Last modified by Bei Jinggeng on 2022/12/19 11:05
<
From version < 7.14 >
edited by Xiaoling
on 2022/09/26 13:48
To version < 7.15 >
edited by Xiaoling
on 2022/09/26 14:28
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114 114  |=(% style="width: 105px;" %)**Size (bytes)**|=(% style="width: 109px;" %)**1**|=(% style="width: 99px;" %)**payloadsize**
115 115  |(% style="width:105px" %)**Value**|(% style="width:109px" %)TXGroupmod|(% style="width:99px" %)Send data
116 116  
117 -
118 -
119 -
120 120  = 4.  AT Command Set =
121 121  
122 122  
... ... @@ -123,21 +123,29 @@
123 123  == 4.1  Set TX and RX Bandwidth ==
124 124  
125 125  
126 -(% style="color:blue" %)**Set TX and RX BandWidth (0 ~~ 9):**
123 +**Set TX and RX BandWidth (0 ~~ 9), (% style="color:blue" %)AT Command :  AT+BW(%%)**
127 127  
125 +0:  125 kHz
128 128  
129 -**0:  125 kHz
130 130  1:  250 kHz
128 +
131 131  2:  500 kHz
130 +
132 132  3:  62.5 kHz
132 +
133 133  4:  41.67 kHz
134 +
134 134  5:  31.25 kHz
136 +
135 135  6:  20.83 kHz
138 +
136 136  7:  15.63 kHz
140 +
137 137  8:  10.42 kHz
138 -9:  7.81 kHz**
139 139  
143 +9:  7.81 kHz
140 140  
145 +
141 141  (% style="color:red" %)**Default Value: AT+BW=0,0**  (%%) ~/~/  BandWidth: 125kHz ,125kHz
142 142  
143 143  (% style="color:red" %)**Range: (0 ~~ 9)**
... ... @@ -147,8 +147,9 @@
147 147  == 4.2  Set TX and RX frequency ==
148 148  
149 149  
150 -Set TX and RX frequency (MHz):
155 +**Set TX and RX frequency (MHz), (% style="color:blue" %)AT Command :  AT+FRE(%%)**
151 151  
157 +
152 152  (% style="color:red" %)**Default Value: AT+FRE=868.100,868.100**  (%%) ~/~/  Frequency: 868.100MHz, 868.100MHz
153 153  
154 154  
... ... @@ -156,18 +156,21 @@
156 156  == 4.3  Set TX and RX Spreading Factor ==
157 157  
158 158  
159 -Set TX and RX Spreading Factor ( 5 ~~ 12)
165 +**Set TX and RX Spreading Factor ( 5 ~~ 12), (% style="color:blue" %)AT Command : AT+SF(%%)**
160 160  
167 +
161 161  (% style="color:red" %)**Default Value: AT+SF=12,12**  (%%) ~/~/  Spreading Factor : 12,12
162 162  
163 163  (% style="color:red" %)**Range: (5 ~~ 12)**
164 164  
165 165  
173 +
166 166  == 4.4  Set Tx Power Range ==
167 167  
168 168  
169 -Set Tx Power Range. ( 0 ~~ 22 dBm)
177 +**Set Tx Power Range( 0 ~~ 22 dBm), (% style="color:blue" %)AT Command : AT+POWER(%%)**
170 170  
179 +
171 171  (% style="color:red" %)**Default Value: AT+POWER=20**  (%%) ~/~/  Output Power: 20dBm
172 172  
173 173  (% style="color:red" %)**Range: (0 ~~ 22)**
... ... @@ -177,13 +177,17 @@
177 177  == 4.5  Set TX and RX Coding Rate ==
178 178  
179 179  
180 -Set TX and RX Coding Rate. ( 1 ~~ 4 )
189 +**Set TX and RX Coding Rate ( 1 ~~ 4 ), (% style="color:blue" %)AT Command ：AT+CR(%%)**
181 181  
182 182  1: 4/5
192 +
183 183  2: 4/6
194 +
184 184  3: 4/7
196 +
185 185  4: 4/8
186 186  
199 +
187 187  (% style="color:red" %)**Default Value: AT+CR=1,1**  (%%) ~/~/  Coding Rate: 4/5, 4/5
188 188  
189 189  (% style="color:red" %)**Range: (1 ~~ 4)**
... ... @@ -193,11 +193,13 @@
193 193  == 4.6  Set TX and RX Header Type ==
194 194  
195 195  
196 -Set TX and RX Header Type ( 0,1 )
209 +**Set TX and RX Header Type ( 0,1 ), (% style="color:blue" %)AT Command : AT+HEADER(%%)**
197 197  
198 198  0: Variable length packet (explicit header)
212 +
199 199  1: Fixed length packet (implicit header)
200 200  
215 +
201 201  (% style="color:red" %)**Default Value: AT+HEADER=1,1**  (%%) ~/~/  Header Type: explicit, explicit
202 202  
203 203  (% style="color:red" %)**Range: (0 ~~ 1)**
... ... @@ -207,10 +207,13 @@
207 207  == 4.7  Set TX and RX CRC Type ==
208 208  
209 209  
210 -Set TX and RX CRC Type ( 0,1)
225 +**Set TX and RX CRC Type ( 0,1) ,(% style="color:blue" %)AT Command：AT+CRC(%%)**
226 +
211 211  0: CRC OFF
228 +
212 212  1: CRC ON
213 213  
231 +
214 214  (% style="color:red" %)**Default Value: AT+CRC=0,0**  (%%) ~/~/  CRC: OFF, OFF
215 215  
216 216  (% style="color:red" %)**Range: (0 ~~ 1)**
... ... @@ -220,10 +220,13 @@
220 220  == 4.8  Set TX and RX InvertIQ ==
221 221  
222 222  
223 -Set TX and RX InvertIQ ( 0,1)
241 +**Set TX and RX InvertIQ ( 0,1) , (% style="color:blue" %)AT Command：AT+IQ(%%)**
242 +
224 224  0: Standard IQ setup
244 +
225 225  1: Inverted IQ setup
226 226  
247 +
227 227  (% style="color:red" %)**Default Value: AT+IQ=0,0**  (%%) ~/~/  Invert IQ: 0,0
228 228  
229 229  (% style="color:red" %)**Range: (0 ~~ 1)**
... ... @@ -233,8 +233,9 @@
233 233  == 4.9  Set TX and RX Preamble Length ==
234 234  
235 235  
236 -Set TX and RX Preamble Length ( 0 ~~ 65535 )
257 +**Set TX and RX Preamble Length ( 0 ~~ 65535 ) , (% style="color:blue" %)AT Command： AT+PREAMBLE(%%)**
237 237  
259 +
238 238  (% style="color:red" %)**Default Value: AT+PREAMBLE=8,8**  (%%) ~/~/  Preamble: 8,8
239 239  
240 240  (% style="color:red" %)**Range: ( 0 ~~ 65535 )**
... ... @@ -244,8 +244,9 @@
244 244  == 4.10  Set Syncword ==
245 245  
246 246  
247 -Set Syncword(0:private,1:public)
269 +**Set Syncword(0: private，1: public), (% style="color:blue" %)AT Command : AT+SYNCWORD(%%)**
248 248  
271 +
249 249  (% style="color:red" %)**Default Value: AT+SYNCWORD=0**  (%%) ~/~/  0x3444 for Public Network
250 250  
251 251  (% style="color:red" %)**Range: ( 0 ~~ 1 )**
... ... @@ -255,13 +255,15 @@
255 255  == 4.11  Set TX and RX group ==
256 256  
257 257  
258 -Set TX and RX group. (0 ~~ 255)
259 -Group > 0: Device only accept same group transmision 
260 -Group = 0: Accept Any group
281 +**Set TX and RX group. (0 ~~ 255)，(% style="color:blue" %)AT Command：AT+GROUPMOD(%%)**
261 261  
283 +Group > 0:  Device only accept same group transmision
262 262  
263 -(% style="color:red" %)**Default Value: AT+GROUPMOD=0,0**  (%%) ~/~/  0x3444 for Public Network
285 +Group = 0:  Accept Any group
264 264  
287 +
288 +(% style="color:red" %)**Default Value: AT+GROUPMOD=0,0**  (%%) ~/~/  Group: 0,0
289 +
265 265  (% style="color:red" %)**Range: ( 0 ~~ 255 )**
266 266  
267 267  
... ... @@ -270,18 +270,26 @@
270 270  == 4.12  Set Rx Timeout and Reply mode ==
271 271  
272 272  
273 -Set Rx Timeout and Reply mode, Parameter 1, Parameter2
274 -Parameter 1: 
275 - 0: Always no RX
276 - 1 ~~ 65534: Open RX window and last for specify seconds. 
277 - 65535: RX window always open.
298 +**Set Rx Timeout and Reply mode, Parameter 1, Parameter2， (% style="color:blue" %)AT Command：AT+RXMOD(%%)**
278 278  
300 +**Parameter 1: **
279 279  
280 - Parameter 2: 
281 - 0: No ACK
282 - 1: Send an ACK once got a message from another device. ACK Content is same as receive message 
283 - 2: Send an ACK once got a message from another device. ACK Content is 0x00 FF
302 + 0:  Always no RX
284 284  
304 + 1 ~~ 65534:  Open RX window and last for specify seconds.
305 +
306 + 65535:  RX window always open.
307 +
308 +
309 +**~ Parameter 2: **
310 +
311 + 0:  No ACK
312 +
313 + 1:  Send an ACK once got a message from another device. ACK Content is same as receive message
314 +
315 + 2:  Send an ACK once got a message from another device. ACK Content is 0x00 FF
316 +
317 +
285 285  (% style="color:red" %)**Default Value: AT+RXMOD=65535,2**  (%%) ~/~/  RX Mode: 65535, 2
286 286  
287 287  
... ... @@ -289,37 +289,52 @@
289 289  == 4.13  Send Message ==
290 290  
291 291  
292 -Send Message:
293 -Parameter 1: send hex or text 
325 +**Send Message， (% style="color:blue" %)AT Command：AT+SEND(%%)**
326 +
327 +**Parameter 1:** send hex or text
328 +
294 294   0: Send hex
330 +
295 295   1: Send text
296 296  
297 297  
298 -Parameter 2: Content
299 -
300 -Parameter 3 : ACK Type
334 +**Parameter 2:** Content
335 +
336 +
337 +**Parameter 3 :** ACK Type
338 +
301 301   0: No ACK
340 +
302 302   1: Wait for ACK (Same as what we sent)
342 +
303 303   2: Wait for ACK ( 0x00 FF)
304 304  
305 305  
306 -Parameter 4 : Retransmission ( 0 ~~ 8 )
346 +**Parameter 4 :** Retransmission ( 0 ~~ 8 )
347 +
307 307   0: No re-transmission
349 +
308 308   1 ~~ 8: total sends 1~~8 transmission, interval 5 seconds
309 309  
310 -**Notice: RX reply (Defined by AT+RXMOD) won't ask for TX ACK**
311 311  
353 +Example:  AT+SEND=1,hello world,0,3
312 312  
355 +(% style="color:red" %)**Notice: RX reply (Defined by AT+RXMOD) won't ask for TX ACK**
313 313  
357 +
358 +
314 314  == 4.14  Print last receive message with RSSI and SNR ==
315 315  
316 316  
317 -Print last receive message with RSSI and SNR
362 +**Print last receive message with RSSI and SNR，(% style="color:blue" %)AT+Command：AT+RECV(%%)**
363 +
318 318   0: Print in Hex
365 +
319 319   1: Print in text
320 -The recevied message will be clear after this command.
321 321  
322 322  
369 + Example: AT+RECV=0 
370 +\\The recevied message will be clear after this command.
323 323  
324 324  
325 325  
... ... @@ -327,4 +327,6 @@
327 327  
328 328  
329 329  
378 +
379 +
330 330  

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