Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 21.1 >
edited by Bei Jinggeng
on 2022/11/15 10:28
To version < 11.1 >
edited by Xiaoling
on 2022/06/02 14:28
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -Point to Point Communication of LT-22222-L
1 + Point to Point Communication of LT-22222-L
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -1,15 +1,10 @@
1 -**Table of Contents： **
2 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
3 3  {{toc/}}
3 +{{/box}}
4 4  
5 += **1. Overview** =
5 5  
6 -
7 -
8 -= 1. Overview =
9 -
10 10  (((
11 -
12 -
13 13  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:
14 14  )))
15 15  
... ... @@ -17,666 +17,205 @@
17 17  [[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
18 18  )))
19 19  
15 +== ==
20 20  
21 -= 2. Features for this firmware =
17 += **2. Features for this firmware** =
22 22  
23 -== 2.1  Point To Point ==
24 24  
25 -=== 2.1.1 Overview ===
20 +== **2.1  Point To Point** ==
26 26  
27 27  
28 28  [[image:image-20220602111219-1.png||height="472" width="972"]]
29 29  
30 30  
31 -=== 2.2.2 Configure ===
26 +(% class="wikigeneratedid" id="H2.2.Configure" %)
27 +(% style="color:blue" %)**Configure:**
32 32  
29 +(% border="1" style="background-color:#f7faff; color:black; width:500px" %)
30 +|=**A's configuration**|=**B's configuration**
31 +|AT+GROUPMOD=0|AT+GROUPMOD=0
32 +|AT+TXCHS=868700000|AT+TXCHS=869000000
33 +|AT+RXCHS=869000000|AT+RXCHS=868700000
34 +|AT+TRIG1=2,50|AT+TRIG1=2,50
35 +|AT+TRIG2=2,50|AT+TRIG2=2,50
36 +|AT+DI1TODO1=2|AT+DI1TODO1=2
37 +|AT+DI1TORO1=2|AT+DI1TORO1=2
38 +|AT+DI2TODO2=2 |AT+DI2TODO2=2
39 +|AT+DI2TORO2=2|AT+DI2TORO2=2
33 33  
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
45 45  
46 -=== 2.2.3 Serial port display ===
42 +== **2.2  Point To Mult-Point ** ==
47 47  
48 48  
49 -(% class="wikigeneratedid" %)
50 50  [[image:image-20220602111219-2.png]]
51 51  
52 52  
53 -(% class="wikigeneratedid" %)
54 54  [[image:image-20220602111219-3.png]]
55 55  
56 -
57 -(% class="wikigeneratedid" %)
58 -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.
59 -
60 -
61 -== 2.2  Point To Mult-Point ==
62 -
63 -=== 2.2.1 Overview ===
64 -
65 -
66 -[[image:1654152390874-192.png]]
67 -
68 -
69 -=== 2.2.2  Configure ===
70 -
71 -
72 -(% style="color:blue" %)**Configuration of the TX group:**
73 -
74 -AT+GROUPMOD=0,2
75 -
76 -AT+TXCHS=868700000
77 -
78 -AT+RXCHS=869000000
79 -
80 -AT+TRIG1=2,50
81 -
82 -AT+TRIG2=2,50
83 -
84 -AT+DI1TODO1=1
85 -
86 -AT+DI1TORO1=1
87 -
88 -AT+DI2TODO2=1
89 -
90 -AT+DI2TORO2=1
91 -
92 -
93 -(% style="color:blue" %)**Configuration for RX group number 1:**
94 -
95 -AT+GROUPMOD=1,1
96 -
97 -AT+TXCHS=869000000
98 -
99 -AT+RXCHS=868700000
100 -
101 -
102 -(% style="color:blue" %)**Configuration for RX group number 2:**
103 -
104 -AT+GROUPMOD=1,2
105 -
106 -AT+TXCHS=869000000
107 -
108 -AT+RXCHS=868700000
109 -
110 -
111 -=== 2.2.3 Serial port display ===
112 -
113 -
114 -[[image:image-20220602144747-1.png]]
115 -
116 -
117 -[[image:image-20220602144747-2.png]]
118 -
119 -
120 120  (((
121 -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.
51 +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.
122 122  )))
123 123  
124 124  
125 -== 2.3 AT command ==
55 +== **2.3 AT command** ==
126 126  
127 127  
128 -(((
129 129  (% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
130 -)))
131 131  
132 -(((
133 133  (% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
134 -)))
135 135  
136 -(((
137 137  (% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
138 -)))
139 139  
140 -(((
141 141  (% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
142 -)))
143 143  
144 -(((
145 145  (% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
146 -)))
147 147  
148 -(((
149 149  (% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
150 -)))
151 151  
152 -(((
153 153  (% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
154 -)))
155 155  
156 -(((
157 157  (% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
158 -)))
159 159  
160 -(((
161 161  (% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
162 -)))
163 163  
164 -(((
165 165  (% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
166 -)))
167 167  
168 -(((
169 169  (% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
170 -)))
171 171  
172 -(((
173 173  (% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
174 -)))
175 175  
176 -(((
177 177  (% style="color:#037691" %)**AT+CR **(%%)**:        **Get or Set the coding rate [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] (default:1)
178 -)))
179 179  
180 -(((
181 181  (% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
182 -)))
183 183  
184 -(((
185 185  (% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
186 -)))
187 187  
188 -(((
189 189  (% style="color:#037691" %)**AT+SEND **(%%)**:   **Set Custom sent hex data
190 -)))
191 191  
192 -(((
193 193  (% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
194 -)))
195 195  
196 196  (((
197 -(((
198 198  (% style="color:#037691" %)**AT+GROUPID **(%%)**:      **Set or Get the password for matching between TX group and RX group, which can be composed of numbers or characters (default: 12345678)
199 199  )))
200 -)))
201 201  
202 -(((
203 203  (% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
204 -)))
205 205  
206 -(((
207 207  (% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
208 -)))
209 209  
210 -(((
211 211  (% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
212 -)))
213 213  
214 -(((
215 215  (% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
216 -)))
217 217  
218 -(((
219 219  (% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
220 -)))
221 221  
222 -(((
223 223  (% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
224 -)))
225 225  
226 226  
227 -(((
228 -(% style="color:blue" %)**Example 1:**
229 -)))
230 230  
231 -(((
110 +(% style="color:#4f81bd" %)**Example 1:**
111 +
232 232  **AT+SEND=01020304 **will send a payload of 01020304
233 -)))
234 234  
235 235  
236 -(((
237 -(% style="color:blue" %)**Example 2: **
238 -)))
115 +(% style="color:#4f81bd" %)**Example 2: **
239 239  
240 -(((
241 241  **AT+TRIGx=a    **Trigger directly without triggering time
242 -)))
243 243  
244 -(((
245 245  **AT+TRIGx=a,b**
246 -)))
247 247  
248 -(((
249 -**a=0:** falling edge;
250 -)))
121 +a=0: falling edge;
251 251  
252 -(((
253 -**a=1: **rising edge;
254 -)))
123 +a=1: rising edge;
255 255  
256 -(((
257 -**a=2:** falling edge or rising edge;
258 -)))
125 +a=2: falling edge or rising edge;
259 259  
260 -(((
261 -**b:**  triggering time in milliseconds.
262 -)))
127 +b:  triggering time in milliseconds.
263 263  
264 -(((
265 -**AT+TRIGx=2,50**  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
266 -)))
129 +AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
267 267  
268 268  
269 -(((
270 -(% style="color:blue" %)**Example 3: **
271 -)))
132 +(% style="color:#4f81bd" %)**Example 3: **
272 272  
273 -(((
274 274  **AT+DI1TODO1= maps value**
275 -)))
276 276  
277 -(((
278 278  **AT+DI1TORO1= maps value**
279 -)))
280 280  
281 -(((
282 282  **AT+DI2TODO2= maps value**
283 -)))
284 284  
285 -(((
286 286  **AT+DI2TORO2= maps value**
287 -)))
288 288  
289 -(((
290 -
291 -)))
292 292  
293 -(% border="1" style="background-color:#f7faff; color:black; width:690px" %)
294 -|=(% style="width: 102px;" %)(((
295 -Maps value
296 -)))|=(% style="width: 331px;" %)(((
297 -DIx to DOx
298 -)))|=(% style="width: 251px;" %)(((
299 -DIx to ROx
300 -)))
301 -|(% style="width:102px" %)(((
302 -0
303 -)))|(% style="width:331px" %)(((
304 -No Action
305 -)))|(% style="width:251px" %)(((
306 -No Action
307 -)))
308 -|(% style="width:102px" %)(((
309 -1
310 -)))|(% style="width:331px" %)(((
311 -If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level
312 -)))|(% style="width:251px" %)(((
313 -(((
143 +(% border="1" style="background-color:#f7faff; color:black; width:706px" %)
144 +|=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx
145 +|(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action
146 +|(% style="width:102px" %)1|(% style="width:331px" %)If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level|(% style="width:268px" %)(((
314 314  If DIx is high, control ROx to close,
315 -)))
316 316  
317 -(((
318 318  if DIx is low, control ROx to open
319 319  )))
320 -)))
321 -|(% style="width:102px" %)(((
322 -2
323 -)))|(% style="width:331px" %)(((
324 -If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level
325 -)))|(% style="width:251px" %)(((
326 -(((
151 +|(% style="width:102px" %)2|(% style="width:331px" %)If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level|(% style="width:268px" %)(((
327 327  If DIx is high, control ROx to open,
328 -)))
329 329  
330 -(((
331 331  if DIx is low, control ROx to close
332 332  )))
333 -)))
334 -|(% style="width:102px" %)(((
335 -3
336 -)))|(% style="width:331px" %)(((
337 -DOx state flip
338 -)))|(% style="width:251px" %)(((
339 -ROx state flip
340 -)))
156 +|(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip
341 341  
342 -(((
343 -
158 +(% style="color:#4f81bd" %)**Example 4: **
344 344  
345 -(% style="color:blue" %)**Example 4: **
346 -)))
347 -
348 -(((
349 349  **AT+GROUPMOD=0**  Set to point to point mode
350 -)))
351 351  
352 -(((
353 353  **AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
354 -)))
355 355  
356 356  (((
357 357  **AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
358 358  )))
359 359  
360 -(((
361 361  **AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
362 -)))
363 363  
364 -(((
365 365  **AT+GROUPMOD=1,1**  Set the RX group numbered 1
366 -)))
367 367  
368 -(((
369 369  **AT+GROUPMOD=1,2**  Set the RX group numbered 2
370 -)))
371 371  
372 372  
373 -=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3) ===
175 +== **2.4 Data Format** ==
374 374  
375 -
376 -**AT+TRIGx=a          **Trigger transmit directly without triggering time
377 -
378 -**AT+TRIGx=a,b**  Trigger transmit with triggering time threshold
379 -
380 -**AT+TRIGx=a,b,c    **Trigger transmit with triggering time threshold, and continue to transmit every xx seconds if DI status no change.
381 -
382 -
383 -**a=0:** falling edge;
384 -
385 -**a=1:** rising edge;
386 -
387 -**a=2:** falling edge or rising edge;
388 -
389 -**b:**  triggering time in milliseconds.
390 -
391 -**c:** transmit interval
392 -
393 -
394 -(% 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)
395 -
396 -**Command:**
397 -
398 -**AT+TRIG1=2,50**  Falling edge or rising edge trigger, and the trigger time should exceed 50ms.
399 -
400 -
401 -(% style="color:blue" %)**Use Case 2:  **(%%)Sync LT2 RO / DO status with LT1 every minute.
402 -
403 -**Command:**
404 -
405 -**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.
406 -
407 -
408 -=== 2.3.2 RO/DO is configured in the receiver LT (LT2)(Since firmware 1.3) ===
409 -
410 -
411 -AT+DI1TODO1= maps value[,latch time]
412 -
413 -AT+DI1TORO1= maps value[,latch time]
414 -
415 -AT+DI2TODO2= maps value[,latch time]
416 -
417 -AT+DI2TORO2= maps value[,latch time]
418 -
419 -
420 -(% border="1" style="background-color:#f7faff; color:black; width:774px" %)
421 -|(% style="width:105px" %) **Maps value**|(% style="width:415px" %)**DIx to DOx**|(% style="width:249px" %)**DIx to ROx**
422 -|(% style="width:105px" %)0|(% style="width:415px" %)No Action|(% style="width:249px" %)No Action
423 -|(% 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" %)(((
424 -If DIx is high, control ROx to close,
425 -
426 -if DIx is low, control ROx to open
427 -)))
428 -|(% 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" %)(((
429 -If DIx is high, control ROx to open,
430 -
431 -if DIx is low, control ROx to close
432 -)))
433 -|(% style="width:105px" %)3|(% style="width:415px" %)DOx state flip|(% style="width:249px" %)ROx state flip
434 -
435 -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.
436 -
437 -
438 -(% style="color:blue" %)**Case1**:
439 -
440 -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.
441 -
442 -
443 -(% style="color:blue" %)**Case2**:
444 -
445 -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.
446 -
447 -
448 -=== 2.3.3 Save the RO/DO status during power off(Since firmware 1.3) ===
449 -
450 -
451 -Enable/Disbale retain Digital Output/Relay Output after power off / Power On
452 -
453 -**AT+DOROSAVE=0**  ~/~/ Disable Retain after power off/on
454 -
455 -**AT+DOROSAVE=1**  ~/~/ Enable Retain after power off/on
456 -
457 -**AT+DOROSAVE=2,a,b,c,d**  ~/~/ set DO/RO port to default state after power on.
458 -
459 -**a: **for DO1
460 -
461 -**b:** for DO2
462 -
463 -**c: **for RO1
464 -
465 -**d:** for RO2.
466 -
467 -
468 -**Example:**
469 -
470 -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.
471 -
472 -
473 -=== 2.3.4 Control Sleep status.(Since firmware 1.3) ===
474 -
475 -
476 -DI2 can be used to set LT into sleep mode.
477 -
478 -**AT+DI2SLEEP=1**  ~/~/  Enable DI2 as Sleep pin
479 -
480 -**AT+DI2SLEEP=0**  ~/~/  Disable DI2 as Sleep pin
481 -
482 -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.
483 -
484 -
485 -== 2.4 Data Format ==
486 -
487 -
488 -(((
489 489  8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
490 -)))
491 491  
492 -(((
493 -(% style="color:blue" %)**Payload:**
494 -)))
495 495  
496 -(% border="1" style="background-color:#f7faff; color:black; width:825px" %)
497 -|=(% style="width: 102px;" %)(((
498 -**Size (bytes)**
499 -)))|=(% style="width: 74px;" %)(((
500 -1
501 -)))|=(% style="width: 72px;" %)(((
502 -1
503 -)))|=(% style="width: 47px;" %)(((
504 -1
505 -)))|=(% style="width: 83px;" %)(((
506 -1
507 -)))|=(% style="width: 90px;" %)(((
508 -1
509 -)))|=(% style="width: 92px;" %)(((
510 -1
511 -)))|=(% style="width: 78px;" %)(((
512 -1
513 -)))|=(% style="width: 91px;" %)(((
514 -1
515 -)))|=(% style="width: 91px;" %)(((
516 -1
517 -)))
518 -|(% style="width:102px" %)(((
519 -**Value**
520 -)))|(% style="width:74px" %)(((
521 -address
522 -)))|(% style="width:72px" %)(((
523 -request
524 -)))|(% style="width:47px" %)(((
525 -ACK
526 -)))|(% style="width:83px" %)(((
527 -(((
180 +(% style="color:#4f81bd" %)**Payload:**
181 +
182 +(% border="1" style="background-color:#f7faff; color:black; width:938px" %)
183 +|=(% style="width: 123px;" %)**Size (bytes)**|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1
184 +|(% style="width:123px" %)**Value**|(% style="width:38px" %)address|(% style="width:70px" %)request|(% style="width:52px" %)ACK|(% style="width:127px" %)(((
528 528  DI1&
186 +
529 529  DI1 level
530 -)))
531 -)))|(% style="width:90px" %)(((
532 -DI1TODO1
533 -)))|(% style="width:92px" %)(((
534 -DI1TORO1
535 -)))|(% style="width:78px" %)(((
536 -(((
188 +)))|(% style="width:101px" %)DI1TODO1|(% style="width:91px" %)DI1TORO1|(% style="width:111px" %)(((
537 537  DI2&
538 -DI2 leve
539 -)))
540 -)))|(% style="width:91px" %)(((
541 -DI2TODO2
542 -)))|(% style="width:91px" %)(((
543 -DI2TORO2
544 -)))
545 545  
546 -(((
191 +DI2 level
192 +)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2
193 +
547 547  (% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
548 -)))
549 549  
550 -(((
551 551  (% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
552 -)))
553 553  
554 -(((
555 555  (% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
556 -)))
557 557  
558 558  (((
559 -(((
560 560  (% 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.
561 561  )))
562 -)))
563 563  
564 -(((
565 565  (% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
566 -)))
567 567  
568 -(((
569 569  (% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
570 -)))
571 571  
572 572  (((
573 -(((
574 574  (% 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.
575 575  )))
576 -)))
577 577  
578 -(((
579 579  (% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
580 -)))
581 581  
582 -(((
583 583  (% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
584 -)))
585 585  
586 -(((
587 587  
588 -
589 -(% style="color:blue" %)**Payload:（Since firmware 1.3）The receiver replies to the sent packet**
590 -)))
591 -
592 -(% border="1" style="background-color:#f7faff; color:black; width:822px" %)
593 -|=(% style="width: 97px;" %)(((
594 -**Size(bytes)**
595 -)))|=(% style="width: 71px;" %)(((
596 -1
597 -)))|=(% style="width: 70px;" %)(((
598 -1
599 -)))|=(% style="width: 48px;" %)(((
600 -1
601 -)))|=(% style="width: 85px;" %)(((
602 -1
603 -)))|=(% style="width: 90px;" %)(((
604 -1
605 -)))|=(% style="width: 88px;" %)(((
606 -1
607 -)))|=(% style="width: 86px;" %)(((
608 -1
609 -)))|=(% style="width: 92px;" %)(((
610 -1
611 -)))|=(% style="width: 92px;" %)(((
612 -1
613 -)))
614 -|(% style="width:97px" %)(((
615 -**Value**
616 -)))|(% style="width:71px" %)(((
617 -address
618 -)))|(% style="width:70px" %)(((
619 -request
620 -)))|(% style="width:48px" %)(((
621 -ACK
622 -)))|(% style="width:85px" %)(((
623 -(((
624 -DOI1&
625 -DOI2 level
626 -)))
627 -)))|(% style="width:90px" %)(((
628 -DI1TODO1
629 -)))|(% style="width:88px" %)(((
630 -DI1TORO1
631 -)))|(% style="width:86px" %)(((
632 -(((
633 -RO2&
634 -RO2 level
635 -)))
636 -)))|(% style="width:92px" %)(((
637 -DI2TODO2
638 -)))|(% style="width:92px" %)(((
639 -DI2TORO2
640 -)))
641 -
642 -(((
643 -(% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
644 -)))
645 -
646 -(((
647 -(% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
648 -)))
649 -
650 -(((
651 -(% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
652 -)))
653 -
654 -(((
655 -(((
656 -(% style="color:#037691" %)**The fourth byte**(%%)**:**  the high four bits are 1 to represent DOI1, and the low four bits are the level of DOI2 when the interrupt is triggered.
657 -)))
658 -)))
659 -
660 -(((
661 -(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
662 -)))
663 -
664 -(((
665 -(% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
666 -)))
667 -
668 -(((
669 -(((
670 -(% 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.
671 -)))
672 -)))
673 -
674 -(((
675 -(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
676 -)))
677 -
678 -(((
679 -(% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
680 -)))
681 -
682 -
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