At+Mqttrectm; At+Mqttndtrectm - USR IOT Cortex-M7 Series At Command Manual

Query/set keep alive interval
Format

Query

AT+ MQTTHEARTTM<CR>
<CR><LF>+OK=< time><CR><LF>
Set

AT+ MQTTHEARTTM=< time><CR>
<CR><LF>+OK<CR><LF>
Parameter

time: default 60s,range 0～65535s,0 means disable

E.g.AT+MQTTHEARTTM=30

2.5.53. AT+MQTTRECTM

Function

Query/set MQTT connection timeout
Format

Query

AT+ MQTTRECTM<CR>
<CR><LF>+OK=<time><CR><LF>
Set

AT+ MQTTRECTM=<time><CR>
<CR><LF>+OK<CR><LF>
Parameter

time:default 1s,range 1～65535s.

E.g.AT+MQTTRECTM=10

2.5.54. AT+MQTTNDTRECTM

Function

Query/set MQTT reconnect period when no data flow in socket
Format

Query

AT+ MQTTNDTRECTM<CR>
<CR><LF>+OK=<time><CR><LF>
Set

AT+ MQTTNDTRECTM=<time><CR>
<CR><LF>+OK<CR><LF>
Parameter

time:default 0 means disable,range 0～65535s.

E.g.AT+MQTTNDTRECTM=3600
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