EMQPUBCLOSE – remove a publish message topic
Remove a publish message topic.
Type
Syntax
Returned Result
Test
AT+EMQPUBCLOSE=?
OK
+EMQPUBCLOSE:(0-7)
Read
AT+EMQPUBCLOSE?
OK
or
ERROR
Write
AT+EMQPUBCLOSE=(
0-7
)
where:
(
0-7
)
is a publish index number in the
range from 0, up to and including 7. You
must have already published a topic to the
selected index number, or the command
will return an error.
OK
+EMQPUBCLOSE:(0-7),<status>
or
ERROR
+EMQPUBCLOSE:(0-7),<status>
where:
•
(0-7)
is the publish index number
you selected from the range
•
status
is either:
•
0
– subscription cancelled
successfully
•
-1
– broker returned an
unsubnack
•
-2
– no topic was registered
for the given index
Check you have sent the
AT+ETMSTATE=startmqtt
command
to enable MQTT.
Example:
AT+EMQPUBCLOSE=0
OK
+EMQPUBCLOSE: 0,0
Eseye-enabled Quectel BG96 module Developer Guide v1.8
50
MQTT telemetry AT commands
