Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 15.2 >
edited by Xiaoling
on 2022/06/02 14:51
To version < 4.2 >
edited by Xiaoling
on 2022/06/02 11:16
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -4,13 +4,9 @@
4 4  
5 5  = **1. Overview** =
6 6  
7 -(((
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 -)))
10 10  
11 -(((
12 12  [[Point to Point Software for LT-22222-L>>https://github.com/dragino/LT-22222-L]].
13 -)))
14 14  
15 15  == ==
16 16  
... ... @@ -17,477 +17,39 @@
17 17  = **2. Features for this firmware** =
18 18  
19 19  
20 -== **2.1  Point To Point** ==
16 +== **2.1  Overview** ==
21 21  
22 -=== **2.1.1 Overview** ===
18 +[[image:image-20220602111219-1.png]]
23 23  
24 -[[image:image-20220602111219-1.png||height="472" width="972"]]
25 25  
21 +== **2.2. Configure** ==
26 26  
27 -=== **2.2.2 Configure** ===
23 +A's configuration:AT+GROUPMOD=0            B's configuration:AT+GROUPMOD=0
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
25 +AT+TXCHS=868700000                        AT+TXCHS=869000000
40 40  
27 +AT+RXCHS=869000000                        AT+RXCHS=868700000
41 41  
29 + AT+TRIG1=2,50                             AT+TRIG1=2,50
42 42  
43 -=== **2.2.3 Serial port display** ===
31 + AT+TRIG2=2,50                           AT+TRIG2=2,50
44 44  
33 + AT+DI1TODO1=2                            AT+DI1TODO1=2
45 45  
46 -(% class="wikigeneratedid" %)
47 -[[image:image-20220602111219-2.png]]
35 +AT+DI1TORO1=2                            AT+DI1TORO1=2
48 48  
37 + AT+DI2TODO2=2 AT+DI2TODO2=2
49 49  
50 -(% class="wikigeneratedid" %)
51 -[[image:image-20220602111219-3.png]]
39 +AT+DI2TORO2=2                          AT+DI2TORO2=2
52 52  
53 -(% class="wikigeneratedid" %)
54 -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.
55 55  
42 +== **2.3.  Serial port display** ==
56 56  
57 -== **2.2  Point To Mult-Point ** ==
44 +[[image:image-20220602111219-2.png]]
58 58  
59 -=== **2.2.1 Overview** ===
60 60  
47 +[[image:image-20220602111219-3.png]]
61 61  
62 -[[image:1654152390874-192.png]]
49 +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.
63 63  
64 -
65 -=== **2.2.2  Configure** ===
66 -
67 -
68 -(% style="color:#4f81bd" %)**Configuration of the TX group:**
69 -
70 -AT+GROUPMOD=0,2
71 -
72 -AT+TXCHS=868700000
73 -
74 -AT+RXCHS=869000000
75 -
76 -AT+TRIG1=2,50
77 -
78 -AT+TRIG2=2,50
79 -
80 -AT+DI1TODO1=1
81 -
82 -AT+DI1TORO1=1
83 -
84 -AT+DI2TODO2=1
85 -
86 -AT+DI2TORO2=1
87 -
88 -
89 -(% style="color:#4f81bd" %)**Configuration for RX group number 1:**
90 -
91 -AT+GROUPMOD=1,1
92 -
93 -AT+TXCHS=869000000
94 -
95 -AT+RXCHS=868700000
96 -
97 -
98 -(% style="color:#4f81bd" %)**Configuration for RX group number 2:**
99 -
100 -AT+GROUPMOD=1,2
101 -
102 -AT+TXCHS=869000000
103 -
104 -AT+RXCHS=868700000
105 -
106 -
107 -=== **2.2.3 Serial port display** ===
108 -
109 -
110 -[[image:image-20220602144747-1.png]]
111 -
112 -
113 -[[image:image-20220602144747-2.png]]
114 -
115 -(((
116 -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.
117 -)))
118 -
119 -
120 -
121 -
122 -== **2.3 AT command** ==
123 -
124 -
125 -(((
126 -(% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
127 -)))
128 -
129 -(((
130 -(% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
131 -)))
132 -
133 -(((
134 -(% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
135 -)))
136 -
137 -(((
138 -(% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
139 -)))
140 -
141 -(((
142 -(% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
143 -)))
144 -
145 -(((
146 -(% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
147 -)))
148 -
149 -(((
150 -(% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
151 -)))
152 -
153 -(((
154 -(% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
155 -)))
156 -
157 -(((
158 -(% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
159 -)))
160 -
161 -(((
162 -(% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
163 -)))
164 -
165 -(((
166 -(% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
167 -)))
168 -
169 -(((
170 -(% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
171 -)))
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 -)))
176 -
177 -(((
178 -(% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
179 -)))
180 -
181 -(((
182 -(% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
183 -)))
184 -
185 -(((
186 -(% style="color:#037691" %)**AT+SEND **(%%)**:   **Set Custom sent hex data
187 -)))
188 -
189 -(((
190 -(% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
191 -)))
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 -)))
198 -
199 -(((
200 -(% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
201 -)))
202 -
203 -(((
204 -(% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
205 -)))
206 -
207 -(((
208 -(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
209 -)))
210 -
211 -(((
212 -(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
213 -)))
214 -
215 -(((
216 -(% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
217 -)))
218 -
219 -(((
220 -(% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
221 -)))
222 -
223 -(((
224 224  
225 -)))
226 -
227 -(((
228 -
229 -)))
230 -
231 -(((
232 -(% style="color:#4f81bd" %)**Example 1:**
233 -)))
234 -
235 -(((
236 -**AT+SEND=01020304 **will send a payload of 01020304
237 -)))
238 -
239 -(((
240 -
241 -)))
242 -
243 -(((
244 -(% style="color:#4f81bd" %)**Example 2: **
245 -)))
246 -
247 -(((
248 -**AT+TRIGx=a    **Trigger directly without triggering time
249 -)))
250 -
251 -(((
252 -**AT+TRIGx=a,b**
253 -)))
254 -
255 -(((
256 -a=0: falling edge;
257 -)))
258 -
259 -(((
260 -a=1: rising edge;
261 -)))
262 -
263 -(((
264 -a=2: falling edge or rising edge;
265 -)))
266 -
267 -(((
268 -b:  triggering time in milliseconds.
269 -)))
270 -
271 -(((
272 -AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
273 -)))
274 -
275 -(((
276 -
277 -)))
278 -
279 -(((
280 -(% style="color:#4f81bd" %)**Example 3: **
281 -)))
282 -
283 -(((
284 -**AT+DI1TODO1= maps value**
285 -)))
286 -
287 -(((
288 -**AT+DI1TORO1= maps value**
289 -)))
290 -
291 -(((
292 -**AT+DI2TODO2= maps value**
293 -)))
294 -
295 -(((
296 -**AT+DI2TORO2= maps value**
297 -)))
298 -
299 -(((
300 -
301 -)))
302 -
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 -(((
324 -If DIx is high, control ROx to close,
325 -)))
326 -
327 -(((
328 -if DIx is low, control ROx to open
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 -(((
337 -If DIx is high, control ROx to open,
338 -)))
339 -
340 -(((
341 -if DIx is low, control ROx to close
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 -)))
351 -
352 -(((
353 -(% style="color:#4f81bd" %)**Example 4: **
354 -)))
355 -
356 -(((
357 -**AT+GROUPMOD=0**  Set to point to point mode
358 -)))
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 -)))
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 -
370 -(((
371 -**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
372 -)))
373 -
374 -(((
375 -**AT+GROUPMOD=1,1**  Set the RX group numbered 1
376 -)))
377 -
378 -(((
379 -**AT+GROUPMOD=1,2**  Set the RX group numbered 2
380 -)))
381 -
382 -
383 -== **2.4 Data Format** ==
384 -
385 -(((
386 -8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
387 -)))
388 -
389 -(((
390 -
391 -)))
392 -
393 -(((
394 -(% style="color:#4f81bd" %)**Payload:**
395 -)))
396 -
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 -(((
429 -DI1&
430 -)))
431 -
432 -(((
433 -DI1 level
434 -)))
435 -)))|(% style="width:101px" %)(((
436 -DI1TODO1
437 -)))|(% style="width:91px" %)(((
438 -DI1TORO1
439 -)))|(% style="width:111px" %)(((
440 -(((
441 -DI2&
442 -)))
443 -
444 -(((
445 -DI2 level
446 -)))
447 -)))|(% style="width:105px" %)(((
448 -DI2TODO2
449 -)))|(% style="width:106px" %)(((
450 -DI2TORO2
451 -)))
452 -
453 -(((
454 -(% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
455 -)))
456 -
457 -(((
458 -(% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
459 -)))
460 -
461 -(((
462 -(% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
463 -)))
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 -)))
470 -
471 -(((
472 -(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
473 -)))
474 -
475 -(((
476 -(% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
477 -)))
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 -)))
484 -
485 -(((
486 -(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
487 -)))
488 -
489 -(((
490 -(% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
491 -)))
492 -
493 -
1654152390874-192.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -287.9 KB
Content
image-20220602144747-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -36.9 KB
Content
image-20220602144747-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -21.9 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0