At+Mqttpub; At+Mqttsub - USR IOT Cortex-M7 Series At Command Manual

<CR><LF>+OK=<sta><CR><LF>
Set

AT+MQTTPUBCUSEN=<sta><CR>
<CR><LF>+OK<CR><LF>
Parameter

sta

ON: enable custom topic message transparent transform. Format: topic,Qos,retain,payload.

OFF:using predefined topic.default.

E.g.AT+MQTTPUBCUSEN=ON

2.5.63. AT+MQTTPUB

Function

Query/set predefined topic message to publish
Query

AT+MQTTPUB<CR>
<CR><LF>+OK=<pubnum,puben,topic,mode,symbol,Qos,retained,comn><CR><LF>
Set

AT+MQTTPUB=<pubnum,puben,topic,mode,symbol,Qos,retained,comn><CR>
<CR><LF>+OK<CR><LF>
Parameter

pubnum:1~16, each serial port support maximum 16 topics.

puben

ON: enable.this topic message can be published to server.

OFF:disable.default.

topic:0~128 characters,do not support wildcards,default /PubTopicn

mode

0: send to all topics.default.

1: send to specified topic.format:symbol,payload.

symbol: topic alias,maximum 16 characters,default same to pubnum.

Qos: 0,1,2.default 0.

retained

ON: enable

OFF:disable.default.

comn:serial port number.

E.g.AT+MQTTPUB=1,ON,/PubTopic1,0,1,0,OFF,1

2.5.64. AT+MQTTSUB

Function

Query/set topic message to subscribe
Query

AT+MQTTSUB<CR>
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