Last modified by Edwin Chen on 2022/11/22 09:38
<
From version < 12.1 >
edited by Xiaoling
on 2022/06/02 14:34
To version < 5.1 >
edited by Xiaoling
on 2022/06/02 11:36
>
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  
... ... @@ -17,15 +17,13 @@
17 17  = **2. Features for this firmware** =
18 18  
19 19  
20 -== **2.1  Point To Point** ==
16 +== **2.1  Overview** ==
21 21  
18 +[[image:image-20220602111219-1.png]]
22 22  
23 -[[image:image-20220602111219-1.png||height="472" width="972"]]
24 24  
21 +== **2.2. Configure** ==
25 25  
26 -(% class="wikigeneratedid" id="H2.2.Configure" %)
27 -(% style="color:blue" %)**Configure:**
28 -
29 29  (% border="1" style="background-color:#f7faff; color:black; width:500px" %)
30 30  |=**A's configuration**|=**B's configuration**
31 31  |AT+GROUPMOD=0|AT+GROUPMOD=0
... ... @@ -38,8 +38,8 @@
38 38  |AT+DI2TODO2=2 |AT+DI2TODO2=2
39 39  |AT+DI2TORO2=2|AT+DI2TORO2=2
40 40  
41 -== **2.2  Point To Mult-Point ** ==
42 42  
36 +== **2.3.  Serial port display** ==
43 43  
44 44  [[image:image-20220602111219-2.png]]
45 45  
... ... @@ -46,380 +46,6 @@
46 46  
47 47  [[image:image-20220602111219-3.png]]
48 48  
49 -(((
50 50  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.
51 -)))
52 52  
53 -
54 -== **2.3 AT command** ==
55 -
56 -
57 -(((
58 -(% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
59 -)))
60 -
61 -(((
62 -(% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
63 -)))
64 -
65 -(((
66 -(% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
67 -)))
68 -
69 -(((
70 -(% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
71 -)))
72 -
73 -(((
74 -(% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
75 -)))
76 -
77 -(((
78 -(% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
79 -)))
80 -
81 -(((
82 -(% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
83 -)))
84 -
85 -(((
86 -(% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
87 -)))
88 -
89 -(((
90 -(% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
91 -)))
92 -
93 -(((
94 -(% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
95 -)))
96 -
97 -(((
98 -(% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
99 -)))
100 -
101 -(((
102 -(% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
103 -)))
104 -
105 -(((
106 -(% 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)
107 -)))
108 -
109 -(((
110 -(% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
111 -)))
112 -
113 -(((
114 -(% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
115 -)))
116 -
117 -(((
118 -(% style="color:#037691" %)**AT+SEND **(%%)**:   **Set Custom sent hex data
119 -)))
120 -
121 -(((
122 -(% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
123 -)))
124 -
125 -(((
126 -(((
127 -(% 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)
128 -)))
129 -)))
130 -
131 -(((
132 -(% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
133 -)))
134 -
135 -(((
136 -(% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
137 -)))
138 -
139 -(((
140 -(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
141 -)))
142 -
143 -(((
144 -(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
145 -)))
146 -
147 -(((
148 -(% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
149 -)))
150 -
151 -(((
152 -(% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
153 -)))
154 -
155 -(((
156 156  
157 -)))
158 -
159 -(((
160 -
161 -)))
162 -
163 -(((
164 -(% style="color:#4f81bd" %)**Example 1:**
165 -)))
166 -
167 -(((
168 -**AT+SEND=01020304 **will send a payload of 01020304
169 -)))
170 -
171 -(((
172 -
173 -)))
174 -
175 -(((
176 -(% style="color:#4f81bd" %)**Example 2: **
177 -)))
178 -
179 -(((
180 -**AT+TRIGx=a    **Trigger directly without triggering time
181 -)))
182 -
183 -(((
184 -**AT+TRIGx=a,b**
185 -)))
186 -
187 -(((
188 -a=0: falling edge;
189 -)))
190 -
191 -(((
192 -a=1: rising edge;
193 -)))
194 -
195 -(((
196 -a=2: falling edge or rising edge;
197 -)))
198 -
199 -(((
200 -b:  triggering time in milliseconds.
201 -)))
202 -
203 -(((
204 -AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
205 -)))
206 -
207 -(((
208 -
209 -)))
210 -
211 -(((
212 -(% style="color:#4f81bd" %)**Example 3: **
213 -)))
214 -
215 -(((
216 -**AT+DI1TODO1= maps value**
217 -)))
218 -
219 -(((
220 -**AT+DI1TORO1= maps value**
221 -)))
222 -
223 -(((
224 -**AT+DI2TODO2= maps value**
225 -)))
226 -
227 -(((
228 -**AT+DI2TORO2= maps value**
229 -)))
230 -
231 -(((
232 -
233 -)))
234 -
235 -(% border="1" style="background-color:#f7faff; color:black; width:706px" %)
236 -|=(% style="width: 102px;" %)(((
237 -Maps value
238 -)))|=(% style="width: 331px;" %)(((
239 -DIx to DOx
240 -)))|=(% style="width: 268px;" %)(((
241 -DIx to ROx
242 -)))
243 -|(% style="width:102px" %)(((
244 -0
245 -)))|(% style="width:331px" %)(((
246 -No Action
247 -)))|(% style="width:268px" %)(((
248 -No Action
249 -)))
250 -|(% style="width:102px" %)(((
251 -1
252 -)))|(% style="width:331px" %)(((
253 -If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level
254 -)))|(% style="width:268px" %)(((
255 -(((
256 -If DIx is high, control ROx to close,
257 -)))
258 -
259 -(((
260 -if DIx is low, control ROx to open
261 -)))
262 -)))
263 -|(% style="width:102px" %)(((
264 -2
265 -)))|(% style="width:331px" %)(((
266 -If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level
267 -)))|(% style="width:268px" %)(((
268 -(((
269 -If DIx is high, control ROx to open,
270 -)))
271 -
272 -(((
273 -if DIx is low, control ROx to close
274 -)))
275 -)))
276 -|(% style="width:102px" %)(((
277 -3
278 -)))|(% style="width:331px" %)(((
279 -DOx state flip
280 -)))|(% style="width:268px" %)(((
281 -ROx state flip
282 -)))
283 -
284 -(((
285 -(% style="color:#4f81bd" %)**Example 4: **
286 -)))
287 -
288 -(((
289 -**AT+GROUPMOD=0**  Set to point to point mode
290 -)))
291 -
292 -(((
293 -**AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
294 -)))
295 -
296 -(((
297 -(((
298 -**AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
299 -)))
300 -)))
301 -
302 -(((
303 -**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
304 -)))
305 -
306 -(((
307 -**AT+GROUPMOD=1,1**  Set the RX group numbered 1
308 -)))
309 -
310 -(((
311 -**AT+GROUPMOD=1,2**  Set the RX group numbered 2
312 -)))
313 -
314 -
315 -== **2.4 Data Format** ==
316 -
317 -(((
318 -8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
319 -)))
320 -
321 -(((
322 -
323 -)))
324 -
325 -(((
326 -(% style="color:#4f81bd" %)**Payload:**
327 -)))
328 -
329 -(% border="1" style="background-color:#f7faff; color:black; width:938px" %)
330 -|=(% style="width: 123px;" %)(((
331 -**Size (bytes)**
332 -)))|=(% style="width: 107px;" %)(((
333 -1
334 -)))|=(% style="width: 107px;" %)(((
335 -1
336 -)))|=(% style="width: 107px;" %)(((
337 -1
338 -)))|=(% style="width: 107px;" %)(((
339 -1
340 -)))|=(% style="width: 107px;" %)(((
341 -1
342 -)))|=(% style="width: 107px;" %)(((
343 -1
344 -)))|=(% style="width: 107px;" %)(((
345 -1
346 -)))|=(% style="width: 107px;" %)(((
347 -1
348 -)))|=(% style="width: 107px;" %)(((
349 -1
350 -)))
351 -|(% style="width:123px" %)(((
352 -**Value**
353 -)))|(% style="width:38px" %)(((
354 -address
355 -)))|(% style="width:70px" %)(((
356 -request
357 -)))|(% style="width:52px" %)(((
358 -ACK
359 -)))|(% style="width:127px" %)(((
360 -(((
361 -DI1&
362 -)))
363 -
364 -(((
365 -DI1 level
366 -)))
367 -)))|(% style="width:101px" %)(((
368 -DI1TODO1
369 -)))|(% style="width:91px" %)(((
370 -DI1TORO1
371 -)))|(% style="width:111px" %)(((
372 -(((
373 -DI2&
374 -)))
375 -
376 -(((
377 -DI2 level
378 -)))
379 -)))|(% style="width:105px" %)(((
380 -DI2TODO2
381 -)))|(% style="width:106px" %)(((
382 -DI2TORO2
383 -)))
384 -
385 -(((
386 -(% style="color:#037691" %)**The first byte**(%%)**:**  00 is the broadcast address, 01-08 is the RX group number.
387 -)))
388 -
389 -(((
390 -(% style="color:#037691" %)**The second byte**(%%)**:**  send mapping request when not 0, not request when it is 0.
391 -)))
392 -
393 -(((
394 -(% style="color:#037691" %)**The third byte**(%%)**:**  ACK returned to the sender after the mapping is completed.
395 -)))
396 -
397 -(((
398 -(((
399 -(% 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.
400 -)))
401 -)))
402 -
403 -(((
404 -(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
405 -)))
406 -
407 -(((
408 -(% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
409 -)))
410 -
411 -(((
412 -(((
413 -(% 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.
414 -)))
415 -)))
416 -
417 -(((
418 -(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
419 -)))
420 -
421 -(((
422 -(% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
423 -)))
424 -
425 -

Applications

Navigation

Copyright ©2010-2022 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0