Line data Source code
1 : #include "LR11x0.h"
2 :
3 : #include <math.h>
4 : #include <string.h>
5 :
6 : #if !RADIOLIB_EXCLUDE_LR11X0
7 :
8 16 : LR11x0::LR11x0(Module* mod) : LRxxxx(mod) {
9 16 : this->freqStep = RADIOLIB_LR11X0_FREQUENCY_STEP_SIZE;
10 16 : this->maxPacketLength = RADIOLIB_LR11X0_MAX_PACKET_LENGTH;
11 16 : this->implicitLen = RADIOLIB_LR11X0_MAX_PACKET_LENGTH;
12 16 : this->irqMap[RADIOLIB_IRQ_TX_DONE] = RADIOLIB_LR11X0_IRQ_TX_DONE;
13 16 : this->irqMap[RADIOLIB_IRQ_RX_DONE] = RADIOLIB_LR11X0_IRQ_RX_DONE;
14 16 : this->irqMap[RADIOLIB_IRQ_PREAMBLE_DETECTED] = RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED;
15 16 : this->irqMap[RADIOLIB_IRQ_SYNC_WORD_VALID] = RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID;
16 16 : this->irqMap[RADIOLIB_IRQ_HEADER_VALID] = RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID;
17 16 : this->irqMap[RADIOLIB_IRQ_HEADER_ERR] = RADIOLIB_LR11X0_IRQ_HEADER_ERR;
18 16 : this->irqMap[RADIOLIB_IRQ_CRC_ERR] = RADIOLIB_LR11X0_IRQ_CRC_ERR;
19 16 : this->irqMap[RADIOLIB_IRQ_CAD_DONE] = RADIOLIB_LR11X0_IRQ_CAD_DONE;
20 16 : this->irqMap[RADIOLIB_IRQ_CAD_DETECTED] = RADIOLIB_LR11X0_IRQ_CAD_DETECTED;
21 16 : this->irqMap[RADIOLIB_IRQ_TIMEOUT] = RADIOLIB_LR11X0_IRQ_TIMEOUT;
22 16 : }
23 :
24 0 : int16_t LR11x0::begin(float bw, uint8_t sf, uint8_t cr, uint8_t syncWord, uint16_t preambleLength, bool high) {
25 : // set module properties and perform initial setup
26 0 : int16_t state = this->modSetup(RADIOLIB_LR11X0_PACKET_TYPE_LORA);
27 0 : RADIOLIB_ASSERT(state);
28 :
29 : // configure publicly accessible settings
30 0 : state = setBandwidth(bw, high);
31 0 : RADIOLIB_ASSERT(state);
32 :
33 0 : state = setSpreadingFactor(sf);
34 0 : RADIOLIB_ASSERT(state);
35 :
36 0 : state = setCodingRate(cr);
37 0 : RADIOLIB_ASSERT(state);
38 :
39 0 : state = setSyncWord(syncWord);
40 0 : RADIOLIB_ASSERT(state);
41 :
42 0 : state = setPreambleLength(preambleLength);
43 0 : RADIOLIB_ASSERT(state);
44 :
45 : // set publicly accessible settings that are not a part of begin method
46 0 : state = setCRC(2);
47 0 : RADIOLIB_ASSERT(state);
48 :
49 0 : state = invertIQ(false);
50 0 : RADIOLIB_ASSERT(state);
51 :
52 0 : state = setRegulatorLDO();
53 0 : RADIOLIB_ASSERT(state);
54 :
55 0 : return(RADIOLIB_ERR_NONE);
56 : }
57 :
58 0 : int16_t LR11x0::beginGFSK(float br, float freqDev, float rxBw, uint16_t preambleLength) {
59 : // set module properties and perform initial setup
60 0 : int16_t state = this->modSetup(RADIOLIB_LR11X0_PACKET_TYPE_GFSK);
61 0 : RADIOLIB_ASSERT(state);
62 :
63 : // configure publicly accessible settings
64 0 : state = setBitRate(br);
65 0 : RADIOLIB_ASSERT(state);
66 :
67 0 : state = setFrequencyDeviation(freqDev);
68 0 : RADIOLIB_ASSERT(state);
69 :
70 0 : state = setRxBandwidth(rxBw);
71 0 : RADIOLIB_ASSERT(state);
72 :
73 0 : state = setPreambleLength(preambleLength);
74 0 : RADIOLIB_ASSERT(state);
75 :
76 : // set publicly accessible settings that are not a part of begin method
77 0 : uint8_t sync[] = { 0x12, 0xAD };
78 0 : state = setSyncWord(sync, 2);
79 0 : RADIOLIB_ASSERT(state);
80 :
81 0 : state = setDataShaping(RADIOLIB_SHAPING_NONE);
82 0 : RADIOLIB_ASSERT(state);
83 :
84 0 : state = setEncoding(RADIOLIB_ENCODING_NRZ);
85 0 : RADIOLIB_ASSERT(state);
86 :
87 0 : state = variablePacketLengthMode(RADIOLIB_LR11X0_MAX_PACKET_LENGTH);
88 0 : RADIOLIB_ASSERT(state);
89 :
90 0 : state = setCRC(2);
91 0 : RADIOLIB_ASSERT(state);
92 :
93 0 : state = setRegulatorLDO();
94 0 : RADIOLIB_ASSERT(state);
95 :
96 0 : return(RADIOLIB_ERR_NONE);
97 : }
98 :
99 0 : int16_t LR11x0::beginLRFHSS(uint8_t bw, uint8_t cr, bool narrowGrid) {
100 : // set module properties and perform initial setup
101 0 : int16_t state = this->modSetup(RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS);
102 0 : RADIOLIB_ASSERT(state);
103 :
104 : // set grid spacing
105 0 : this->lrFhssGrid = narrowGrid ? RADIOLIB_LRXXXX_LR_FHSS_GRID_STEP_NON_FCC : RADIOLIB_LRXXXX_LR_FHSS_GRID_STEP_FCC;
106 :
107 : // configure publicly accessible settings
108 0 : state = setLrFhssConfig(bw, cr);
109 0 : RADIOLIB_ASSERT(state);
110 :
111 0 : uint8_t syncWord[] = { 0x12, 0xAD, 0x10, 0x1B };
112 0 : state = setSyncWord(syncWord, 4);
113 0 : RADIOLIB_ASSERT(state);
114 :
115 0 : state = setRegulatorLDO();
116 0 : RADIOLIB_ASSERT(state);
117 :
118 : // set fixed configuration
119 0 : return(setModulationParamsLrFhss(RADIOLIB_LRXXXX_LR_FHSS_BIT_RATE_RAW, RADIOLIB_LR11X0_LR_FHSS_SHAPING_GAUSSIAN_BT_1_0));
120 : }
121 :
122 0 : int16_t LR11x0::beginGNSS(uint8_t constellations) {
123 : // set module properties and perform initial setup - packet type does not matter
124 0 : int16_t state = this->modSetup(RADIOLIB_LR11X0_PACKET_TYPE_LORA);
125 0 : RADIOLIB_ASSERT(state);
126 :
127 0 : state = this->clearErrors();
128 0 : RADIOLIB_ASSERT(state);
129 :
130 : // set GNSS flag to reserve DIO11 for LF clock
131 0 : this->gnss = true;
132 0 : state = this->configLfClock(RADIOLIB_LR11X0_LF_BUSY_RELEASE_DISABLED | RADIOLIB_LR11X0_LF_CLK_XOSC);
133 0 : RADIOLIB_ASSERT(state);
134 :
135 0 : uint16_t errs = 0;
136 0 : state = this->getErrors(&errs);
137 0 : RADIOLIB_ASSERT(state);
138 0 : if(errs & 0x40) {
139 : RADIOLIB_DEBUG_BASIC_PRINTLN("LF_XOSC_START_ERR");
140 0 : return(RADIOLIB_ERR_SPI_CMD_FAILED);
141 : }
142 :
143 0 : state = this->gnssSetConstellationToUse(constellations);
144 0 : RADIOLIB_ASSERT(state);
145 :
146 0 : state = setRegulatorLDO();
147 0 : RADIOLIB_ASSERT(state);
148 :
149 0 : return(RADIOLIB_ERR_NONE);
150 : }
151 :
152 3 : int16_t LR11x0::transmit(const uint8_t* data, size_t len, uint8_t addr) {
153 : // set mode to standby
154 3 : int16_t state = standby();
155 3 : RADIOLIB_ASSERT(state);
156 :
157 : // check packet length
158 0 : if (this->codingRate > RADIOLIB_LR11X0_LORA_CR_4_8_SHORT) {
159 : // Long Interleaver needs at least 8 bytes
160 0 : if(len < 8) {
161 0 : return(RADIOLIB_ERR_PACKET_TOO_SHORT);
162 : }
163 :
164 : // Long Interleaver supports up to 253 bytes if CRC is enabled
165 0 : if (this->crcTypeLoRa == RADIOLIB_LRXXXX_LORA_CRC_ENABLED && (len > RADIOLIB_LR11X0_MAX_PACKET_LENGTH - 2)) {
166 0 : return(RADIOLIB_ERR_PACKET_TOO_LONG);
167 : }
168 : }
169 0 : if(len > RADIOLIB_LR11X0_MAX_PACKET_LENGTH) {
170 0 : return(RADIOLIB_ERR_PACKET_TOO_LONG);
171 : }
172 :
173 : // get currently active modem
174 0 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
175 0 : state = getPacketType(&modem);
176 0 : RADIOLIB_ASSERT(state);
177 0 : RadioLibTime_t timeout = getTimeOnAir(len);
178 0 : if(modem == RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
179 : // calculate timeout (150% of expected time-on-air)
180 0 : timeout = (timeout * 3) / 2;
181 :
182 0 : } else if((modem == RADIOLIB_LR11X0_PACKET_TYPE_GFSK) || (modem == RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS)) {
183 : // calculate timeout (500% of expected time-on-air)
184 0 : timeout = timeout * 5;
185 :
186 : } else {
187 0 : return(RADIOLIB_ERR_UNKNOWN);
188 : }
189 :
190 : RADIOLIB_DEBUG_BASIC_PRINTLN("Timeout in %lu us", timeout);
191 :
192 : // start transmission
193 0 : state = startTransmit(data, len, addr);
194 0 : RADIOLIB_ASSERT(state);
195 :
196 : // wait for packet transmission or timeout
197 0 : RadioLibTime_t start = this->mod->hal->micros();
198 0 : while(!this->mod->hal->digitalRead(this->mod->getIrq())) {
199 0 : this->mod->hal->yield();
200 0 : if(this->mod->hal->micros() - start > timeout) {
201 0 : finishTransmit();
202 0 : return(RADIOLIB_ERR_TX_TIMEOUT);
203 : }
204 : }
205 :
206 0 : return(finishTransmit());
207 : }
208 :
209 3 : int16_t LR11x0::receive(uint8_t* data, size_t len, RadioLibTime_t timeout) {
210 : // set mode to standby
211 3 : int16_t state = standby();
212 3 : RADIOLIB_ASSERT(state);
213 :
214 : // calculate timeout based on the configured modem
215 0 : RadioLibTime_t timeoutInternal = timeout;
216 0 : if(!timeoutInternal) {
217 : // get currently active modem
218 0 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
219 0 : state = getPacketType(&modem);
220 0 : RADIOLIB_ASSERT(state);
221 0 : if((modem == RADIOLIB_LR11X0_PACKET_TYPE_LORA) || (modem == RADIOLIB_LR11X0_PACKET_TYPE_GFSK)) {
222 : // calculate timeout (500 % of expected time-one-air)
223 0 : size_t maxLen = len;
224 0 : if(len == 0) { maxLen = RADIOLIB_LR11X0_MAX_PACKET_LENGTH; }
225 0 : timeoutInternal = (getTimeOnAir(maxLen) * 5) / 1000;
226 :
227 0 : } else if(modem == RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS) {
228 : // this modem cannot receive
229 0 : return(RADIOLIB_ERR_WRONG_MODEM);
230 :
231 : } else {
232 0 : return(RADIOLIB_ERR_UNKNOWN);
233 :
234 : }
235 : }
236 :
237 : RADIOLIB_DEBUG_BASIC_PRINTLN("Timeout in %lu ms", timeoutInternal);
238 :
239 : // start reception
240 0 : uint32_t timeoutValue = (uint32_t)(((float)timeoutInternal * 1000.0f) / 30.52f);
241 0 : state = startReceive(timeoutValue);
242 0 : RADIOLIB_ASSERT(state);
243 :
244 : // wait for packet reception or timeout
245 0 : bool softTimeout = false;
246 0 : RadioLibTime_t start = this->mod->hal->millis();
247 0 : while(!this->mod->hal->digitalRead(this->mod->getIrq())) {
248 0 : this->mod->hal->yield();
249 : // safety check, the timeout should be done by the radio
250 0 : if(this->mod->hal->millis() - start > timeoutInternal) {
251 0 : softTimeout = true;
252 0 : break;
253 : }
254 : }
255 :
256 : // if it was a timeout, this will return an error code
257 : // TODO taken from SX126x, does this really work?
258 0 : state = standby();
259 0 : if((state != RADIOLIB_ERR_NONE) && (state != RADIOLIB_ERR_SPI_CMD_TIMEOUT)) {
260 0 : return(state);
261 : }
262 :
263 : // check whether this was a timeout or not
264 0 : if(softTimeout || (getIrqFlags() & this->irqMap[RADIOLIB_IRQ_TIMEOUT])) {
265 0 : (void)finishReceive();
266 0 : return(RADIOLIB_ERR_RX_TIMEOUT);
267 : }
268 :
269 : // read the received data
270 0 : return(readData(data, len));
271 : }
272 :
273 3 : int16_t LR11x0::transmitDirect(uint32_t frf) {
274 : // set RF switch (if present)
275 3 : this->mod->setRfSwitchState(this->txMode);
276 :
277 : // user requested to start transmitting immediately (required for RTTY)
278 3 : int16_t state = RADIOLIB_ERR_NONE;
279 3 : if(frf != 0) {
280 0 : state = setRfFrequency(frf);
281 : }
282 3 : RADIOLIB_ASSERT(state);
283 :
284 : // start transmitting
285 3 : return(setTxCw());
286 : }
287 :
288 3 : int16_t LR11x0::receiveDirect() {
289 : // set RF switch (if present)
290 3 : this->mod->setRfSwitchState(Module::MODE_RX);
291 :
292 : // LR11x0 is unable to output received data directly
293 3 : return(RADIOLIB_ERR_UNKNOWN);
294 : }
295 :
296 3 : int16_t LR11x0::scanChannel() {
297 3 : ChannelScanConfig_t cfg = {
298 : .cad = {
299 : .symNum = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
300 : .detPeak = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
301 : .detMin = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
302 : .exitMode = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
303 : .timeout = 0,
304 : .irqFlags = RADIOLIB_IRQ_CAD_DEFAULT_FLAGS,
305 : .irqMask = RADIOLIB_IRQ_CAD_DEFAULT_MASK,
306 : },
307 : };
308 6 : return(this->scanChannel(cfg));
309 : }
310 :
311 6 : int16_t LR11x0::scanChannel(const ChannelScanConfig_t &config) {
312 : // set mode to CAD
313 6 : int state = startChannelScan(config);
314 6 : RADIOLIB_ASSERT(state);
315 :
316 : // wait for channel activity detected or timeout
317 0 : while(!this->mod->hal->digitalRead(this->mod->getIrq())) {
318 0 : this->mod->hal->yield();
319 : }
320 :
321 : // check CAD result
322 0 : return(getChannelScanResult());
323 : }
324 :
325 15 : int16_t LR11x0::standby() {
326 15 : return(LR11x0::standby(RADIOLIB_LR11X0_STANDBY_RC));
327 : }
328 :
329 18 : int16_t LR11x0::standby(uint8_t mode) {
330 18 : return(LR11x0::standby(mode, true));
331 : }
332 :
333 18 : int16_t LR11x0::standby(uint8_t mode, bool wakeup) {
334 : // set RF switch (if present)
335 18 : this->mod->setRfSwitchState(Module::MODE_IDLE);
336 :
337 18 : if(wakeup) {
338 : // send a NOP command - this pulls the NSS low to exit the sleep mode,
339 : // while preventing interference with possible other SPI transactions
340 18 : (void)this->mod->SPIwriteStream((uint16_t)RADIOLIB_LR11X0_CMD_NOP, NULL, 0, false, false);
341 : }
342 :
343 18 : uint8_t buff[] = { mode };
344 36 : return(this->SPIcommand(RADIOLIB_LR11X0_CMD_SET_STANDBY, true, buff, 1));
345 : }
346 :
347 3 : int16_t LR11x0::sleep() {
348 3 : return(LR11x0::sleep(true, 0));
349 : }
350 :
351 3 : int16_t LR11x0::sleep(bool retainConfig, uint32_t sleepTime) {
352 : // set RF switch (if present)
353 3 : this->mod->setRfSwitchState(Module::MODE_IDLE);
354 :
355 : uint8_t buff[] = {
356 3 : (uint8_t)retainConfig,
357 3 : (uint8_t)((sleepTime >> 24) & 0xFF), (uint8_t)((sleepTime >> 16) & 0xFF),
358 3 : (uint8_t)((sleepTime >> 16) & 0xFF), (uint8_t)(sleepTime & 0xFF),
359 3 : };
360 3 : if(sleepTime) {
361 0 : buff[0] |= RADIOLIB_LR11X0_SLEEP_WAKEUP_ENABLED;
362 : }
363 :
364 : // in sleep, the busy line will remain high, so we have to use this method to disable waiting for it to go low
365 3 : int16_t state = this->mod->SPIwriteStream(RADIOLIB_LR11X0_CMD_SET_SLEEP, buff, sizeof(buff), false, false);
366 :
367 : // wait for the module to safely enter sleep mode
368 3 : this->mod->hal->delay(1);
369 :
370 3 : return(state);
371 : }
372 :
373 3 : int16_t LR11x0::finishTransmit() {
374 : // clear interrupt flags
375 3 : clearIrqState(RADIOLIB_LR11X0_IRQ_ALL);
376 :
377 : // set mode to standby to disable transmitter/RF switch
378 3 : return(standby());
379 : }
380 :
381 3 : int16_t LR11x0::startReceive() {
382 3 : return(this->startReceive(RADIOLIB_LR11X0_RX_TIMEOUT_INF, RADIOLIB_IRQ_RX_DEFAULT_FLAGS, RADIOLIB_IRQ_RX_DEFAULT_MASK, 0));
383 : }
384 :
385 0 : int16_t LR11x0::startReceiveDutyCycle(uint32_t rxPeriod, uint32_t sleepPeriod, RadioLibIrqFlags_t irqFlags, RadioLibIrqFlags_t irqMask) {
386 : // datasheet claims time to go to sleep is ~500us, same to wake up, compensate for that with 1 ms + TCXO delay
387 0 : uint32_t transitionTime = this->tcxoDelay + 1000;
388 0 : sleepPeriod -= transitionTime;
389 :
390 : // divide by 30.517 microseconds (RTC period, 1/32.768 kHz)
391 0 : uint32_t rxPeriodRaw = (rxPeriod * 32768UL) / 1000000UL;
392 0 : uint32_t sleepPeriodRaw = (sleepPeriod * 32768UL) / 1000000UL;
393 :
394 : // check 24 bit limit and zero value (likely not intended)
395 0 : if((rxPeriodRaw & 0xFF000000) || (rxPeriodRaw == 0)) {
396 0 : return(RADIOLIB_ERR_INVALID_RX_PERIOD);
397 : }
398 :
399 : // this check of the high byte also catches underflow when we subtracted transitionTime
400 0 : if((sleepPeriodRaw & 0xFF000000) || (sleepPeriodRaw == 0)) {
401 0 : return(RADIOLIB_ERR_INVALID_SLEEP_PERIOD);
402 : }
403 :
404 : // set up Rx mode
405 0 : RadioModeConfig_t cfg = {
406 : .receive = {
407 : .timeout = RADIOLIB_LR11X0_RX_TIMEOUT_INF,
408 : .irqFlags = irqFlags,
409 : .irqMask = irqMask,
410 : .len = 0,
411 : }
412 0 : };
413 0 : int16_t state = this->stageMode(RADIOLIB_RADIO_MODE_RX, &cfg);
414 0 : RADIOLIB_ASSERT(state);
415 :
416 0 : return(this->setRxDutyCycle(rxPeriodRaw, sleepPeriodRaw, RADIOLIB_LR11X0_RX_DUTY_CYCLE_MODE_RX));
417 : }
418 :
419 0 : int16_t LR11x0::startReceiveDutyCycleAuto(uint16_t senderPreambleLength, uint16_t minSymbols, RadioLibIrqFlags_t irqFlags, RadioLibIrqFlags_t irqMask) {
420 : // calculate the sleep and wake periods
421 0 : uint32_t wakePeriod = 0;
422 0 : uint32_t sleepPeriod = 0;
423 : DataRate_t dr = {
424 : .lora = {
425 0 : .spreadingFactor = this->spreadingFactor,
426 0 : .bandwidth = this->bandwidthKhz,
427 0 : .codingRate = this->codingRate,
428 : }
429 0 : };
430 0 : int16_t state = calculateRxDutyCycle(senderPreambleLength, this->preambleLengthLoRa, minSymbols, &dr, &wakePeriod, &sleepPeriod);
431 0 : RADIOLIB_ASSERT(state);
432 :
433 : // If our sleep period is shorter than our transition time, just use the standard startReceive
434 0 : if(sleepPeriod < this->tcxoDelay + 1016) {
435 0 : return(startReceive(RADIOLIB_LR11X0_RX_TIMEOUT_INF, irqFlags, irqMask));
436 : }
437 :
438 0 : return(startReceiveDutyCycle(wakePeriod, sleepPeriod, irqFlags, irqMask));
439 : }
440 :
441 3 : int16_t LR11x0::readData(uint8_t* data, size_t len) {
442 : // check active modem
443 3 : int16_t state = RADIOLIB_ERR_NONE;
444 3 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
445 3 : state = getPacketType(&modem);
446 3 : RADIOLIB_ASSERT(state);
447 0 : if((modem != RADIOLIB_LR11X0_PACKET_TYPE_LORA) &&
448 0 : (modem != RADIOLIB_LR11X0_PACKET_TYPE_GFSK)) {
449 0 : return(RADIOLIB_ERR_WRONG_MODEM);
450 : }
451 :
452 : // check integrity CRC
453 0 : uint32_t irq = getIrqStatus();
454 0 : int16_t crcState = RADIOLIB_ERR_NONE;
455 : // Report CRC mismatch when there's a payload CRC error, or a header error and no valid header (to avoid false alarm from previous packet)
456 0 : if((irq & RADIOLIB_LR11X0_IRQ_CRC_ERR) || ((irq & RADIOLIB_LR11X0_IRQ_HEADER_ERR) && !(irq & RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID))) {
457 0 : crcState = RADIOLIB_ERR_CRC_MISMATCH;
458 : }
459 :
460 : // get packet length
461 : // the offset is needed since LR11x0 seems to move the buffer base by 4 bytes on every packet
462 0 : uint8_t offset = 0;
463 0 : size_t length = getPacketLength(true, &offset);
464 0 : if((len != 0) && (len < length)) {
465 : // user requested less data than we got, only return what was requested
466 0 : length = len;
467 : }
468 :
469 : // read packet data
470 0 : state = readBuffer8(data, length, offset);
471 0 : RADIOLIB_ASSERT(state);
472 :
473 : // clear the Rx buffer
474 0 : state = clearRxBuffer();
475 0 : RADIOLIB_ASSERT(state);
476 :
477 : // clear interrupt flags
478 0 : state = clearIrqState(RADIOLIB_LR11X0_IRQ_ALL);
479 :
480 : // check if CRC failed - this is done after reading data to give user the option to keep them
481 0 : RADIOLIB_ASSERT(crcState);
482 :
483 0 : return(state);
484 : }
485 :
486 3 : int16_t LR11x0::finishReceive() {
487 : // set mode to standby to disable RF switch
488 3 : int16_t state = standby();
489 3 : RADIOLIB_ASSERT(state);
490 :
491 : // clear interrupt flags
492 0 : return(clearIrqState(RADIOLIB_LR11X0_IRQ_ALL));
493 : }
494 :
495 3 : int16_t LR11x0::startChannelScan() {
496 3 : ChannelScanConfig_t cfg = {
497 : .cad = {
498 : .symNum = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
499 : .detPeak = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
500 : .detMin = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
501 : .exitMode = RADIOLIB_LR11X0_CAD_PARAM_DEFAULT,
502 : .timeout = 0,
503 : .irqFlags = RADIOLIB_IRQ_CAD_DEFAULT_FLAGS,
504 : .irqMask = RADIOLIB_IRQ_CAD_DEFAULT_MASK,
505 : },
506 : };
507 6 : return(this->startChannelScan(cfg));
508 : }
509 :
510 12 : int16_t LR11x0::startChannelScan(const ChannelScanConfig_t &cfg) {
511 : // check active modem
512 12 : int16_t state = RADIOLIB_ERR_NONE;
513 12 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
514 12 : state = getPacketType(&modem);
515 12 : RADIOLIB_ASSERT(state);
516 0 : if(modem != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
517 0 : return(RADIOLIB_ERR_WRONG_MODEM);
518 : }
519 :
520 : // set mode to standby
521 0 : state = standby();
522 0 : RADIOLIB_ASSERT(state);
523 :
524 : // set RF switch (if present)
525 0 : this->mod->setRfSwitchState(Module::MODE_RX);
526 :
527 : // set DIO pin mapping
528 0 : uint16_t irqFlags = (cfg.cad.irqFlags == RADIOLIB_IRQ_NOT_SUPPORTED) ? RADIOLIB_LR11X0_IRQ_CAD_DETECTED | RADIOLIB_LR11X0_IRQ_CAD_DONE : cfg.cad.irqFlags;
529 0 : state = setDioIrqParams(getIrqMapped(irqFlags), getIrqMapped(irqFlags));
530 0 : RADIOLIB_ASSERT(state);
531 :
532 : // clear interrupt flags
533 0 : state = clearIrqState(RADIOLIB_LR11X0_IRQ_ALL);
534 0 : RADIOLIB_ASSERT(state);
535 :
536 : // set mode to CAD
537 0 : return(startCad(cfg.cad.symNum, cfg.cad.detPeak, cfg.cad.detMin, cfg.cad.exitMode, cfg.cad.timeout));
538 : }
539 :
540 3 : int16_t LR11x0::getChannelScanResult() {
541 : // check active modem
542 3 : int16_t state = RADIOLIB_ERR_NONE;
543 3 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
544 3 : state = getPacketType(&modem);
545 3 : RADIOLIB_ASSERT(state);
546 0 : if(modem != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
547 0 : return(RADIOLIB_ERR_WRONG_MODEM);
548 : }
549 :
550 : // check CAD result
551 0 : uint32_t cadResult = getIrqStatus();
552 0 : if(cadResult & RADIOLIB_LR11X0_IRQ_CAD_DETECTED) {
553 : // detected some LoRa activity
554 0 : return(RADIOLIB_LORA_DETECTED);
555 0 : } else if(cadResult & RADIOLIB_LR11X0_IRQ_CAD_DONE) {
556 : // channel is free
557 0 : return(RADIOLIB_CHANNEL_FREE);
558 : }
559 :
560 0 : return(RADIOLIB_ERR_UNKNOWN);
561 : }
562 :
563 0 : int16_t LR11x0::setBandwidth(float bw, bool high) {
564 : // check active modem
565 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
566 0 : int16_t state = getPacketType(&type);
567 0 : RADIOLIB_ASSERT(state);
568 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
569 0 : return(RADIOLIB_ERR_WRONG_MODEM);
570 : }
571 :
572 : // ensure byte conversion doesn't overflow
573 0 : if (high) {
574 0 : RADIOLIB_CHECK_RANGE(bw, 203.125f, 815.0f, RADIOLIB_ERR_INVALID_BANDWIDTH);
575 :
576 0 : if(fabsf(bw - 203.125f) <= 0.001f) {
577 0 : this->bandwidth = RADIOLIB_LR11X0_LORA_BW_203_125;
578 0 : } else if(fabsf(bw - 406.25f) <= 0.001f) {
579 0 : this->bandwidth = RADIOLIB_LR11X0_LORA_BW_406_25;
580 0 : } else if(fabsf(bw - 812.5f) <= 0.001f) {
581 0 : this->bandwidth = RADIOLIB_LR11X0_LORA_BW_812_50;
582 : } else {
583 0 : return(RADIOLIB_ERR_INVALID_BANDWIDTH);
584 : }
585 : } else {
586 0 : RADIOLIB_CHECK_RANGE(bw, 0.0f, 510.0f, RADIOLIB_ERR_INVALID_BANDWIDTH);
587 :
588 : // check allowed bandwidth values
589 0 : uint8_t bw_div2 = bw / 2 + 0.01f;
590 0 : switch (bw_div2) {
591 0 : case 31: // 62.5:
592 0 : this->bandwidth = RADIOLIB_LR11X0_LORA_BW_62_5;
593 0 : break;
594 0 : case 62: // 125.0:
595 0 : this->bandwidth = RADIOLIB_LR11X0_LORA_BW_125_0;
596 0 : break;
597 0 : case 125: // 250.0
598 0 : this->bandwidth = RADIOLIB_LR11X0_LORA_BW_250_0;
599 0 : break;
600 0 : case 250: // 500.0
601 0 : this->bandwidth = RADIOLIB_LR11X0_LORA_BW_500_0;
602 0 : break;
603 0 : default:
604 0 : return(RADIOLIB_ERR_INVALID_BANDWIDTH);
605 : }
606 : }
607 :
608 : // update modulation parameters
609 0 : this->bandwidthKhz = bw;
610 0 : return(setModulationParamsLoRa(this->spreadingFactor, this->bandwidth, this->codingRate, this->ldrOptimize));
611 : }
612 :
613 0 : int16_t LR11x0::setSpreadingFactor(uint8_t sf, bool legacy) {
614 : // check active modem
615 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
616 0 : int16_t state = getPacketType(&type);
617 0 : RADIOLIB_ASSERT(state);
618 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
619 0 : return(RADIOLIB_ERR_WRONG_MODEM);
620 : }
621 :
622 0 : RADIOLIB_CHECK_RANGE(sf, 5, 12, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
623 :
624 0 : if(legacy && (sf == 6)) {
625 : // Enable LR1121 SF6 compatibility with SX127x family
626 : // Register 0xF20414: bit18 = 1, bit23 = 0
627 0 : state = this->writeRegMemMask32(RADIOLIB_LR11X0_REG_SF6_SX127X_COMPAT, (0x1UL << 18) | (0x1UL << 23), RADIOLIB_LR11X0_SF6_SX127X);
628 0 : RADIOLIB_ASSERT(state);
629 : }
630 :
631 : // update modulation parameters
632 0 : this->spreadingFactor = sf;
633 0 : return(setModulationParamsLoRa(this->spreadingFactor, this->bandwidth, this->codingRate, this->ldrOptimize));
634 : }
635 :
636 0 : int16_t LR11x0::setCodingRate(uint8_t cr, bool longInterleave) {
637 : // check active modem
638 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
639 0 : int16_t state = getPacketType(&type);
640 0 : RADIOLIB_ASSERT(state);
641 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
642 0 : return(RADIOLIB_ERR_WRONG_MODEM);
643 : }
644 :
645 0 : RADIOLIB_CHECK_RANGE(cr, 4, 8, RADIOLIB_ERR_INVALID_CODING_RATE);
646 :
647 0 : if(longInterleave) {
648 0 : switch(cr) {
649 0 : case 4:
650 0 : this->codingRate = 0;
651 0 : break;
652 0 : case 5:
653 : case 6:
654 0 : this->codingRate = cr;
655 0 : break;
656 0 : case 8:
657 0 : this->codingRate = cr - 1;
658 0 : break;
659 0 : default:
660 0 : return(RADIOLIB_ERR_INVALID_CODING_RATE);
661 : }
662 :
663 : } else {
664 0 : this->codingRate = cr - 4;
665 :
666 : }
667 :
668 : // update modulation parameters
669 0 : return(setModulationParamsLoRa(this->spreadingFactor, this->bandwidth, this->codingRate, this->ldrOptimize));
670 : }
671 :
672 0 : int16_t LR11x0::setSyncWord(uint8_t syncWord) {
673 : // check active modem
674 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
675 0 : int16_t state = getPacketType(&type);
676 0 : RADIOLIB_ASSERT(state);
677 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
678 0 : return(RADIOLIB_ERR_WRONG_MODEM);
679 : }
680 :
681 0 : return(setLoRaSyncWord(syncWord));
682 : }
683 :
684 3 : int16_t LR11x0::setBitRate(float br) {
685 3 : RADIOLIB_CHECK_RANGE(br, 0.6f, 300.0f, RADIOLIB_ERR_INVALID_BIT_RATE);
686 :
687 : // check active modem
688 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
689 0 : int16_t state = getPacketType(&type);
690 0 : RADIOLIB_ASSERT(state);
691 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
692 0 : return(RADIOLIB_ERR_WRONG_MODEM);
693 : }
694 :
695 : // set bit rate value
696 : // TODO implement fractional bit rate configuration
697 0 : this->bitRate = br * 1000.0f;
698 0 : state = setModulationParamsGFSK(this->bitRate, this->pulseShape, this->rxBandwidth, this->frequencyDev);
699 0 : RADIOLIB_ASSERT(state);
700 :
701 : // apply workaround
702 0 : return(workaroundGFSK());
703 : }
704 :
705 3 : int16_t LR11x0::setFrequencyDeviation(float freqDev) {
706 : // check active modem
707 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
708 3 : int16_t state = getPacketType(&type);
709 3 : RADIOLIB_ASSERT(state);
710 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
711 0 : return(RADIOLIB_ERR_WRONG_MODEM);
712 : }
713 :
714 : // set frequency deviation to lowest available setting (required for digimodes)
715 0 : float newFreqDev = freqDev;
716 0 : if(freqDev < 0.0f) {
717 0 : newFreqDev = 0.6f;
718 : }
719 :
720 0 : RADIOLIB_CHECK_RANGE(newFreqDev, 0.6f, 200.0f, RADIOLIB_ERR_INVALID_FREQUENCY_DEVIATION);
721 0 : this->frequencyDev = newFreqDev * 1000.0f;
722 0 : state = setModulationParamsGFSK(this->bitRate, this->pulseShape, this->rxBandwidth, this->frequencyDev);
723 0 : RADIOLIB_ASSERT(state);
724 :
725 : // apply workaround
726 0 : return(workaroundGFSK());
727 : }
728 :
729 0 : int16_t LR11x0::setRxBandwidth(float rxBw) {
730 : // check active modem
731 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
732 0 : int16_t state = getPacketType(&type);
733 0 : RADIOLIB_ASSERT(state);
734 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
735 0 : return(RADIOLIB_ERR_WRONG_MODEM);
736 : }
737 :
738 : // check modulation parameters
739 : /*if(2 * this->frequencyDev + this->bitRate > rxBw * 1000.0) {
740 : return(RADIOLIB_ERR_INVALID_MODULATION_PARAMETERS);
741 : }*/
742 :
743 0 : const uint8_t rxBwLut[] = {
744 : RADIOLIB_LR11X0_GFSK_RX_BW_4_8,
745 : RADIOLIB_LR11X0_GFSK_RX_BW_5_8,
746 : RADIOLIB_LR11X0_GFSK_RX_BW_7_3,
747 : RADIOLIB_LR11X0_GFSK_RX_BW_9_7,
748 : RADIOLIB_LR11X0_GFSK_RX_BW_11_7,
749 : RADIOLIB_LR11X0_GFSK_RX_BW_14_6,
750 : RADIOLIB_LR11X0_GFSK_RX_BW_19_5,
751 : RADIOLIB_LR11X0_GFSK_RX_BW_23_4,
752 : RADIOLIB_LR11X0_GFSK_RX_BW_29_3,
753 : RADIOLIB_LR11X0_GFSK_RX_BW_39_0,
754 : RADIOLIB_LR11X0_GFSK_RX_BW_46_9,
755 : RADIOLIB_LR11X0_GFSK_RX_BW_58_6,
756 : RADIOLIB_LR11X0_GFSK_RX_BW_78_2,
757 : RADIOLIB_LR11X0_GFSK_RX_BW_93_8,
758 : RADIOLIB_LR11X0_GFSK_RX_BW_117_3,
759 : RADIOLIB_LR11X0_GFSK_RX_BW_156_2,
760 : RADIOLIB_LR11X0_GFSK_RX_BW_187_2,
761 : RADIOLIB_LR11X0_GFSK_RX_BW_234_3,
762 : RADIOLIB_LR11X0_GFSK_RX_BW_312_0,
763 : RADIOLIB_LR11X0_GFSK_RX_BW_373_6,
764 : RADIOLIB_LR11X0_GFSK_RX_BW_467_0,
765 : };
766 :
767 0 : state = findRxBw(rxBw, rxBwLut, sizeof(rxBwLut)/sizeof(rxBwLut[0]), 467.0f, &this->rxBandwidth);
768 0 : RADIOLIB_ASSERT(state);
769 :
770 : // update modulation parameters
771 0 : state = setModulationParamsGFSK(this->bitRate, this->pulseShape, this->rxBandwidth, this->frequencyDev);
772 0 : RADIOLIB_ASSERT(state);
773 :
774 : // apply workaround
775 0 : return(workaroundGFSK());
776 : }
777 :
778 3 : int16_t LR11x0::setSyncWord(uint8_t* syncWord, size_t len) {
779 3 : if((!syncWord) || (!len) || (len > RADIOLIB_LR11X0_GFSK_SYNC_WORD_LEN)) {
780 0 : return(RADIOLIB_ERR_INVALID_SYNC_WORD);
781 : }
782 :
783 : // check active modem
784 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
785 3 : int16_t state = getPacketType(&type);
786 3 : RADIOLIB_ASSERT(state);
787 0 : if(type == RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
788 : // update sync word length
789 0 : this->syncWordLength = len*8;
790 0 : state = setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType,
791 0 : (this->packetType == RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED) ? this->implicitLen : RADIOLIB_LR11X0_MAX_PACKET_LENGTH, this->crcTypeGFSK, this->whitening);
792 0 : RADIOLIB_ASSERT(state);
793 :
794 : // sync word is passed most-significant byte first
795 0 : uint8_t fullSyncWord[RADIOLIB_LR11X0_GFSK_SYNC_WORD_LEN] = { 0 };
796 0 : memcpy(fullSyncWord, syncWord, len);
797 0 : return(setGfskSyncWord(fullSyncWord));
798 :
799 0 : } else if(type == RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
800 : // with length set to 1 and LoRa modem active, assume it is the LoRa sync word
801 0 : if(len > 1) {
802 0 : return(RADIOLIB_ERR_INVALID_SYNC_WORD);
803 : }
804 0 : return(setSyncWord(syncWord[0]));
805 :
806 0 : } else if(type == RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS) {
807 : // with length set to 4 and LR-FHSS modem active, assume it is the LR-FHSS sync word
808 0 : if(len != sizeof(uint32_t)) {
809 0 : return(RADIOLIB_ERR_INVALID_SYNC_WORD);
810 : }
811 0 : uint32_t sync = 0;
812 0 : memcpy(&sync, syncWord, sizeof(uint32_t));
813 0 : return(lrFhssSetSyncWord(sync));
814 :
815 : }
816 :
817 0 : return(RADIOLIB_ERR_WRONG_MODEM);
818 : }
819 :
820 0 : int16_t LR11x0::setNodeAddress(uint8_t nodeAddr) {
821 : // check active modem
822 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
823 0 : int16_t state = getPacketType(&type);
824 0 : RADIOLIB_ASSERT(state);
825 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
826 0 : return(RADIOLIB_ERR_WRONG_MODEM);
827 : }
828 :
829 : // enable address filtering (node only)
830 0 : this->addrComp = RADIOLIB_LR11X0_GFSK_ADDR_FILTER_NODE;
831 0 : state = setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType,
832 0 : (this->packetType == RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED) ? this->implicitLen : RADIOLIB_LR11X0_MAX_PACKET_LENGTH, this->crcTypeGFSK, this->whitening);
833 0 : RADIOLIB_ASSERT(state);
834 :
835 : // set node address
836 0 : this->node = nodeAddr;
837 0 : return(setPacketAdrs(this->node, 0));
838 : }
839 :
840 0 : int16_t LR11x0::setBroadcastAddress(uint8_t broadAddr) {
841 : // check active modem
842 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
843 0 : int16_t state = getPacketType(&type);
844 0 : RADIOLIB_ASSERT(state);
845 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
846 0 : return(RADIOLIB_ERR_WRONG_MODEM);
847 : }
848 :
849 : // enable address filtering (node and broadcast)
850 0 : this->addrComp = RADIOLIB_LR11X0_GFSK_ADDR_FILTER_NODE_BROADCAST;
851 0 : state = setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType,
852 0 : (this->packetType == RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED) ? this->implicitLen : RADIOLIB_LR11X0_MAX_PACKET_LENGTH, this->crcTypeGFSK, this->whitening);
853 0 : RADIOLIB_ASSERT(state);
854 :
855 : // set node and broadcast address
856 0 : return(setPacketAdrs(this->node, broadAddr));
857 : }
858 :
859 0 : int16_t LR11x0::disableAddressFiltering() {
860 : // check active modem
861 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
862 0 : int16_t state = getPacketType(&type);
863 0 : RADIOLIB_ASSERT(state);
864 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
865 0 : return(RADIOLIB_ERR_WRONG_MODEM);
866 : }
867 :
868 : // disable address filtering
869 0 : this->addrComp = RADIOLIB_LR11X0_GFSK_ADDR_FILTER_DISABLED;
870 0 : return(setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType,
871 0 : (this->packetType == RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED) ? this->implicitLen : RADIOLIB_LR11X0_MAX_PACKET_LENGTH, this->crcTypeGFSK, this->whitening));
872 : }
873 :
874 3 : int16_t LR11x0::setDataShaping(uint8_t sh) {
875 : // check active modem
876 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
877 3 : int16_t state = getPacketType(&type);
878 3 : RADIOLIB_ASSERT(state);
879 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
880 0 : return(RADIOLIB_ERR_WRONG_MODEM);
881 : }
882 :
883 : // set data shaping
884 0 : switch(sh) {
885 0 : case RADIOLIB_SHAPING_NONE:
886 0 : this->pulseShape = RADIOLIB_LR11X0_GFSK_SHAPING_NONE;
887 0 : break;
888 0 : case RADIOLIB_SHAPING_0_3:
889 0 : this->pulseShape = RADIOLIB_LR11X0_GFSK_SHAPING_GAUSSIAN_BT_0_3;
890 0 : break;
891 0 : case RADIOLIB_SHAPING_0_5:
892 0 : this->pulseShape = RADIOLIB_LR11X0_GFSK_SHAPING_GAUSSIAN_BT_0_5;
893 0 : break;
894 0 : case RADIOLIB_SHAPING_0_7:
895 0 : this->pulseShape = RADIOLIB_LR11X0_GFSK_SHAPING_GAUSSIAN_BT_0_7;
896 0 : break;
897 0 : case RADIOLIB_SHAPING_1_0:
898 0 : this->pulseShape = RADIOLIB_LR11X0_GFSK_SHAPING_GAUSSIAN_BT_1_0;
899 0 : break;
900 0 : default:
901 0 : return(RADIOLIB_ERR_INVALID_DATA_SHAPING);
902 : }
903 :
904 : // update modulation parameters
905 0 : return(setModulationParamsGFSK(this->bitRate, this->pulseShape, this->rxBandwidth, this->frequencyDev));
906 : }
907 :
908 3 : int16_t LR11x0::setEncoding(uint8_t encoding) {
909 3 : return(setWhitening(encoding));
910 : }
911 :
912 0 : int16_t LR11x0::fixedPacketLengthMode(uint8_t len) {
913 0 : return(setPacketMode(RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED, len));
914 : }
915 :
916 0 : int16_t LR11x0::variablePacketLengthMode(uint8_t maxLen) {
917 0 : return(setPacketMode(RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_VARIABLE, maxLen));
918 : }
919 :
920 3 : int16_t LR11x0::setWhitening(bool enabled, uint16_t initial) {
921 : // check active modem
922 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
923 3 : int16_t state = getPacketType(&type);
924 3 : RADIOLIB_ASSERT(state);
925 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
926 0 : return(RADIOLIB_ERR_WRONG_MODEM);
927 : }
928 :
929 0 : if(!enabled) {
930 : // disable whitening
931 0 : this->whitening = RADIOLIB_LR11X0_GFSK_WHITENING_DISABLED;
932 :
933 : } else {
934 : // enable whitening
935 0 : this->whitening = RADIOLIB_LR11X0_GFSK_WHITENING_ENABLED;
936 :
937 : // write initial whitening value
938 0 : state = setGfskWhitParams(initial);
939 0 : RADIOLIB_ASSERT(state);
940 : }
941 :
942 0 : return(setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType,
943 0 : (this->packetType == RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED) ? this->implicitLen : RADIOLIB_LR11X0_MAX_PACKET_LENGTH, this->crcTypeGFSK, this->whitening));
944 : }
945 :
946 3 : int16_t LR11x0::setDataRate(DataRate_t dr, ModemType_t modem) {
947 : // get the current modem
948 : ModemType_t currentModem;
949 3 : int16_t state = this->getModem(¤tModem);
950 3 : RADIOLIB_ASSERT(state);
951 :
952 : // switch over if the requested modem is different
953 0 : if(modem != RADIOLIB_MODEM_NONE && modem != currentModem) {
954 0 : state = this->standby();
955 0 : RADIOLIB_ASSERT(state);
956 0 : state = this->setModem(modem);
957 0 : RADIOLIB_ASSERT(state);
958 : }
959 :
960 0 : if(modem == RADIOLIB_MODEM_NONE) {
961 0 : modem = currentModem;
962 : }
963 :
964 : // select interpretation based on modem
965 0 : if(modem == RADIOLIB_MODEM_FSK) {
966 : // set the bit rate
967 0 : state = this->setBitRate(dr.fsk.bitRate);
968 0 : RADIOLIB_ASSERT(state);
969 :
970 : // set the frequency deviation
971 0 : state = this->setFrequencyDeviation(dr.fsk.freqDev);
972 :
973 0 : } else if(modem == RADIOLIB_MODEM_LORA) {
974 : // set the spreading factor
975 0 : state = this->setSpreadingFactor(dr.lora.spreadingFactor);
976 0 : RADIOLIB_ASSERT(state);
977 :
978 : // set the bandwidth
979 0 : state = this->setBandwidth(dr.lora.bandwidth);
980 0 : RADIOLIB_ASSERT(state);
981 :
982 : // set the coding rate
983 0 : state = this->setCodingRate(dr.lora.codingRate);
984 :
985 0 : } else if(modem == RADIOLIB_MODEM_LRFHSS) {
986 : // set the basic config
987 0 : state = this->setLrFhssConfig(dr.lrFhss.bw, dr.lrFhss.cr);
988 0 : RADIOLIB_ASSERT(state);
989 :
990 : // set hopping grid
991 0 : this->lrFhssGrid = dr.lrFhss.narrowGrid ? RADIOLIB_LRXXXX_LR_FHSS_GRID_STEP_NON_FCC : RADIOLIB_LRXXXX_LR_FHSS_GRID_STEP_FCC;
992 :
993 : }
994 :
995 0 : return(state);
996 : }
997 :
998 3 : int16_t LR11x0::checkDataRate(DataRate_t dr, ModemType_t modem) {
999 3 : int16_t state = RADIOLIB_ERR_UNKNOWN;
1000 :
1001 : // retrieve modem if not supplied
1002 3 : if(modem == RADIOLIB_MODEM_NONE) {
1003 3 : state = this->getModem(&modem);
1004 3 : RADIOLIB_ASSERT(state);
1005 : }
1006 :
1007 : // select interpretation based on modem
1008 0 : if(modem == RADIOLIB_MODEM_FSK) {
1009 0 : RADIOLIB_CHECK_RANGE(dr.fsk.bitRate, 0.6f, 300.0f, RADIOLIB_ERR_INVALID_BIT_RATE);
1010 0 : RADIOLIB_CHECK_RANGE(dr.fsk.freqDev, 0.6f, 200.0f, RADIOLIB_ERR_INVALID_FREQUENCY_DEVIATION);
1011 0 : return(RADIOLIB_ERR_NONE);
1012 :
1013 0 : } else if(modem == RADIOLIB_MODEM_LORA) {
1014 0 : RADIOLIB_CHECK_RANGE(dr.lora.spreadingFactor, 5, 12, RADIOLIB_ERR_INVALID_SPREADING_FACTOR);
1015 0 : RADIOLIB_CHECK_RANGE(dr.lora.bandwidth, 0.0f, 510.0f, RADIOLIB_ERR_INVALID_BANDWIDTH);
1016 0 : RADIOLIB_CHECK_RANGE(dr.lora.codingRate, 4, 8, RADIOLIB_ERR_INVALID_CODING_RATE);
1017 0 : return(RADIOLIB_ERR_NONE);
1018 :
1019 : }
1020 :
1021 0 : return(state);
1022 : }
1023 :
1024 3 : int16_t LR11x0::setPreambleLength(size_t preambleLength) {
1025 : // check active modem
1026 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1027 3 : int16_t state = getPacketType(&type);
1028 3 : RADIOLIB_ASSERT(state);
1029 0 : if(type == RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1030 0 : this->preambleLengthLoRa = preambleLength;
1031 0 : return(setPacketParamsLoRa(this->preambleLengthLoRa, this->headerType, this->implicitLen, this->crcTypeLoRa, (uint8_t)this->invertIQEnabled));
1032 0 : } else if(type == RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
1033 0 : this->preambleLengthGFSK = preambleLength;
1034 : //! \TODO: [LR11x0] this can probably be simplified with a simple calculation
1035 0 : this->preambleDetLength = preambleLength >= 32 ? RADIOLIB_LR11X0_GFSK_PREAMBLE_DETECT_32_BITS :
1036 : preambleLength >= 24 ? RADIOLIB_LR11X0_GFSK_PREAMBLE_DETECT_24_BITS :
1037 : preambleLength >= 16 ? RADIOLIB_LR11X0_GFSK_PREAMBLE_DETECT_16_BITS :
1038 : preambleLength > 0 ? RADIOLIB_LR11X0_GFSK_PREAMBLE_DETECT_8_BITS :
1039 : RADIOLIB_LR11X0_GFSK_PREAMBLE_DETECT_DISABLED;
1040 0 : return(setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType,
1041 0 : (this->packetType == RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED) ? this->implicitLen : RADIOLIB_LR11X0_MAX_PACKET_LENGTH, this->crcTypeGFSK, this->whitening));
1042 : }
1043 :
1044 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1045 : }
1046 :
1047 0 : int16_t LR11x0::setTCXO(float voltage, uint32_t delay) {
1048 : // set mode to standby
1049 0 : standby();
1050 :
1051 : // check RADIOLIB_LR11X0_ERROR_STAT_HF_XOSC_START_ERR flag and clear it
1052 0 : uint16_t errors = 0;
1053 0 : int16_t state = getErrors(&errors);
1054 0 : RADIOLIB_ASSERT(state);
1055 0 : if(errors & RADIOLIB_LR11X0_ERROR_STAT_HF_XOSC_START_ERR) {
1056 0 : clearErrors();
1057 : }
1058 :
1059 : // check 0 V disable
1060 0 : if(fabsf(voltage - 0.0f) <= 0.001f) {
1061 0 : setTcxoMode(0, 0);
1062 0 : return(reset());
1063 : }
1064 :
1065 : // check allowed voltage values
1066 0 : uint8_t tune = 0;
1067 0 : if(fabsf(voltage - 1.6f) <= 0.001f) {
1068 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_1_6;
1069 0 : } else if(fabsf(voltage - 1.7f) <= 0.001f) {
1070 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_1_7;
1071 0 : } else if(fabsf(voltage - 1.8f) <= 0.001f) {
1072 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_1_8;
1073 0 : } else if(fabsf(voltage - 2.2f) <= 0.001f) {
1074 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_2_2;
1075 0 : } else if(fabsf(voltage - 2.4f) <= 0.001f) {
1076 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_2_4;
1077 0 : } else if(fabsf(voltage - 2.7f) <= 0.001f) {
1078 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_2_7;
1079 0 : } else if(fabsf(voltage - 3.0f) <= 0.001f) {
1080 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_3_0;
1081 0 : } else if(fabsf(voltage - 3.3f) <= 0.001f) {
1082 0 : tune = RADIOLIB_LRXXXX_TCXO_VOLTAGE_3_3;
1083 : } else {
1084 0 : return(RADIOLIB_ERR_INVALID_TCXO_VOLTAGE);
1085 : }
1086 :
1087 : // calculate delay value
1088 0 : this->tcxoDelay = delay;
1089 0 : uint32_t delayValue = (uint32_t)((float)delay / 30.52f);
1090 0 : if(delayValue == 0) {
1091 0 : delayValue = 1;
1092 : }
1093 :
1094 : // enable TCXO control
1095 0 : return(setTcxoMode(tune, delayValue));
1096 : }
1097 :
1098 0 : int16_t LR11x0::setCRC(uint8_t len, uint32_t initial, uint32_t polynomial, bool inverted) {
1099 : // check active modem
1100 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1101 0 : int16_t state = getPacketType(&type);
1102 0 : RADIOLIB_ASSERT(state);
1103 0 : if(type == RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1104 : // LoRa CRC doesn't allow to set CRC polynomial, initial value, or inversion
1105 0 : this->crcTypeLoRa = len > 0 ? RADIOLIB_LRXXXX_LORA_CRC_ENABLED : RADIOLIB_LRXXXX_LORA_CRC_DISABLED;
1106 0 : state = setPacketParamsLoRa(this->preambleLengthLoRa, this->headerType, this->implicitLen, this->crcTypeLoRa, (uint8_t)this->invertIQEnabled);
1107 :
1108 0 : } else if(type == RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
1109 : // update packet parameters
1110 0 : switch(len) {
1111 0 : case 0:
1112 0 : this->crcTypeGFSK = RADIOLIB_LR11X0_GFSK_CRC_DISABLED;
1113 0 : break;
1114 0 : case 1:
1115 0 : if(inverted) {
1116 0 : this->crcTypeGFSK = RADIOLIB_LR11X0_GFSK_CRC_1_BYTE_INV;
1117 : } else {
1118 0 : this->crcTypeGFSK = RADIOLIB_LR11X0_GFSK_CRC_1_BYTE;
1119 : }
1120 0 : break;
1121 0 : case 2:
1122 0 : if(inverted) {
1123 0 : this->crcTypeGFSK = RADIOLIB_LR11X0_GFSK_CRC_2_BYTE_INV;
1124 : } else {
1125 0 : this->crcTypeGFSK = RADIOLIB_LR11X0_GFSK_CRC_2_BYTE;
1126 : }
1127 0 : break;
1128 0 : default:
1129 0 : return(RADIOLIB_ERR_INVALID_CRC_CONFIGURATION);
1130 : }
1131 :
1132 0 : this->crcLenGFSK = len;
1133 0 : state = setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType,
1134 0 : (this->packetType == RADIOLIB_LR11X0_GFSK_PACKET_LENGTH_FIXED) ? this->implicitLen : RADIOLIB_LR11X0_MAX_PACKET_LENGTH, this->crcTypeGFSK, this->whitening);
1135 0 : RADIOLIB_ASSERT(state);
1136 :
1137 0 : state = setGfskCrcParams(initial, polynomial);
1138 :
1139 : }
1140 :
1141 0 : return(state);
1142 : }
1143 :
1144 3 : int16_t LR11x0::invertIQ(bool enable) {
1145 : // check active modem
1146 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1147 3 : int16_t state = getPacketType(&type);
1148 3 : RADIOLIB_ASSERT(state);
1149 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1150 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1151 : }
1152 :
1153 0 : this->invertIQEnabled = enable;
1154 0 : return(setPacketParamsLoRa(this->preambleLengthLoRa, this->headerType, this->implicitLen, this->crcTypeLoRa, (uint8_t)this->invertIQEnabled));
1155 : }
1156 :
1157 3 : float LR11x0::getRSSI() {
1158 3 : float val = 0;
1159 :
1160 : // check active modem
1161 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1162 3 : (void)getPacketType(&type);
1163 3 : if(type == RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1164 0 : (void)getPacketStatusLoRa(&val, NULL, NULL);
1165 :
1166 3 : } else if(type == RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
1167 0 : (void)getPacketStatusGFSK(NULL, &val, NULL, NULL);
1168 :
1169 : }
1170 :
1171 3 : return(val);
1172 : }
1173 :
1174 0 : float LR11x0::getRSSI(bool packet, bool skipReceive) {
1175 0 : float val = 0;
1176 :
1177 : // check if RSSI of packet is requested
1178 0 : if (packet) {
1179 0 : val = getRSSI();
1180 : } else {
1181 0 : if(!skipReceive) { (void)startReceive(); }
1182 0 : int16_t state = getRssiInst(&val);
1183 0 : if(!skipReceive) { (void)standby(); }
1184 0 : if(state != RADIOLIB_ERR_NONE) { return(0); }
1185 : }
1186 :
1187 0 : return(val);
1188 : }
1189 :
1190 3 : float LR11x0::getSNR() {
1191 3 : float val = 0;
1192 :
1193 : // check active modem
1194 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1195 3 : (void)getPacketType(&type);
1196 3 : if(type == RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1197 0 : (void)getPacketStatusLoRa(NULL, &val, NULL);
1198 : }
1199 :
1200 3 : return(val);
1201 : }
1202 :
1203 0 : float LR11x0::getFrequencyError() {
1204 : // TODO implement this
1205 0 : return(0);
1206 : }
1207 :
1208 3 : size_t LR11x0::getPacketLength(bool update) {
1209 3 : return(this->getPacketLength(update, NULL));
1210 : }
1211 :
1212 3 : size_t LR11x0::getPacketLength(bool update, uint8_t* offset) {
1213 : (void)update;
1214 :
1215 : // in implicit mode, return the cached value if the offset was not requested
1216 3 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1217 3 : (void)getPacketType(&type);
1218 3 : if((type == RADIOLIB_LR11X0_PACKET_TYPE_LORA) && (this->headerType == RADIOLIB_LRXXXX_LORA_HEADER_IMPLICIT) && (!offset)) {
1219 0 : return(this->implicitLen);
1220 : }
1221 :
1222 : // if offset was requested, or in explicit mode, we always have to perform the SPI transaction
1223 3 : uint8_t len = 0;
1224 3 : int state = getRxBufferStatus(&len, offset);
1225 : (void)state;
1226 3 : return((size_t)len);
1227 : }
1228 :
1229 3 : RadioLibTime_t LR11x0::getTimeOnAir(size_t len) {
1230 : ModemType_t modem;
1231 3 : getModem(&modem);
1232 6 : return(LRxxxx::getToA(len, modem));
1233 : }
1234 :
1235 3 : uint32_t LR11x0::getIrqFlags() {
1236 3 : return((uint32_t)this->getIrqStatus());
1237 : }
1238 :
1239 3 : int16_t LR11x0::setIrqFlags(uint32_t irq) {
1240 3 : return(this->setDioIrqParams(irq, irq));
1241 : }
1242 :
1243 3 : int16_t LR11x0::clearIrqFlags(uint32_t irq) {
1244 3 : return(this->clearIrqState(irq));
1245 : }
1246 :
1247 3 : uint8_t LR11x0::randomByte() {
1248 3 : uint32_t num = 0;
1249 3 : (void)getRandomNumber(&num);
1250 3 : return((uint8_t)num);
1251 : }
1252 :
1253 0 : int16_t LR11x0::implicitHeader(size_t len) {
1254 0 : return(this->setHeaderType(RADIOLIB_LRXXXX_LORA_HEADER_IMPLICIT, len));
1255 : }
1256 :
1257 0 : int16_t LR11x0::explicitHeader() {
1258 0 : return(this->setHeaderType(RADIOLIB_LRXXXX_LORA_HEADER_EXPLICIT));
1259 : }
1260 :
1261 0 : int16_t LR11x0::setRegulatorLDO() {
1262 0 : return(this->setRegMode(RADIOLIB_LR11X0_REG_MODE_LDO));
1263 : }
1264 :
1265 0 : int16_t LR11x0::setRegulatorDCDC() {
1266 0 : return(this->setRegMode(RADIOLIB_LR11X0_REG_MODE_DC_DC));
1267 : }
1268 :
1269 0 : int16_t LR11x0::setRxBoostedGainMode(bool en) {
1270 0 : uint8_t buff[1] = { (uint8_t)en };
1271 0 : return(this->SPIcommand(RADIOLIB_LR11X0_CMD_SET_RX_BOOSTED, true, buff, sizeof(buff)));
1272 : }
1273 :
1274 3 : int16_t LR11x0::setOutputPower(int8_t power, uint8_t paSel, uint8_t regPaSupply, uint8_t paDutyCycle, uint8_t paHpSel, uint8_t rampTime) {
1275 : // set PA config
1276 3 : int16_t state = setPaConfig(paSel, regPaSupply, paDutyCycle, paHpSel);
1277 3 : RADIOLIB_ASSERT(state);
1278 :
1279 : // set output power
1280 0 : state = setTxParams(power, rampTime);
1281 0 : return(state);
1282 : }
1283 :
1284 0 : void LR11x0::setRfSwitchTable(const uint32_t (&pins)[Module::RFSWITCH_MAX_PINS], const Module::RfSwitchMode_t table[]) {
1285 : // find which pins are used
1286 0 : uint8_t enable = 0;
1287 0 : for(size_t i = 0; i < Module::RFSWITCH_MAX_PINS; i++) {
1288 : // check if this pin is unused
1289 0 : if(pins[i] == RADIOLIB_NC) {
1290 0 : continue;
1291 : }
1292 :
1293 : // only keep DIO pins, there may be some GPIOs in the switch tabke
1294 0 : if(pins[i] & RFSWITCH_PIN_FLAG) {
1295 0 : enable |= 1UL << RADIOLIB_LRXXXX_DIOx_VAL(pins[i]);
1296 : }
1297 :
1298 : }
1299 :
1300 : // now get the configuration
1301 0 : uint8_t modes[7] = { 0 };
1302 0 : for(size_t i = 0; i < 7; i++) {
1303 : // check end of table
1304 0 : if(table[i].mode == LR11x0::MODE_END_OF_TABLE) {
1305 0 : break;
1306 : }
1307 :
1308 : // get the mode ID in case the modes are out-of-order
1309 0 : uint8_t index = table[i].mode - LR11x0::MODE_STBY;
1310 :
1311 : // iterate over the pins
1312 0 : for(size_t j = 0; j < Module::RFSWITCH_MAX_PINS; j++) {
1313 : // only process modes for the DIOx pins, skip GPIO pins
1314 0 : if(!(pins[j] & RFSWITCH_PIN_FLAG)) {
1315 0 : continue;
1316 : }
1317 0 : modes[index] |= (table[i].values[j] == this->mod->hal->GpioLevelHigh) ? (1UL << j) : 0;
1318 : }
1319 : }
1320 :
1321 : // set it
1322 0 : this->setDioAsRfSwitch(enable, modes[0], modes[1], modes[2], modes[3], modes[4], modes[5], modes[6]);
1323 0 : }
1324 :
1325 0 : int16_t LR11x0::forceLDRO(bool enable) {
1326 : // check packet type
1327 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1328 0 : int16_t state = getPacketType(&type);
1329 0 : RADIOLIB_ASSERT(state);
1330 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1331 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1332 : }
1333 :
1334 : // update modulation parameters
1335 0 : this->ldroAuto = false;
1336 0 : this->ldrOptimize = (uint8_t)enable;
1337 0 : return(setModulationParamsLoRa(this->spreadingFactor, this->bandwidth, this->codingRate, this->ldrOptimize));
1338 : }
1339 :
1340 0 : int16_t LR11x0::autoLDRO() {
1341 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1342 0 : int16_t state = getPacketType(&type);
1343 0 : RADIOLIB_ASSERT(state);
1344 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1345 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1346 : }
1347 :
1348 0 : this->ldroAuto = true;
1349 0 : return(RADIOLIB_ERR_NONE);
1350 : }
1351 :
1352 0 : int16_t LR11x0::setLrFhssConfig(uint8_t bw, uint8_t cr, uint8_t hdrCount, uint16_t hopSeed) {
1353 : // check active modem
1354 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1355 0 : int16_t state = getPacketType(&type);
1356 0 : RADIOLIB_ASSERT(state);
1357 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS) {
1358 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1359 : }
1360 :
1361 : // check and cache all parameters
1362 0 : RADIOLIB_CHECK_RANGE((int8_t)cr, (int8_t)RADIOLIB_LRXXXX_LR_FHSS_CR_5_6, (int8_t)RADIOLIB_LRXXXX_LR_FHSS_CR_1_3, RADIOLIB_ERR_INVALID_CODING_RATE);
1363 0 : this->lrFhssCr = cr;
1364 0 : RADIOLIB_CHECK_RANGE((int8_t)bw, (int8_t)RADIOLIB_LRXXXX_LR_FHSS_BW_39_06, (int8_t)RADIOLIB_LRXXXX_LR_FHSS_BW_1574_2, RADIOLIB_ERR_INVALID_BANDWIDTH);
1365 0 : this->lrFhssBw = bw;
1366 0 : RADIOLIB_CHECK_RANGE(hdrCount, 1, 4, RADIOLIB_ERR_INVALID_BIT_RANGE);
1367 0 : this->lrFhssHdrCount = hdrCount;
1368 0 : RADIOLIB_CHECK_RANGE((int16_t)hopSeed, (int16_t)0x000, (int16_t)0x1FF, RADIOLIB_ERR_INVALID_DATA_SHAPING);
1369 0 : this->lrFhssHopSeq = hopSeed;
1370 0 : return(RADIOLIB_ERR_NONE);
1371 : }
1372 :
1373 0 : int16_t LR11x0::getVersionInfo(LR11x0VersionInfo_t* info) {
1374 0 : RADIOLIB_ASSERT_PTR(info);
1375 :
1376 0 : int16_t state = this->getVersion(&info->hardware, &info->device, &info->fwMajor, &info->fwMinor);
1377 0 : RADIOLIB_ASSERT(state);
1378 :
1379 : // LR1121 does not have GNSS and WiFi scanning
1380 0 : if(this->chipType == RADIOLIB_LR11X0_DEVICE_LR1121) {
1381 0 : info->fwMajorWiFi = 0;
1382 0 : info->fwMinorWiFi = 0;
1383 0 : info->fwGNSS = 0;
1384 0 : info->almanacGNSS = 0;
1385 0 : return(RADIOLIB_ERR_NONE);
1386 : }
1387 :
1388 0 : state = this->wifiReadVersion(&info->fwMajorWiFi, &info->fwMinorWiFi);
1389 0 : RADIOLIB_ASSERT(state);
1390 0 : return(this->gnssReadVersion(&info->fwGNSS, &info->almanacGNSS));
1391 : }
1392 :
1393 0 : int16_t LR11x0::updateFirmware(const uint32_t* image, size_t size, bool nonvolatile) {
1394 0 : RADIOLIB_ASSERT_PTR(image);
1395 :
1396 : // put the device to bootloader mode
1397 0 : int16_t state = this->reboot(true);
1398 0 : RADIOLIB_ASSERT(state);
1399 0 : this->mod->hal->delay(500);
1400 :
1401 : // check we're in bootloader
1402 0 : uint8_t device = 0xFF;
1403 0 : state = this->getVersion(NULL, &device, NULL, NULL);
1404 0 : RADIOLIB_ASSERT(state);
1405 0 : if(device != RADIOLIB_LR11X0_DEVICE_BOOT) {
1406 : RADIOLIB_DEBUG_BASIC_PRINTLN("Failed to put device to bootloader mode, %02x != %02x", (unsigned int)device, (unsigned int)RADIOLIB_LR11X0_DEVICE_BOOT);
1407 0 : return(RADIOLIB_ERR_CHIP_NOT_FOUND);
1408 : }
1409 :
1410 : // erase the image
1411 0 : state = this->bootEraseFlash();
1412 0 : RADIOLIB_ASSERT(state);
1413 :
1414 : // wait for BUSY to go low
1415 0 : RadioLibTime_t start = this->mod->hal->millis();
1416 0 : while(this->mod->hal->digitalRead(this->mod->getGpio())) {
1417 0 : this->mod->hal->yield();
1418 0 : if(this->mod->hal->millis() - start >= 3000) {
1419 : RADIOLIB_DEBUG_BASIC_PRINTLN("BUSY pin timeout after erase!");
1420 0 : return(RADIOLIB_ERR_SPI_CMD_TIMEOUT);
1421 : }
1422 : }
1423 :
1424 : // upload the new image
1425 0 : const size_t maxLen = 64;
1426 0 : size_t rem = size % maxLen;
1427 0 : size_t numWrites = (rem == 0) ? (size / maxLen) : ((size / maxLen) + 1);
1428 : RADIOLIB_DEBUG_BASIC_PRINTLN("Writing image in %lu chunks, last chunk size is %lu words", (unsigned long)numWrites, (unsigned long)rem);
1429 0 : for(size_t i = 0; i < numWrites; i ++) {
1430 0 : uint32_t offset = i * maxLen;
1431 0 : uint32_t len = (i == (numWrites - 1)) ? rem : maxLen;
1432 : RADIOLIB_DEBUG_BASIC_PRINTLN("Writing chunk %d at offset %08lx (%u words)", (int)i, (unsigned long)offset, (unsigned int)len);
1433 0 : this->bootWriteFlashEncrypted(offset*sizeof(uint32_t), const_cast<uint32_t*>(&image[offset]), len, nonvolatile);
1434 : }
1435 :
1436 : // kick the device from bootloader
1437 0 : state = this->reset();
1438 0 : RADIOLIB_ASSERT(state);
1439 :
1440 : // verify we are no longer in bootloader
1441 0 : state = this->getVersion(NULL, &device, NULL, NULL);
1442 0 : RADIOLIB_ASSERT(state);
1443 0 : if(device == RADIOLIB_LR11X0_DEVICE_BOOT) {
1444 : RADIOLIB_DEBUG_BASIC_PRINTLN("Failed to kick device from bootloader mode, %02x == %02x", (unsigned int)device, (unsigned int)RADIOLIB_LR11X0_DEVICE_BOOT);
1445 0 : return(RADIOLIB_ERR_CHIP_NOT_FOUND);
1446 : }
1447 :
1448 0 : return(state);
1449 : }
1450 :
1451 12 : int16_t LR11x0::getModem(ModemType_t* modem) {
1452 12 : RADIOLIB_ASSERT_PTR(modem);
1453 :
1454 12 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1455 12 : int16_t state = getPacketType(&type);
1456 12 : RADIOLIB_ASSERT(state);
1457 :
1458 0 : switch(type) {
1459 0 : case(RADIOLIB_LR11X0_PACKET_TYPE_LORA):
1460 0 : *modem = ModemType_t::RADIOLIB_MODEM_LORA;
1461 0 : return(RADIOLIB_ERR_NONE);
1462 0 : case(RADIOLIB_LR11X0_PACKET_TYPE_GFSK):
1463 0 : *modem = ModemType_t::RADIOLIB_MODEM_FSK;
1464 0 : return(RADIOLIB_ERR_NONE);
1465 0 : case(RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS):
1466 0 : *modem = ModemType_t::RADIOLIB_MODEM_LRFHSS;
1467 0 : return(RADIOLIB_ERR_NONE);
1468 : }
1469 :
1470 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1471 : }
1472 :
1473 12 : int16_t LR11x0::stageMode(RadioModeType_t mode, RadioModeConfig_t* cfg) {
1474 : int16_t state;
1475 :
1476 12 : switch(mode) {
1477 9 : case(RADIOLIB_RADIO_MODE_RX): {
1478 : // check active modem
1479 9 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1480 9 : state = getPacketType(&modem);
1481 9 : RADIOLIB_ASSERT(state);
1482 0 : if((modem != RADIOLIB_LR11X0_PACKET_TYPE_LORA) &&
1483 0 : (modem != RADIOLIB_LR11X0_PACKET_TYPE_GFSK)) {
1484 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1485 : }
1486 :
1487 : // set DIO mapping
1488 0 : if(cfg->receive.timeout != RADIOLIB_LR11X0_RX_TIMEOUT_INF) {
1489 0 : cfg->receive.irqMask |= (1UL << RADIOLIB_IRQ_TIMEOUT);
1490 : }
1491 0 : state = setDioIrqParams(getIrqMapped(cfg->receive.irqFlags & cfg->receive.irqMask));
1492 0 : RADIOLIB_ASSERT(state);
1493 :
1494 : // clear interrupt flags
1495 0 : state = clearIrqState(RADIOLIB_LR11X0_IRQ_ALL);
1496 0 : RADIOLIB_ASSERT(state);
1497 :
1498 : // set implicit mode and expected len if applicable
1499 0 : if((this->headerType == RADIOLIB_LRXXXX_LORA_HEADER_IMPLICIT) && (modem == RADIOLIB_LR11X0_PACKET_TYPE_LORA)) {
1500 0 : state = setPacketParamsLoRa(this->preambleLengthLoRa, this->headerType, this->implicitLen, this->crcTypeLoRa, this->invertIQEnabled);
1501 0 : RADIOLIB_ASSERT(state);
1502 : }
1503 :
1504 : // if max(uint32_t) is used, revert to RxContinuous
1505 0 : if(cfg->receive.timeout == 0xFFFFFFFF) {
1506 0 : cfg->receive.timeout = 0xFFFFFF;
1507 : }
1508 0 : this->rxTimeout = cfg->receive.timeout;
1509 0 : } break;
1510 :
1511 3 : case(RADIOLIB_RADIO_MODE_TX): {
1512 : // check packet length
1513 3 : if(cfg->transmit.len > RADIOLIB_LR11X0_MAX_PACKET_LENGTH) {
1514 3 : return(RADIOLIB_ERR_PACKET_TOO_LONG);
1515 : }
1516 :
1517 : // maximum packet length is decreased by 1 when address filtering is active
1518 3 : if((this->addrComp != RADIOLIB_LR11X0_GFSK_ADDR_FILTER_DISABLED) && (cfg->transmit.len > RADIOLIB_LR11X0_MAX_PACKET_LENGTH - 1)) {
1519 0 : return(RADIOLIB_ERR_PACKET_TOO_LONG);
1520 : }
1521 :
1522 : // set packet Length
1523 3 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1524 3 : state = getPacketType(&modem);
1525 3 : RADIOLIB_ASSERT(state);
1526 0 : if(modem == RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1527 0 : state = setPacketParamsLoRa(this->preambleLengthLoRa, this->headerType, cfg->transmit.len, this->crcTypeLoRa, this->invertIQEnabled);
1528 :
1529 0 : } else if(modem == RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
1530 0 : state = setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, this->packetType, cfg->transmit.len, this->crcTypeGFSK, this->whitening);
1531 :
1532 0 : } else if(modem != RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS) {
1533 0 : return(RADIOLIB_ERR_UNKNOWN);
1534 :
1535 : }
1536 0 : RADIOLIB_ASSERT(state);
1537 :
1538 : // set DIO mapping
1539 0 : state = setDioIrqParams(RADIOLIB_LR11X0_IRQ_TX_DONE | RADIOLIB_LR11X0_IRQ_TIMEOUT);
1540 0 : RADIOLIB_ASSERT(state);
1541 :
1542 0 : if(modem == RADIOLIB_LR11X0_PACKET_TYPE_LR_FHSS) {
1543 : // in LR-FHSS mode, the packet is built by the device
1544 : // TODO add configurable device offset
1545 0 : state = LRxxxx::lrFhssBuildFrame(RADIOLIB_LR11X0_CMD_LR_FHSS_BUILD_FRAME, this->lrFhssHdrCount, this->lrFhssCr, this->lrFhssGrid, true, this->lrFhssBw, this->lrFhssHopSeq, 0, cfg->transmit.data, cfg->transmit.len);
1546 0 : RADIOLIB_ASSERT(state);
1547 :
1548 : } else {
1549 : // write packet to buffer
1550 0 : state = writeBuffer8(cfg->transmit.data, cfg->transmit.len);
1551 0 : RADIOLIB_ASSERT(state);
1552 :
1553 : }
1554 :
1555 : // clear interrupt flags
1556 0 : state = clearIrqState(RADIOLIB_LR11X0_IRQ_ALL);
1557 0 : RADIOLIB_ASSERT(state);
1558 0 : } break;
1559 :
1560 0 : default:
1561 0 : return(RADIOLIB_ERR_UNSUPPORTED);
1562 : }
1563 :
1564 0 : this->stagedMode = mode;
1565 0 : return(state);
1566 : }
1567 :
1568 3 : int16_t LR11x0::launchMode() {
1569 : int16_t state;
1570 3 : switch(this->stagedMode) {
1571 3 : case(RADIOLIB_RADIO_MODE_RX): {
1572 3 : this->mod->setRfSwitchState(Module::MODE_RX);
1573 3 : state = setRx(this->rxTimeout);
1574 3 : } break;
1575 :
1576 0 : case(RADIOLIB_RADIO_MODE_TX): {
1577 0 : this->mod->setRfSwitchState(this->txMode);
1578 0 : state = setTx(RADIOLIB_LR11X0_TX_TIMEOUT_NONE);
1579 0 : RADIOLIB_ASSERT(state);
1580 :
1581 : // wait for BUSY to go low (= PA ramp up done)
1582 0 : while(this->mod->hal->digitalRead(this->mod->getGpio())) {
1583 0 : this->mod->hal->yield();
1584 : }
1585 0 : } break;
1586 :
1587 0 : default:
1588 0 : return(RADIOLIB_ERR_UNSUPPORTED);
1589 : }
1590 :
1591 3 : this->stagedMode = RADIOLIB_RADIO_MODE_NONE;
1592 3 : return(state);
1593 : }
1594 :
1595 0 : int16_t LR11x0::workaroundGFSK() {
1596 : // first, check we are using GFSK modem
1597 0 : uint8_t modem = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1598 0 : int16_t state = getPacketType(&modem);
1599 0 : RADIOLIB_ASSERT(state);
1600 0 : if(modem != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
1601 : // not in GFSK, nothing to do here
1602 0 : return(RADIOLIB_ERR_NONE);
1603 : }
1604 :
1605 : // this seems to always be the first step (even when resetting)
1606 0 : state = this->writeRegMemMask32(RADIOLIB_LR11X0_REG_GFSK_FIX1, 0x30, 0x10);
1607 0 : RADIOLIB_ASSERT(state);
1608 :
1609 : // these are the default values that will be applied if nothing matches
1610 0 : uint32_t valFix2 = 0x01;
1611 0 : uint32_t valFix3 = 0x0A01;
1612 :
1613 : // next, decide what to change based on modulation properties
1614 0 : if((this->bitRate == 1200) && (this->frequencyDev == 5000) && (this->rxBandwidth == RADIOLIB_LR11X0_GFSK_RX_BW_19_5)) {
1615 : // workaround for 1.2 kbps
1616 0 : valFix2 = 0x04;
1617 :
1618 0 : } else if((this->bitRate == 600) && (this->frequencyDev == 800) && (this->rxBandwidth == RADIOLIB_LR11X0_GFSK_RX_BW_4_8)) {
1619 : // value to write depends on the frequency
1620 0 : valFix3 = (this->freqMHz >= 1000.0f) ? 0x1100 : 0x0600;
1621 :
1622 : }
1623 :
1624 : // update the registers
1625 0 : state = this->writeRegMemMask32(RADIOLIB_LR11X0_REG_GFSK_FIX2, 0x05, valFix2);
1626 0 : RADIOLIB_ASSERT(state);
1627 0 : return(this->writeRegMemMask32(RADIOLIB_LR11X0_REG_GFSK_FIX3, 0x01FF03, valFix3));
1628 : }
1629 :
1630 0 : int16_t LR11x0::modSetup(uint8_t modem) {
1631 0 : this->mod->init();
1632 0 : this->mod->hal->pinMode(this->mod->getIrq(), this->mod->hal->GpioModeInput);
1633 0 : this->mod->hal->pinMode(this->mod->getGpio(), this->mod->hal->GpioModeInput);
1634 0 : this->mod->spiConfig.cmds[RADIOLIB_MODULE_SPI_COMMAND_READ] = RADIOLIB_LR11X0_CMD_READ_REG_MEM;
1635 0 : this->mod->spiConfig.cmds[RADIOLIB_MODULE_SPI_COMMAND_WRITE] = RADIOLIB_LR11X0_CMD_WRITE_REG_MEM;
1636 0 : this->mod->spiConfig.cmds[RADIOLIB_MODULE_SPI_COMMAND_NOP] = RADIOLIB_LR11X0_CMD_NOP;
1637 0 : this->mod->spiConfig.cmds[RADIOLIB_MODULE_SPI_COMMAND_STATUS] = RADIOLIB_LR11X0_CMD_GET_STATUS;
1638 0 : this->mod->spiConfig.widths[RADIOLIB_MODULE_SPI_WIDTH_ADDR] = Module::BITS_32;
1639 0 : this->mod->spiConfig.widths[RADIOLIB_MODULE_SPI_WIDTH_STATUS] = Module::BITS_8;
1640 0 : this->gnss = false;
1641 :
1642 : // try to find the LR11x0 chip - this will also reset the module at least once
1643 0 : if(!LR11x0::findChip(this->chipType)) {
1644 : RADIOLIB_DEBUG_BASIC_PRINTLN("No LR11x0 found!");
1645 0 : this->mod->term();
1646 0 : return(RADIOLIB_ERR_CHIP_NOT_FOUND);
1647 : }
1648 : RADIOLIB_DEBUG_BASIC_PRINTLN("M\tLR11x0");
1649 :
1650 : // set mode to standby
1651 0 : int16_t state = standby();
1652 0 : RADIOLIB_ASSERT(state);
1653 :
1654 : // set TCXO control, if requested
1655 0 : if(this->tcxoVoltage > 0.0f) {
1656 0 : state = setTCXO(this->tcxoVoltage);
1657 0 : RADIOLIB_ASSERT(state);
1658 : }
1659 :
1660 : // configure settings not accessible by API
1661 0 : return(config(modem));
1662 : }
1663 :
1664 0 : bool LR11x0::findChip(uint8_t ver) {
1665 0 : uint8_t i = 0;
1666 0 : bool flagFound = false;
1667 0 : while((i < 10) && !flagFound) {
1668 : // reset the module
1669 0 : reset();
1670 :
1671 : // read the version
1672 : LR11x0VersionInfo_t info;
1673 0 : int16_t state = getVersionInfo(&info);
1674 0 : RADIOLIB_ASSERT(state);
1675 :
1676 0 : if((info.device == ver) || (info.device == RADIOLIB_LR11X0_DEVICE_BOOT)) {
1677 : RADIOLIB_DEBUG_BASIC_PRINTLN("Found LR11x0: RADIOLIB_LR11X0_CMD_GET_VERSION = 0x%02x", info.device);
1678 : RADIOLIB_DEBUG_BASIC_PRINTLN("Base FW version: %d.%d", (int)info.fwMajor, (int)info.fwMinor);
1679 0 : if(this->chipType != RADIOLIB_LR11X0_DEVICE_LR1121) {
1680 : RADIOLIB_DEBUG_BASIC_PRINTLN("WiFi FW version: %d.%d", (int)info.fwMajorWiFi, (int)info.fwMinorWiFi);
1681 : RADIOLIB_DEBUG_BASIC_PRINTLN("GNSS FW version: %d.%d", (int)info.fwGNSS, (int)info.almanacGNSS);
1682 : }
1683 0 : if(info.device == RADIOLIB_LR11X0_DEVICE_BOOT) {
1684 : RADIOLIB_DEBUG_BASIC_PRINTLN("Warning: device is in bootloader mode! Only FW update is possible now.");
1685 : }
1686 0 : flagFound = true;
1687 : } else {
1688 : RADIOLIB_DEBUG_BASIC_PRINTLN("LR11x0 not found! (%d of 10 tries) RADIOLIB_LR11X0_CMD_GET_VERSION = 0x%02x", i + 1, info.device);
1689 : RADIOLIB_DEBUG_BASIC_PRINTLN("Expected: 0x%02x", ver);
1690 0 : this->mod->hal->delay(10);
1691 0 : i++;
1692 : }
1693 : }
1694 :
1695 :
1696 0 : return(flagFound);
1697 : }
1698 :
1699 0 : int16_t LR11x0::config(uint8_t modem) {
1700 0 : int16_t state = RADIOLIB_ERR_UNKNOWN;
1701 :
1702 : // set Rx/Tx fallback mode to STDBY_RC
1703 0 : state = this->setRxTxFallbackMode(RADIOLIB_LR11X0_FALLBACK_MODE_STBY_RC);
1704 0 : RADIOLIB_ASSERT(state);
1705 :
1706 : // clear IRQ
1707 0 : state = this->clearIrqState(RADIOLIB_LR11X0_IRQ_ALL);
1708 0 : state |= this->setDioIrqParams(RADIOLIB_LR11X0_IRQ_NONE);
1709 0 : RADIOLIB_ASSERT(state);
1710 :
1711 : // calibrate all blocks
1712 0 : state = this->calibrate(RADIOLIB_LR11X0_CALIBRATE_ALL);
1713 :
1714 : // wait for calibration completion
1715 0 : this->mod->hal->delay(5);
1716 0 : while(this->mod->hal->digitalRead(this->mod->getGpio())) {
1717 0 : this->mod->hal->yield();
1718 : }
1719 :
1720 : // if something failed, show the device errors
1721 : #if RADIOLIB_DEBUG_BASIC
1722 : if(state != RADIOLIB_ERR_NONE) {
1723 : // unless mode is forced to standby, device errors will be 0
1724 : standby();
1725 : uint16_t errors = 0;
1726 : getErrors(&errors);
1727 : RADIOLIB_DEBUG_BASIC_PRINTLN("Calibration failed, device errors: 0x%X", errors);
1728 : }
1729 : #else
1730 0 : RADIOLIB_ASSERT(state);
1731 : #endif
1732 :
1733 : // enable driving DIOs in sleep mode
1734 : // this prevents IRQ going high when the device goes to sleep
1735 : // especially when using Rx duty cycle, this woukld make it look like received packets
1736 : // there seems to be no measurable impact on power consumption in sleep mode
1737 0 : state = this->driveDiosInSleepMode(true);
1738 0 : RADIOLIB_ASSERT(state);
1739 :
1740 : // set modem
1741 0 : state = this->setPacketType(modem);
1742 0 : return(state);
1743 : }
1744 :
1745 0 : int16_t LR11x0::setPacketMode(uint8_t mode, uint8_t len) {
1746 : // check active modem
1747 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1748 0 : int16_t state = getPacketType(&type);
1749 0 : RADIOLIB_ASSERT(state);
1750 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_GFSK) {
1751 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1752 : }
1753 :
1754 : // set requested packet mode
1755 0 : state = setPacketParamsGFSK(this->preambleLengthGFSK, this->preambleDetLength, this->syncWordLength, this->addrComp, mode, len, this->crcTypeGFSK, this->whitening);
1756 0 : RADIOLIB_ASSERT(state);
1757 :
1758 : // update cached value
1759 0 : this->packetType = mode;
1760 0 : return(state);
1761 : }
1762 :
1763 0 : int16_t LR11x0::startCad(uint8_t symbolNum, uint8_t detPeak, uint8_t detMin, uint8_t exitMode, RadioLibTime_t timeout) {
1764 : // check active modem
1765 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1766 0 : int16_t state = getPacketType(&type);
1767 0 : RADIOLIB_ASSERT(state);
1768 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1769 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1770 : }
1771 :
1772 : // select CAD parameters
1773 : // TODO the magic numbers are based on Semtech examples, this is probably suboptimal
1774 0 : uint8_t num = symbolNum;
1775 0 : if(num == RADIOLIB_LR11X0_CAD_PARAM_DEFAULT) {
1776 0 : num = 2;
1777 : }
1778 :
1779 0 : const uint8_t detPeakValues[8] = { 48, 48, 50, 55, 55, 59, 61, 65 };
1780 0 : uint8_t peak = detPeak;
1781 0 : if(peak == RADIOLIB_LR11X0_CAD_PARAM_DEFAULT) {
1782 0 : peak = detPeakValues[this->spreadingFactor - 5];
1783 : }
1784 :
1785 0 : uint8_t min = detMin;
1786 0 : if(min == RADIOLIB_LR11X0_CAD_PARAM_DEFAULT) {
1787 0 : min = 10;
1788 : }
1789 :
1790 0 : uint8_t mode = exitMode;
1791 0 : if(mode == RADIOLIB_LR11X0_CAD_PARAM_DEFAULT) {
1792 0 : mode = RADIOLIB_LR11X0_CAD_EXIT_MODE_STBY_RC;
1793 : }
1794 :
1795 0 : uint32_t timeout_raw = (float)timeout / 30.52f;
1796 :
1797 : // set CAD parameters
1798 : // TODO add configurable exit mode and timeout
1799 0 : state = setCadParams(num, peak, min, mode, timeout_raw);
1800 0 : RADIOLIB_ASSERT(state);
1801 :
1802 : // start CAD
1803 0 : return(setCad());
1804 : }
1805 :
1806 0 : int16_t LR11x0::setHeaderType(uint8_t hdrType, size_t len) {
1807 : // check active modem
1808 0 : uint8_t type = RADIOLIB_LR11X0_PACKET_TYPE_NONE;
1809 0 : int16_t state = getPacketType(&type);
1810 0 : RADIOLIB_ASSERT(state);
1811 0 : if(type != RADIOLIB_LR11X0_PACKET_TYPE_LORA) {
1812 0 : return(RADIOLIB_ERR_WRONG_MODEM);
1813 : }
1814 :
1815 : // set requested packet mode
1816 0 : state = setPacketParamsLoRa(this->preambleLengthLoRa, hdrType, len, this->crcTypeLoRa, this->invertIQEnabled);
1817 0 : RADIOLIB_ASSERT(state);
1818 :
1819 : // update cached value
1820 0 : this->headerType = hdrType;
1821 0 : this->implicitLen = len;
1822 :
1823 0 : return(state);
1824 : }
1825 :
1826 0 : Module* LR11x0::getMod() {
1827 0 : return(this->mod);
1828 : }
1829 :
1830 : #endif
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