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224	224
225	225	(% class="box" %)
226	226	(((
227		-//# Call MQTT Publish command
	227	+# Call MQTT Publish command
228	228	\\# 1. Case with User, Password and Client ID present  (e.g. Azure)
229	229	if [ ! -z "$pass" ] && [ ! -z "$user" ] && [ ! -z "$clientID" ]; then
230	230	case="1"
...	...	@@ -251,9 +251,9 @@
251	251	mosquitto_pub $D -h $server -p $port -q $pub_qos  -t $pub_topic -u $user -P "$pass" $PUB_FLAG "$mqtt_data"
252	252	\\# 0. Else - invalid parameters, just log
253	253	else
254		-case="(% style="color:red" %)Invalid parameters" (%%)
255		-logger (% style="color:red" %)"[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."(%%)
256		-fi//
	254	+case="Invalid parameters"
	255	+logger "[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."
	256	+fi
257	257	)))
258	258
259	259
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263	263
264	264	This section is an example to show how to set up LG01-N to communicate with a MQTT server. The MQTT server is a simple utility set up in a local PC. Note: User can set up same server via [[this instruction>>url:http://www.steves-internet-guide.com/install-mosquitto-broker/]].
265	265
266		-
267	267	== 4.2 Simulate via MQTT.fx utility ==
268	268
269	269	The [[MQTT.fx>>url:http://mqttfx.jensd.de/index.php/download]] is a MQTT client tool. We can use this to simulate a MQTT connection to our MQTT broker first to make sure the MQTT broker works. This will also help us understand how it works.
...	...	@@ -272,7 +272,7 @@
272	272	In this test, the MQTT broker and MQTT.fx are installed in the same PC, so the MQTT server address in MQTT.fx should be localhost. Below shows how to connect to the server.
273	273	)))
274	274
275		-[[image:image-20220527134929-6.png]]
	274	+[[image:https://wiki.dragino.com/images/thumb/0/06/MQTT_Forward_4.png/600px-MQTT_Forward_4.png||height="201" width="600"]]
276	276
277	277	Connect to MQTT Broker
278	278

image-20220527134929-6.png

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1		-XWiki.Xiaoling

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