Changes for page MQTT Forward Instruction
Last modified by Kilight Cao on 2024/08/31 16:26
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... ... @@ -7,7 +7,6 @@ 7 7 8 8 Dragino LoRa/LoRaWAN gateway support MQTT forwarding. It can forward the sensor data from LoRa network to MQTT server , and vice verse. 9 9 10 - 11 11 == 1.1 Support Devices == 12 12 13 13 This MQTT forward instruction is for below devices: ... ... @@ -38,7 +38,7 @@ 38 38 * For Uplink: The sensor sends data to LoRa Gateway via LoRa wireless, The gateway will process these data and forward to remote MQTT Broker via Internet. 39 39 * For Downlink: The gateway subscribe a topic in the MQTT broker, when there is update on the topic, the gateway will know and broadcast the data to Local LoRa network, 40 40 41 -[[image:image -20220527133547-1.png]]40 +[[image:https://wiki.dragino.com/images/thumb/4/45/MQTT_Forward_1.png/600px-MQTT_Forward_1.png||height="348" width="600"]] 42 42 43 43 General MQTT structure 44 44 ... ... @@ -56,7 +56,7 @@ 56 56 The data flow works as below diagram. 57 57 ))) 58 58 59 -[[image:image -20220527134000-2.png]]58 +[[~[~[image:https://wiki.dragino.com/images/thumb/2/2a/MQTT_Forward_2.png/600px-MQTT_Forward_2.png~|~|height="355" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:MQTT_Forward_2.png]] 60 60 61 61 ((( 62 62 Upstream path ... ... @@ -78,7 +78,7 @@ 78 78 Below are the data flow for downstream. 79 79 ))) 80 80 81 -[[image:image -20220527134038-3.png]]80 +[[image:https://wiki.dragino.com/images/thumb/3/3a/MQTT_Forward_3.png/600px-MQTT_Forward_3.png||height="368" width="600"]] 82 82 83 83 Downstream path 84 84 ... ... @@ -88,9 +88,7 @@ 88 88 The MQTT publish command use Macro settings to generate flexible upstream payload for MQTT publish. 89 89 90 90 ((( 91 -Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros. 92 - 93 - 90 +Currently the (% class="mark" %)**-t (topic)**(%%) and (% class="mark" %)**-m (message)**(%%) support Macros. 94 94 ))) 95 95 96 96 === 3.3.1 -t topic macro === ... ... @@ -101,7 +101,6 @@ 101 101 * USERNAME: User ID (-u) 102 102 * HOSTNAME: Device Hostname 103 103 104 - 105 105 === 3.3.2 -m message macro === 106 106 107 107 * HOSTNAME: Device Hostname ... ... @@ -110,10 +110,9 @@ 110 110 * META: Completely sensor data with time stamp and rssi 111 111 * JSON: Convert META to json format. 112 112 113 - 114 114 === 3.3.3 Example for Macro === 115 115 116 -[[image:image -20220527134251-4.png]]111 +[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]] 117 117 118 118 MQTT Publish configure 119 119 ... ... @@ -124,12 +124,12 @@ 124 124 125 125 When there is a LoRa sensor arrive. it will be store at the /var/iot/channels as below: 126 126 127 -[[image:image -20220527134332-5.png]]122 +[[image:https://wiki.dragino.com/images/thumb/c/c4/MQTT_Command_20.png/600px-MQTT_Command_20.png||height="325" width="600"]] 128 128 129 129 Sensor Data 130 130 131 131 ((( 132 -According to above macro. Gateway will publish (% style="color:#4f81bd" %)**field1=22.0&field2=49.0**(%%) to topic: (%style="color:#4f81bd" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID.127 +According to above macro. Gateway will publish (% class="mark" %)**field1=22.0&field2=49.0**(%%) to topic: (% class="mark" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID. 133 133 ))) 134 134 135 135
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