Neoway N11 V2, Руководство по командам

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N11 V2
AT Command Manual
Copyright © Neoway Technology Co., Ltd 102
Format AT+MQTTSTATE?<CR>
Parameter N/A
Return Value
+MQTTSTATE:0: Disconnected to the MQTT server
+MQTTSTATE:1: Connected to the MQTT server
Example
AT+MQTTSTATE?
+MQTTSTATE:1
OK
The device is connected to the
MQTT server.
Remarks

The device sends keepalive packets to the MQTT server by default. If the
server does not respond with ACK, the device automatically reconnects to the
server.
Developers can also send this command to check the connection status and
decide whether to reconnect automatically after detecting disconnection.

To reconnect manually, eMQTTDISCONN to release resources and
eMQTTDISCONN to set up a new connection.
15.10 Setting MQTT Mode: +MQTTMODE
Description To set the mode of MQTT connection
Format AT+MQTTMODE=<mode><CR>
Parameter
<Mode>: MQTT mode
0: MQTT
1: MQTT over TLS
Return Value <CR><LF>OK<CR><LF>
Example
AT+IMQTTMODE=1
OK
Set the mode of MQTT
connection to MQTT over TLS
Remarks

By default, MQTT communication uses plain TCP connections.

To use MQTT over TLS, execute this command before authentication.