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Last modified by Xiaoling on 2023/12/27 09:15
From version 193.1
edited by Bei Jinggeng
on 2023/03/02 14:53
Change comment: Uploaded new attachment "image-20230302145315-1.png", version {1}
To version 195.1
edited by Bei Jinggeng
on 2023/03/07 13:59
Change comment: Uploaded new attachment "image-20230307135914-1.png", version {1}

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331 331  * Latitude: 02863D68  ⇒  //if (0x//02863D68//& 0x80000000 = 0 )~://  //value = 02863D68 /1000000 = 42.351976//
332 332  * Longitude: FAC29BAF  ⇒ //if (0x//FAC29BAF// & 0x80000000 = 1 )~://  //value = (0x//FAC29BAF// – 0x 100000000)/1000000 =//-87.9094//57//
333 333  
334 -
335 335  (% style="color:red" %)**Important note:**
336 336  
337 337  1.  When power is low (<2.84v), GPS won't be able to get location info and GPS feature will be disabled and the location field will be filled with 0x0FFFFFFF, 0x0FFFFFFF.
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489 489  (% style="display:none" %) (%%)
490 490  
491 491  
492 -=== 2.4.6  Uplink FPORT~=8, WiFi Positioning with Strongest WiFi SSID（Since firmware 1.4.1） ===
491 +=== 2.4.6  Uplink FPORT~=7, Alarm information status（Since firmware 1.4.4） ===
493 493  
494 494  
494 +The upward link device is configured to FPORT = 7. Once Trackerd alarm, it will upload the news to the server.
495 +
496 +(% border="1.5" cellspacing="3" style="background-color:#ffffcc; color:green; width:450px" %)
497 +|**Size(bytes)**|2|1
498 +|**Value**|[[Alarm & BAT>>path:#HAlarm26BAT:]]|Mod+lon
499 +
500 + [[image:image-20230302145315-1.png]]
501 +
502 +alarm=(bytes[0] & 0x40)  ~/~/ Alarm status
503 +
504 +batV=~(~(~(bytes[0] & 0x3f) <<8) | bytes[1])/1000;  ~/~/ Battery,units:V
505 +
506 +mod = bytes[2] & 0xC0;
507 +
508 +Lon=(bytes[2] & 0x20)
509 +
510 +
511 +=== 2.4.7  Uplink FPORT~=8, WiFi Positioning with Strongest WiFi SSID（Since firmware 1.4.1） ===
512 +
513 +
495 495  TrackerD supports WiFi scans for indoor positioning. User can set [[**SMOD**>>||anchor="H3.2.7SetPositioningMode"]] to **WiFi** so TrackerD will scan WiFi and find the strongest WiFi info and uplink.
496 496  
497 497  
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514 514  (% style="display:none" %) (%%)
515 515  
516 516  
517 -=== 2.4.7  Add Payload format in TTN V3 ===
536 +=== 2.4.8  Add Payload format in TTN V3 ===
518 518  
519 519  
520 520  In TTN V3, user can add a custom payload so it shows friendly.
image-20230307135914-1.png
Author
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1 +XWiki.Bei
Size
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1 +131.8 KB
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