Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 18.1 >
edited by Edwin Chen
on 2022/06/02 15:24
To version < 19.3 >
edited by Xiaoling
on 2022/11/15 09:02
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -1,4 +1,4 @@
1 -**Contents： **
1 +**Table of Contents： **
2 2  
3 3  {{toc/}}
4 4  
... ... @@ -5,9 +5,11 @@
5 5  
6 6  
7 7  
8 -= **1. Overview** =
8 += 1. Overview =
9 9  
10 10  (((
11 +
12 +
11 11  Shipped LT-22222-L is base on LoRaWAN protocol. We also develop a open source Point to Point LoRa protocol for LT-22222-L. The source code and hex file can be found at:
12 12  )))
13 13  
... ... @@ -16,34 +16,36 @@
16 16  )))
17 17  
18 18  
19 -= **2. Features for this firmware** =
21 += 2. Features for this firmware =
20 20  
21 -== **2.1  Point To Point** ==
23 +== 2.1  Point To Point ==
22 22  
23 -=== **2.1.1 Overview** ===
25 +=== 2.1.1 Overview ===
24 24  
25 25  
26 26  [[image:image-20220602111219-1.png||height="472" width="972"]]
27 27  
28 28  
29 -=== **2.2.2 Configure** ===
31 +=== 2.2.2 Configure ===
30 30  
31 31  
32 -(% border="1" style="background-color:#f7faff; color:black; width:500px" %)
33 -|=**A's configuration**|=**B's configuration**
34 -|AT+GROUPMOD=0|AT+GROUPMOD=0
35 -|AT+TXCHS=868700000|AT+TXCHS=869000000
36 -|AT+RXCHS=869000000|AT+RXCHS=868700000
37 -|AT+TRIG1=2,50|AT+TRIG1=2,50
38 -|AT+TRIG2=2,50|AT+TRIG2=2,50
39 -|AT+DI1TODO1=2|AT+DI1TODO1=2
40 -|AT+DI1TORO1=2|AT+DI1TORO1=2
41 -|AT+DI2TODO2=2 |AT+DI2TODO2=2
42 -|AT+DI2TORO2=2|AT+DI2TORO2=2
34 +(% border="1" style="background-color:#f7faff; color:black; width:360px" %)
35 +|=(% style="width: 179px;" %)**A's configuration**|=(% style="width: 177px;" %)**B's configuration**
36 +|(% style="width:179px" %)AT+GROUPMOD=0|(% style="width:177px" %)AT+GROUPMOD=0
37 +|(% style="width:179px" %)AT+TXCHS=868700000|(% style="width:177px" %)AT+TXCHS=869000000
38 +|(% style="width:179px" %)AT+RXCHS=869000000|(% style="width:177px" %)AT+RXCHS=868700000
39 +|(% style="width:179px" %)AT+TRIG1=2,50|(% style="width:177px" %)AT+TRIG1=2,50
40 +|(% style="width:179px" %)AT+TRIG2=2,50|(% style="width:177px" %)AT+TRIG2=2,50
41 +|(% style="width:179px" %)AT+DI1TODO1=2|(% style="width:177px" %)AT+DI1TODO1=2
42 +|(% style="width:179px" %)AT+DI1TORO1=2|(% style="width:177px" %)AT+DI1TORO1=2
43 +|(% style="width:179px" %)AT+DI2TODO2=2 |(% style="width:177px" %)AT+DI2TODO2=2
44 +|(% style="width:179px" %)AT+DI2TORO2=2|(% style="width:177px" %)AT+DI2TORO2=2
43 43  
44 -=== **2.2.3 Serial port display** ===
45 45  
46 46  
48 +=== 2.2.3 Serial port display ===
49 +
50 +
47 47  (% class="wikigeneratedid" %)
48 48  [[image:image-20220602111219-2.png]]
49 49  
... ... @@ -51,22 +51,23 @@
51 51  (% class="wikigeneratedid" %)
52 52  [[image:image-20220602111219-3.png]]
53 53  
58 +
54 54  (% class="wikigeneratedid" %)
55 55  If the sender does not get the ACK reply from the receiver, it will retransmit up to 4 times, each interval is 6 seconds, and the UplinkCounter of the retransmission will not increase.
56 56  
57 57  
58 -== **2.2  Point To Mult-Point ** ==
63 +== 2.2  Point To Mult-Point ==
59 59  
60 -=== **2.2.1 Overview** ===
65 +=== 2.2.1 Overview ===
61 61  
62 62  
63 63  [[image:1654152390874-192.png]]
64 64  
65 65  
66 -=== **2.2.2  Configure** ===
71 +=== 2.2.2  Configure ===
67 67  
68 68  
69 -(% style="color:#4f81bd" %)**Configuration of the TX group:**
74 +(% style="color:blue" %)**Configuration of the TX group:**
70 70  
71 71  AT+GROUPMOD=0,2
72 72  
... ... @@ -87,7 +87,7 @@
87 87  AT+DI2TORO2=1
88 88  
89 89  
90 -(% style="color:#4f81bd" %)**Configuration for RX group number 1:**
95 +(% style="color:blue" %)**Configuration for RX group number 1:**
91 91  
92 92  AT+GROUPMOD=1,1
93 93  
... ... @@ -96,7 +96,7 @@
96 96  AT+RXCHS=868700000
97 97  
98 98  
99 -(% style="color:#4f81bd" %)**Configuration for RX group number 2:**
104 +(% style="color:blue" %)**Configuration for RX group number 2:**
100 100  
101 101  AT+GROUPMOD=1,2
102 102  
... ... @@ -105,7 +105,7 @@
105 105  AT+RXCHS=868700000
106 106  
107 107  
108 -=== **2.2.3 Serial port display** ===
113 +=== 2.2.3 Serial port display ===
109 109  
110 110  
111 111  [[image:image-20220602144747-1.png]]
... ... @@ -113,12 +113,13 @@
113 113  
114 114  [[image:image-20220602144747-2.png]]
115 115  
121 +
116 116  (((
117 117  If the TX group does not receive all the ACK replies from the RX group, it will retransmit up to 4 times, each time interval is 30 seconds, and the retransmission UplinkCounter will not increase.
118 118  )))
119 119  
120 120  
121 -== **2.3 AT command** ==
127 +== 2.3 AT command ==
122 122  
123 123  
124 124  (((
... ... @@ -219,28 +219,18 @@
219 219  (% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
220 220  )))
221 221  
222 -(((
223 -
224 -)))
225 225  
226 226  (((
227 -
230 +(% style="color:blue" %)**Example 1:**
228 228  )))
229 229  
230 230  (((
231 -(% style="color:#4f81bd" %)**Example 1:**
232 -)))
233 -
234 -(((
235 235  **AT+SEND=01020304 **will send a payload of 01020304
236 236  )))
237 237  
238 -(((
239 -
240 -)))
241 241  
242 242  (((
243 -(% style="color:#4f81bd" %)**Example 2: **
239 +(% style="color:blue" %)**Example 2: **
244 244  )))
245 245  
246 246  (((
... ... @@ -252,31 +252,28 @@
252 252  )))
253 253  
254 254  (((
255 -a=0: falling edge;
251 +**a=0:** falling edge;
256 256  )))
257 257  
258 258  (((
259 -a=1: rising edge;
255 +**a=1: **rising edge;
260 260  )))
261 261  
262 262  (((
263 -a=2: falling edge or rising edge;
259 +**a=2:** falling edge or rising edge;
264 264  )))
265 265  
266 266  (((
267 -b:  triggering time in milliseconds.
263 +**b:**  triggering time in milliseconds.
268 268  )))
269 269  
270 270  (((
271 -AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
267 +**AT+TRIGx=2,50**  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
272 272  )))
273 273  
274 -(((
275 -
276 -)))
277 277  
278 278  (((
279 -(% style="color:#4f81bd" %)**Example 3: **
272 +(% style="color:blue" %)**Example 3: **
280 280  )))
281 281  
282 282  (((
... ... @@ -299,12 +299,12 @@
299 299  
300 300  )))
301 301  
302 -(% border="1" style="background-color:#f7faff; color:black; width:706px" %)
295 +(% border="1" style="background-color:#f7faff; color:black; width:690px" %)
303 303  |=(% style="width: 102px;" %)(((
304 304  Maps value
305 305  )))|=(% style="width: 331px;" %)(((
306 306  DIx to DOx
307 -)))|=(% style="width: 268px;" %)(((
300 +)))|=(% style="width: 251px;" %)(((
308 308  DIx to ROx
309 309  )))
310 310  |(% style="width:102px" %)(((
... ... @@ -311,7 +311,7 @@
311 311  0
312 312  )))|(% style="width:331px" %)(((
313 313  No Action
314 -)))|(% style="width:268px" %)(((
307 +)))|(% style="width:251px" %)(((
315 315  No Action
316 316  )))
317 317  |(% style="width:102px" %)(((
... ... @@ -318,7 +318,7 @@
318 318  1
319 319  )))|(% style="width:331px" %)(((
320 320  If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level
321 -)))|(% style="width:268px" %)(((
314 +)))|(% style="width:251px" %)(((
322 322  (((
323 323  If DIx is high, control ROx to close,
324 324  )))
... ... @@ -331,7 +331,7 @@
331 331  2
332 332  )))|(% style="width:331px" %)(((
333 333  If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level
334 -)))|(% style="width:268px" %)(((
327 +)))|(% style="width:251px" %)(((
335 335  (((
336 336  If DIx is high, control ROx to open,
337 337  )))
... ... @@ -344,12 +344,14 @@
344 344  3
345 345  )))|(% style="width:331px" %)(((
346 346  DOx state flip
347 -)))|(% style="width:268px" %)(((
340 +)))|(% style="width:251px" %)(((
348 348  ROx state flip
349 349  )))
350 350  
351 351  (((
352 -(% style="color:#4f81bd" %)**Example 4: **
345 +
346 +
347 +(% style="color:blue" %)**Example 4: **
353 353  )))
354 354  
355 355  (((
... ... @@ -361,10 +361,8 @@
361 361  )))
362 362  
363 363  (((
364 -(((
365 365  **AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
366 366  )))
367 -)))
368 368  
369 369  (((
370 370  **AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
... ... @@ -379,73 +379,272 @@
379 379  )))
380 380  
381 381  
382 -== **2.4 Data Format** ==
375 +=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3) ===
383 383  
384 -(((
385 -8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
377 +
378 +**AT+TRIGx=a  **Trigger transmit directly without triggering time
379 +
380 +**AT+TRIGx=a,b**  Trigger transmit with triggering time threshold
381 +
382 +**AT+TRIGx=a,b,c  **Trigger transmit with triggering time threshold, and continue to transmit every xx seconds if DI status no change.
383 +
384 +
385 +**a=0:** falling edge;
386 +
387 +**a=1:** rising edge;
388 +
389 +**a=2:** falling edge or rising edge;
390 +
391 +**b:**  triggering time in milliseconds.
392 +
393 +**c:** transmit interval
394 +
395 +
396 +(% style="color:blue" %)**Use Case 1**(%%):  Once the DI1 port status change ( either from low to high or high to low, LT1 sends a trigger to LT-2)
397 +
398 +**Command:**
399 +
400 +**AT+TRIG1=2,50**  Falling edge or rising edge trigger, and the trigger time should exceed 50ms.
401 +
402 +
403 +(% style="color:blue" %)**Use Case 2:  **(%%)Sync LT2 RO / DO status with LT1 every minute.
404 +
405 +**Command:**
406 +
407 +**AT+TRIG2=2,50,60**  Once there is falling edge or rising edge on DI2 of LT1, LT1 will transmit trigger to LT2 and LT2 can sync the status of RO/DO.
408 +
409 +
410 +=== 2.3.2 RO/DO is configured in the receiver LT (LT2)(Since firmware 1.3) ===
411 +
412 +
413 +AT+DI1TODO1= maps value[,latch time]
414 +
415 +AT+DI1TORO1= maps value[,latch time]
416 +
417 +AT+DI2TODO2= maps value[,latch time]
418 +
419 +AT+DI2TORO2= maps value[,latch time]
420 +
421 +
422 +(% border="1" style="background-color:#f7faff; color:black; width:774px" %)
423 +|(% style="width:105px" %) **Maps value**|(% style="width:415px" %)**DIx to DOx**|(% style="width:249px" %)**DIx to ROx**
424 +|(% style="width:105px" %)0|(% style="width:415px" %)No Action|(% style="width:249px" %)No Action
425 +|(% style="width:105px" %)1|(% style="width:415px" %)If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level|(% style="width:249px" %)(((
426 +If DIx is high, control ROx to close,
427 +
428 +if DIx is low, control ROx to open
386 386  )))
430 +|(% style="width:105px" %)2|(% style="width:415px" %)If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level|(% style="width:249px" %)(((
431 +If DIx is high, control ROx to open,
387 387  
433 +if DIx is low, control ROx to close
434 +)))
435 +|(% style="width:105px" %)3|(% style="width:415px" %)DOx state flip|(% style="width:249px" %)ROx state flip
436 +
437 +latch time, if latch time is defined, DO or RO will go back to the original status after latch time, if there is a new trigger comes, the LT2 will use the new latch time settings and ignore the old one.
438 +
439 +
440 +(% style="color:blue" %)**Case1**:
441 +
442 +AT+DI1TODO1=1 ~/~/ LT2 DO1 will follow LT1 DI1 trigger command, if DI1 of LT1 is trigger high, DO1 of LT2 will output low, if DI1 of LT1 is trigger low, DO2 of LT2 will output high.
443 +
444 +
445 +(% style="color:blue" %)**Case2**:
446 +
447 +AT+DI1TODO1=1,60 ~/~/ LT2 DO1 will follow LT1 DI1 trigger command, DO1 will keep the status 60 seconds and then go back to original state.
448 +
449 +
450 +=== 2.3.3 Save the RO/DO status during power off(Since firmware 1.3) ===
451 +
452 +
453 +Enable/Disbale retain Digital Output/Relay Output after power off / Power On
454 +
455 +AT+DOROSAVE=0  ~/~/ Disable Retain after power off/on
456 +
457 +AT+DOROSAVE=1  ~/~/ Enable Retain after power off/on
458 +
459 +AT+DOROSAVE=2,a,b,c,d  ~/~/ set DO/RO port to default state after power on.
460 +
461 +a: for DO1
462 +
463 +b: for DO2
464 +
465 +c: for RO1
466 +
467 +d: for RO2.
468 +
469 +
470 +**Example:**
471 +
472 +AT+DOROSAVE=2,0,0,0,1  ~/~/ Set DO1/DO2 to Low, RO1 to open after power on , set RO2 to close after power on.
473 +
474 +
475 +=== 2.3.4 Control Sleep status.(Since firmware 1.3) ===
476 +
477 +
478 +DI2 can be used to set LT into sleep mode.
479 +
480 +AT+DI2SLEEP=1  ~/~/  Enable DI2 as Sleep pin
481 +
482 +AT+DI2SLEEP=0  ~/~/  Disable DI2 as Sleep pin
483 +
484 +When DI2 is enabled as sleep pin, a falling trigger (with 500ms pulse) will set LT into sleep mode. A raising trigger will wake up it again.
485 +
486 +
487 +== 2.4 Data Format ==
488 +
489 +
388 388  (((
389 -
491 +8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
390 390  )))
391 391  
392 392  (((
393 -(% style="color:#4f81bd" %)**Payload:**
495 +(% style="color:blue" %)**Payload:**
394 394  )))
395 395  
396 -(% border="1" style="background-color:#f7faff; color:black; width:938px" %)
397 -|=(% style="width: 123px;" %)(((
498 +(% border="1" style="background-color:#f7faff; color:black; width:825px" %)
499 +|=(% style="width: 102px;" %)(((
398 398  **Size (bytes)**
399 -)))|=(% style="width: 107px;" %)(((
501 +)))|=(% style="width: 74px;" %)(((
400 400  1
401 -)))|=(% style="width: 107px;" %)(((
503 +)))|=(% style="width: 72px;" %)(((
402 402  1
403 -)))|=(% style="width: 107px;" %)(((
505 +)))|=(% style="width: 47px;" %)(((
404 404  1
405 -)))|=(% style="width: 107px;" %)(((
507 +)))|=(% style="width: 83px;" %)(((
406 406  1
407 -)))|=(% style="width: 107px;" %)(((
509 +)))|=(% style="width: 90px;" %)(((
408 408  1
409 -)))|=(% style="width: 107px;" %)(((
511 +)))|=(% style="width: 92px;" %)(((
410 410  1
411 -)))|=(% style="width: 107px;" %)(((
513 +)))|=(% style="width: 78px;" %)(((
412 412  1
413 -)))|=(% style="width: 107px;" %)(((
515 +)))|=(% style="width: 91px;" %)(((
414 414  1
415 -)))|=(% style="width: 107px;" %)(((
517 +)))|=(% style="width: 91px;" %)(((
416 416  1
417 417  )))
418 -|(% style="width:123px" %)(((
520 +|(% style="width:102px" %)(((
419 419  **Value**
420 -)))|(% style="width:38px" %)(((
522 +)))|(% style="width:74px" %)(((
421 421  address
422 -)))|(% style="width:70px" %)(((
524 +)))|(% style="width:72px" %)(((
423 423  request
424 -)))|(% style="width:52px" %)(((
526 +)))|(% style="width:47px" %)(((
425 425  ACK
426 -)))|(% style="width:127px" %)(((
528 +)))|(% style="width:83px" %)(((
427 427  (((
428 428  DI1&
429 -)))
430 -
431 -(((
432 432  DI1 level
433 433  )))
434 -)))|(% style="width:101px" %)(((
533 +)))|(% style="width:90px" %)(((
435 435  DI1TODO1
436 -)))|(% style="width:91px" %)(((
535 +)))|(% style="width:92px" %)(((
437 437  DI1TORO1
438 -)))|(% style="width:111px" %)(((
537 +)))|(% style="width:78px" %)(((
439 439  (((
440 440  DI2&
540 +DI2 leve
441 441  )))
542 +)))|(% style="width:91px" %)(((
543 +DI2TODO2
544 +)))|(% style="width:91px" %)(((
545 +DI2TORO2
546 +)))
442 442  
443 443  (((
444 -DI2 level
549 +(% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
445 445  )))
446 -)))|(% style="width:105px" %)(((
551 +
552 +(((
553 +(% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
554 +)))
555 +
556 +(((
557 +(% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
558 +)))
559 +
560 +(((
561 +(((
562 +(% style="color:#037691" %)**The fourth byte**(%%)**:**  the high four bits are 1 to represent DI1, and the low four bits are the level of DI1 when the interrupt is triggered.
563 +)))
564 +)))
565 +
566 +(((
567 +(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
568 +)))
569 +
570 +(((
571 +(% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
572 +)))
573 +
574 +(((
575 +(((
576 +(% style="color:#037691" %)**The seventh byte**(%%)**:**  the high four bits are 2 to represent DI2, and the low four bits are the level of DI2 when the interrupt is triggered.
577 +)))
578 +)))
579 +
580 +(((
581 +(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
582 +)))
583 +
584 +(((
585 +(% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
586 +)))
587 +
588 +(((
589 +
590 +
591 +(% style="color:blue" %)**Payload:（Since firmware 1.3）The receiver replies to the sent packet**
592 +)))
593 +
594 +(% border="1" style="background-color:#f7faff; color:black; width:822px" %)
595 +|=(% style="width: 97px;" %)(((
596 +**Size(bytes)**
597 +)))|=(% style="width: 71px;" %)(((
598 +1
599 +)))|=(% style="width: 70px;" %)(((
600 +1
601 +)))|=(% style="width: 48px;" %)(((
602 +1
603 +)))|=(% style="width: 85px;" %)(((
604 +1
605 +)))|=(% style="width: 90px;" %)(((
606 +1
607 +)))|=(% style="width: 88px;" %)(((
608 +1
609 +)))|=(% style="width: 86px;" %)(((
610 +1
611 +)))|=(% style="width: 92px;" %)(((
612 +1
613 +)))|=(% style="width: 92px;" %)(((
614 +1
615 +)))
616 +|(% style="width:97px" %)(((
617 +**Value**
618 +)))|(% style="width:71px" %)(((
619 +address
620 +)))|(% style="width:70px" %)(((
621 +request
622 +)))|(% style="width:48px" %)(((
623 +ACK
624 +)))|(% style="width:85px" %)(((
625 +(((
626 +DO1&
627 +DO1 level
628 +)))
629 +)))|(% style="width:90px" %)(((
630 +DI1TODO1
631 +)))|(% style="width:88px" %)(((
632 +DI1TORO1
633 +)))|(% style="width:86px" %)(((
634 +(((
635 +RO2&
636 +RO2 level
637 +)))
638 +)))|(% style="width:92px" %)(((
447 447  DI2TODO2
448 -)))|(% style="width:106px" %)(((
640 +)))|(% style="width:92px" %)(((
449 449  DI2TORO2
450 450  )))
451 451  
... ... @@ -463,7 +463,7 @@
463 463  
464 464  (((
465 465  (((
466 -(% style="color:#037691" %)**The fourth byte**(%%)**:**  the high four bits are 1 to represent DI1, and the low four bits are the level of DI1 when the interrupt is triggered.
658 +(% style="color:#037691" %)**The fourth byte**(%%)**:**  the high four bits are 1 to represent DO1, and the low four bits are the level of DO1 when the interrupt is triggered.
467 467  )))
468 468  )))
469 469  
... ... @@ -477,7 +477,7 @@
477 477  
478 478  (((
479 479  (((
480 -(% style="color:#037691" %)**The seventh byte**(%%)**:**  the high four bits are 2 to represent DI2, and the low four bits are the level of DI2 when the interrupt is triggered.
672 +(% style="color:#037691" %)**The seventh byte**(%%)**:**  the high four bits are 2 to represent RO2, and the low four bits are the level of RO2 when the interrupt is triggered.
481 481  )))
482 482  )))
483 483  

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