Changes for page Point to Point Communication of LT-22222-L
Last modified by Edwin Chen on 2022/11/22 09:38
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... ... @@ -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** ... ... @@ -39,16 +39,30 @@ 39 39 |AT+DI2TORO2=2|AT+DI2TORO2=2 40 40 41 41 42 -== **2.2 Point To Mult-Point ** == 42 +(% class="wikigeneratedid" %) 43 +2.2.3 Serial port display 43 43 44 44 46 +(% class="wikigeneratedid" %) 45 45 [[image:image-20220602111219-2.png]] 46 46 47 47 50 +(% class="wikigeneratedid" %) 48 48 [[image:image-20220602111219-3.png]] 49 49 50 -( ((53 +(% class="wikigeneratedid" %) 51 51 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 + 52 52 ))) 53 53 54 54 ... ... @@ -55,154 +55,372 @@ 55 55 == **2.3 AT command** == 56 56 57 57 72 +((( 58 58 (% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU 74 +))) 59 59 76 +((( 60 60 (% style="color:#037691" %)**AT+FDR** (%%)**:** Reset Parameters to Factory Default, Keys Reserve 78 +))) 61 61 80 +((( 62 62 (% style="color:#037691" %)**AT+FCU** (%%)**:** Get or Set the Frame Counter Uplink 82 +))) 63 63 84 +((( 64 64 (% style="color:#037691" %)**AT+FCD** (%%)**:** Get or Set the Frame Counter Downlink 86 +))) 65 65 88 +((( 66 66 (% style="color:#037691" %)**AT+TXP** (%%)**:** Get or Set the transmit power, the maximum is 20dBm (default is 14dBm) 90 +))) 67 67 92 +((( 68 68 (% style="color:#037691" %)**AT+SYNC** (%%)**:** Get or Set the Sync word [1:0x34,0:0x12] (default is 1) 94 +))) 69 69 96 +((( 70 70 (% style="color:#037691" %)**AT+PMB** (%%)**: **Get or Set the preamble (default:8) 98 +))) 71 71 100 +((( 72 72 (% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000) 102 +))) 73 73 104 +((( 74 74 (% style="color:#037691" %)**AT+TXSF **(%%)**:** Get or Set the spreading factor of TX (7 to 12) (default:12) 106 +))) 75 75 108 +((( 76 76 (% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000) 110 +))) 77 77 112 +((( 78 78 (% style="color:#037691" %)**AT+RXSF **(%%)**:** Get or Set the spreading factor of RX (7 to 12) (default:12) 114 +))) 79 79 80 -(% style="color:#037691" %)**AT+BW **(%%)**: **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0) 116 +((( 117 +(% style="color:#037691" %)**AT+BW **(%%)**: **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0) 118 +))) 81 81 120 +((( 82 82 (% 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 +))) 83 83 124 +((( 84 84 (% style="color:#037691" %)**AT+TDC **(%%)**:** Get or set the application data transmission interval in ms(default 10 minutes) 126 +))) 85 85 128 +((( 86 86 (% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 130 +))) 87 87 88 -(% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 132 +((( 133 +(% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 134 +))) 89 89 136 +((( 90 90 (% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0) 138 +))) 91 91 140 +((( 141 +((( 92 92 (% 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 +))) 93 93 146 +((( 94 94 (% style="color:#037691" %)**AT+TRIG1 **(%%)**:** Set or Get the DI1 pin interrupt trigger mode (default 0,0) 148 +))) 95 95 150 +((( 96 96 (% style="color:#037691" %)**AT+TRIG2 **(%%)**: **Set or Get the DI2 pin interrupt trigger mode (default 0,0) 152 +))) 97 97 154 +((( 98 98 (% style="color:#037691" %)**AT+DI1TODO1 **(%%)**: **Set or get the mode in which DI1 maps to DO1 (default 0) 156 +))) 99 99 158 +((( 100 100 (% style="color:#037691" %)**AT+DI1TORO1 **(%%)**: **Set or get the mode in which DI1 maps to RO1(default 0) 160 +))) 101 101 162 +((( 102 102 (% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:** Set or get the mode in which DI2 maps to DO2(default 0) 164 +))) 103 103 166 +((( 104 104 (% style="color:#037691" %)**AT+DI2TORO2 **(%%)**: **Set or get the mode in which DI2 maps to RO2(default 0) 168 +))) 105 105 170 +((( 171 + 172 +))) 106 106 174 +((( 175 + 176 +))) 107 107 178 +((( 108 108 (% style="color:#4f81bd" %)**Example 1:** 180 +))) 109 109 182 +((( 110 110 **AT+SEND=01020304 **will send a payload of 01020304 184 +))) 111 111 186 +((( 187 + 188 +))) 112 112 190 +((( 113 113 (% style="color:#4f81bd" %)**Example 2: ** 192 +))) 114 114 194 +((( 115 115 **AT+TRIGx=a **Trigger directly without triggering time 196 +))) 116 116 198 +((( 117 117 **AT+TRIGx=a,b** 200 +))) 118 118 202 +((( 119 119 a=0: falling edge; 204 +))) 120 120 206 +((( 121 121 a=1: rising edge; 208 +))) 122 122 210 +((( 123 123 a=2: falling edge or rising edge; 212 +))) 124 124 214 +((( 125 125 b: triggering time in milliseconds. 216 +))) 126 126 218 +((( 127 127 AT+TRIGx=2,50 Falling edge or rising edge trigger, and the trigger time exceeds 50ms. 220 +))) 128 128 222 +((( 223 + 224 +))) 129 129 226 +((( 130 130 (% style="color:#4f81bd" %)**Example 3: ** 228 +))) 131 131 230 +((( 132 132 **AT+DI1TODO1= maps value** 232 +))) 133 133 234 +((( 134 134 **AT+DI1TORO1= maps value** 236 +))) 135 135 238 +((( 136 136 **AT+DI2TODO2= maps value** 240 +))) 137 137 242 +((( 138 138 **AT+DI2TORO2= maps value** 244 +))) 139 139 246 +((( 247 + 248 +))) 140 140 141 141 (% border="1" style="background-color:#f7faff; color:black; width:706px" %) 142 -|=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx 143 -|(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action 144 -|(% 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 +((( 145 145 If DIx is high, control ROx to close, 272 +))) 146 146 274 +((( 147 147 if DIx is low, control ROx to open 148 148 ))) 149 -|(% 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 +((( 150 150 If DIx is high, control ROx to open, 285 +))) 151 151 287 +((( 152 152 if DIx is low, control ROx to close 153 153 ))) 154 -|(% 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 +))) 155 155 299 +((( 156 156 (% style="color:#4f81bd" %)**Example 4: ** 301 +))) 157 157 303 +((( 158 158 **AT+GROUPMOD=0** Set to point to point mode 305 +))) 159 159 307 +((( 160 160 **AT+GROUPMOD=0,aa** Set the TX group that controls the number of aa (The maximum value of aa is 8) 309 +))) 161 161 311 +((( 312 +((( 162 162 **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 +))) 163 163 317 +((( 164 164 **AT+GROUPMOD=0,2** Set to control the TX group of the two RX groups 319 +))) 165 165 321 +((( 166 166 **AT+GROUPMOD=1,1** Set the RX group numbered 1 323 +))) 167 167 325 +((( 168 168 **AT+GROUPMOD=1,2** Set the RX group numbered 2 327 +))) 169 169 170 170 171 171 == **2.4 Data Format** == 172 172 332 +((( 173 173 8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum 334 +))) 174 174 336 +((( 337 + 338 +))) 175 175 340 +((( 176 176 (% style="color:#4f81bd" %)**Payload:** 342 +))) 177 177 178 178 (% border="1" style="background-color:#f7faff; color:black; width:938px" %) 179 -|=(% 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;" %)1 180 -|(% 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 +((( 181 181 DI1& 377 +))) 182 182 379 +((( 183 183 DI1 level 184 -)))|(% 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 +((( 185 185 DI2& 389 +))) 186 186 391 +((( 187 187 DI2 level 188 -)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2 393 +))) 394 +)))|(% style="width:105px" %)((( 395 +DI2TODO2 396 +)))|(% style="width:106px" %)((( 397 +DI2TORO2 398 +))) 189 189 400 +((( 190 190 (% style="color:#037691" %)**The first byte**(%%)**:** 00 is the broadcast address, 01-08 is the RX group number. 402 +))) 191 191 404 +((( 192 192 (% style="color:#037691" %)**The second byte**(%%)**:** send mapping request when not 0, not request when it is 0. 406 +))) 193 193 408 +((( 194 194 (% style="color:#037691" %)**The third byte**(%%)**:** ACK returned to the sender after the mapping is completed. 410 +))) 195 195 412 +((( 413 +((( 196 196 (% 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 +))) 197 197 418 +((( 198 198 (% style="color:#037691" %)**The Fifth byte**(%%)**: **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered. 420 +))) 199 199 422 +((( 200 200 (% style="color:#037691" %)**The Sixth byte**(%%)**:** 0 does not trigger interrupt when DI1TORO1 interrupt is triggered. 424 +))) 201 201 426 +((( 427 +((( 202 202 (% 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 +))) 203 203 432 +((( 204 204 (% style="color:#037691" %)**The 8th byte**(%%)**: **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered. 434 +))) 205 205 436 +((( 206 206 (% style="color:#037691" %)**The 9th byte**(%%)**:** DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered. 438 +))) 207 207 208 208
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