Wiki source code of TTN Stack 3
Last modified by Xiaoling on 2023/04/23 15:28
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14.5 | 1 | **~ Table of Contents:** |
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1.1 | 2 | |
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1.5 | 3 | {{toc/}} |
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1.3 | 4 | |
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14.2 | 5 | |
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14.5 | 8 | = 1. Introduction = |
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1.3 | 9 | |
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14.5 | 10 | |
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1.2 | 11 | Notes for using Dragino Devices with TTN Stack3. |
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1.1 | 12 | |
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2.2 | 13 | |
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14.5 | 14 | = 2. Downlink = |
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1.2 | 17 | Use MQTT API for downlink: Reference: [[TTN Stack v3 MQTT reference>>url:https://thethingsstack.io/v3.1.0/guides/getting-started/mqtt/]] |
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1.1 | 18 | |
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1.7 | 19 | ((( |
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14.5 | 20 | (% style="color:blue" %)**Download command is:** |
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1.7 | 21 | ))) |
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1.1 | 22 | |
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1.3 | 23 | (% class="box" %) |
24 | ((( | ||
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1.2 | 25 | mosquitto_pub -h eu1.cloud.thethings.industries -p 1883 -t v3/akXXXXXps@XXXXXX/devices/lsn50/down/push -u akXXXXXps@XXXXXX -P NNSXS.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.LVQZECLX5FZ3XO5ACOW47IZ6HM54DMBBU776C53ZQHPLPQALIXYA -m '{"downlinks":[{"f_port": 2,"frm_payload":"AwAA","priority": "HIGH","confirmed": true}]}' |
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1.3 | 26 | ))) |
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1.1 | 27 | |
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1.7 | 28 | ((( |
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14.5 | 29 | |
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14.6 | 31 | The MQTT command use (% style="color:blue" %)**-h,-p,-u,-P** (%%)options. We can find them in the website. |
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14.5 | 32 | |
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1.7 | 34 | ))) |
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1.1 | 35 | |
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4.2 | 36 | [[image:image-20220526142338-3.png]] |
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1.1 | 37 | |
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14.7 | 38 | **find -h : broker address , -p port and -u: user name** |
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1.1 | 39 | |
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14.3 | 40 | |
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14.7 | 41 | |
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4.2 | 42 | [[image:image-20220526142307-2.png]] |
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1.1 | 43 | |
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14.7 | 44 | **find -P : Password** |
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1.1 | 45 | |
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14.7 | 47 | |
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1.2 | 48 | User MQTT.FX to simulate a downlink |
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1.1 | 49 | |
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5.2 | 50 | [[image:image-20220526142421-4.png]] |
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1.2 | 51 | |
52 | Use MQTT.FX to simulate downlink | ||
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14.7 | 55 | |
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1.2 | 56 | Input connection info |
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10.2 | 58 | [[image:image-20220526142512-5.png]] |
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1.2 | 59 | |
60 | Input MQTT connection info | ||
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14.7 | 63 | |
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1.2 | 64 | Send a downstream |
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10.2 | 66 | [[image:image-20220526142539-6.png]] |
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1.2 | 67 | |
68 | Gateway traffic for downstream | ||
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14.4 | 70 | |
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14.7 | 71 | |
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10.2 | 72 | [[image:image-20220526142616-7.png||height="579" width="1407"]] |
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1.2 | 73 | |
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14.7 | 75 | |
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1.2 | 76 | Downstream data flow will like below: |
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10.2 | 78 | [[image:image-20220526142741-8.png]] |
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1.2 | 79 | |
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10.2 | 80 | [[image:image-20220526142826-9.png]] |
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1.2 | 81 | |
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10.2 | 82 | |
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14.7 | 83 | = 3. Trouble Shooting = |
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1.2 | 84 | |
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14.7 | 85 | == 3.1 Problem when register a device to TTNv3 if it is already register to TTNv2 == |
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1.2 | 88 | When you register the device in V2 and V3 with the same key and EUI, the device can only connect to V2. |
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14.7 | 90 | |
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13.2 | 91 | [[image:image-20220526142914-10.png]] |
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1.2 | 92 | |
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13.2 | 93 | [[image:image-20220526143018-11.png||height="619" width="1049"]] |
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1.2 | 94 | |
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14.7 | 95 | |
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1.2 | 96 | If you want the device to connect to V3. You must change your key and EUI, or delete the device registered on V2. |
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13.2 | 98 | |
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14.7 | 99 | == 3.2 MIC Mismatch or MIC Failed == |
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1.3 | 102 | ((( |
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1.4 | 103 | ((( |
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1.2 | 104 | When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs. |
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1.3 | 105 | ))) |
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1.4 | 106 | ))) |
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1.2 | 107 | |
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1.3 | 108 | ((( |
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1.4 | 109 | ((( |
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1.2 | 110 | Under normal circumstances, users need to change the APPKEY to solve this problem. |
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14.7 | 111 | |
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1.3 | 113 | ))) |
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1.4 | 114 | ))) |
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1.2 | 115 | |
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13.2 | 116 | [[image:image-20220526143057-12.png]] |
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1.2 | 117 | |
118 | MIC Mismatch |