Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 27.1
edited by Edwin Chen
on 2022/11/22 09:38
To version < 8.5 >
edited by Xiaoling
on 2022/06/02 13:51
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.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -1,696 +1,200 @@
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:
9 +)))
14 14  
15 -* [[Source Code>>https://github.com/dragino/LT-22222-L]].
16 -* [[Firmware>>https://github.com/dragino/LT-22222-L/releases]].
11 +(((
12 +[[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
17 17  )))
18 18  
19 -= 2. Features for this firmware =
15 +== ==
20 20  
21 -== 2.1  Point To Point ==
17 += **2. Features for this firmware** =
22 22  
23 -=== 2.1.1 Overview ===
24 24  
20 +== **2.1  Point To Point** ==
25 25  
22 +
26 26  [[image:image-20220602111219-1.png||height="472" width="972"]]
27 27  
28 28  
29 -=== 2.2.2 Configure ===
26 +(% class="wikigeneratedid" id="H2.2.Configure" %)
27 +(% style="color:blue" %)**Configure:**
30 30  
31 31  
32 -(% border="1" style="background-color:#f7faff; color:black; width:360px" %)
33 -|=(% style="width: 179px;" %)**A's configuration**|=(% style="width: 177px;" %)**B's configuration**
34 -|(% style="width:179px" %)AT+GROUPMOD=0|(% style="width:177px" %)AT+GROUPMOD=0
35 -|(% style="width:179px" %)AT+TXCHS=868700000|(% style="width:177px" %)AT+TXCHS=869000000
36 -|(% style="width:179px" %)AT+RXCHS=869000000|(% style="width:177px" %)AT+RXCHS=868700000
37 -|(% style="width:179px" %)AT+TRIG1=2,50|(% style="width:177px" %)AT+TRIG1=2,50
38 -|(% style="width:179px" %)AT+TRIG2=2,50|(% style="width:177px" %)AT+TRIG2=2,50
39 -|(% style="width:179px" %)AT+DI1TODO1=2|(% style="width:177px" %)AT+DI1TODO1=2
40 -|(% style="width:179px" %)AT+DI1TORO1=2|(% style="width:177px" %)AT+DI1TORO1=2
41 -|(% style="width:179px" %)AT+DI2TODO2=2 |(% style="width:177px" %)AT+DI2TODO2=2
42 -|(% style="width:179px" %)AT+DI2TORO2=2|(% style="width:177px" %)AT+DI2TORO2=2
30 +(% border="1" style="background-color:#f7faff; color:black; width:500px" %)
31 +|=**A's configuration**|=**B's configuration**
32 +|AT+GROUPMOD=0|AT+GROUPMOD=0
33 +|AT+TXCHS=868700000|AT+TXCHS=869000000
34 +|AT+RXCHS=869000000|AT+RXCHS=868700000
35 +|AT+TRIG1=2,50|AT+TRIG1=2,50
36 +|AT+TRIG2=2,50|AT+TRIG2=2,50
37 +|AT+DI1TODO1=2|AT+DI1TODO1=2
38 +|AT+DI1TORO1=2|AT+DI1TORO1=2
39 +|AT+DI2TODO2=2 |AT+DI2TODO2=2
40 +|AT+DI2TORO2=2|AT+DI2TORO2=2
43 43  
44 -=== 2.2.3 Serial port display ===
42 +== **2.2  Point To Mult-Point ** ==
45 45  
46 46  
47 -(% class="wikigeneratedid" %)
48 48  [[image:image-20220602111219-2.png]]
49 49  
50 50  
51 -(% class="wikigeneratedid" %)
52 52  [[image:image-20220602111219-3.png]]
53 53  
54 -
55 -(% class="wikigeneratedid" %)
56 56  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.
57 57  
58 58  
59 -== 2.2  Point To Mult-Point ==
53 +== **2.3 AT command** ==
60 60  
61 -=== 2.2.1 Overview ===
62 62  
56 +ATZ :  Trig a reset of the MCU
63 63  
64 -[[image:1654152390874-192.png]]
58 +AT+FDR : Reset Parameters to Factory Default, Keys Reserve
65 65  
60 +AT+FCU : Get or Set the Frame Counter Uplink
66 66  
67 -=== 2.2.2  Configure ===
62 +AT+FCD : Get or Set the Frame Counter Downlink
68 68  
64 +AT+TXP : Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
69 69  
70 -(% style="color:blue" %)**Configuration of the TX group:**
66 +AT+SYNC : Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
71 71  
72 -AT+GROUPMOD=0,2
68 +AT+PMB : Get or Set the preamble (default:8)
73 73  
74 -AT+TXCHS=868700000
70 +AT+TXCHS : Get or Set the transmit frequency of TX (default:868700000)
75 75  
76 -AT+RXCHS=869000000
72 +AT+TXSF : Get or Set the spreading factor of TX (7 to 12) (default:12)
77 77  
78 -AT+TRIG1=2,50
74 +AT+RXCHS : Get or Set the transmit frequency of RX (default:869000000)
79 79  
80 -AT+TRIG2=2,50
76 +AT+RXSF : Get or Set the spreading factor of RX (7 to 12) (default:12)
81 81  
82 -AT+DI1TODO1=1
78 +AT+BW : Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
83 83  
84 -AT+DI1TORO1=1
80 +AT+CR : Get or Set the coding rate [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] (default:1)
85 85  
86 -AT+DI2TODO2=1
82 +AT+TDC : Get or set the application data transmission interval in ms(default 10 minutes)
87 87  
88 -AT+DI2TORO2=1
84 +AT+VER : Get firmware version number
89 89  
86 +AT+SEND : Set Custom sent hex data
90 90  
91 -(% style="color:blue" %)**Configuration for RX group number 1:**
88 +AT+GROUPMOD : Set or Get the grouping mode of the device (default: 0)
92 92  
93 -AT+GROUPMOD=1,1
90 +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)
94 94  
95 -AT+TXCHS=869000000
92 +AT+TRIG1 : Set or Get the DI1 pin interrupt trigger mode (default 0,0)
96 96  
97 -AT+RXCHS=868700000
94 +AT+TRIG2 : Set or Get the DI2 pin interrupt trigger mode (default 0,0)
98 98  
96 +AT+DI1TODO1 : Set or get the mode in which DI1 maps to DO1 (default 0)
99 99  
100 -(% style="color:blue" %)**Configuration for RX group number 2:**
98 +AT+DI1TORO1 : Set or get the mode in which DI1 maps to RO1(default 0)
101 101  
102 -AT+GROUPMOD=1,2
100 +AT+DI2TODO2 : Set or get the mode in which DI2 maps to DO2(default 0)
103 103  
104 -AT+TXCHS=869000000
102 +AT+DI2TORO2 : Set or get the mode in which DI2 maps to RO2(default 0)
105 105  
106 -AT+RXCHS=868700000
107 107  
108 108  
109 -=== 2.2.3 Serial port display ===
106 +**Example1:** AT+SEND=01020304 will send a payload of 01020304
110 110  
111 111  
112 -[[image:image-20220602144747-1.png]]
109 +i.g. AT+TRIGx=a  Trigger directly without triggering time
113 113  
111 +AT+TRIGx=a,b  a=0, falling edge;
114 114  
115 -[[image:image-20220602144747-2.png]]
113 +a=1, rising edge;
116 116  
115 + a=2, falling edge or rising edge.
117 117  
118 -(((
119 -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.
120 -)))
117 + b, triggering time in milliseconds
121 121  
119 + AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms
122 122  
123 -== 2.3 AT command ==
124 124  
122 +i.g. AT+DI1TODO1= maps value
125 125  
126 -(((
127 -(% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
128 -)))
124 + AT+DI1TORO1= maps value
129 129  
130 -(((
131 -(% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
132 -)))
126 +AT+DI2TODO2= maps value
133 133  
134 -(((
135 -(% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
136 -)))
128 +AT+DI2TORO2= maps value
137 137  
138 -(((
139 -(% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
140 -)))
141 141  
142 -(((
143 -(% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
144 -)))
145 145  
146 -(((
147 -(% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
148 -)))
149 149  
150 -(((
151 -(% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
152 -)))
153 -
154 -(((
155 -(% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
156 -)))
157 -
158 -(((
159 -(% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
160 -)))
161 -
162 -(((
163 -(% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
164 -)))
165 -
166 -(((
167 -(% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
168 -)))
169 -
170 -(((
171 -(% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
172 -)))
173 -
174 -(((
175 -(% 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)
176 -)))
177 -
178 -(((
179 -(% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
180 -)))
181 -
182 -(((
183 -(% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
184 -)))
185 -
186 -(((
187 -(% style="color:#037691" %)**AT+SEND **(%%)**:   **Set Custom sent hex data
188 -)))
189 -
190 -(((
191 -(% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
192 -)))
193 -
194 -(((
195 -(((
196 -(% 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)
197 -)))
198 -)))
199 -
200 -(((
201 -(% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
202 -)))
203 -
204 -(((
205 -(% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
206 -)))
207 -
208 -(((
209 -(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
210 -)))
211 -
212 -(((
213 -(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
214 -)))
215 -
216 -(((
217 -(% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
218 -)))
219 -
220 -(((
221 -(% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
222 -)))
223 -
224 -
225 -(((
226 -(% style="color:blue" %)**Example 1:**
227 -)))
228 -
229 -(((
230 -**AT+SEND=01020304 **will send a payload of 01020304
231 -)))
232 -
233 -
234 -(((
235 -(% style="color:blue" %)**Example 2: **
236 -)))
237 -
238 -(((
239 -**AT+TRIGx=a    **Trigger directly without triggering time
240 -)))
241 -
242 -(((
243 -**AT+TRIGx=a,b**
244 -)))
245 -
246 -(((
247 -**a=0:** falling edge;
248 -)))
249 -
250 -(((
251 -**a=1: **rising edge;
252 -)))
253 -
254 -(((
255 -**a=2:** falling edge or rising edge;
256 -)))
257 -
258 -(((
259 -**b:**  triggering time in milliseconds.
260 -)))
261 -
262 -(((
263 -**AT+TRIGx=2,50**  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
264 -)))
265 -
266 -
267 -(((
268 -(% style="color:blue" %)**Example 3: **
269 -)))
270 -
271 -(((
272 -**AT+DI1TODO1= maps value**
273 -)))
274 -
275 -(((
276 -**AT+DI1TORO1= maps value**
277 -)))
278 -
279 -(((
280 -**AT+DI2TODO2= maps value**
281 -)))
282 -
283 -(((
284 -**AT+DI2TORO2= maps value**
285 -)))
286 -
287 -(((
288 -
289 -)))
290 -
291 -(% border="1" style="background-color:#f7faff; color:black; width:690px" %)
292 -|=(% style="width: 102px;" %)(((
293 -Maps value
294 -)))|=(% style="width: 331px;" %)(((
295 -DIx to DOx
296 -)))|=(% style="width: 251px;" %)(((
297 -DIx to ROx
298 -)))
299 -|(% style="width:102px" %)(((
300 -0
301 -)))|(% style="width:331px" %)(((
302 -No Action
303 -)))|(% style="width:251px" %)(((
304 -No Action
305 -)))
306 -|(% style="width:102px" %)(((
307 -1
308 -)))|(% style="width:331px" %)(((
309 -If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level
310 -)))|(% style="width:251px" %)(((
311 -(((
133 +(% border="1" style="background-color:#f7faff; color:black; width:706px" %)
134 +|=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx
135 +|(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action
136 +|(% 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" %)(((
312 312  If DIx is high, control ROx to close,
313 -)))
314 314  
315 -(((
316 316  if DIx is low, control ROx to open
317 317  )))
318 -)))
319 -|(% style="width:102px" %)(((
320 -2
321 -)))|(% style="width:331px" %)(((
322 -If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level
323 -)))|(% style="width:251px" %)(((
324 -(((
141 +|(% 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" %)(((
325 325  If DIx is high, control ROx to open,
326 -)))
327 327  
328 -(((
329 329  if DIx is low, control ROx to close
330 330  )))
331 -)))
332 -|(% style="width:102px" %)(((
333 -3
334 -)))|(% style="width:331px" %)(((
335 -DOx state flip
336 -)))|(% style="width:251px" %)(((
337 -ROx state flip
338 -)))
146 +|(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip
339 339  
340 -(((
341 -
148 +i.g. AT+GROUPMOD=0  Set to point to point mode
342 342  
343 -(% style="color:blue" %)**Example 4: **
344 -)))
150 +AT+GROUPMOD=0,aa  Set the TX group that controls the number of aa (The maximum value of aa is 8)
345 345  
346 -(((
347 -**AT+GROUPMOD=0**  Set to point to point mode
348 -)))
152 +AT+GROUPMOD=1,bb   Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
349 349  
350 -(((
351 -**AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
352 -)))
353 353  
354 -(((
355 -**AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
356 -)))
155 +AT+GROUPMOD=0,2  Set to control the TX group of the two RX groups
357 357  
358 -(((
359 -**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
360 -)))
157 +AT+GROUPMOD=1,1  Set the RX group numbered 1
361 361  
362 -(((
363 -**AT+GROUPMOD=1,1**  Set the RX group numbered 1
364 -)))
159 +AT+GROUPMOD=1,2  Set the RX group numbered 2
365 365  
366 -(((
367 -**AT+GROUPMOD=1,2**  Set the RX group numbered 2
368 -)))
369 369  
370 370  
371 -=== 2.3.1 TRIG command is configured in the transmit LT. (LT1)(Since firmware 1.3.2) ===
163 +== **2.4 Data Format** ==
372 372  
373 -
374 -**AT+TRIGx=a          **Trigger transmit directly without triggering time
375 -
376 -**AT+TRIGx=a,b**  Trigger transmit with triggering time threshold
377 -
378 -**AT+TRIGx=a,b,c    **Trigger transmit with triggering time threshold, and continue to transmit every xx seconds if DI status no change.
379 -
380 -
381 -**a=0:** falling edge;
382 -
383 -**a=1:** rising edge;
384 -
385 -**a=2:** falling edge or rising edge;
386 -
387 -**b:**  triggering time in milliseconds.
388 -
389 -**c:** transmit interval
390 -
391 -
392 -(% 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)
393 -
394 -**Command:**
395 -
396 -**AT+TRIG1=2,50**  Falling edge or rising edge trigger, and the trigger time should exceed 50ms.
397 -
398 -
399 -(% style="color:blue" %)**Use Case 2:  **(%%)Sync LT2 RO / DO status with LT1 every minute.
400 -
401 -**Command:**
402 -
403 -**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. After power off, power on, LT1 will send trigger without falling/rising edge, so the DI changes during power off will be sync as well.
404 -
405 -
406 -=== 2.3.2 RO/DO is configured in the transmit LT. (LT1) and receiver LT (LT2)(Since firmware 1.3.2) ===
407 -
408 -
409 -(% style="color:red" %)**Notice:**(%%)** **LT1 **MUST** have a AT+DIxTODOx commands to send out the trigger. If LT2 has AT+DIxTOROx configured, LT2 will follow its configured and ignore LT1's AT+DIxTOROx settings.
410 -
411 -
412 -AT+DI1TODO1= maps value[,latch time, timeout_state]
413 -
414 -AT+DI1TORO1= maps value[,latch time, timeout_state]
415 -
416 -AT+DI2TODO2= maps value[,latch time, timeout_state]
417 -
418 -AT+DI2TORO2= maps value[,latch time, timeout_state]
419 -
420 -
421 -(% border="1" style="background-color:#f7faff; color:black; width:774px" %)
422 -|(% style="width:105px" %) **Maps value**|(% style="width:415px" %)**DIx to DOx**|(% style="width:249px" %)**DIx to ROx**
423 -|(% style="width:105px" %)0|(% style="width:415px" %)No Action|(% style="width:249px" %)No Action
424 -|(% 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" %)(((
425 -If DIx is high, control ROx to close,
426 -
427 -if DIx is low, control ROx to open
428 -)))
429 -|(% 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" %)(((
430 -If DIx is high, control ROx to open,
431 -
432 -if DIx is low, control ROx to close
433 -)))
434 -|(% style="width:105px" %)3|(% style="width:415px" %)DOx state flip|(% style="width:249px" %)ROx state flip
435 -
436 -**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.
437 -
438 -
439 -**Timeout_State**:
440 -
441 -0: **No change** after timeout
442 -
443 -1: Change to **DO:0** or **RO: Open** after timeout
444 -
445 -2: Change to **DO:1** or **RO: Close** after timeout
446 -
447 -3: Change **back to state** before last trigger arrive.
448 -
449 -
450 -(% style="color:blue" %)**Case1**:
451 -
452 -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.
453 -
454 -
455 -(% style="color:blue" %)**Case2**:
456 -
457 -AT+DI1TODO1=1,60,1  ~/~/ LT2 DO1 will follow LT1 DI1 trigger command, DO1 will keep the status 60 seconds and then change to open.
458 -
459 -
460 -=== 2.3.3 Save the RO/DO status during power off(Since firmware 1.3) ===
461 -
462 -
463 -Enable/Disbale retain Digital Output/Relay Output after power off / Power On
464 -
465 -**AT+DOROSAVE=0**  ~/~/ Disable Retain after power off/on
466 -
467 -**AT+DOROSAVE=1**  ~/~/ Enable Retain after power off/on
468 -
469 -**AT+DOROSAVE=2,a,b,c,d**  ~/~/ set DO/RO port to default state after power on.
470 -
471 -**a: **for DO1
472 -
473 -**b:** for DO2
474 -
475 -**c: **for RO1
476 -
477 -**d:** for RO2.
478 -
479 -
480 -**Example:**
481 -
482 -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.
483 -
484 -
485 -=== 2.3.4 Control Sleep status.(Since firmware 1.3) ===
486 -
487 -
488 -DI2 can be used to set LT into sleep mode.
489 -
490 -**AT+DI2SLEEP=1**  ~/~/  Enable DI2 as Sleep pin
491 -
492 -**AT+DI2SLEEP=0**  ~/~/  Disable DI2 as Sleep pin
493 -
494 -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.
495 -
496 -In sleep mode, DORO will keep its initial state if AT+DOROSAVE=2, otherwise DORO will be in OFF state
497 -
498 -
499 -== 2.4 Data Format ==
500 -
501 -
502 -(((
503 503  8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
504 -)))
505 505  
506 -(((
507 -(% style="color:blue" %)**Payload:Payload triggered by TDC or DI**
508 -)))
509 509  
510 -(% border="1" style="background-color:#f7faff; color:black; width:825px" %)
511 -|=(% style="width: 102px;" %)(((
512 -**Size (bytes)**
513 -)))|=(% style="width: 74px;" %)(((
514 -1
515 -)))|=(% style="width: 72px;" %)(((
516 -1
517 -)))|=(% style="width: 47px;" %)(((
518 -1
519 -)))|=(% style="width: 83px;" %)(((
520 -1
521 -)))|=(% style="width: 90px;" %)(((
522 -1
523 -)))|=(% style="width: 92px;" %)(((
524 -1
525 -)))|=(% style="width: 78px;" %)(((
526 -1
527 -)))|=(% style="width: 91px;" %)(((
528 -1
529 -)))|=(% style="width: 91px;" %)(((
530 -1
531 -)))
532 -|(% style="width:102px" %)(((
533 -**Value**
534 -)))|(% style="width:74px" %)(((
535 -address
536 -)))|(% style="width:72px" %)(((
537 -request
538 -)))|(% style="width:47px" %)(((
539 -ACK
540 -)))|(% style="width:83px" %)(((
541 -(((
168 +**Payload:**
169 +
170 +(% border="1" style="background-color:#f7faff; color:black; width:938px" %)
171 +|=(% 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
172 +|(% style="width:123px" %)**Value**|(% style="width:38px" %)address|(% style="width:70px" %)request|(% style="width:52px" %)ACK|(% style="width:127px" %)(((
542 542  DI1&
174 +
543 543  DI1 level
544 -)))
545 -)))|(% style="width:90px" %)(((
546 -DI1TODO1
547 -)))|(% style="width:92px" %)(((
548 -DI1TORO1
549 -)))|(% style="width:78px" %)(((
550 -(((
176 +)))|(% style="width:101px" %)DI1TODO1|(% style="width:91px" %)DI1TORO1|(% style="width:111px" %)(((
551 551  DI2&
552 -DI2 leve
553 -)))
554 -)))|(% style="width:91px" %)(((
555 -DI2TODO2
556 -)))|(% style="width:91px" %)(((
557 -DI2TORO2
558 -)))
559 559  
560 -(((
179 +DI2 level
180 +)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2
181 +
561 561  (% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
562 -)))
563 563  
564 -(((
565 565  (% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
566 -)))
567 567  
568 -(((
569 569  (% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
570 -)))
571 571  
572 -(((
573 -(((
574 574  (% 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.
575 -)))
576 -)))
577 577  
578 -(((
579 -(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
580 -)))
190 +(% style="color:#037691" %)**The Fifth byte**(%%)**:  **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
581 581  
582 -(((
583 583  (% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
584 -)))
585 585  
586 -(((
587 -(((
588 588  (% 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.
589 -)))
590 -)))
591 591  
592 -(((
593 -(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
594 -)))
196 +(% style="color:#037691" %)**The 8th byte**(%%)**:  **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
595 595  
596 -(((
597 597  (% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
598 -)))
599 599  
600 -(((
601 601  
602 -
603 -(% style="color:blue" %)**Payload:（Since firmware 1.3）The receiver replies to the sent packet**
604 -)))
605 -
606 -(% border="1" style="background-color:#f7faff; color:black; width:822px" %)
607 -|=(% style="width: 97px;" %)(((
608 -**Size(bytes)**
609 -)))|=(% style="width: 71px;" %)(((
610 -1
611 -)))|=(% style="width: 70px;" %)(((
612 -1
613 -)))|=(% style="width: 48px;" %)(((
614 -1
615 -)))|=(% style="width: 85px;" %)(((
616 -1
617 -)))|=(% style="width: 90px;" %)(((
618 -1
619 -)))|=(% style="width: 88px;" %)(((
620 -1
621 -)))|=(% style="width: 86px;" %)(((
622 -1
623 -)))|=(% style="width: 92px;" %)(((
624 -1
625 -)))|=(% style="width: 92px;" %)(((
626 -1
627 -)))
628 -|(% style="width:97px" %)(((
629 -**Value**
630 -)))|(% style="width:71px" %)(((
631 -address
632 -)))|(% style="width:70px" %)(((
633 -request
634 -)))|(% style="width:48px" %)(((
635 -ACK
636 -)))|(% style="width:85px" %)(((
637 -(((
638 -DOI1&
639 -DOI2 level
640 -)))
641 -)))|(% style="width:90px" %)(((
642 -DI1TODO1
643 -)))|(% style="width:88px" %)(((
644 -DI1TORO1
645 -)))|(% style="width:86px" %)(((
646 -(((
647 -RO2&
648 -RO2 level
649 -)))
650 -)))|(% style="width:92px" %)(((
651 -DI2TODO2
652 -)))|(% style="width:92px" %)(((
653 -DI2TORO2
654 -)))
655 -
656 -(((
657 -(% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
658 -)))
659 -
660 -(((
661 -(% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
662 -)))
663 -
664 -(((
665 -(% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
666 -)))
667 -
668 -(((
669 -(((
670 -(% 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.
671 -)))
672 -)))
673 -
674 -(((
675 -(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
676 -)))
677 -
678 -(((
679 -(% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
680 -)))
681 -
682 -(((
683 -(((
684 -(% 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.
685 -)))
686 -)))
687 -
688 -(((
689 -(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
690 -)))
691 -
692 -(((
693 -(% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
694 -)))
695 -
696 -
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