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Changes for page DMT01

Last modified by Xiaoling on 2025/08/15 17:26
From version 48.13
edited by Mengting Qiu
on 2025/08/04 18:13
Change comment: There is no comment for this version
To version 55.1
edited by Mengting Qiu
on 2025/08/04 19:56
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
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350 350  
351 351  
352 352  
353 -(% class="wikigeneratedid" id="HUnittimestamp" %)
354 -(% style="color:#4472c4" %)**Unit timestamp**
353 +==== (% style="color:#4472c4" %)**Unit timestamp**(%%) ====
355 355  
356 356  Unit TimeStamp Example: 689085D7(H) = 1754301911(D)
357 357  
... ... @@ -358,83 +358,154 @@
358 358  Put the decimal value into this link([[https:~~/~~/www.epochconverter.com)>>https://www.epochconverter.com]])to get the time.
359 359  
360 360  
361 -(% class="wikigeneratedid" id="HDevMode" %)
362 -(% style="color:#4472c4" %)**DevMode**
360 +==== (% style="color:#4472c4" %)**DevMode**(%%) ====
363 363  
364 -Example：
362 +**Example**：
365 365  
366 -if payload is 0x01: BLE_LoRa
364 +If payload is 0x01: BLE_LoRa
367 367  
368 -if payload is 0x02: LoRa
366 +If payload is 0x02: LoRa
369 369  
370 -if payload is 0x03: BLE
368 +If payload is 0x03: BLE
371 371  
372 372  
373 -(% class="wikigeneratedid" id="HMACaddr" %)
374 -(% style="color:#4472c4" %)**MACaddr**
371 +==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
375 375  
376 -Example:
373 +**Example**:
377 377  
378 -If payload is 0xC12309250F1A = C12309250F1A
375 +If the payload is C12309250F1A, the MACaddr is C12309250F1A
379 379  
380 380  
381 -(% class="wikigeneratedid" id="HProbeBat" %)
382 -(% style="color:#4472c4" %)**ProbeBat**
378 +==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
383 383  
384 384  **Example:**
385 385  
386 -If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message.It means that the temperature and humidity exceed the alarm value or trigger an interrupt.
382 +If payload is 0x64 = 100%
387 387  
388 -If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm.
389 389  
390 -If payload & 0x80>>7 = 0x01  **~-~->** The PA8 is low level.
385 +==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
391 391  
392 -If payload & 0x80>>7 =0x00  **~-~->** The PA8 is high level.
387 +**Example:**
393 393  
394 -If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message.
389 +If payload is 0x46 = 70%
395 395  
396 -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.
397 397  
392 +==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
398 398  
399 -(% class="wikigeneratedid" id="HBoxBat" %)
400 -(% style="color:#4472c4" %)**BoxBat**
394 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
401 401  
402 -Sensor Battery Level.
396 +**Example**:
403 403  
404 -Ex1: 0x0B45 = 2885mV
398 +If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
405 405  
406 -Ex2: 0x0B49 = 2889mV
400 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
407 407  
408 408  
409 -(% style="color:#4472c4" %)**Food temperature**
403 +==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
410 410  
405 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
406 +
411 411  **Example**:
412 412  
413 -If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
409 +If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
414 414  
415 -If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
411 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
416 416  
417 -(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
418 418  
419 419  
420 -(% style="color:#4472c4" %)**Ambient temperature**
415 +== 2.4 Bluetoothe Broadcast Payload ==
421 421  
417 +=== 2.4.1 How to use the scanning tool ===
418 +
419 +
420 +
421 +
422 +=== 2.4.2 Data Analysis ===
423 +
424 +Scan and obtain DMT01 device broadcast data through a third-party mobile phone app (such as nRF Connect)
425 +
426 +Example：
427 +
428 +Note: The following data is obtained through the **nRF Connect tool**.
429 +
430 +[[image:1754305290140-806.jpg||height="680" width="432"]]
431 +
432 +
433 +If the scanned payload is 0x0201060609444D5430310EFF  **01C12309250F1AD100CD006446   **0512E001E001
434 +
435 +(% style="color:red" %)**Note**(%%)：
436 +
437 +* The first 12 bytes in the payload are the Bluetooth packet header data and do not need to be decoded.
438 +* The last 6 bytes in the payload are the Bluetooth packet trailer data and do not need to be decoded.
439 +
440 +So the payload is：**01C12309250F1AD100CD006446**
441 +
442 +
443 +==== (% style="color:#4472c4" %)**Bluetooth data packet frame header**(%%) ====
444 +
445 +Example: 0x0201060609444D5430310EFF
446 +
447 +
448 +==== (% style="color:#4472c4" %)**DevMode**(%%) ====
449 +
450 +**Example**：
451 +
452 +If payload is 0x01: BLE_LoRa
453 +
454 +If payload is 0x02: LoRa
455 +
456 +If payload is 0x03: BLE
457 +
458 +
459 +==== (% style="color:#4472c4" %)**MACaddr**(%%) ====
460 +
422 422  **Example**:
423 423  
424 -If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
463 +If the payload is C12309250F1A, the MACaddr is C12309250F1A
425 425  
426 -If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
427 427  
428 -(FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
466 +==== (% style="color:#4472c4" %)**ProbeBat**(%%) ====
429 429  
468 +**Example:**
430 430  
470 +If payload is 0x64 = 100%
431 431  
432 -== 2.4 Bluetoothe Broadcast Payload ==
433 433  
473 +==== (% style="color:#4472c4" %)**BoxBat**(%%) ====
434 434  
475 +**Example:**
435 435  
477 +If payload is 0x46 = 70%
436 436  
437 437  
480 +==== (% style="color:#4472c4" %)**Food temperature**(%%) ====
481 +
482 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
483 +
484 +**Example**:
485 +
486 +If payload is: D300H = 00D3H, temp = 00D3H /10 = 21.1 degree
487 +
488 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
489 +
490 +
491 +==== (% style="color:#4472c4" %)**Ambient temperature**(%%) ====
492 +
493 +Because the food temperature data is a little-endian sequence, the order of the front and back bytes needs to be swapped during decoding.
494 +
495 +**Example**:
496 +
497 +If payload is: D200H = 00D2H, temp = 00D2H /10 = 21.0 degree
498 +
499 +If payload is: 3FFFH  = FF3F , temp = (FF3FH - 65536)/10 = -19.3 degrees.
500 +
501 +
502 +==== (% style="color:#4472c4" %)**Bluetooth data packet frame tail**(%%) ====
503 +
504 +Example: 0x0512E001E001
505 +
506 +
507 +
438 438  = 3. Configure DMT01  ~-~- 需要修改 =
439 439  
440 440  == 3.1 Configure Methods ==
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