Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 9.1 >
edited by Xiaoling
on 2022/06/02 14:23
To version < 21.1 >
edited by Bei Jinggeng
on 2022/11/15 10:28
>
Change comment: There is no comment for this version

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Title
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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.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -1,10 +1,15 @@
1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +**Table of Contents： **
2 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= **1. Overview** =
6 6  
6 +
7 +
8 += 1. Overview =
9 +
7 7  (((
11 +
12 +
8 8  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:
9 9  )))
10 10  
... ... @@ -12,197 +12,666 @@
12 12  [[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
13 13  )))
14 14  
15 -== ==
16 16  
17 -= **2. Features for this firmware** =
21 += 2. Features for this firmware =
18 18  
23 +== 2.1  Point To Point ==
19 19  
20 -== **2.1  Point To Point** ==
25 +=== 2.1.1 Overview ===
21 21  
22 22  
23 23  [[image:image-20220602111219-1.png||height="472" width="972"]]
24 24  
25 25  
26 -(% class="wikigeneratedid" id="H2.2.Configure" %)
27 -(% style="color:blue" %)**Configure:**
31 +=== 2.2.2 Configure ===
28 28  
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
40 40  
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
41 41  
42 -== **2.2  Point To Mult-Point ** ==
46 +=== 2.2.3 Serial port display ===
43 43  
44 44  
49 +(% class="wikigeneratedid" %)
45 45  [[image:image-20220602111219-2.png]]
46 46  
47 47  
53 +(% class="wikigeneratedid" %)
48 48  [[image:image-20220602111219-3.png]]
49 49  
50 -(((
56 +
57 +(% class="wikigeneratedid" %)
51 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.
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 +(((
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.
52 52  )))
53 53  
54 54  
55 -== **2.3 AT command** ==
125 +== 2.3 AT command ==
56 56  
57 57  
128 +(((
58 58  (% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
130 +)))
59 59  
132 +(((
60 60  (% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
134 +)))
61 61  
136 +(((
62 62  (% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
138 +)))
63 63  
140 +(((
64 64  (% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
142 +)))
65 65  
144 +(((
66 66  (% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
146 +)))
67 67  
148 +(((
68 68  (% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
150 +)))
69 69  
152 +(((
70 70  (% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
154 +)))
71 71  
156 +(((
72 72  (% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
158 +)))
73 73  
160 +(((
74 74  (% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
162 +)))
75 75  
164 +(((
76 76  (% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
166 +)))
77 77  
168 +(((
78 78  (% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
170 +)))
79 79  
80 -(% style="color:#037691" %)**AT+BW **(%%)**:  **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
172 +(((
173 +(% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
174 +)))
81 81  
176 +(((
82 82  (% 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 +)))
83 83  
180 +(((
84 84  (% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
182 +)))
85 85  
184 +(((
86 86  (% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
186 +)))
87 87  
88 -(% style="color:#037691" %)**AT+SEND **(%%)**:  **Set Custom sent hex data
188 +(((
189 +(% style="color:#037691" %)**AT+SEND **(%%)**:   **Set Custom sent hex data
190 +)))
89 89  
192 +(((
90 90  (% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
194 +)))
91 91  
196 +(((
197 +(((
92 92  (% 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 +)))
200 +)))
93 93  
202 +(((
94 94  (% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
204 +)))
95 95  
206 +(((
96 96  (% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
208 +)))
97 97  
210 +(((
98 98  (% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
212 +)))
99 99  
214 +(((
100 100  (% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
216 +)))
101 101  
218 +(((
102 102  (% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
220 +)))
103 103  
222 +(((
104 104  (% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
224 +)))
105 105  
106 106  
227 +(((
228 +(% style="color:blue" %)**Example 1:**
229 +)))
107 107  
108 -(% style="color:#4f81bd" %)**Example 1:**
109 -
231 +(((
110 110  **AT+SEND=01020304 **will send a payload of 01020304
233 +)))
111 111  
112 112  
113 -(% style="color:#4f81bd" %)**Example 2: **
236 +(((
237 +(% style="color:blue" %)**Example 2: **
238 +)))
114 114  
240 +(((
115 115  **AT+TRIGx=a    **Trigger directly without triggering time
242 +)))
116 116  
244 +(((
117 117  **AT+TRIGx=a,b**
246 +)))
118 118  
119 -a=0: falling edge;
248 +(((
249 +**a=0:** falling edge;
250 +)))
120 120  
121 -a=1: rising edge;
252 +(((
253 +**a=1: **rising edge;
254 +)))
122 122  
123 -a=2: falling edge or rising edge;
256 +(((
257 +**a=2:** falling edge or rising edge;
258 +)))
124 124  
125 -b:  triggering time in milliseconds.
260 +(((
261 +**b:**  triggering time in milliseconds.
262 +)))
126 126  
127 -AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
264 +(((
265 +**AT+TRIGx=2,50**  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
266 +)))
128 128  
129 129  
130 -(% style="color:#4f81bd" %)**Example 3: **
269 +(((
270 +(% style="color:blue" %)**Example 3: **
271 +)))
131 131  
273 +(((
132 132  **AT+DI1TODO1= maps value**
275 +)))
133 133  
277 +(((
134 134  **AT+DI1TORO1= maps value**
279 +)))
135 135  
281 +(((
136 136  **AT+DI2TODO2= maps value**
283 +)))
137 137  
285 +(((
138 138  **AT+DI2TORO2= maps value**
287 +)))
139 139  
289 +(((
290 +
291 +)))
140 140  
141 -(% border="1" style="background-color:#f7faff; color:black; width:706px" %)
142 -|=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx
143 -|(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action
144 -|(% 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" %)(((
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 +(((
145 145  If DIx is high, control ROx to close,
315 +)))
146 146  
317 +(((
147 147  if DIx is low, control ROx to open
148 148  )))
149 -|(% 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" %)(((
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 +(((
150 150  If DIx is high, control ROx to open,
328 +)))
151 151  
330 +(((
152 152  if DIx is low, control ROx to close
153 153  )))
154 -|(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip
333 +)))
334 +|(% style="width:102px" %)(((
335 +3
336 +)))|(% style="width:331px" %)(((
337 +DOx state flip
338 +)))|(% style="width:251px" %)(((
339 +ROx state flip
340 +)))
155 155  
156 -(% style="color:#4f81bd" %)**Example 4: **
342 +(((
343 +
157 157  
345 +(% style="color:blue" %)**Example 4: **
346 +)))
347 +
348 +(((
158 158  **AT+GROUPMOD=0**  Set to point to point mode
350 +)))
159 159  
352 +(((
160 160  **AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
354 +)))
161 161  
356 +(((
162 162  **AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
358 +)))
163 163  
360 +(((
164 164  **AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
362 +)))
165 165  
364 +(((
166 166  **AT+GROUPMOD=1,1**  Set the RX group numbered 1
366 +)))
167 167  
368 +(((
168 168  **AT+GROUPMOD=1,2**  Set the RX group numbered 2
370 +)))
169 169  
170 170  
171 -== **2.4 Data Format** ==
373 +=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3) ===
172 172  
173 -8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
174 174  
376 +**AT+TRIGx=a          **Trigger transmit directly without triggering time
175 175  
176 -(% style="color:#4f81bd" %)**Payload:**
378 +**AT+TRIGx=a,b**  Trigger transmit with triggering time threshold
177 177  
178 -(% border="1" style="background-color:#f7faff; color:black; width:938px" %)
179 -|=(% 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
180 -|(% style="width:123px" %)**Value**|(% style="width:38px" %)address|(% style="width:70px" %)request|(% style="width:52px" %)ACK|(% style="width:127px" %)(((
181 -DI1&
380 +**AT+TRIGx=a,b,c    **Trigger transmit with triggering time threshold, and continue to transmit every xx seconds if DI status no change.
182 182  
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 +8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
490 +)))
491 +
492 +(((
493 +(% style="color:blue" %)**Payload:**
494 +)))
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 +(((
528 +DI1&
183 183  DI1 level
184 -)))|(% style="width:101px" %)DI1TODO1|(% style="width:91px" %)DI1TORO1|(% style="width:111px" %)(((
530 +)))
531 +)))|(% style="width:90px" %)(((
532 +DI1TODO1
533 +)))|(% style="width:92px" %)(((
534 +DI1TORO1
535 +)))|(% style="width:78px" %)(((
536 +(((
185 185  DI2&
538 +DI2 leve
539 +)))
540 +)))|(% style="width:91px" %)(((
541 +DI2TODO2
542 +)))|(% style="width:91px" %)(((
543 +DI2TORO2
544 +)))
186 186  
187 -DI2 level
188 -)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2
189 -
546 +(((
190 190  (% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
548 +)))
191 191  
550 +(((
192 192  (% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
552 +)))
193 193  
554 +(((
194 194  (% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
556 +)))
195 195  
558 +(((
559 +(((
196 196  (% 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 +)))
562 +)))
197 197  
564 +(((
198 198  (% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
566 +)))
199 199  
568 +(((
200 200  (% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
570 +)))
201 201  
572 +(((
573 +(((
202 202  (% 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 +)))
576 +)))
203 203  
578 +(((
204 204  (% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
580 +)))
205 205  
582 +(((
206 206  (% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
584 +)))
207 207  
586 +(((
208 208  
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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