Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 17.1 >
edited by Xiaoling
on 2022/06/02 14:59
To version < 8.4 >
edited by Xiaoling
on 2022/06/02 13:46
>
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1 -**Contents： **
2 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
3 3  {{toc/}}
3 +{{/box}}
4 4  
5 -
6 -
7 -
8 8  = **1. Overview** =
9 9  
10 10  (((
... ... @@ -15,18 +15,19 @@
15 15  [[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
16 16  )))
17 17  
15 +== ==
18 18  
19 19  = **2. Features for this firmware** =
20 20  
19 +
21 21  == **2.1  Point To Point** ==
22 22  
23 -=== **2.1.1 Overview** ===
24 24  
25 -
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 32  (% border="1" style="background-color:#f7faff; color:black; width:500px" %)
... ... @@ -41,453 +41,162 @@
41 41  |AT+DI2TODO2=2 |AT+DI2TODO2=2
42 42  |AT+DI2TORO2=2|AT+DI2TORO2=2
43 43  
42 +== **2.2  Point To Mult-Point ** ==
44 44  
45 -=== **2.2.3 Serial port display** ===
46 46  
47 -
48 -(% class="wikigeneratedid" %)
49 49  [[image:image-20220602111219-2.png]]
50 50  
51 51  
52 -(% class="wikigeneratedid" %)
53 53  [[image:image-20220602111219-3.png]]
54 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 ** ==
60 -
61 -=== **2.2.1 Overview** ===
62 -
63 -
64 -[[image:1654152390874-192.png]]
65 -
66 -
67 -=== **2.2.2  Configure** ===
68 -
69 -
70 -(% style="color:#4f81bd" %)**Configuration of the TX group:**
71 -
72 -AT+GROUPMOD=0,2
73 -
74 -AT+TXCHS=868700000
75 -
76 -AT+RXCHS=869000000
77 -
78 -AT+TRIG1=2,50
79 -
80 -AT+TRIG2=2,50
81 -
82 -AT+DI1TODO1=1
83 -
84 -AT+DI1TORO1=1
85 -
86 -AT+DI2TODO2=1
87 -
88 -AT+DI2TORO2=1
89 -
90 -
91 -(% style="color:#4f81bd" %)**Configuration for RX group number 1:**
92 -
93 -AT+GROUPMOD=1,1
94 -
95 -AT+TXCHS=869000000
96 -
97 -AT+RXCHS=868700000
98 -
99 -
100 -(% style="color:#4f81bd" %)**Configuration for RX group number 2:**
101 -
102 -AT+GROUPMOD=1,2
103 -
104 -AT+TXCHS=869000000
105 -
106 -AT+RXCHS=868700000
107 -
108 -
109 -=== **2.2.3 Serial port display** ===
110 -
111 -
112 -[[image:image-20220602144747-1.png]]
113 -
114 -
115 -[[image:image-20220602144747-2.png]]
116 -
117 -(((
118 -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.
119 -)))
120 -
121 -
122 122  == **2.3 AT command** ==
123 123  
124 124  
125 -(((
126 -(% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
127 -)))
56 +ATZ :  Trig a reset of the MCU
128 128  
129 -(((
130 -(% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
131 -)))
58 +AT+FDR : Reset Parameters to Factory Default, Keys Reserve
132 132  
133 -(((
134 -(% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
135 -)))
60 +AT+FCU : Get or Set the Frame Counter Uplink
136 136  
137 -(((
138 -(% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
139 -)))
62 +AT+FCD : Get or Set the Frame Counter Downlink
140 140  
141 -(((
142 -(% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
143 -)))
64 +AT+TXP : Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
144 144  
145 -(((
146 -(% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
147 -)))
66 +AT+SYNC : Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
148 148  
149 -(((
150 -(% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
151 -)))
68 +AT+PMB : Get or Set the preamble (default:8)
152 152  
153 -(((
154 -(% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
155 -)))
70 +AT+TXCHS : Get or Set the transmit frequency of TX (default:868700000)
156 156  
157 -(((
158 -(% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
159 -)))
72 +AT+TXSF : Get or Set the spreading factor of TX (7 to 12) (default:12)
160 160  
161 -(((
162 -(% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
163 -)))
74 +AT+RXCHS : Get or Set the transmit frequency of RX (default:869000000)
164 164  
165 -(((
166 -(% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
167 -)))
76 +AT+RXSF : Get or Set the spreading factor of RX (7 to 12) (default:12)
168 168  
169 -(((
170 -(% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
171 -)))
78 +AT+BW : Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
172 172  
173 -(((
174 -(% 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)
175 -)))
80 +AT+CR : Get or Set the coding rate [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] (default:1)
176 176  
177 -(((
178 -(% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
179 -)))
82 +AT+TDC : Get or set the application data transmission interval in ms(default 10 minutes)
180 180  
181 -(((
182 -(% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
183 -)))
84 +AT+VER : Get firmware version number
184 184  
185 -(((
186 -(% style="color:#037691" %)**AT+SEND **(%%)**:   **Set Custom sent hex data
187 -)))
86 +AT+SEND : Set Custom sent hex data
188 188  
189 -(((
190 -(% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
191 -)))
88 +AT+GROUPMOD : Set or Get the grouping mode of the device (default: 0)
192 192  
193 -(((
194 -(((
195 -(% 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)
196 -)))
197 -)))
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)
198 198  
199 -(((
200 -(% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
201 -)))
92 +AT+TRIG1 : Set or Get the DI1 pin interrupt trigger mode (default 0,0)
202 202  
203 -(((
204 -(% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
205 -)))
94 +AT+TRIG2 : Set or Get the DI2 pin interrupt trigger mode (default 0,0)
206 206  
207 -(((
208 -(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
209 -)))
96 +AT+DI1TODO1 : Set or get the mode in which DI1 maps to DO1 (default 0)
210 210  
211 -(((
212 -(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
213 -)))
98 +AT+DI1TORO1 : Set or get the mode in which DI1 maps to RO1(default 0)
214 214  
215 -(((
216 -(% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
217 -)))
100 +AT+DI2TODO2 : Set or get the mode in which DI2 maps to DO2(default 0)
218 218  
219 -(((
220 -(% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
221 -)))
102 +AT+DI2TORO2 : Set or get the mode in which DI2 maps to RO2(default 0)
222 222  
223 -(((
224 -
225 -)))
226 226  
227 -(((
228 -
229 -)))
230 230  
231 -(((
232 -(% style="color:#4f81bd" %)**Example 1:**
233 -)))
106 +**Example1:** AT+SEND=01020304 will send a payload of 01020304
234 234  
235 -(((
236 -**AT+SEND=01020304 **will send a payload of 01020304
237 -)))
238 238  
239 -(((
240 -
241 -)))
109 +i.g. AT+TRIGx=a  Trigger directly without triggering time
242 242  
243 -(((
244 -(% style="color:#4f81bd" %)**Example 2: **
245 -)))
111 +AT+TRIGx=a,b  a=0, falling edge;
246 246  
247 -(((
248 -**AT+TRIGx=a    **Trigger directly without triggering time
249 -)))
113 +a=1, rising edge;
250 250  
251 -(((
252 -**AT+TRIGx=a,b**
253 -)))
115 + a=2, falling edge or rising edge.
254 254  
255 -(((
256 -a=0: falling edge;
257 -)))
117 + b, triggering time in milliseconds
258 258  
259 -(((
260 -a=1: rising edge;
261 -)))
119 + AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms
262 262  
263 -(((
264 -a=2: falling edge or rising edge;
265 -)))
266 266  
267 -(((
268 -b:  triggering time in milliseconds.
269 -)))
122 +i.g. AT+DI1TODO1= maps value
270 270  
271 -(((
272 -AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
273 -)))
124 + AT+DI1TORO1= maps value
274 274  
275 -(((
276 -
277 -)))
126 +AT+DI2TODO2= maps value
278 278  
279 -(((
280 -(% style="color:#4f81bd" %)**Example 3: **
281 -)))
128 +AT+DI2TORO2= maps value
282 282  
283 -(((
284 -**AT+DI1TODO1= maps value**
285 -)))
286 286  
287 -(((
288 -**AT+DI1TORO1= maps value**
289 -)))
290 290  
291 -(((
292 -**AT+DI2TODO2= maps value**
293 -)))
294 294  
295 -(((
296 -**AT+DI2TORO2= maps value**
297 -)))
298 -
299 -(((
300 -
301 -)))
302 -
303 303  (% border="1" style="background-color:#f7faff; color:black; width:706px" %)
304 -|=(% style="width: 102px;" %)(((
305 -Maps value
306 -)))|=(% style="width: 331px;" %)(((
307 -DIx to DOx
308 -)))|=(% style="width: 268px;" %)(((
309 -DIx to ROx
310 -)))
311 -|(% style="width:102px" %)(((
312 -0
313 -)))|(% style="width:331px" %)(((
314 -No Action
315 -)))|(% style="width:268px" %)(((
316 -No Action
317 -)))
318 -|(% style="width:102px" %)(((
319 -1
320 -)))|(% style="width:331px" %)(((
321 -If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level
322 -)))|(% style="width:268px" %)(((
323 -(((
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" %)(((
324 324  If DIx is high, control ROx to close,
325 -)))
326 326  
327 -(((
328 328  if DIx is low, control ROx to open
329 329  )))
330 -)))
331 -|(% style="width:102px" %)(((
332 -2
333 -)))|(% style="width:331px" %)(((
334 -If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level
335 -)))|(% style="width:268px" %)(((
336 -(((
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" %)(((
337 337  If DIx is high, control ROx to open,
338 -)))
339 339  
340 -(((
341 341  if DIx is low, control ROx to close
342 342  )))
343 -)))
344 -|(% style="width:102px" %)(((
345 -3
346 -)))|(% style="width:331px" %)(((
347 -DOx state flip
348 -)))|(% style="width:268px" %)(((
349 -ROx state flip
350 -)))
146 +|(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip
351 351  
352 -(((
353 -(% style="color:#4f81bd" %)**Example 4: **
354 -)))
148 +i.g. AT+GROUPMOD=0  Set to point to point mode
355 355  
356 -(((
357 -**AT+GROUPMOD=0**  Set to point to point mode
358 -)))
150 +AT+GROUPMOD=0,aa  Set the TX group that controls the number of aa (The maximum value of aa is 8)
359 359  
360 -(((
361 -**AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
362 -)))
152 +AT+GROUPMOD=1,bb   Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
363 363  
364 -(((
365 -(((
366 -**AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
367 -)))
368 -)))
369 369  
370 -(((
371 -**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
372 -)))
155 +AT+GROUPMOD=0,2  Set to control the TX group of the two RX groups
373 373  
374 -(((
375 -**AT+GROUPMOD=1,1**  Set the RX group numbered 1
376 -)))
157 +AT+GROUPMOD=1,1  Set the RX group numbered 1
377 377  
378 -(((
379 -**AT+GROUPMOD=1,2**  Set the RX group numbered 2
380 -)))
159 +AT+GROUPMOD=1,2  Set the RX group numbered 2
381 381  
382 382  
162 +
383 383  == **2.4 Data Format** ==
384 384  
385 -(((
386 386  8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
387 -)))
388 388  
389 -(((
390 -
391 -)))
392 392  
393 -(((
394 -(% style="color:#4f81bd" %)**Payload:**
395 -)))
168 +Payload:
396 396  
397 397  (% border="1" style="background-color:#f7faff; color:black; width:938px" %)
398 -|=(% style="width: 123px;" %)(((
399 -**Size (bytes)**
400 -)))|=(% style="width: 107px;" %)(((
401 -1
402 -)))|=(% style="width: 107px;" %)(((
403 -1
404 -)))|=(% style="width: 107px;" %)(((
405 -1
406 -)))|=(% style="width: 107px;" %)(((
407 -1
408 -)))|=(% style="width: 107px;" %)(((
409 -1
410 -)))|=(% style="width: 107px;" %)(((
411 -1
412 -)))|=(% style="width: 107px;" %)(((
413 -1
414 -)))|=(% style="width: 107px;" %)(((
415 -1
416 -)))|=(% style="width: 107px;" %)(((
417 -1
418 -)))
419 -|(% style="width:123px" %)(((
420 -**Value**
421 -)))|(% style="width:38px" %)(((
422 -address
423 -)))|(% style="width:70px" %)(((
424 -request
425 -)))|(% style="width:52px" %)(((
426 -ACK
427 -)))|(% style="width:127px" %)(((
428 -(((
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" %)(((
429 429  DI1&
430 -)))
431 431  
432 -(((
433 433  DI1 level
434 -)))
435 -)))|(% style="width:101px" %)(((
436 -DI1TODO1
437 -)))|(% style="width:91px" %)(((
438 -DI1TORO1
439 -)))|(% style="width:111px" %)(((
440 -(((
176 +)))|(% style="width:101px" %)DI1TODO1|(% style="width:91px" %)DI1TORO1|(% style="width:111px" %)(((
441 441  DI2&
442 -)))
443 443  
444 -(((
445 445  DI2 level
446 -)))
447 -)))|(% style="width:105px" %)(((
448 -DI2TODO2
449 -)))|(% style="width:106px" %)(((
450 -DI2TORO2
451 -)))
180 +)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2
452 452  
453 -(((
454 -(% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
455 -)))
182 +**The first byte**: 00 is the broadcast address, 01-08 is the RX group number
456 456  
457 -(((
458 -(% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
459 -)))
184 +**The second byte**: send mapping request when not 0, not request when it is 0
460 460  
461 -(((
462 -(% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
463 -)))
186 +**The third byte**: ACK returned to the sender after the mapping is completed
464 464  
465 -(((
466 -(((
467 -(% 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.
468 -)))
469 -)))
188 +**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
470 470  
471 -(((
472 -(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
473 -)))
190 +**The Fifth byte**: DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered
474 474  
475 -(((
476 -(% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
477 -)))
192 +**The Sixth byte**: 0 does not trigger interrupt when DI1TORO1 interrupt is triggered
478 478  
479 -(((
480 -(((
481 -(% 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.
482 -)))
483 -)))
194 +**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
484 484  
485 -(((
486 -(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
487 -)))
196 +**The 8th byte**: DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered
488 488  
489 -(((
490 -(% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
491 -)))
198 +**The 9th byte**: DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered
492 492  
493 493  
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