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Changes for page DMT01

Last modified by Dilisi S on 2025/08/17 14:42
From version 45.4
edited by Mengting Qiu
on 2025/08/04 17:26
Change comment: There is no comment for this version
To version 48.1
edited by Mengting Qiu
on 2025/08/04 18:02
Change comment: There is no comment for this version

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272 272  === 2.3.1 Device Status, FPORT~=5 ===
273 273  
274 274  
275 -Users can use the downlink command(**0x26 01**) to ask LTC2-LB to send device configure detail, include device configure status. DMT01 will uplink a payload via FPort=5 to server.
275 +Users can use the downlink command(**0x26 01**) to ask DMT01 to send device configure detail, include device configure status. DMT01 will uplink a payload via FPort=5 to server.
276 276  
277 277  The Payload format is as below.
278 278  
... ... @@ -329,7 +329,110 @@
329 329  Other Bands: Always 0x00
330 330  
331 331  
332 +=== 2.3.2  Sensor Data. FPORT~=2 ===
332 332  
334 +
335 +Sensor Data is uplink via FPORT=2
336 +
337 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
338 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
339 +**Size(bytes)**
340 +)))|=(% style="width: 40px;background-color:#4F81BD;color:white" %)1|=(% style="width: 90px;background-color:#4F81BD;color:white" %)1|=(% style="width: 150px; background-color: #4F81BD;color:white" %)6|=(% style="width: 80px; background-color: #4F81BD;color:white" %)1|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2|=(% style="width: 80px; background-color: #4F81BD;color:white" %)4
341 +|(% style="width:99px" %)Value|(% style="width:69px" %)(((
342 +BoxBat
343 +
344 +
345 +)))|(% style="width:130px" %)DevMode|(% style="width:194px" %)MACaddr|(% style="width:106px" %)ProbeBat|(% style="width:97px" %)(((
346 +Food temperature
347 +)))|(% style="width:97px" %)Ambient temperature|(% style="width:97px" %)Timestamp
348 +
349 +
350 +
351 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
352 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
353 +**Size(bytes)**
354 +)))|=(% style="width: 40px;background-color:#4F81BD;color:white" %)4|=(% style="width: 90px;background-color:#4F81BD;color:white" %)1|=(% style="width: 150px; background-color: #4F81BD;color:white" %)6|=(% style="width: 80px; background-color: #4F81BD;color:white" %)1|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2|=(% style="width: 80px; background-color: #4F81BD;color:white" %)2|=(% style="width: 80px; background-color: #4F81BD;color:white" %)4
355 +|(% style="width:99px" %)Value|(% style="width:69px" %)(((
356 +Timestamp
357 +
358 +
359 +)))|(% style="width:130px" %)DevMode|(% style="width:194px" %)MACaddr|(% style="width:106px" %)ProbeBat|(% style="width:97px" %)(((
360 +Food temperature
361 +)))|(% style="width:97px" %)Ambient temperature|(% style="width:97px" %)
362 +
363 +[[image:1754300947187-648.png||height="641" width="1351"]]
364 +
365 +
366 +(% class="wikigeneratedid" id="HBoxBat" %)
367 +(% style="color:#4472c4" %)**BoxBat**
368 +
369 +Sensor Battery Level.
370 +
371 +Ex1: 0x0B45 = 2885mV
372 +
373 +Ex2: 0x0B49 = 2889mV
374 +
375 +
376 +(% class="wikigeneratedid" id="HDevMode" %)
377 +(% style="color:#4472c4" %)**DevMode**
378 +
379 +
380 +
381 +(% class="wikigeneratedid" id="HMACaddr" %)
382 +(% style="color:#4472c4" %)**MACaddr**
383 +
384 +Read:0x(0197)=412    Value:  407 / 10=40.7, So 40.7%
385 +
386 +
387 +(% class="wikigeneratedid" id="HProbeBat" %)
388 +(% style="color:#4472c4" %)**ProbeBat**
389 +
390 +**Example:**
391 +
392 +If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message.It means that the temperature and humidity exceed the alarm value or trigger an interrupt.
393 +
394 +If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm.
395 +
396 +If payload & 0x80>>7 = 0x01  **~-~->** The PA8 is low level.
397 +
398 +If payload & 0x80>>7 =0x00  **~-~->** The PA8 is high level.
399 +
400 +If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message.
401 +
402 +If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#HPolltheAlarmsettings:]] for detail.
403 +
404 +
405 +(% style="color:#4472c4" %)**Food temperature**
406 +
407 +**Example**:
408 +
409 +If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
410 +
411 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
412 +
413 +(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
414 +
415 +
416 +(% style="color:#4472c4" %)**Ambient temperature**
417 +
418 +**Example**:
419 +
420 +If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
421 +
422 +If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
423 +
424 +(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
425 +
426 +
427 +(% class="wikigeneratedid" id="HUnittimestamp" %)
428 +(% style="color:#4472c4" %)**Unit timestamp**
429 +
430 +Unit TimeStamp Example: 67CF92A7(H) = 1741656743(D)
431 +
432 +Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.
433 +
434 +
435 +
333 333  == 2.4 Bluetoothe Broadcast Payload ==
334 334  
335 335  
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