Changes for page Point to Point Communication of LT-22222-L
Last modified by Edwin Chen on 2022/11/22 09:38
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 2 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -19,12 +19,12 @@ 19 19 20 20 == **2.1 Point To Point** == 21 21 22 +=== **2.1.1 Overview** === 22 22 23 23 [[image:image-20220602111219-1.png||height="472" width="972"]] 24 24 25 25 26 -(% class="wikigeneratedid" id="H2.2.Configure" %) 27 -(% style="color:blue" %)**Configure:** 27 +=== **2.2.2 Configure** === 28 28 29 29 (% border="1" style="background-color:#f7faff; color:black; width:500px" %) 30 30 |=**A's configuration**|=**B's configuration** ... ... @@ -39,17 +39,30 @@ 39 39 |AT+DI2TORO2=2|AT+DI2TORO2=2 40 40 41 41 42 +(% class="wikigeneratedid" %) 43 +2.2.3 Serial port display 42 42 43 -== **2.2 Point To Mult-Point ** == 44 44 45 - 46 +(% class="wikigeneratedid" %) 46 46 [[image:image-20220602111219-2.png]] 47 47 48 48 50 +(% class="wikigeneratedid" %) 49 49 [[image:image-20220602111219-3.png]] 50 50 51 -( ((53 +(% class="wikigeneratedid" %) 52 52 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 + 56 + 57 + 58 +== **2.2 Point To Mult-Point ** == 59 + 60 + 61 + 62 + 63 + 64 +((( 65 + 53 53 ))) 54 54 55 55 ... ... @@ -56,154 +56,372 @@ 56 56 == **2.3 AT command** == 57 57 58 58 72 +((( 59 59 (% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU 74 +))) 60 60 76 +((( 61 61 (% style="color:#037691" %)**AT+FDR** (%%)**:** Reset Parameters to Factory Default, Keys Reserve 78 +))) 62 62 80 +((( 63 63 (% style="color:#037691" %)**AT+FCU** (%%)**:** Get or Set the Frame Counter Uplink 82 +))) 64 64 84 +((( 65 65 (% style="color:#037691" %)**AT+FCD** (%%)**:** Get or Set the Frame Counter Downlink 86 +))) 66 66 88 +((( 67 67 (% style="color:#037691" %)**AT+TXP** (%%)**:** Get or Set the transmit power, the maximum is 20dBm (default is 14dBm) 90 +))) 68 68 92 +((( 69 69 (% style="color:#037691" %)**AT+SYNC** (%%)**:** Get or Set the Sync word [1:0x34,0:0x12] (default is 1) 94 +))) 70 70 96 +((( 71 71 (% style="color:#037691" %)**AT+PMB** (%%)**: **Get or Set the preamble (default:8) 98 +))) 72 72 100 +((( 73 73 (% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000) 102 +))) 74 74 104 +((( 75 75 (% style="color:#037691" %)**AT+TXSF **(%%)**:** Get or Set the spreading factor of TX (7 to 12) (default:12) 106 +))) 76 76 108 +((( 77 77 (% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000) 110 +))) 78 78 112 +((( 79 79 (% style="color:#037691" %)**AT+RXSF **(%%)**:** Get or Set the spreading factor of RX (7 to 12) (default:12) 114 +))) 80 80 116 +((( 81 81 (% style="color:#037691" %)**AT+BW **(%%)**: **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0) 118 +))) 82 82 120 +((( 83 83 (% 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) 122 +))) 84 84 124 +((( 85 85 (% style="color:#037691" %)**AT+TDC **(%%)**:** Get or set the application data transmission interval in ms(default 10 minutes) 126 +))) 86 86 128 +((( 87 87 (% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 130 +))) 88 88 132 +((( 89 89 (% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 134 +))) 90 90 136 +((( 91 91 (% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0) 138 +))) 92 92 140 +((( 141 +((( 93 93 (% 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) 143 +))) 144 +))) 94 94 146 +((( 95 95 (% style="color:#037691" %)**AT+TRIG1 **(%%)**:** Set or Get the DI1 pin interrupt trigger mode (default 0,0) 148 +))) 96 96 150 +((( 97 97 (% style="color:#037691" %)**AT+TRIG2 **(%%)**: **Set or Get the DI2 pin interrupt trigger mode (default 0,0) 152 +))) 98 98 154 +((( 99 99 (% style="color:#037691" %)**AT+DI1TODO1 **(%%)**: **Set or get the mode in which DI1 maps to DO1 (default 0) 156 +))) 100 100 158 +((( 101 101 (% style="color:#037691" %)**AT+DI1TORO1 **(%%)**: **Set or get the mode in which DI1 maps to RO1(default 0) 160 +))) 102 102 162 +((( 103 103 (% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:** Set or get the mode in which DI2 maps to DO2(default 0) 164 +))) 104 104 166 +((( 105 105 (% style="color:#037691" %)**AT+DI2TORO2 **(%%)**: **Set or get the mode in which DI2 maps to RO2(default 0) 168 +))) 106 106 170 +((( 171 + 172 +))) 107 107 174 +((( 175 + 176 +))) 108 108 178 +((( 109 109 (% style="color:#4f81bd" %)**Example 1:** 180 +))) 110 110 182 +((( 111 111 **AT+SEND=01020304 **will send a payload of 01020304 184 +))) 112 112 186 +((( 187 + 188 +))) 113 113 190 +((( 114 114 (% style="color:#4f81bd" %)**Example 2: ** 192 +))) 115 115 194 +((( 116 116 **AT+TRIGx=a **Trigger directly without triggering time 196 +))) 117 117 198 +((( 118 118 **AT+TRIGx=a,b** 200 +))) 119 119 202 +((( 120 120 a=0: falling edge; 204 +))) 121 121 206 +((( 122 122 a=1: rising edge; 208 +))) 123 123 210 +((( 124 124 a=2: falling edge or rising edge; 212 +))) 125 125 214 +((( 126 126 b: triggering time in milliseconds. 216 +))) 127 127 218 +((( 128 128 AT+TRIGx=2,50 Falling edge or rising edge trigger, and the trigger time exceeds 50ms. 220 +))) 129 129 222 +((( 223 + 224 +))) 130 130 226 +((( 131 131 (% style="color:#4f81bd" %)**Example 3: ** 228 +))) 132 132 230 +((( 133 133 **AT+DI1TODO1= maps value** 232 +))) 134 134 234 +((( 135 135 **AT+DI1TORO1= maps value** 236 +))) 136 136 238 +((( 137 137 **AT+DI2TODO2= maps value** 240 +))) 138 138 242 +((( 139 139 **AT+DI2TORO2= maps value** 244 +))) 140 140 246 +((( 247 + 248 +))) 141 141 142 142 (% border="1" style="background-color:#f7faff; color:black; width:706px" %) 143 -|=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx 144 -|(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action 145 -|(% 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" %)((( 251 +|=(% style="width: 102px;" %)((( 252 +Maps value 253 +)))|=(% style="width: 331px;" %)((( 254 +DIx to DOx 255 +)))|=(% style="width: 268px;" %)((( 256 +DIx to ROx 257 +))) 258 +|(% style="width:102px" %)((( 259 +0 260 +)))|(% style="width:331px" %)((( 261 +No Action 262 +)))|(% style="width:268px" %)((( 263 +No Action 264 +))) 265 +|(% style="width:102px" %)((( 266 +1 267 +)))|(% style="width:331px" %)((( 268 +If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level 269 +)))|(% style="width:268px" %)((( 270 +((( 146 146 If DIx is high, control ROx to close, 272 +))) 147 147 274 +((( 148 148 if DIx is low, control ROx to open 149 149 ))) 150 -|(% 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" %)((( 277 +))) 278 +|(% style="width:102px" %)((( 279 +2 280 +)))|(% style="width:331px" %)((( 281 +If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level 282 +)))|(% style="width:268px" %)((( 283 +((( 151 151 If DIx is high, control ROx to open, 285 +))) 152 152 287 +((( 153 153 if DIx is low, control ROx to close 154 154 ))) 155 -|(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip 290 +))) 291 +|(% style="width:102px" %)((( 292 +3 293 +)))|(% style="width:331px" %)((( 294 +DOx state flip 295 +)))|(% style="width:268px" %)((( 296 +ROx state flip 297 +))) 156 156 299 +((( 157 157 (% style="color:#4f81bd" %)**Example 4: ** 301 +))) 158 158 303 +((( 159 159 **AT+GROUPMOD=0** Set to point to point mode 305 +))) 160 160 307 +((( 161 161 **AT+GROUPMOD=0,aa** Set the TX group that controls the number of aa (The maximum value of aa is 8) 309 +))) 162 162 311 +((( 312 +((( 163 163 **AT+GROUPMOD=1,bb** Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8) 314 +))) 315 +))) 164 164 317 +((( 165 165 **AT+GROUPMOD=0,2** Set to control the TX group of the two RX groups 319 +))) 166 166 321 +((( 167 167 **AT+GROUPMOD=1,1** Set the RX group numbered 1 323 +))) 168 168 325 +((( 169 169 **AT+GROUPMOD=1,2** Set the RX group numbered 2 327 +))) 170 170 171 171 172 172 == **2.4 Data Format** == 173 173 332 +((( 174 174 8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum 334 +))) 175 175 336 +((( 337 + 338 +))) 176 176 340 +((( 177 177 (% style="color:#4f81bd" %)**Payload:** 342 +))) 178 178 179 179 (% border="1" style="background-color:#f7faff; color:black; width:938px" %) 180 -|=(% 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;" %)1 181 -|(% style="width:123px" %)**Value**|(% style="width:38px" %)address|(% style="width:70px" %)request|(% style="width:52px" %)ACK|(% style="width:127px" %)((( 345 +|=(% style="width: 123px;" %)((( 346 +**Size (bytes)** 347 +)))|=(% style="width: 107px;" %)((( 348 +1 349 +)))|=(% style="width: 107px;" %)((( 350 +1 351 +)))|=(% style="width: 107px;" %)((( 352 +1 353 +)))|=(% style="width: 107px;" %)((( 354 +1 355 +)))|=(% style="width: 107px;" %)((( 356 +1 357 +)))|=(% style="width: 107px;" %)((( 358 +1 359 +)))|=(% style="width: 107px;" %)((( 360 +1 361 +)))|=(% style="width: 107px;" %)((( 362 +1 363 +)))|=(% style="width: 107px;" %)((( 364 +1 365 +))) 366 +|(% style="width:123px" %)((( 367 +**Value** 368 +)))|(% style="width:38px" %)((( 369 +address 370 +)))|(% style="width:70px" %)((( 371 +request 372 +)))|(% style="width:52px" %)((( 373 +ACK 374 +)))|(% style="width:127px" %)((( 375 +((( 182 182 DI1& 377 +))) 183 183 379 +((( 184 184 DI1 level 185 -)))|(% style="width:101px" %)DI1TODO1|(% style="width:91px" %)DI1TORO1|(% style="width:111px" %)((( 381 +))) 382 +)))|(% style="width:101px" %)((( 383 +DI1TODO1 384 +)))|(% style="width:91px" %)((( 385 +DI1TORO1 386 +)))|(% style="width:111px" %)((( 387 +((( 186 186 DI2& 389 +))) 187 187 391 +((( 188 188 DI2 level 189 -)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2 393 +))) 394 +)))|(% style="width:105px" %)((( 395 +DI2TODO2 396 +)))|(% style="width:106px" %)((( 397 +DI2TORO2 398 +))) 190 190 400 +((( 191 191 (% style="color:#037691" %)**The first byte**(%%)**:** 00 is the broadcast address, 01-08 is the RX group number. 402 +))) 192 192 404 +((( 193 193 (% style="color:#037691" %)**The second byte**(%%)**:** send mapping request when not 0, not request when it is 0. 406 +))) 194 194 408 +((( 195 195 (% style="color:#037691" %)**The third byte**(%%)**:** ACK returned to the sender after the mapping is completed. 410 +))) 196 196 412 +((( 413 +((( 197 197 (% 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. 415 +))) 416 +))) 198 198 418 +((( 199 199 (% style="color:#037691" %)**The Fifth byte**(%%)**: **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered. 420 +))) 200 200 422 +((( 201 201 (% style="color:#037691" %)**The Sixth byte**(%%)**:** 0 does not trigger interrupt when DI1TORO1 interrupt is triggered. 424 +))) 202 202 426 +((( 427 +((( 203 203 (% 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. 429 +))) 430 +))) 204 204 432 +((( 205 205 (% style="color:#037691" %)**The 8th byte**(%%)**: **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered. 434 +))) 206 206 436 +((( 207 207 (% style="color:#037691" %)**The 9th byte**(%%)**:** DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered. 438 +))) 208 208 209 209
- 1654152390874-192.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +287.9 KB - Content
- image-20220602144747-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +36.9 KB - Content