aliyun - AliYun Alibaba Cloud IoT Platform#

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Note

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Tip

This library has its own demo,click this link to view the demo example of aliyun

Example

-- Please consult demo

aliyun.setup(tPara)#

Configure product information and device information for Alibaba Cloud IoT Suite

Parameters

Incoming Value Type	Explanation
table	Product information and device information of Alibaba Cloud IoT Suite
return	nil

Return Value

None

Examples

aliyun.setup(tPara)
-- Parameter Description
When the one-machine-one-secret authentication scheme is used, the ProductSecret parameter is passed in.nil
When a type-one-secret authentication scheme is used, the ProductSecret parameter is passed into the real product key.
Registration Whether pre-registration is pre-registered is false, not pre-registered is true
DeviceName Equipment Name
ProductKey Products key
ProductSecret Product secret, according to this information to determine whether it is one machine, one secret or one type, one secret
DeviceSecret Equipment secret
InstanceId if you do not need to fill in the instance id, on the instance details page
mqtt_port mqtt Port
mqtt_isssl whether to use ssl to encrypt the connection. true indicates the simplest encryption without a certificate.

aliyun.subscribe(topic,qos)#

Subscribe to a topic

Parameters

Incoming Value Type	Explanation
string	Subject content is UTF8 encoded
number	qos Number type (0/1, default 0)
return	nil

Return Value

None

Examples

aliyun.subscribe("/b0FMK1Ga5cp/862991234567890/get", 0)

aliyun.publish(topic,qos,payload,cbFnc,cbPara)#

Publish a message

Parameters

Incoming Value Type	Explanation
string	UTF8 The subject of coding
number	qos Quality level, 0/1, default 0
string	payload Payload content, UTF8 encoding
function	cbFnc The callback function of the message publishing result. The callback function is called in the form of cbFnc(result,cbPara). Result is true to indicate that the publication was successful, false or nil to indicate that the subscription failed. CbPara is the fifth parameter in this interface.
param	cbPara Callback parameters of the message publishing result callback function
return	nil

Return Value

None

Examples

aliyun.publish("/b0FMK1Ga5cp/862991234567890/update",0,"test")
aliyun.publish("/b0FMK1Ga5cp/862991234567890/update",1,"test",cbFnc,"cbFncPara")

aliyun.on(evt,cbFnc)#

Parameters

Incoming Value Type	Explanation
string	evt Event，

Return Value

None

Examples

None