Wiki source code of TTN Stack 3
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| author | version | line-number | content |
|---|---|---|---|
| 1 | **~ Contents:** | ||
| 2 | |||
| 3 | {{toc/}} | ||
| 4 | |||
| 5 | = 1. Introduction = | ||
| 6 | |||
| 7 | Notes for using Dragino Devices with TTN Stack3. | ||
| 8 | |||
| 9 | = 2. Downlink = | ||
| 10 | |||
| 11 | Use MQTT API for downlink: Reference: [[TTN Stack v3 MQTT reference>>url:https://thethingsstack.io/v3.1.0/guides/getting-started/mqtt/]] | ||
| 12 | |||
| 13 | ((( | ||
| 14 | **Download command is:** | ||
| 15 | ))) | ||
| 16 | |||
| 17 | (% class="box" %) | ||
| 18 | ((( | ||
| 19 | 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}]}' | ||
| 20 | ))) | ||
| 21 | |||
| 22 | ((( | ||
| 23 | The MQTT command use (% style="color:#4f81bd" %)**-h,-p,-u,-P** (%%)options. We can find them in the website. | ||
| 24 | ))) | ||
| 25 | |||
| 26 | [[image:https://wiki.dragino.com/images/thumb/2/2f/Stack_v3_downlink_1.png/800px-Stack_v3_downlink_1.png||alt="File:Stack v3 downlink 1.png" height="459" width="734"]] | ||
| 27 | |||
| 28 | find -h : broker address , -p port and -u: user name | ||
| 29 | |||
| 30 | [[image:https://wiki.dragino.com/images/thumb/a/a6/Stack_v3_downlink_2.png/600px-Stack_v3_downlink_2.png||height="395" width="600"]] | ||
| 31 | |||
| 32 | find -P : Password | ||
| 33 | |||
| 34 | |||
| 35 | User MQTT.FX to simulate a downlink | ||
| 36 | |||
| 37 | [[image:https://wiki.dragino.com/images/thumb/5/5c/Stack_v3_downlink_3.png/800px-Stack_v3_downlink_3.png||alt="File:Stack v3 downlink 3.png" height="534" width="730"]] | ||
| 38 | |||
| 39 | Use MQTT.FX to simulate downlink | ||
| 40 | |||
| 41 | |||
| 42 | Input connection info | ||
| 43 | |||
| 44 | [[image:https://wiki.dragino.com/images/thumb/4/44/Stack_v3_downlink_4.png/600px-Stack_v3_downlink_4.png||height="437" width="600"]] | ||
| 45 | |||
| 46 | Input MQTT connection info | ||
| 47 | |||
| 48 | |||
| 49 | Send a downstream | ||
| 50 | |||
| 51 | [[image:https://wiki.dragino.com/images/thumb/e/ec/Stack_v3_downlink_5.png/600px-Stack_v3_downlink_5.png||alt="Stack v3 downlink 5.png" height="438" width="600"]] | ||
| 52 | |||
| 53 | Gateway traffic for downstream | ||
| 54 | |||
| 55 | [[image:https://wiki.dragino.com/images/thumb/8/8a/Stack_v3_downlink_8.png/600px-Stack_v3_downlink_8.png||alt="Stack v3 downlink 8.png" height="235" width="600"]] | ||
| 56 | |||
| 57 | |||
| 58 | Downstream data flow will like below: | ||
| 59 | |||
| 60 | [[image:https://wiki.dragino.com/images/thumb/d/d1/Stack_v3_downlink_6.png/600px-Stack_v3_downlink_6.png||alt="Stack v3 downlink 6.png" height="233" width="600"]] | ||
| 61 | |||
| 62 | [[image:https://wiki.dragino.com/images/1/1f/Stack_v3_downlink_7.png||alt="Stack v3 downlink 7.png" height="371" width="453"]] | ||
| 63 | |||
| 64 | = 3. Trouble Shooting = | ||
| 65 | |||
| 66 | == 3.1 Problem when register a device to TTNv3 if it is already register to TTNv2 == | ||
| 67 | |||
| 68 | When you register the device in V2 and V3 with the same key and EUI, the device can only connect to V2. | ||
| 69 | |||
| 70 | [[image:https://wiki.dragino.com/images/thumb/0/0d/V3v2.png/600px-V3v2.png||alt="V3v2.png" height="403" width="600"]] | ||
| 71 | |||
| 72 | [[image:https://wiki.dragino.com/images/thumb/b/b9/V2v3.png/600px-V2v3.png||alt="V2v3.png" height="352" width="600"]] | ||
| 73 | |||
| 74 | If you want the device to connect to V3. You must change your key and EUI, or delete the device registered on V2. | ||
| 75 | |||
| 76 | == 3.2 MIC Mismatch or MIC Failed == | ||
| 77 | |||
| 78 | ((( | ||
| 79 | ((( | ||
| 80 | When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs. | ||
| 81 | ))) | ||
| 82 | ))) | ||
| 83 | |||
| 84 | ((( | ||
| 85 | ((( | ||
| 86 | Under normal circumstances, users need to change the APPKEY to solve this problem. | ||
| 87 | ))) | ||
| 88 | ))) | ||
| 89 | |||
| 90 | [[image:https://wiki.dragino.com/images/thumb/d/dd/MIC_mismatch.png/600px-MIC_mismatch.png||height="208" width="600"]] | ||
| 91 | |||
| 92 | MIC Mismatch |