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)
Details
- Page properties
-
- Content
-
... ... @@ -38,6 +38,8 @@ 38 38 |AT+DI2TODO2=2 |AT+DI2TODO2=2 39 39 |AT+DI2TORO2=2|AT+DI2TORO2=2 40 40 41 + 42 + 41 41 == **2.2 Point To Mult-Point ** == 42 42 43 43 ... ... @@ -54,372 +54,154 @@ 54 54 == **2.3 AT command** == 55 55 56 56 57 -((( 58 58 (% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU 59 -))) 60 60 61 -((( 62 62 (% style="color:#037691" %)**AT+FDR** (%%)**:** Reset Parameters to Factory Default, Keys Reserve 63 -))) 64 64 65 -((( 66 66 (% style="color:#037691" %)**AT+FCU** (%%)**:** Get or Set the Frame Counter Uplink 67 -))) 68 68 69 -((( 70 70 (% style="color:#037691" %)**AT+FCD** (%%)**:** Get or Set the Frame Counter Downlink 71 -))) 72 72 73 -((( 74 74 (% style="color:#037691" %)**AT+TXP** (%%)**:** Get or Set the transmit power, the maximum is 20dBm (default is 14dBm) 75 -))) 76 76 77 -((( 78 78 (% style="color:#037691" %)**AT+SYNC** (%%)**:** Get or Set the Sync word [1:0x34,0:0x12] (default is 1) 79 -))) 80 80 81 -((( 82 82 (% style="color:#037691" %)**AT+PMB** (%%)**: **Get or Set the preamble (default:8) 83 -))) 84 84 85 -((( 86 86 (% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000) 87 -))) 88 88 89 -((( 90 90 (% style="color:#037691" %)**AT+TXSF **(%%)**:** Get or Set the spreading factor of TX (7 to 12) (default:12) 91 -))) 92 92 93 -((( 94 94 (% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000) 95 -))) 96 96 97 -((( 98 98 (% style="color:#037691" %)**AT+RXSF **(%%)**:** Get or Set the spreading factor of RX (7 to 12) (default:12) 99 -))) 100 100 101 -((( 102 102 (% style="color:#037691" %)**AT+BW **(%%)**: **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0) 103 -))) 104 104 105 -((( 106 106 (% 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 -))) 108 108 109 -((( 110 110 (% style="color:#037691" %)**AT+TDC **(%%)**:** Get or set the application data transmission interval in ms(default 10 minutes) 111 -))) 112 112 113 -((( 114 114 (% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 115 -))) 116 116 117 -((( 118 118 (% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 119 -))) 120 120 121 -((( 122 122 (% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0) 123 -))) 124 124 125 -((( 126 -((( 127 127 (% 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 -))) 130 130 131 -((( 132 132 (% style="color:#037691" %)**AT+TRIG1 **(%%)**:** Set or Get the DI1 pin interrupt trigger mode (default 0,0) 133 -))) 134 134 135 -((( 136 136 (% style="color:#037691" %)**AT+TRIG2 **(%%)**: **Set or Get the DI2 pin interrupt trigger mode (default 0,0) 137 -))) 138 138 139 -((( 140 140 (% style="color:#037691" %)**AT+DI1TODO1 **(%%)**: **Set or get the mode in which DI1 maps to DO1 (default 0) 141 -))) 142 142 143 -((( 144 144 (% style="color:#037691" %)**AT+DI1TORO1 **(%%)**: **Set or get the mode in which DI1 maps to RO1(default 0) 145 -))) 146 146 147 -((( 148 148 (% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:** Set or get the mode in which DI2 maps to DO2(default 0) 149 -))) 150 150 151 -((( 152 152 (% style="color:#037691" %)**AT+DI2TORO2 **(%%)**: **Set or get the mode in which DI2 maps to RO2(default 0) 153 -))) 154 154 155 -((( 156 - 157 -))) 158 158 159 -((( 160 - 161 -))) 162 162 163 -((( 164 164 (% style="color:#4f81bd" %)**Example 1:** 165 -))) 166 166 167 -((( 168 168 **AT+SEND=01020304 **will send a payload of 01020304 169 -))) 170 170 171 -((( 172 - 173 -))) 174 174 175 -((( 176 176 (% style="color:#4f81bd" %)**Example 2: ** 177 -))) 178 178 179 -((( 180 180 **AT+TRIGx=a **Trigger directly without triggering time 181 -))) 182 182 183 -((( 184 184 **AT+TRIGx=a,b** 185 -))) 186 186 187 -((( 188 188 a=0: falling edge; 189 -))) 190 190 191 -((( 192 192 a=1: rising edge; 193 -))) 194 194 195 -((( 196 196 a=2: falling edge or rising edge; 197 -))) 198 198 199 -((( 200 200 b: triggering time in milliseconds. 201 -))) 202 202 203 -((( 204 204 AT+TRIGx=2,50 Falling edge or rising edge trigger, and the trigger time exceeds 50ms. 205 -))) 206 206 207 -((( 208 - 209 -))) 210 210 211 -((( 212 212 (% style="color:#4f81bd" %)**Example 3: ** 213 -))) 214 214 215 -((( 216 216 **AT+DI1TODO1= maps value** 217 -))) 218 218 219 -((( 220 220 **AT+DI1TORO1= maps value** 221 -))) 222 222 223 -((( 224 224 **AT+DI2TODO2= maps value** 225 -))) 226 226 227 -((( 228 228 **AT+DI2TORO2= maps value** 229 -))) 230 230 231 -((( 232 - 233 -))) 234 234 235 235 (% 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 -((( 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" %)((( 256 256 If DIx is high, control ROx to close, 257 -))) 258 258 259 -((( 260 260 if DIx is low, control ROx to open 261 261 ))) 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 -((( 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" %)((( 269 269 If DIx is high, control ROx to open, 270 -))) 271 271 272 -((( 273 273 if DIx is low, control ROx to close 274 274 ))) 275 -))) 276 -|(% style="width:102px" %)((( 277 -3 278 -)))|(% style="width:331px" %)((( 279 -DOx state flip 280 -)))|(% style="width:268px" %)((( 281 -ROx state flip 282 -))) 155 +|(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip 283 283 284 -((( 285 285 (% style="color:#4f81bd" %)**Example 4: ** 286 -))) 287 287 288 -((( 289 289 **AT+GROUPMOD=0** Set to point to point mode 290 -))) 291 291 292 -((( 293 293 **AT+GROUPMOD=0,aa** Set the TX group that controls the number of aa (The maximum value of aa is 8) 294 -))) 295 295 296 -((( 297 -((( 298 298 **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 -))) 301 301 302 -((( 303 303 **AT+GROUPMOD=0,2** Set to control the TX group of the two RX groups 304 -))) 305 305 306 -((( 307 307 **AT+GROUPMOD=1,1** Set the RX group numbered 1 308 -))) 309 309 310 -((( 311 311 **AT+GROUPMOD=1,2** Set the RX group numbered 2 312 -))) 313 313 314 314 315 315 == **2.4 Data Format** == 316 316 317 -((( 318 318 8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum 319 -))) 320 320 321 -((( 322 - 323 -))) 324 324 325 -((( 326 326 (% style="color:#4f81bd" %)**Payload:** 327 -))) 328 328 329 329 (% 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 -((( 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" %)((( 361 361 DI1& 362 -))) 363 363 364 -((( 365 365 DI1 level 366 -))) 367 -)))|(% style="width:101px" %)((( 368 -DI1TODO1 369 -)))|(% style="width:91px" %)((( 370 -DI1TORO1 371 -)))|(% style="width:111px" %)((( 372 -((( 185 +)))|(% style="width:101px" %)DI1TODO1|(% style="width:91px" %)DI1TORO1|(% style="width:111px" %)((( 373 373 DI2& 374 -))) 375 375 376 -((( 377 377 DI2 level 378 -))) 379 -)))|(% style="width:105px" %)((( 380 -DI2TODO2 381 -)))|(% style="width:106px" %)((( 382 -DI2TORO2 383 -))) 189 +)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2 384 384 385 -((( 386 386 (% style="color:#037691" %)**The first byte**(%%)**:** 00 is the broadcast address, 01-08 is the RX group number. 387 -))) 388 388 389 -((( 390 390 (% style="color:#037691" %)**The second byte**(%%)**:** send mapping request when not 0, not request when it is 0. 391 -))) 392 392 393 -((( 394 394 (% style="color:#037691" %)**The third byte**(%%)**:** ACK returned to the sender after the mapping is completed. 395 -))) 396 396 397 -((( 398 -((( 399 399 (% 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 -))) 402 402 403 -((( 404 404 (% style="color:#037691" %)**The Fifth byte**(%%)**: **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered. 405 -))) 406 406 407 -((( 408 408 (% style="color:#037691" %)**The Sixth byte**(%%)**:** 0 does not trigger interrupt when DI1TORO1 interrupt is triggered. 409 -))) 410 410 411 -((( 412 -((( 413 413 (% 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 -))) 416 416 417 -((( 418 418 (% style="color:#037691" %)**The 8th byte**(%%)**: **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered. 419 -))) 420 420 421 -((( 422 422 (% style="color:#037691" %)**The 9th byte**(%%)**:** DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered. 423 -))) 424 424 425 425