| 1 | + | /* |
| 2 | + | CatSniffer - Use LoRa for communication with the SX1262 module |
| 3 | + | |
| 4 | + | Andres Sabas @ Electronic Cats |
| 5 | + | Original Creation Date: Jal 23, 2021 |
| 6 | + | This code is beerware; if you see me (or any other Electronic Cats |
| 7 | + | member) at the local, and you've found our code helpful, |
| 8 | + | please buy us a round! |
| 9 | + | Distributed as-is; no warranty is given. |
| 10 | + | */ |
| 11 | + | |
| 12 | + | #define SERIALCOMMAND_HARDWAREONLY |
| 13 | + | |
| 14 | + | #include <SerialCommand.h> |
| 15 | + | #include <RadioLib.h> |
| 16 | + | |
| 17 | + | #define CTF1 14 |
| 18 | + | #define CTF2 11 |
| 19 | + | #define CTF3 10 |
| 20 | + | |
| 21 | + | SerialCommand SCmd; |
| 22 | + | |
| 23 | + | float fwVersion= 0.1; |
| 24 | + | |
| 25 | + | float frequency = 915; |
| 26 | + | int spreadFactor = 8; |
| 27 | + | int bwReference = 7; |
| 28 | + | int codingRate = 5; |
| 29 | + | byte syncWord = 0x12; |
| 30 | + | int preambleLength = 8; |
| 31 | + | int outputPower = 20; |
| 32 | + | int channel = 0; |
| 33 | + | bool rx_status = false; |
| 34 | + | |
| 35 | + | // SX1262 has the following connections: |
| 36 | + | // NSS pin: 17 |
| 37 | + | // DIO1 pin: 3 |
| 38 | + | // NRST pin: 8 |
| 39 | + | // BUSY pin: 2 |
| 40 | + | SX1262 radio = new Module(17, 3, 8, 2); |
| 41 | + | |
| 42 | + | // or using RadioShield |
| 43 | + | // https://github.com/jgromes/RadioShield |
| 44 | + | //SX1262 radio = RadioShield.ModuleA; |
| 45 | + | |
| 46 | + | void setup() { |
| 47 | + | Serial.begin(9600); |
| 48 | + | while(!Serial); |
| 49 | + | |
| 50 | + | Serial.println("Welcome to the LoRa Sniffer CLI " + String(fwVersion,1) + "v\n"); |
| 51 | + | Serial.println("With this sketch you can scan the LoRa spectrum"); |
| 52 | + | Serial.println("Changing the Frequency, Spreading Factor, BandWidth or the IQ signals of the radio."); |
| 53 | + | Serial.println("Type help to get the available commands."); |
| 54 | + | Serial.println("Electronic Cats ® 2020"); |
| 55 | + | |
| 56 | + | // Setup callbacks for SerialCommand commands |
| 57 | + | SCmd.addCommand("help",help); |
| 58 | + | SCmd.addCommand("set_rx",set_rx); |
| 59 | + | SCmd.addCommand("set_tx",set_tx0); |
| 60 | + | SCmd.addCommand("set_tx_hex",set_tx1); |
| 61 | + | SCmd.addCommand("set_tx_ascii",set_tx2); |
| 62 | + | SCmd.addCommand("set_freq",set_freq); |
| 63 | + | SCmd.addCommand("set_sf",set_sf); |
| 64 | + | SCmd.addCommand("set_bw",set_bw); |
| 65 | + | SCmd.addCommand("set_cr",set_cr); |
| 66 | + | SCmd.addCommand("set_chann",set_chann); |
| 67 | + | SCmd.addCommand("set_sw",set_sw); |
| 68 | + | SCmd.addCommand("set_op",set_op); |
| 69 | + | SCmd.addCommand("set_pl",set_pl); |
| 70 | + | |
| 71 | + | SCmd.addCommand("set_rx",set_rx); |
| 72 | + | |
| 73 | + | SCmd.addCommand("get_config",get_config); |
| 74 | + | SCmd.addCommand("get_freq",get_freq); |
| 75 | + | SCmd.addCommand("get_sf",get_sf); |
| 76 | + | SCmd.addCommand("get_bw",get_bw); |
| 77 | + | SCmd.addCommand("get_cr",get_cr); |
| 78 | + | SCmd.addCommand("get_op",get_op); |
| 79 | + | SCmd.addCommand("get_sw",get_sw); |
| 80 | + | SCmd.addCommand("get_pl",get_pl); |
| 81 | + | |
| 82 | + | SCmd.setDefaultHandler(unrecognized); // Handler for command that isn't matched (says "What?") |
| 83 | + | |
| 84 | + | |
| 85 | + | pinMode(CTF1, OUTPUT); |
| 86 | + | pinMode(CTF2, OUTPUT); |
| 87 | + | pinMode(CTF3, OUTPUT); |
| 88 | + | |
| 89 | + | digitalWrite(CTF1, HIGH); |
| 90 | + | digitalWrite(CTF2, LOW); |
| 91 | + | digitalWrite(CTF3, LOW); |
| 92 | + | |
| 93 | + | |
| 94 | + | // initialize SX1262 with default settings |
| 95 | + | Serial.print(F("[SX1262] Initializing ... ")); |
| 96 | + | //debing(float freq, float bw, uint8_t sf, uint8_t cr, uint8_t syncWord, int8_t power, uint16_t preambleLength, float tcxoVoltage, bool useRegulatorLDO) |
| 97 | + | |
| 98 | + | int state = radio.begin(915.0, 250, 7, 5, 0x12, 20, 8, 0, false); |
| 99 | + | |
| 100 | + | if (state == ERR_NONE) { |
| 101 | + | Serial.println(F("success!")); |
| 102 | + | } else { |
| 103 | + | Serial.print(F("failed, code ")); |
| 104 | + | Serial.println(state); |
| 105 | + | while (true); |
| 106 | + | } |
| 107 | + | |
| 108 | + | // set the function that will be called |
| 109 | + | // when new packet is received |
| 110 | + | radio.setDio1Action(setFlag); |
| 111 | + | |
| 112 | + | rx_status = false; |
| 113 | + | |
| 114 | + | // some modules have an external RF switch |
| 115 | + | // controlled via two pins (RX enable, TX enable) |
| 116 | + | // to enable automatic control of the switch, |
| 117 | + | // call the following method |
| 118 | + | // RX enable: 4 |
| 119 | + | // TX enable: 5 |
| 120 | + | |
| 121 | + | radio.setRfSwitchPins(16, 15); |
| 122 | + | |
| 123 | + | } |
| 124 | + | |
| 125 | + | // flag to indicate that a packet was received |
| 126 | + | volatile bool receivedFlag = false; |
| 127 | + | |
| 128 | + | // disable interrupt when it's not needed |
| 129 | + | volatile bool enableInterrupt = true; |
| 130 | + | |
| 131 | + | // this function is called when a complete packet |
| 132 | + | // is received by the module |
| 133 | + | // IMPORTANT: this function MUST be 'void' type |
| 134 | + | // and MUST NOT have any arguments! |
| 135 | + | void setFlag(void) { |
| 136 | + | // check if the interrupt is enabled |
| 137 | + | if(!enableInterrupt) { |
| 138 | + | return; |
| 139 | + | } |
| 140 | + | |
| 141 | + | // we got a packet, set the flag |
| 142 | + | receivedFlag = true; |
| 143 | + | } |
| 144 | + | |
| 145 | + | void loop() { |
| 146 | + | |
| 147 | + | SCmd.readSerial(); // We don't do much, just process serial commands |
| 148 | + | |
| 149 | + | // check if the flag is set |
| 150 | + | if(receivedFlag && rx_status) { |
| 151 | + | // disable the interrupt service routine while |
| 152 | + | // processing the data |
| 153 | + | enableInterrupt = false; |
| 154 | + | |
| 155 | + | // reset flag |
| 156 | + | receivedFlag = false; |
| 157 | + | |
| 158 | + | // you can read received data as an Arduino String |
| 159 | + | String str; |
| 160 | + | int state = radio.readData(str); |
| 161 | + | |
| 162 | + | // you can also read received data as byte array |
| 163 | + | /* |
| 164 | + | byte byteArr[8]; |
| 165 | + | int state = radio.readData(byteArr, 8); |
| 166 | + | */ |
| 167 | + | |
| 168 | + | if (state == ERR_NONE) { |
| 169 | + | // packet was successfully received |
| 170 | + | Serial.println(F("[SX1262] Received packet!")); |
| 171 | + | |
| 172 | + | // print data of the packet |
| 173 | + | Serial.print(F("[SX1262] Data:\t\t")); |
| 174 | + | Serial.println(str); |
| 175 | + | |
| 176 | + | // print RSSI (Received Signal Strength Indicator) |
| 177 | + | Serial.print(F("[SX1262] RSSI:\t\t")); |
| 178 | + | Serial.print(radio.getRSSI()); |
| 179 | + | Serial.println(F(" dBm")); |
| 180 | + | |
| 181 | + | // print SNR (Signal-to-Noise Ratio) |
| 182 | + | Serial.print(F("[SX1262] SNR:\t\t")); |
| 183 | + | Serial.print(radio.getSNR()); |
| 184 | + | Serial.println(F(" dB")); |
| 185 | + | |
| 186 | + | } else if (state == ERR_CRC_MISMATCH) { |
| 187 | + | // packet was received, but is malformed |
| 188 | + | Serial.println(F("CRC error!")); |
| 189 | + | |
| 190 | + | } else { |
| 191 | + | // some other error occurred |
| 192 | + | Serial.print(F("failed, code ")); |
| 193 | + | Serial.println(state); |
| 194 | + | |
| 195 | + | } |
| 196 | + | |
| 197 | + | // put module back to listen mode |
| 198 | + | radio.startReceive(); |
| 199 | + | |
| 200 | + | // we're ready to receive more packets, |
| 201 | + | // enable interrupt service routine |
| 202 | + | enableInterrupt = true; |
| 203 | + | } |
| 204 | + | |
| 205 | + | } |
| 206 | + | void help(){ |
| 207 | + | Serial.println("Fw version: " + String(fwVersion,1)+"v"); |
| 208 | + | Serial.println("\tConfiguration commands:"); |
| 209 | + | Serial.println("\tset_rx"); |
| 210 | + | Serial.println("\tset_tx"); |
| 211 | + | Serial.println("\tset_tx_hex"); |
| 212 | + | Serial.println("\tset_tx_ascii"); |
| 213 | + | Serial.println("\tset_chann"); |
| 214 | + | Serial.println("\tset_freq"); |
| 215 | + | Serial.println("\tset_sf"); |
| 216 | + | Serial.println("\tset_bw"); |
| 217 | + | Serial.println("\tset_cr"); |
| 218 | + | Serial.println("\tset_sw"); |
| 219 | + | Serial.println("\tset_pl"); |
| 220 | + | Serial.println("\tset_op"); |
| 221 | + | |
| 222 | + | Serial.println("Monitor commands:"); |
| 223 | + | Serial.println("\tget_freq"); |
| 224 | + | Serial.println("\tget_sf"); |
| 225 | + | Serial.println("\tget_bw"); |
| 226 | + | Serial.println("\tget_cr"); |
| 227 | + | Serial.println("\tget_sw"); |
| 228 | + | Serial.println("\tget_pl"); |
| 229 | + | Serial.println("\tget_op"); |
| 230 | + | Serial.println("\tget_config"); |
| 231 | + | |
| 232 | + | Serial.println("..help"); |
| 233 | + | |
| 234 | + | } |
| 235 | + | |
| 236 | + | void set_tx0(){ |
| 237 | + | char *arg; |
| 238 | + | byte data[64]; |
| 239 | + | int i; |
| 240 | + | |
| 241 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 242 | + | if(arg != NULL){ |
| 243 | + | for(i = 0; arg != NULL; i++){ |
| 244 | + | if((arg[0] > 47 && arg[0]< 58) && (arg[1] > 47 && arg[1]< 58) && (arg[2] > 47 && arg[2]< 58) && arg[3] == 0){ |
| 245 | + | |
| 246 | + | data[i] = (byte)strtoul(arg, NULL, 10); |
| 247 | + | //Serial.println(data[i],BIN); |
| 248 | + | } |
| 249 | + | else { |
| 250 | + | Serial.println("Use a series of xxx values separated by spaces. The value xxx represents a 3-digit number < 255. "); |
| 251 | + | return; |
| 252 | + | } |
| 253 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 254 | + | } |
| 255 | + | |
| 256 | + | for(int j = 0; j < i; j++){ |
| 257 | + | Serial.print(data[j]); |
| 258 | + | Serial.print(" "); |
| 259 | + | } |
| 260 | + | |
| 261 | + | int state = radio.transmit(data, i); |
| 262 | + | |
| 263 | + | if (state == ERR_NONE) { |
| 264 | + | // the packet was successfully transmitted |
| 265 | + | Serial.println(F("success!")); |
| 266 | + | |
| 267 | + | // print measured data rate |
| 268 | + | Serial.print(F("[SX1262] Datarate:\t")); |
| 269 | + | Serial.print(radio.getDataRate()); |
| 270 | + | Serial.println(F(" bps")); |
| 271 | + | |
| 272 | + | } else if (state == ERR_PACKET_TOO_LONG) { |
| 273 | + | // the supplied packet was longer than 256 bytes |
| 274 | + | Serial.println(F("too long!")); |
| 275 | + | |
| 276 | + | } else if (state == ERR_TX_TIMEOUT) { |
| 277 | + | // timeout occured while transmitting packet |
| 278 | + | Serial.println(F("timeout!")); |
| 279 | + | |
| 280 | + | } else { |
| 281 | + | // some other error occurred |
| 282 | + | Serial.print(F("failed, code ")); |
| 283 | + | Serial.println(state); |
| 284 | + | |
| 285 | + | } |
| 286 | + | |
| 287 | + | Serial.println(); |
| 288 | + | Serial.print(i); |
| 289 | + | Serial.println(" byte(s) sent"); |
| 290 | + | |
| 291 | + | rx_status = false; |
| 292 | + | } |
| 293 | + | else { |
| 294 | + | Serial.println("No argument"); |
| 295 | + | } |
| 296 | + | } |
| 297 | + | |
| 298 | + | void set_tx1(){ |
| 299 | + | char *arg; |
| 300 | + | byte data[64]; |
| 301 | + | int i; |
| 302 | + | |
| 303 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 304 | + | if(arg != NULL){ |
| 305 | + | for(i = 0; arg != NULL; i++){ |
| 306 | + | |
| 307 | + | if((arg[0] > 64 && arg[0]< 71 || arg[0] > 47 && arg[0]< 58) && (arg[1] > 64 && arg[1]< 71 || arg[1] > 47 && arg[1]< 58) && arg[2] == 0){ |
| 308 | + | |
| 309 | + | data[i] = 0; |
| 310 | + | data[i] = nibble(*(arg))<<4; |
| 311 | + | data[i] = data[i]|nibble(*(arg + 1)); |
| 312 | + | } |
| 313 | + | else{ |
| 314 | + | Serial.println("Use a series of yy values separated by spaces. The value yy represents any pair of hexadecimal digits. "); |
| 315 | + | return; |
| 316 | + | } |
| 317 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 318 | + | } |
| 319 | + | |
| 320 | + | for(int j = 0; j < i; j++){ |
| 321 | + | Serial.print(data[j], HEX); |
| 322 | + | Serial.print(" "); |
| 323 | + | } |
| 324 | + | |
| 325 | + | int state = radio.transmit(data, i); |
| 326 | + | |
| 327 | + | if (state == ERR_NONE) { |
| 328 | + | // the packet was successfully transmitted |
| 329 | + | Serial.println(F("success!")); |
| 330 | + | |
| 331 | + | // print measured data rate |
| 332 | + | Serial.print(F("[SX1262] Datarate:\t")); |
| 333 | + | Serial.print(radio.getDataRate()); |
| 334 | + | Serial.println(F(" bps")); |
| 335 | + | |
| 336 | + | } else if (state == ERR_PACKET_TOO_LONG) { |
| 337 | + | // the supplied packet was longer than 256 bytes |
| 338 | + | Serial.println(F("too long!")); |
| 339 | + | |
| 340 | + | } else if (state == ERR_TX_TIMEOUT) { |
| 341 | + | // timeout occured while transmitting packet |
| 342 | + | Serial.println(F("timeout!")); |
| 343 | + | |
| 344 | + | } else { |
| 345 | + | // some other error occurred |
| 346 | + | Serial.print(F("failed, code ")); |
| 347 | + | Serial.println(state); |
| 348 | + | |
| 349 | + | } |
| 350 | + | |
| 351 | + | |
| 352 | + | Serial.println(); |
| 353 | + | Serial.print(i); |
| 354 | + | Serial.println(" byte(s) sent"); |
| 355 | + | |
| 356 | + | rx_status = false; |
| 357 | + | |
| 358 | + | } |
| 359 | + | else { |
| 360 | + | Serial.println("No argument"); |
| 361 | + | } |
| 362 | + | } |
| 363 | + | |
| 364 | + | |
| 365 | + | void set_tx2(){ |
| 366 | + | char *arg; |
| 367 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 368 | + | if (arg != NULL){ |
| 369 | + | |
| 370 | + | Serial.print(F("[SX1262] Transmitting packet ... ")); |
| 371 | + | |
| 372 | + | // you can transmit C-string or Arduino string up to |
| 373 | + | // 256 characters long |
| 374 | + | // NOTE: transmit() is a blocking method! |
| 375 | + | // See example SX126x_Transmit_Interrupt for details |
| 376 | + | // on non-blocking transmission method. |
| 377 | + | int state = radio.transmit("Hello World!"); |
| 378 | + | |
| 379 | + | // you can also transmit byte array up to 256 bytes long |
| 380 | + | /* |
| 381 | + | byte byteArr[] = {0x01, 0x23, 0x45, 0x56, 0x78, 0xAB, 0xCD, 0xEF}; |
| 382 | + | int state = radio.transmit(byteArr, 8); |
| 383 | + | */ |
| 384 | + | |
| 385 | + | if (state == ERR_NONE) { |
| 386 | + | // the packet was successfully transmitted |
| 387 | + | Serial.println(F(" Success!, ASCII message sent")); |
| 388 | + | |
| 389 | + | // print measured data rate |
| 390 | + | Serial.print(F("[SX1262] Datarate:\t")); |
| 391 | + | Serial.print(radio.getDataRate()); |
| 392 | + | Serial.println(F(" bps")); |
| 393 | + | |
| 394 | + | } else if (state == ERR_PACKET_TOO_LONG) { |
| 395 | + | // the supplied packet was longer than 256 bytes |
| 396 | + | Serial.println(F("too long!")); |
| 397 | + | |
| 398 | + | } else if (state == ERR_TX_TIMEOUT) { |
| 399 | + | // timeout occured while transmitting packet |
| 400 | + | Serial.println(F("timeout!")); |
| 401 | + | |
| 402 | + | } else { |
| 403 | + | // some other error occurred |
| 404 | + | Serial.print(F("failed, code ")); |
| 405 | + | Serial.println(state); |
| 406 | + | |
| 407 | + | } |
| 408 | + | |
| 409 | + | rx_status = false; |
| 410 | + | } |
| 411 | + | else { |
| 412 | + | Serial.println("No argument"); |
| 413 | + | } |
| 414 | + | } |
| 415 | + | |
| 416 | + | void set_freq(){ |
| 417 | + | char *arg; |
| 418 | + | arg = SCmd.next(); |
| 419 | + | frequency = atof(arg); |
| 420 | + | if (arg != NULL){ |
| 421 | + | if(frequency > 902 && frequency < 923){ |
| 422 | + | |
| 423 | + | if (radio.setFrequency(frequency) == ERR_INVALID_FREQUENCY) { |
| 424 | + | Serial.println(F("Selected frequency is invalid for this module!")); |
| 425 | + | return; |
| 426 | + | } |
| 427 | + | |
| 428 | + | Serial.println("Frequency set to " + String(frequency) + " MHz"); |
| 429 | + | rx_status = false; |
| 430 | + | } |
| 431 | + | else{ |
| 432 | + | Serial.println("Error setting the frequency"); |
| 433 | + | Serial.println("Value must be between 902 MHz and 923 MHz"); |
| 434 | + | } |
| 435 | + | } |
| 436 | + | else { |
| 437 | + | Serial.println("No argument"); |
| 438 | + | } |
| 439 | + | } |
| 440 | + | |
| 441 | + | void set_chann(){ |
| 442 | + | char *arg; |
| 443 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 444 | + | channel = atoi(arg); |
| 445 | + | if (arg != NULL){ |
| 446 | + | if(channel > -1 && channel < 64){ |
| 447 | + | long freq = 902300000 + channel*125000; |
| 448 | + | frequency = (float)freq/1000000; |
| 449 | + | |
| 450 | + | //LoRa.setFrequency(freq); |
| 451 | + | if (radio.setFrequency(frequency) == ERR_INVALID_FREQUENCY) { |
| 452 | + | Serial.println(F("Selected frequency is invalid for this module!")); |
| 453 | + | return; |
| 454 | + | } |
| 455 | + | |
| 456 | + | Serial.println("Uplink channel set to " + String(channel)); |
| 457 | + | rx_status = false; |
| 458 | + | } |
| 459 | + | else if(channel > 63 && channel < 72){ |
| 460 | + | long freq = 903000000 + (channel - 64)*500000; |
| 461 | + | frequency = (float)freq/1000000; |
| 462 | + | |
| 463 | + | if (radio.setFrequency(frequency) == ERR_INVALID_FREQUENCY) { |
| 464 | + | Serial.println(F("Selected frequency is invalid for this module!")); |
| 465 | + | return; |
| 466 | + | } |
| 467 | + | |
| 468 | + | Serial.println("Downlink channel set to " + String(channel)); |
| 469 | + | rx_status = false; |
| 470 | + | } |
| 471 | + | else{ |
| 472 | + | Serial.println("Error setting the channel"); |
| 473 | + | Serial.println("Value must be between 0 and 63"); |
| 474 | + | } |
| 475 | + | } |
| 476 | + | else { |
| 477 | + | Serial.println("No argument"); |
| 478 | + | } |
| 479 | + | } |
| 480 | + | |
| 481 | + | |
| 482 | + | void set_sf(){ |
| 483 | + | char *arg; |
| 484 | + | arg = SCmd.next(); |
| 485 | + | if (arg != NULL){ |
| 486 | + | spreadFactor = atoi(arg); |
| 487 | + | if(spreadFactor < 6 || spreadFactor > 12){ |
| 488 | + | Serial.println("Error setting the Spreading factor"); |
| 489 | + | Serial.println("Value must be between 6 and 12"); |
| 490 | + | return; |
| 491 | + | } |
| 492 | + | else{ |
| 493 | + | |
| 494 | + | if (radio.setSpreadingFactor(spreadFactor) == ERR_INVALID_SPREADING_FACTOR) { |
| 495 | + | Serial.println(F("Selected spreading factor is invalid for this module!")); |
| 496 | + | return; |
| 497 | + | } |
| 498 | + | Serial.println("Spreading factor set to " + String(spreadFactor)); |
| 499 | + | rx_status = false; |
| 500 | + | } |
| 501 | + | |
| 502 | + | } |
| 503 | + | else { |
| 504 | + | Serial.println("No argument"); |
| 505 | + | } |
| 506 | + | } |
| 507 | + | |
| 508 | + | void set_cr(){ |
| 509 | + | char *arg; |
| 510 | + | arg = SCmd.next(); |
| 511 | + | if (arg != NULL){ |
| 512 | + | codingRate = atoi(arg); |
| 513 | + | if(codingRate > 8 || codingRate < 5){ |
| 514 | + | Serial.println("Error setting the Coding Rate"); |
| 515 | + | Serial.println("Value must be between 5 and 8"); |
| 516 | + | return; |
| 517 | + | } |
| 518 | + | else{ |
| 519 | + | |
| 520 | + | if (radio.setCodingRate(codingRate) == ERR_INVALID_CODING_RATE) { |
| 521 | + | Serial.println(F("Selected coding rate is invalid for this module!")); |
| 522 | + | return; |
| 523 | + | } |
| 524 | + | Serial.println("CodingRate set to 4/" + String(codingRate)); |
| 525 | + | rx_status = false; |
| 526 | + | } |
| 527 | + | |
| 528 | + | } |
| 529 | + | else { |
| 530 | + | Serial.println("No argument"); |
| 531 | + | } |
| 532 | + | } |
| 533 | + | |
| 534 | + | void set_bw(){ |
| 535 | + | char *arg; |
| 536 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 537 | + | int bwRefResp = bwReference; //save the previous data |
| 538 | + | bwReference = atoi(arg); |
| 539 | + | if (arg != NULL){ |
| 540 | + | switch (bwReference){ |
| 541 | + | case 0: |
| 542 | + | if (radio.setBandwidth(7.8) == ERR_INVALID_BANDWIDTH) { |
| 543 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 544 | + | return; |
| 545 | + | } |
| 546 | + | rx_status = false; |
| 547 | + | Serial.println("Bandwidth set to 7.8 kHz"); |
| 548 | + | break; |
| 549 | + | case 1: |
| 550 | + | if (radio.setBandwidth(10.4) == ERR_INVALID_BANDWIDTH) { |
| 551 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 552 | + | return; |
| 553 | + | } |
| 554 | + | rx_status = false; |
| 555 | + | Serial.println("Bandwidth set to 10.4 kHz"); |
| 556 | + | break; |
| 557 | + | case 2: |
| 558 | + | //LoRa.setSignalBandwidth(15.6E3); |
| 559 | + | if (radio.setBandwidth(15.6) == ERR_INVALID_BANDWIDTH) { |
| 560 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 561 | + | return; |
| 562 | + | } |
| 563 | + | rx_status = false; |
| 564 | + | Serial.println("Bandwidth set to 15.6 kHz"); |
| 565 | + | break; |
| 566 | + | case 3: |
| 567 | + | if (radio.setBandwidth(20.8) == ERR_INVALID_BANDWIDTH) { |
| 568 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 569 | + | return; |
| 570 | + | } |
| 571 | + | rx_status = false; |
| 572 | + | Serial.println("Bandwidth set to 20.8 kHz"); |
| 573 | + | break; |
| 574 | + | case 4: |
| 575 | + | if (radio.setBandwidth(31.25) == ERR_INVALID_BANDWIDTH) { |
| 576 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 577 | + | return; |
| 578 | + | } |
| 579 | + | rx_status = false; |
| 580 | + | Serial.println("Bandwidth set to 31.25 kHz"); |
| 581 | + | break; |
| 582 | + | case 5: |
| 583 | + | if (radio.setBandwidth(41.7) == ERR_INVALID_BANDWIDTH) { |
| 584 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 585 | + | return; |
| 586 | + | } |
| 587 | + | rx_status = false; |
| 588 | + | Serial.println("Bandwidth set to 41.7 kHz"); |
| 589 | + | break; |
| 590 | + | case 6: |
| 591 | + | if (radio.setBandwidth(62.5) == ERR_INVALID_BANDWIDTH) { |
| 592 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 593 | + | return; |
| 594 | + | } |
| 595 | + | rx_status = false; |
| 596 | + | Serial.println("Bandwidth set to 62.5 kHz"); |
| 597 | + | break; |
| 598 | + | case 7: |
| 599 | + | if (radio.setBandwidth(125) == ERR_INVALID_BANDWIDTH) { |
| 600 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 601 | + | return; |
| 602 | + | } |
| 603 | + | rx_status = false; |
| 604 | + | Serial.println("Bandwidth set to 125 kHz"); |
| 605 | + | break; |
| 606 | + | case 8: |
| 607 | + | if (radio.setBandwidth(250.0) == ERR_INVALID_BANDWIDTH) { |
| 608 | + | Serial.println(F("Selected bandwidth is invalid for this module!")); |
| 609 | + | return; |
| 610 | + | } |
| 611 | + | rx_status = false; |
| 612 | + | Serial.println("Bandwidth set to 250 kHz"); |
| 613 | + | break; |
| 614 | + | |
| 615 | + | default: |
| 616 | + | Serial.println("Error setting the bandwidth value must be between 0-8"); |
| 617 | + | bwReference = bwRefResp; //if there's no valid data restore previous value |
| 618 | + | break; |
| 619 | + | } |
| 620 | + | } |
| 621 | + | else { |
| 622 | + | Serial.println("No argument"); |
| 623 | + | } |
| 624 | + | } |
| 625 | + | |
| 626 | + | void set_op(){ |
| 627 | + | char *arg; |
| 628 | + | arg = SCmd.next(); |
| 629 | + | if (arg != NULL){ |
| 630 | + | outputPower = atoi(arg); |
| 631 | + | if(outputPower > -16 || outputPower < 23){ |
| 632 | + | Serial.println("Error setting the output power"); |
| 633 | + | Serial.println("Value must be between -17 and 22 dBm"); |
| 634 | + | return; |
| 635 | + | } |
| 636 | + | else{ |
| 637 | + | |
| 638 | + | if (radio.setOutputPower(outputPower) == ERR_INVALID_OUTPUT_POWER) { |
| 639 | + | Serial.println(F("Selected output power is invalid for this module!")); |
| 640 | + | return; |
| 641 | + | } |
| 642 | + | Serial.println("Output power set to " + String(outputPower)); |
| 643 | + | rx_status = false; |
| 644 | + | } |
| 645 | + | |
| 646 | + | } |
| 647 | + | else { |
| 648 | + | Serial.println("No argument"); |
| 649 | + | } |
| 650 | + | } |
| 651 | + | |
| 652 | + | byte nibble(char c) |
| 653 | + | { |
| 654 | + | if (c >= '0' && c <= '9') |
| 655 | + | return c - '0'; |
| 656 | + | |
| 657 | + | if (c >= 'a' && c <= 'f') |
| 658 | + | return c - 'a' + 10; |
| 659 | + | |
| 660 | + | if (c >= 'A' && c <= 'F') |
| 661 | + | return c - 'A' + 10; |
| 662 | + | |
| 663 | + | return 0; // Not a valid hexadecimal character |
| 664 | + | } |
| 665 | + | |
| 666 | + | void set_sw(){ |
| 667 | + | char *arg; |
| 668 | + | byte data; |
| 669 | + | int i; |
| 670 | + | |
| 671 | + | arg = SCmd.next(); // Get the next argument from the SerialCommand object buffer |
| 672 | + | if(arg != NULL){ |
| 673 | + | |
| 674 | + | if((arg[0] > 64 && arg[0]< 71 || arg[0] > 47 && arg[0]< 58) && (arg[1] > 64 && arg[1]< 71 || arg[1] > 47 && arg[1]< 58) && arg[2] == 0){ |
| 675 | + | |
| 676 | + | data = 0; |
| 677 | + | data = nibble(*(arg))<<4; |
| 678 | + | data = data|nibble(*(arg + 1)); |
| 679 | + | if (radio.setSyncWord(data) != ERR_NONE) { |
| 680 | + | Serial.println(F("Unable to set sync word!")); |
| 681 | + | return; |
| 682 | + | } |
| 683 | + | Serial.println("Sync word set to 0x" + String(data)); |
| 684 | + | } |
| 685 | + | else{ |
| 686 | + | Serial.println("Use yy value. The value yy represents any pair of hexadecimal digits. "); |
| 687 | + | return; |
| 688 | + | } |
| 689 | + | } |
| 690 | + | else { |
| 691 | + | Serial.println("No argument"); |
| 692 | + | } |
| 693 | + | } |
| 694 | + | |
| 695 | + | void set_pl(){ |
| 696 | + | char *arg; |
| 697 | + | arg = SCmd.next(); |
| 698 | + | if (arg != NULL){ |
| 699 | + | preambleLength = atoi(arg); |
| 700 | + | if(preambleLength > -1 || preambleLength < 65536){ |
| 701 | + | Serial.println("Error setting the preamble length"); |
| 702 | + | Serial.println("Value must be between 0 and 65535"); |
| 703 | + | return; |
| 704 | + | } |
| 705 | + | else{ |
| 706 | + | |
| 707 | + | if (radio.setPreambleLength(preambleLength) == ERR_INVALID_CODING_RATE) { |
| 708 | + | Serial.println(F("Selected preamble length is invalid for this module!")); |
| 709 | + | return; |
| 710 | + | } |
| 711 | + | |
| 712 | + | Serial.println("Preamble length set to " + String(preambleLength)); |
| 713 | + | rx_status = false; |
| 714 | + | } |
| 715 | + | |
| 716 | + | } |
| 717 | + | else { |
| 718 | + | Serial.println("No argument"); |
| 719 | + | } |
| 720 | + | } |
| 721 | + | |
| 722 | + | void set_rx(){ |
| 723 | + | char *arg; |
| 724 | + | arg = SCmd.next(); |
| 725 | + | if (arg != NULL){ |
| 726 | + | frequency = atof(arg); |
| 727 | + | if(frequency > 902 && frequency < 923){ |
| 728 | + | |
| 729 | + | if (radio.setFrequency(frequency) == ERR_INVALID_FREQUENCY) { |
| 730 | + | Serial.println(F("Selected frequency is invalid for this module!")); |
| 731 | + | return; |
| 732 | + | } |
| 733 | + | |
| 734 | + | Serial.println("LoRa radio receiving at " + String(frequency) + " MHz"); |
| 735 | + | |
| 736 | + | // start listening for LoRa packets |
| 737 | + | Serial.print(F("[SX1262] Starting to listen ... ")); |
| 738 | + | int state = radio.startReceive(); |
| 739 | + | if (state == ERR_NONE) { |
| 740 | + | Serial.println(F("success!")); |
| 741 | + | } else { |
| 742 | + | Serial.print(F("failed, code ")); |
| 743 | + | Serial.println(state); |
| 744 | + | while (true); |
| 745 | + | } |
| 746 | + | |
| 747 | + | rx_status = true; |
| 748 | + | } |
| 749 | + | else{ |
| 750 | + | Serial.println("Error setting the frequency"); |
| 751 | + | Serial.println("Value must be between 902 MHz and 923 MHz"); |
| 752 | + | } |
| 753 | + | } |
| 754 | + | else { |
| 755 | + | Serial.println("LoRa radio receiving at " + String(frequency) + " MHz"); |
| 756 | + | // start listening for LoRa packets |
| 757 | + | Serial.print(F("[SX1262] Starting to listen ... ")); |
| 758 | + | int state = radio.startReceive(); |
| 759 | + | if (state == ERR_NONE) { |
| 760 | + | Serial.println(F("success!")); |
| 761 | + | } else { |
| 762 | + | Serial.print(F("failed, code ")); |
| 763 | + | Serial.println(state); |
| 764 | + | while (true); |
| 765 | + | } |
| 766 | + | rx_status = true; |
| 767 | + | } |
| 768 | + | } |
| 769 | + | |
| 770 | + | /**********Get information**************/ |
| 771 | + | |
| 772 | + | void get_freq(){ |
| 773 | + | Serial.print("Frequency = "); |
| 774 | + | Serial.println(frequency); |
| 775 | + | } |
| 776 | + | |
| 777 | + | void get_sf(){ |
| 778 | + | Serial.print("Spreading factor = "); |
| 779 | + | Serial.println(spreadFactor); |
| 780 | + | } |
| 781 | + | |
| 782 | + | void get_cr(){ |
| 783 | + | Serial.print("Coding Rate = "); |
| 784 | + | Serial.println(codingRate); |
| 785 | + | } |
| 786 | + | |
| 787 | + | void get_sw(){ |
| 788 | + | Serial.print("Sync Word = 0x"); |
| 789 | + | Serial.println(syncWord, HEX); |
| 790 | + | } |
| 791 | + | |
| 792 | + | void get_pl(){ |
| 793 | + | Serial.print("Preamble Length = "); |
| 794 | + | Serial.println(preambleLength); |
| 795 | + | } |
| 796 | + | |
| 797 | + | void get_op(){ |
| 798 | + | Serial.print("Output Power = "); |
| 799 | + | Serial.println(outputPower); |
| 800 | + | } |
| 801 | + | |
| 802 | + | void get_bw(){ |
| 803 | + | Serial.println("Bandwidth = "); |
| 804 | + | switch (bwReference){ |
| 805 | + | case 0: |
| 806 | + | Serial.println("7.8 kHz"); |
| 807 | + | break; |
| 808 | + | case 1: |
| 809 | + | Serial.println("10.4 kHz"); |
| 810 | + | break; |
| 811 | + | case 2: |
| 812 | + | Serial.println("15.6 kHz"); |
| 813 | + | break; |
| 814 | + | case 3: |
| 815 | + | Serial.println("20.8 kHz"); |
| 816 | + | break; |
| 817 | + | case 4: |
| 818 | + | Serial.println("31.25 kHz"); |
| 819 | + | break; |
| 820 | + | case 5: |
| 821 | + | Serial.println("41.7 kHz"); |
| 822 | + | break; |
| 823 | + | case 6: |
| 824 | + | Serial.println("62.5 kHz"); |
| 825 | + | break; |
| 826 | + | case 7: |
| 827 | + | Serial.println("125 kHz"); |
| 828 | + | break; |
| 829 | + | case 8: |
| 830 | + | Serial.println("250 kHz"); |
| 831 | + | break; |
| 832 | + | default: |
| 833 | + | Serial.println("Error setting the bandwidth value must be between 0-8"); |
| 834 | + | break; |
| 835 | + | } |
| 836 | + | } |
| 837 | + | |
| 838 | + | void get_config(){ |
| 839 | + | Serial.println("\nRadio configurations: "); |
| 840 | + | Serial.println("Frequency = " + String(frequency) + " MHz"); |
| 841 | + | Serial.print("Bandwidth = "); |
| 842 | + | switch (bwReference){ |
| 843 | + | case 0: |
| 844 | + | Serial.println("7.8 kHz"); |
| 845 | + | break; |
| 846 | + | case 1: |
| 847 | + | Serial.println("10.4 kHz"); |
| 848 | + | break; |
| 849 | + | case 2: |
| 850 | + | Serial.println("15.6 kHz"); |
| 851 | + | break; |
| 852 | + | case 3: |
| 853 | + | Serial.println("20.8 kHz"); |
| 854 | + | break; |
| 855 | + | case 4: |
| 856 | + | Serial.println("31.25 kHz"); |
| 857 | + | break; |
| 858 | + | case 5: |
| 859 | + | Serial.println("41.7 kHz"); |
| 860 | + | break; |
| 861 | + | case 6: |
| 862 | + | Serial.println("62.5 kHz"); |
| 863 | + | break; |
| 864 | + | case 7: |
| 865 | + | Serial.println("125 kHz"); |
| 866 | + | break; |
| 867 | + | case 8: |
| 868 | + | Serial.println("250 kHz"); |
| 869 | + | break; |
| 870 | + | } |
| 871 | + | Serial.println("Spreading Factor = " + String(spreadFactor)); |
| 872 | + | Serial.println("Coding Rate = 4/" + String(codingRate)); |
| 873 | + | Serial.print("Sync Word = 0x"); |
| 874 | + | Serial.println(syncWord, HEX); |
| 875 | + | Serial.println("Preamble Length = " + String(preambleLength)); |
| 876 | + | Serial.println("Output Power = " + String(outputPower)); |
| 877 | + | Serial.println("Rx active = " + String(rx_status)); |
| 878 | + | } |
| 879 | + | |
| 880 | + | // This gets set as the default handler, and gets called when no other command matches. |
| 881 | + | void unrecognized(const char *command) { |
| 882 | + | Serial.println("Command not found, type help to get the valid commands"); |
| 883 | + | } |
| 884 | + | |