forked from markqvist/RNode_Firmware
-
Notifications
You must be signed in to change notification settings - Fork 11
/
RNode_Firmware_CE.ino
1385 lines (1233 loc) · 41.4 KB
/
RNode_Firmware_CE.ino
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// Copyright (C) 2023, Mark Qvist
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <Arduino.h>
#include <SPI.h>
#include "Utilities.h"
#if MCU_VARIANT == MCU_NRF52
#define INTERFACE_SPI
#if BOARD_MODEL == BOARD_RAK4631
// Required because on RAK4631, non-default SPI pins must be initialised when class is declared.
SPIClass interface_spi[1] = {
// SX1262
SPIClass(
NRF_SPIM2,
interface_pins[0][3],
interface_pins[0][1],
interface_pins[0][2]
)
};
#elif BOARD_MODEL == BOARD_TECHO
SPIClass interface_spi[1] = {
// SX1262
SPIClass(
NRF_SPIM3,
interface_pins[0][3],
interface_pins[0][1],
interface_pins[0][2]
)
};
#endif
#endif
#ifndef INTERFACE_SPI
// INTERFACE_SPI is only required on NRF52 platforms, as the SPI pins are set in the class constructor and not by a setter method.
// Even if custom SPI interfaces are not needed, the array must exist to prevent compilation errors.
#define INTERFACE_SPI
SPIClass interface_spi[1];
#endif
FIFOBuffer serialFIFO;
uint8_t serialBuffer[CONFIG_UART_BUFFER_SIZE+1];
uint16_t packet_starts_buf[(CONFIG_QUEUE_MAX_LENGTH)+1];
uint16_t packet_lengths_buf[(CONFIG_QUEUE_MAX_LENGTH)+1];
FIFOBuffer16 packet_starts[INTERFACE_COUNT];
FIFOBuffer16 packet_lengths[INTERFACE_COUNT];
volatile uint8_t queue_height[INTERFACE_COUNT] = {0};
volatile uint16_t queued_bytes[INTERFACE_COUNT] = {0};
volatile uint16_t queue_cursor[INTERFACE_COUNT] = {0};
volatile uint16_t current_packet_start[INTERFACE_COUNT] = {0};
volatile bool serial_buffering = false;
#if HAS_BLUETOOTH || HAS_BLE == true
bool bt_init_ran = false;
#endif
#if HAS_CONSOLE
#include "Console.h"
#endif
char sbuf[128];
uint8_t *packet_queue[INTERFACE_COUNT];
void setup() {
#if MCU_VARIANT == MCU_ESP32
boot_seq();
EEPROM.begin(EEPROM_SIZE);
Serial.setRxBufferSize(CONFIG_UART_BUFFER_SIZE);
#endif
#if MCU_VARIANT == MCU_NRF52
if (!eeprom_begin()) {
Serial.write("EEPROM initialisation failed.\r\n");
}
#endif
// Seed the PRNG for CSMA R-value selection
# if MCU_VARIANT == MCU_ESP32
// On ESP32, get the seed value from the
// hardware RNG
int seed_val = (int)esp_random();
#else
// Otherwise, get a pseudo-random seed
// value from an unconnected analog pin
int seed_val = analogRead(0);
#endif
randomSeed(seed_val);
// Initialise serial communication
memset(serialBuffer, 0, sizeof(serialBuffer));
fifo_init(&serialFIFO, serialBuffer, CONFIG_UART_BUFFER_SIZE);
Serial.begin(serial_baudrate);
#if BOARD_MODEL != BOARD_RAK4631 && BOARD_MODEL != BOARD_T3S3 && BOARD_MODEL != BOARD_TECHO
// Some boards need to wait until the hardware UART is set up before booting
// the full firmware. In the case of the RAK4631/TECHO, the line below will wait
// until a serial connection is actually established with a master. Thus, it
// is disabled on this platform.
while (!Serial);
#endif
// Configure input and output pins
#if HAS_INPUT
input_init();
#endif
#if HAS_NP == false
pinMode(pin_led_rx, OUTPUT);
pinMode(pin_led_tx, OUTPUT);
#endif
for (int i = 0; i < INTERFACE_COUNT; i++) {
if (interface_pins[i][9] != -1) {
pinMode(interface_pins[i][9], OUTPUT);
digitalWrite(interface_pins[i][9], HIGH);
}
}
// Initialise buffers
memset(pbuf, 0, sizeof(pbuf));
memset(cmdbuf, 0, sizeof(cmdbuf));
memset(packet_starts_buf, 0, sizeof(packet_starts_buf));
memset(packet_lengths_buf, 0, sizeof(packet_starts_buf));
for (int i = 0; i < INTERFACE_COUNT; i++) {
fifo16_init(&packet_starts[i], packet_starts_buf, CONFIG_QUEUE_MAX_LENGTH+1);
fifo16_init(&packet_lengths[i], packet_lengths_buf, CONFIG_QUEUE_MAX_LENGTH+1);
packet_queue[i] = (uint8_t*)malloc(getQueueSize(i)+1);
}
memset(packet_rdy_interfaces_buf, 0, sizeof(packet_rdy_interfaces_buf));
fifo_init(&packet_rdy_interfaces, packet_rdy_interfaces_buf, MAX_INTERFACES);
// Create and configure interface objects
for (uint8_t i = 0; i < INTERFACE_COUNT; i++) {
switch (interfaces[i]) {
case SX126X:
case SX1262:
{
sx126x* obj;
// if default spi enabled
if (interface_cfg[i][0]) {
obj = new sx126x(i, &SPI, interface_cfg[i][1],
interface_cfg[i][2], interface_pins[i][0], interface_pins[i][1],
interface_pins[i][2], interface_pins[i][3], interface_pins[i][6],
interface_pins[i][5], interface_pins[i][4], interface_pins[i][8]);
}
else {
obj = new sx126x(i, &interface_spi[i], interface_cfg[i][1],
interface_cfg[i][2], interface_pins[i][0], interface_pins[i][1],
interface_pins[i][2], interface_pins[i][3], interface_pins[i][6],
interface_pins[i][5], interface_pins[i][4], interface_pins[i][8]);
}
interface_obj[i] = obj;
interface_obj_sorted[i] = obj;
break;
}
case SX127X:
case SX1276:
case SX1278:
{
sx127x* obj;
// if default spi enabled
if (interface_cfg[i][0]) {
obj = new sx127x(i, &SPI, interface_pins[i][0],
interface_pins[i][1], interface_pins[i][2], interface_pins[i][3],
interface_pins[i][6], interface_pins[i][5], interface_pins[i][4]);
}
else {
obj = new sx127x(i, &interface_spi[i], interface_pins[i][0],
interface_pins[i][1], interface_pins[i][2], interface_pins[i][3],
interface_pins[i][6], interface_pins[i][5], interface_pins[i][4]);
}
interface_obj[i] = obj;
interface_obj_sorted[i] = obj;
break;
}
case SX128X:
case SX1280:
{
sx128x* obj;
// if default spi enabled
if (interface_cfg[i][0]) {
obj = new sx128x(i, &SPI, interface_cfg[i][1],
interface_pins[i][0], interface_pins[i][1], interface_pins[i][2],
interface_pins[i][3], interface_pins[i][6], interface_pins[i][5],
interface_pins[i][4], interface_pins[i][8], interface_pins[i][7]);
}
else {
obj = new sx128x(i, &interface_spi[i], interface_cfg[i][1],
interface_pins[i][0], interface_pins[i][1], interface_pins[i][2],
interface_pins[i][3], interface_pins[i][6], interface_pins[i][5],
interface_pins[i][4], interface_pins[i][8], interface_pins[i][7]);
}
interface_obj[i] = obj;
interface_obj_sorted[i] = obj;
break;
}
default:
break;
}
}
// Check installed transceiver chip(s) and probe boot parameters. If any of
// the configured modems cannot be initialised, do not boot
for (int i = 0; i < INTERFACE_COUNT; i++) {
switch (interfaces[i]) {
case SX126X:
case SX1262:
case SX127X:
case SX1276:
case SX1278:
case SX128X:
case SX1280:
selected_radio = interface_obj[i];
break;
default:
modems_installed = false;
break;
}
if (selected_radio->preInit()) {
modems_installed = true;
uint32_t lfr = selected_radio->getFrequency();
if (lfr == 0) {
// Normal boot
} else if (lfr == M_FRQ_R) {
// Quick reboot
#if HAS_CONSOLE
if (rtc_get_reset_reason(0) == POWERON_RESET) {
console_active = true;
}
#endif
} else {
// Unknown boot
}
selected_radio->setFrequency(M_FRQ_S);
} else {
modems_installed = false;
}
if (!modems_installed) {
break;
}
}
#if HAS_DISPLAY
#if HAS_EEPROM
if (EEPROM.read(eeprom_addr(ADDR_CONF_DSET)) != CONF_OK_BYTE) {
#elif MCU_VARIANT == MCU_NRF52
if (eeprom_read(eeprom_addr(ADDR_CONF_DSET)) != CONF_OK_BYTE) {
#endif
eeprom_update(eeprom_addr(ADDR_CONF_DSET), CONF_OK_BYTE);
eeprom_update(eeprom_addr(ADDR_CONF_DINT), 0xFF);
}
#if DISPLAY == EINK_BW || DISPLAY == EINK_3C
// Poll and process incoming serial commands whilst e-ink display is
// refreshing to make device still seem responsive
display_add_callback(process_serial);
#endif
disp_ready = display_init();
update_display();
#endif
#if HAS_PMU == true
pmu_ready = init_pmu();
#endif
#if HAS_BLUETOOTH || HAS_BLE == true
bt_init();
bt_init_ran = true;
#endif
if (console_active) {
#if HAS_CONSOLE
console_start();
#else
kiss_indicate_reset();
#endif
} else {
kiss_indicate_reset();
}
// Validate board health, EEPROM and config
validate_status();
}
void lora_receive(RadioInterface* radio) {
if (!implicit) {
radio->receive();
} else {
radio->receive(implicit_l);
}
}
inline void kiss_write_packet(int index) {
// We need to convert the interface index to the command byte representation
uint8_t cmd_byte = getInterfaceCommandByte(index);
serial_write(FEND);
// Add index of interface the packet came from
serial_write(cmd_byte);
for (uint16_t i = 0; i < read_len; i++) {
uint8_t byte = pbuf[i];
if (byte == FEND) { serial_write(FESC); byte = TFEND; }
if (byte == FESC) { serial_write(FESC); byte = TFESC; }
serial_write(byte);
}
serial_write(FEND);
read_len = 0;
packet_ready = false;
}
inline void getPacketData(RadioInterface* radio, uint16_t len) {
while (len-- && read_len < MTU) {
pbuf[read_len++] = radio->read();
}
}
void receive_callback(uint8_t index, int packet_size) {
selected_radio = interface_obj[index];
bool ready = false;
if (!promisc) {
// The standard operating mode allows large
// packets with a payload up to 500 bytes,
// by combining two raw LoRa packets.
// We read the 1-byte header and extract
// packet sequence number and split flags
uint8_t header = selected_radio->read(); packet_size--;
uint8_t sequence = packetSequence(header);
if (isSplitPacket(header) && seq == SEQ_UNSET) {
// This is the first part of a split
// packet, so we set the seq variable
// and add the data to the buffer
read_len = 0;
seq = sequence;
getPacketData(selected_radio, packet_size);
} else if (isSplitPacket(header) && seq == sequence) {
// This is the second part of a split
// packet, so we add it to the buffer
// and set the ready flag.
getPacketData(selected_radio, packet_size);
seq = SEQ_UNSET;
packet_interface = index;
packet_ready = true;
} else if (isSplitPacket(header) && seq != sequence) {
// This split packet does not carry the
// same sequence id, so we must assume
// that we are seeing the first part of
// a new split packet.
read_len = 0;
seq = sequence;
getPacketData(selected_radio, packet_size);
} else if (!isSplitPacket(header)) {
// This is not a split packet, so we
// just read it and set the ready
// flag to true.
if (seq != SEQ_UNSET) {
// If we already had part of a split
// packet in the buffer, we clear it.
read_len = 0;
seq = SEQ_UNSET;
}
getPacketData(selected_radio, packet_size);
packet_interface = index;
packet_ready = true;
}
} else {
// In promiscuous mode, raw packets are
// output directly to the host
read_len = 0;
getPacketData(selected_radio, packet_size);
packet_interface = index;
packet_ready = true;
}
last_rx = millis();
}
bool startRadio(RadioInterface* radio) {
update_radio_lock(radio);
if (modems_installed && !console_active) {
if (!radio->getRadioLock() && hw_ready) {
if (!radio->begin()) {
// The radio could not be started.
// Indicate this failure over both the
// serial port and with the onboard LEDs
kiss_indicate_error(ERROR_INITRADIO);
led_indicate_error(0);
return false;
} else {
radio->enableCrc();
radio->onReceive(receive_callback);
radio->updateBitrate();
sort_interfaces();
kiss_indicate_phy_stats(radio);
lora_receive(radio);
// Flash an info pattern to indicate
// that the radio is now on
kiss_indicate_radiostate(radio);
led_indicate_info(3);
return true;
}
} else {
// Flash a warning pattern to indicate
// that the radio was locked, and thus
// not started
kiss_indicate_radiostate(radio);
led_indicate_warning(3);
return false;
}
} else {
// If radio is already on, we silently
// ignore the request.
kiss_indicate_radiostate(radio);
return true;
}
}
void stopRadio(RadioInterface* radio) {
radio->end();
sort_interfaces();
kiss_indicate_radiostate(radio);
}
void update_radio_lock(RadioInterface* radio) {
if (radio->getFrequency() != 0 && radio->getSignalBandwidth() != 0 && radio->getTxPower() != 0xFF && radio->getSpreadingFactor() != 0) {
radio->setRadioLock(false);
} else {
radio->setRadioLock(true);
}
}
// Check if the queue is full for the selected radio.
// Returns true if full, false if not
bool queueFull(RadioInterface* radio) {
return (queue_height[radio->getIndex()] >= (CONFIG_QUEUE_MAX_LENGTH) || queued_bytes[radio->getIndex()] >= (getQueueSize(radio->getIndex())));
}
volatile bool queue_flushing = false;
// Flushes all packets for the interface
void flushQueue(RadioInterface* radio) {
uint8_t index = radio->getIndex();
if (!queue_flushing) {
queue_flushing = true;
led_tx_on();
uint16_t processed = 0;
uint8_t data_byte;
while (!fifo16_isempty(&packet_starts[index])) {
uint16_t start = fifo16_pop(&packet_starts[index]);
uint16_t length = fifo16_pop(&packet_lengths[index]);
if (length >= MIN_L && length <= MTU) {
for (uint16_t i = 0; i < length; i++) {
uint16_t pos = (start+i)%(getQueueSize(index));
tbuf[i] = packet_queue[index][pos];
}
transmit(radio, length);
processed++;
}
}
lora_receive(radio);
led_tx_off();
radio->setPostTxYieldTimeout(millis()+(lora_post_tx_yield_slots*selected_radio->getCSMASlotMS()));
}
queue_height[index] = 0;
queued_bytes[index] = 0;
selected_radio->updateAirtime();
queue_flushing = false;
}
void transmit(RadioInterface* radio, uint16_t size) {
if (radio->getRadioOnline()) {
if (!promisc) {
uint16_t written = 0;
uint8_t header = random(256) & 0xF0;
if (size > SINGLE_MTU - HEADER_L) {
header = header | FLAG_SPLIT;
}
radio->beginPacket();
radio->write(header); written++;
for (uint16_t i=0; i < size; i++) {
radio->write(tbuf[i]);
written++;
// Only start a new packet if this is a split packet and it has
// exceeded the length of a single packet
if (written == 255 && header & 0x0F) {
radio->endPacket(); radio->addAirtime(written);
radio->beginPacket();
radio->write(header);
written = 1;
}
}
radio->endPacket(); radio->addAirtime(written);
} else {
// In promiscuous mode, we only send out
// plain raw LoRa packets with a maximum
// payload of 255 bytes
led_tx_on();
uint16_t written = 0;
// Cap packets at 255 bytes
if (size > SINGLE_MTU) {
size = SINGLE_MTU;
}
// If implicit header mode has been set,
// set packet length to payload data length
if (!implicit) {
radio->beginPacket();
} else {
radio->beginPacket(size);
}
for (uint16_t i=0; i < size; i++) {
radio->write(tbuf[i]);
written++;
}
radio->endPacket(); radio->addAirtime(written);
}
last_tx = millis();
} else {
kiss_indicate_error(ERROR_TXFAILED);
led_indicate_error(5);
}
}
void serialCallback(uint8_t sbyte) {
if (IN_FRAME && sbyte == FEND &&
(command == CMD_INT0_DATA
|| command == CMD_INT1_DATA
|| command == CMD_INT2_DATA
|| command == CMD_INT3_DATA
|| command == CMD_INT4_DATA
|| command == CMD_INT5_DATA
|| command == CMD_INT6_DATA
|| command == CMD_INT7_DATA
|| command == CMD_INT8_DATA
|| command == CMD_INT9_DATA
|| command == CMD_INT10_DATA
|| command == CMD_INT11_DATA)) {
IN_FRAME = false;
if (getInterfaceIndex(command) < INTERFACE_COUNT) {
uint8_t index = getInterfaceIndex(command);
if (!fifo16_isfull(&packet_starts[index]) && (queued_bytes[index] < (getQueueSize(index)))) {
uint16_t s = current_packet_start[index];
int32_t e = queue_cursor[index]-1; if (e == -1) e = (getQueueSize(index))-1;
uint16_t l;
if (s != e) {
l = (s < e) ? e - s + 1: (getQueueSize(index)) - s + e + 1;
} else {
l = 1;
}
if (l >= MIN_L) {
queue_height[index]++;
fifo16_push(&packet_starts[index], s);
fifo16_push(&packet_lengths[index], l);
current_packet_start[index] = queue_cursor[index];
}
}
}
} else if (sbyte == FEND) {
IN_FRAME = true;
command = CMD_UNKNOWN;
frame_len = 0;
} else if (IN_FRAME && frame_len < MTU) {
// Have a look at the command byte first
if (frame_len == 0 && command == CMD_UNKNOWN) {
command = sbyte;
if (command == CMD_SEL_INT0
|| command == CMD_SEL_INT1
|| command == CMD_SEL_INT2
|| command == CMD_SEL_INT3
|| command == CMD_SEL_INT4
|| command == CMD_SEL_INT5
|| command == CMD_SEL_INT6
|| command == CMD_SEL_INT7
|| command == CMD_SEL_INT8
|| command == CMD_SEL_INT9
|| command == CMD_SEL_INT10
|| command == CMD_SEL_INT11) {
interface = getInterfaceIndex(command);
}
} else if (command == CMD_INT0_DATA
|| command == CMD_INT1_DATA
|| command == CMD_INT2_DATA
|| command == CMD_INT3_DATA
|| command == CMD_INT4_DATA
|| command == CMD_INT5_DATA
|| command == CMD_INT6_DATA
|| command == CMD_INT7_DATA
|| command == CMD_INT8_DATA
|| command == CMD_INT9_DATA
|| command == CMD_INT10_DATA
|| command == CMD_INT11_DATA) {
if (bt_state != BT_STATE_CONNECTED) cable_state = CABLE_STATE_CONNECTED;
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (getInterfaceIndex(command) < INTERFACE_COUNT) {
uint8_t index = getInterfaceIndex(command);
if (queue_height[index] < CONFIG_QUEUE_MAX_LENGTH && queued_bytes[index] < (getQueueSize(index))) {
queued_bytes[index]++;
packet_queue[index][queue_cursor[index]++] = sbyte;
if (queue_cursor[index] == (getQueueSize(index))) queue_cursor[index] = 0;
}
}
}
} else if (command == CMD_INTERFACES) {
for (int i = 0; i < INTERFACE_COUNT; i++) {
kiss_indicate_interface(i);
}
} else if (command == CMD_FREQUENCY) {
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (frame_len < CMD_L) cmdbuf[frame_len++] = sbyte;
}
if (frame_len == 4) {
uint32_t freq = (uint32_t)cmdbuf[0] << 24 | (uint32_t)cmdbuf[1] << 16 | (uint32_t)cmdbuf[2] << 8 | (uint32_t)cmdbuf[3];
selected_radio = interface_obj[interface];
if (freq == 0) {
kiss_indicate_frequency(selected_radio);
} else {
if (op_mode == MODE_HOST) selected_radio->setFrequency(freq);
kiss_indicate_frequency(selected_radio);
}
interface = 0;
}
} else if (command == CMD_BANDWIDTH) {
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (frame_len < CMD_L) cmdbuf[frame_len++] = sbyte;
}
if (frame_len == 4) {
uint32_t bw = (uint32_t)cmdbuf[0] << 24 | (uint32_t)cmdbuf[1] << 16 | (uint32_t)cmdbuf[2] << 8 | (uint32_t)cmdbuf[3];
selected_radio = interface_obj[interface];
if (bw == 0) {
kiss_indicate_bandwidth(selected_radio);
} else {
if (op_mode == MODE_HOST) selected_radio->setSignalBandwidth(bw);
selected_radio->updateBitrate();
sort_interfaces();
kiss_indicate_bandwidth(selected_radio);
kiss_indicate_phy_stats(selected_radio);
}
interface = 0;
}
} else if (command == CMD_TXPOWER) {
selected_radio = interface_obj[interface];
if (sbyte == 0xFF) {
kiss_indicate_txpower(selected_radio);
} else {
int8_t txp = (int8_t)sbyte;
if (op_mode == MODE_HOST) setTXPower(selected_radio, txp);
kiss_indicate_txpower(selected_radio);
}
interface = 0;
} else if (command == CMD_SF) {
selected_radio = interface_obj[interface];
if (sbyte == 0xFF) {
kiss_indicate_spreadingfactor(selected_radio);
} else {
int sf = sbyte;
if (sf < 5) sf = 5;
if (sf > 12) sf = 12;
if (op_mode == MODE_HOST) selected_radio->setSpreadingFactor(sf);
selected_radio->updateBitrate();
sort_interfaces();
kiss_indicate_spreadingfactor(selected_radio);
kiss_indicate_phy_stats(selected_radio);
}
interface = 0;
} else if (command == CMD_CR) {
selected_radio = interface_obj[interface];
if (sbyte == 0xFF) {
kiss_indicate_codingrate(selected_radio);
} else {
int cr = sbyte;
if (cr < 5) cr = 5;
if (cr > 8) cr = 8;
if (op_mode == MODE_HOST) selected_radio->setCodingRate4(cr);
selected_radio->updateBitrate();
sort_interfaces();
kiss_indicate_codingrate(selected_radio);
kiss_indicate_phy_stats(selected_radio);
}
interface = 0;
} else if (command == CMD_IMPLICIT) {
set_implicit_length(sbyte);
kiss_indicate_implicit_length();
} else if (command == CMD_LEAVE) {
if (sbyte == 0xFF) {
cable_state = CABLE_STATE_DISCONNECTED;
//current_rssi = -292;
last_rssi = -292;
last_rssi_raw = 0x00;
last_snr_raw = 0x80;
}
} else if (command == CMD_RADIO_STATE) {
selected_radio = interface_obj[interface];
if (bt_state != BT_STATE_CONNECTED) cable_state = CABLE_STATE_CONNECTED;
if (sbyte == 0xFF) {
kiss_indicate_radiostate(selected_radio);
} else if (sbyte == 0x00) {
stopRadio(selected_radio);
} else if (sbyte == 0x01) {
startRadio(selected_radio);
}
interface = 0;
} else if (command == CMD_ST_ALOCK) {
selected_radio = interface_obj[interface];
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (frame_len < CMD_L) cmdbuf[frame_len++] = sbyte;
}
if (frame_len == 2) {
uint16_t at = (uint16_t)cmdbuf[0] << 8 | (uint16_t)cmdbuf[1];
if (at == 0) {
selected_radio->setSTALock(0.0);
} else {
int st_airtime_limit = (float)at/(100.0*100.0);
if (st_airtime_limit >= 1.0) { st_airtime_limit = 0.0; }
selected_radio->setSTALock(st_airtime_limit);
}
kiss_indicate_st_alock(selected_radio);
}
interface = 0;
} else if (command == CMD_LT_ALOCK) {
selected_radio = interface_obj[interface];
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (frame_len < CMD_L) cmdbuf[frame_len++] = sbyte;
}
if (frame_len == 2) {
uint16_t at = (uint16_t)cmdbuf[0] << 8 | (uint16_t)cmdbuf[1];
if (at == 0) {
selected_radio->setLTALock(0.0);
} else {
int lt_airtime_limit = (float)at/(100.0*100.0);
if (lt_airtime_limit >= 1.0) { lt_airtime_limit = 0.0; }
selected_radio->setLTALock(lt_airtime_limit);
}
kiss_indicate_lt_alock(selected_radio);
}
interface = 0;
} else if (command == CMD_STAT_RX) {
kiss_indicate_stat_rx();
} else if (command == CMD_STAT_TX) {
kiss_indicate_stat_tx();
} else if (command == CMD_STAT_RSSI) {
kiss_indicate_stat_rssi();
} else if (command == CMD_RADIO_LOCK) {
selected_radio = interface_obj[interface];
update_radio_lock(selected_radio);
kiss_indicate_radio_lock(selected_radio);
interface = 0;
} else if (command == CMD_BLINK) {
led_indicate_info(sbyte);
} else if (command == CMD_RANDOM) {
// pick an interface at random to get data from
int int_index = random(INTERFACE_COUNT);
selected_radio = interface_obj[int_index];
kiss_indicate_random(getRandom(selected_radio));
interface = 0;
} else if (command == CMD_DETECT) {
if (sbyte == DETECT_REQ) {
if (bt_state != BT_STATE_CONNECTED) cable_state = CABLE_STATE_CONNECTED;
kiss_indicate_detect();
}
} else if (command == CMD_PROMISC) {
if (sbyte == 0x01) {
promisc_enable();
} else if (sbyte == 0x00) {
promisc_disable();
}
kiss_indicate_promisc();
} else if (command == CMD_READY) {
selected_radio = interface_obj[interface];
if (!queueFull(selected_radio)) {
kiss_indicate_ready();
} else {
kiss_indicate_not_ready();
}
} else if (command == CMD_UNLOCK_ROM) {
if (sbyte == ROM_UNLOCK_BYTE) {
unlock_rom();
}
} else if (command == CMD_RESET) {
if (sbyte == CMD_RESET_BYTE) {
hard_reset();
}
} else if (command == CMD_ROM_READ) {
kiss_dump_eeprom();
} else if (command == CMD_ROM_WRITE) {
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (frame_len < CMD_L) cmdbuf[frame_len++] = sbyte;
}
if (frame_len == 2) {
eeprom_write(cmdbuf[0], cmdbuf[1]);
}
} else if (command == CMD_FW_VERSION) {
kiss_indicate_version();
} else if (command == CMD_PLATFORM) {
kiss_indicate_platform();
} else if (command == CMD_MCU) {
kiss_indicate_mcu();
} else if (command == CMD_BOARD) {
kiss_indicate_board();
} else if (command == CMD_CONF_SAVE) {
// todo: add extra space in EEPROM so this isn't hardcoded
eeprom_conf_save(interface_obj[0]);
} else if (command == CMD_CONF_DELETE) {
eeprom_conf_delete();
} else if (command == CMD_FB_EXT) {
#if HAS_DISPLAY == true
if (sbyte == 0xFF) {
kiss_indicate_fbstate();
} else if (sbyte == 0x00) {
ext_fb_disable();
kiss_indicate_fbstate();
} else if (sbyte == 0x01) {
ext_fb_enable();
kiss_indicate_fbstate();
}
#endif
} else if (command == CMD_FB_WRITE) {
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (frame_len < CMD_L) cmdbuf[frame_len++] = sbyte;
}
#if HAS_DISPLAY
if (frame_len == 9) {
uint8_t line = cmdbuf[0];
if (line > 63) line = 63;
int fb_o = line*8;
memcpy(fb+fb_o, cmdbuf+1, 8);
}
#endif
} else if (command == CMD_FB_READ) {
if (sbyte != 0x00) {
kiss_indicate_fb();
}
} else if (command == CMD_DEV_HASH) {
if (sbyte != 0x00) {
kiss_indicate_device_hash();
}
} else if (command == CMD_DEV_SIG) {
if (sbyte == FESC) {
ESCAPE = true;
} else {
if (ESCAPE) {
if (sbyte == TFEND) sbyte = FEND;
if (sbyte == TFESC) sbyte = FESC;
ESCAPE = false;
}
if (frame_len < CMD_L) cmdbuf[frame_len++] = sbyte;
}
if (frame_len == DEV_SIG_LEN) {
memcpy(dev_sig, cmdbuf, DEV_SIG_LEN);
device_save_signature();
}
} else if (command == CMD_FW_UPD) {
if (sbyte == 0x01) {
firmware_update_mode = true;
} else {
firmware_update_mode = false;
}
} else if (command == CMD_HASHES) {
if (sbyte == 0x01) {
kiss_indicate_target_fw_hash();
} else if (sbyte == 0x02) {
kiss_indicate_fw_hash();
} else if (sbyte == 0x03) {
kiss_indicate_bootloader_hash();
} else if (sbyte == 0x04) {
kiss_indicate_partition_table_hash();