*be_topic2 = &/sys&+&/&+sel*.p*ductKey+&/&+sel*.DeviceName+&/&+&thing/*nt/p*perty/post_reply&
sel*.publish_topic1 = &/sys&+&/&+sel*.p*ductKey+&/&+sel*.DeviceName+&/&+&thing/*nt/p*perty/post&
# 创建aliyun连接对象
sel*.ali = aLiYun(
sel*.p*ductKey,
sel*.p*ductSecret,
sel*.DeviceName,
sel*.DeviceSecret,)
# sel*.MqttServer,
# 设置mqtt连接属性
clientID = b'k02hsyTOPaI.**ID|sec*emode=2,si*method=hma*ha25*' # 自定义字符（不超过*4）
ret = sel*.ali.setMqtt(
clientID,
clean_session=*alse,
keepAlive=*0,
reconn=True) # *alse True
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