int main(int argc, char **argv)
{
int i;
uint8_t status_var;
/* user entry parameters */
int xi = 0;
double xd = 0.0;
/* application parameters */
uint32_t f_target = 0; /* target frequency - invalid default value, has to be specified by user */
int sf = 10; /* SF10 by default */
int cr = 1; /* CR1 aka 4/5 by default */
int bw = 125; /* 125kHz bandwidth by default */
int pow = 14; /* 14 dBm by default */
int preamb = 8; /* 8 symbol preamble by default */
int pl_size = 16; /* 16 bytes payload by default */
int delay = 1000; /* 1 second between packets by default */
int repeat = -1; /* by default, repeat until stopped */
bool invert = false;
/* RF configuration (TX fail if RF chain is not enabled) */
enum lgw_radio_type_e radio_type = LGW_RADIO_TYPE_NONE;
uint8_t clocksource = 1; /* Radio B is source by default */
struct lgw_conf_board_s boardconf;
struct lgw_conf_rxrf_s rfconf;
/* allocate memory for packet sending */
struct lgw_pkt_tx_s txpkt; /* array containing 1 outbound packet + metadata */
/* loop variables (also use as counters in the packet payload) */
uint16_t cycle_count = 0;
/* parse command line options */
while ((i = getopt (argc, argv, "hif:b:s:c:p:l:z:t:x:r:k")) != -1) {
switch (i) {
case 'h':
usage();
return EXIT_FAILURE;
break;
case 'f': /* -f <float> target frequency in MHz */
i = sscanf(optarg, "%lf", &xd);
if ((i != 1) || (xd < 30.0) || (xd > 3000.0)) {
MSG("ERROR: invalid TX frequency\n");
usage();
return EXIT_FAILURE;
} else {
f_target = (uint32_t)((xd*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */
}
break;
case 'b': /* -b <int> Modulation bandwidth in kHz */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || ((xi != 125)&&(xi != 250)&&(xi != 500))) {
MSG("ERROR: invalid LoRa bandwidth\n");
usage();
return EXIT_FAILURE;
} else {
bw = xi;
}
break;
case 's': /* -s <int> Spreading Factor */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < 7) || (xi > 12)) {
MSG("ERROR: invalid spreading factor\n");
usage();
return EXIT_FAILURE;
} else {
sf = xi;
}
break;
case 'c': /* -c <int> Coding Rate */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < 1) || (xi > 4)) {
MSG("ERROR: invalid coding rate\n");
usage();
return EXIT_FAILURE;
} else {
cr = xi;
}
break;
case 'p': /* -p <int> RF power */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < -60) || (xi > 60)) {
MSG("ERROR: invalid RF power\n");
usage();
return EXIT_FAILURE;
} else {
pow = xi;
}
break;
case 'l': /* -r <uint> preamble length (symbols) */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < 6)) {
MSG("ERROR: preamble length must be >6 symbols \n");
usage();
return EXIT_FAILURE;
} else {
preamb = xi;
}
break;
case 'z': /* -z <uint> payload length (bytes) */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi <= 0)) {
MSG("ERROR: invalid payload size\n");
usage();
return EXIT_FAILURE;
} else {
pl_size = xi;
}
break;
case 't': /* -t <int> pause between packets (ms) */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < 0)) {
MSG("ERROR: invalid time between packets\n");
usage();
return EXIT_FAILURE;
} else {
delay = xi;
}
break;
case 'x': /* -x <int> numbers of times the sequence is repeated */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < -1)) {
MSG("ERROR: invalid number of repeats\n");
usage();
return EXIT_FAILURE;
} else {
repeat = xi;
}
break;
case 'r': /* <int> Radio type (1255, 1257) */
sscanf(optarg, "%i", &xi);
switch (xi) {
case 1255:
radio_type = LGW_RADIO_TYPE_SX1255;
break;
case 1257:
radio_type = LGW_RADIO_TYPE_SX1257;
break;
default:
printf("ERROR: invalid radio type\n");
usage();
return EXIT_FAILURE;
}
break;
case 'i': /* -i send packet using inverted modulation polarity */
invert = true;
break;
case 'k': /* <int> Concentrator clock source (Radio A or Radio B) */
sscanf(optarg, "%i", &xi);
clocksource = (uint8_t)xi;
break;
default:
MSG("ERROR: argument parsing\n");
usage();
return EXIT_FAILURE;
}
}
/* check parameter sanity */
if (f_target == 0) {
MSG("ERROR: frequency parameter not set, please use -f option to specify it.\n");
return EXIT_FAILURE;
}
if (radio_type == LGW_RADIO_TYPE_NONE) {
MSG("ERROR: radio type parameter not properly set, please use -r option to specify it.\n");
return EXIT_FAILURE;
}
printf("Sending %i packets on %u Hz (BW %i kHz, SF %i, CR %i, %i bytes payload, %i symbols preamble) at %i dBm, with %i ms between each\n", repeat, f_target, bw, sf, cr, pl_size, preamb, pow, delay);
/* configure signal handling */
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = 0;
sigact.sa_handler = sig_handler;
sigaction(SIGQUIT, &sigact, NULL);
sigaction(SIGINT, &sigact, NULL);
sigaction(SIGTERM, &sigact, NULL);
/* starting the concentrator */
/* board config */
memset(&boardconf, 0, sizeof(boardconf));
boardconf.lorawan_public = true;
boardconf.clksrc = clocksource;
lgw_board_setconf(boardconf);
/* RF config */
memset(&rfconf, 0, sizeof(rfconf));
rfconf.enable = true;
rfconf.freq_hz = f_target;
rfconf.rssi_offset = DEFAULT_RSSI_OFFSET;
rfconf.type = radio_type;
rfconf.tx_enable = true;
lgw_rxrf_setconf(RF_CHAIN, rfconf);
i = lgw_start();
if (i == LGW_HAL_SUCCESS) {
MSG("INFO: concentrator started, packet can be sent\n");
} else {
MSG("ERROR: failed to start the concentrator\n");
return EXIT_FAILURE;
}
/* fill-up payload and parameters */
memset(&txpkt, 0, sizeof(txpkt));
txpkt.freq_hz = f_target;
txpkt.tx_mode = IMMEDIATE;
txpkt.rf_chain = RF_CHAIN;
txpkt.rf_power = pow;
txpkt.modulation = MOD_LORA;
switch (bw) {
case 125: txpkt.bandwidth = BW_125KHZ; break;
case 250: txpkt.bandwidth = BW_250KHZ; break;
case 500: txpkt.bandwidth = BW_500KHZ; break;
default:
MSG("ERROR: invalid 'bw' variable\n");
return EXIT_FAILURE;
}
switch (sf) {
case 7: txpkt.datarate = DR_LORA_SF7; break;
case 8: txpkt.datarate = DR_LORA_SF8; break;
case 9: txpkt.datarate = DR_LORA_SF9; break;
case 10: txpkt.datarate = DR_LORA_SF10; break;
case 11: txpkt.datarate = DR_LORA_SF11; break;
case 12: txpkt.datarate = DR_LORA_SF12; break;
default:
MSG("ERROR: invalid 'sf' variable\n");
return EXIT_FAILURE;
}
switch (cr) {
case 1: txpkt.coderate = CR_LORA_4_5; break;
case 2: txpkt.coderate = CR_LORA_4_6; break;
case 3: txpkt.coderate = CR_LORA_4_7; break;
case 4: txpkt.coderate = CR_LORA_4_8; break;
default:
MSG("ERROR: invalid 'cr' variable\n");
return EXIT_FAILURE;
}
txpkt.invert_pol = invert;
txpkt.preamble = preamb;
txpkt.size = pl_size;
strcpy((char *)txpkt.payload, "TEST**abcdefghijklmnopqrstuvwxyz#0123456789#ABCDEFGHIJKLMNOPQRSTUVWXYZ#0123456789#abcdefghijklmnopqrstuvwxyz#0123456789#ABCDEFGHIJKLMNOPQRSTUVWXYZ#0123456789#abcdefghijklmnopqrstuvwxyz#0123456789#ABCDEFGHIJKLMNOPQRSTUVWXYZ#0123456789#abcdefghijklmnopqrs#" ); /* abc.. is for padding */
/* main loop */
cycle_count = 0;
while ((repeat == -1) || (cycle_count < repeat)) {
++cycle_count;
/* refresh counters in payload (big endian, for readability) */
txpkt.payload[4] = (uint8_t)(cycle_count >> 8); /* MSB */
txpkt.payload[5] = (uint8_t)(cycle_count & 0x00FF); /* LSB */
/* send packet */
printf("Sending packet number %u ...", cycle_count);
i = lgw_send(txpkt); /* non-blocking scheduling of TX packet */
if (i != LGW_HAL_SUCCESS) {
printf("ERROR\n");
return EXIT_FAILURE;
}
/* wait for packet to finish sending */
do {
wait_ms(5);
lgw_status(TX_STATUS, &status_var); /* get TX status */
} while (status_var != TX_FREE);
printf("OK\n");
/* wait inter-packet delay */
wait_ms(delay);
/* exit loop on user signals */
if ((quit_sig == 1) || (exit_sig == 1)) {
break;
}
}
/* clean up before leaving */
lgw_stop();
printf("Exiting LoRa concentrator TX test program\n");
return EXIT_SUCCESS;
}
int main()
{
struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */
struct lgw_conf_rxrf_s rfconf;
struct lgw_conf_rxif_s ifconf;
struct lgw_pkt_rx_s rxpkt[4]; /* array containing up to 4 inbound packets metadata */
struct lgw_pkt_tx_s txpkt; /* configuration and metadata for an outbound packet */
struct lgw_pkt_rx_s *p; /* pointer on a RX packet */
int i, j;
int nb_pkt;
uint32_t tx_cnt = 0;
unsigned long loop_cnt = 0;
uint8_t status_var = 0;
/* configure signal handling */
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = 0;
sigact.sa_handler = sig_handler;
sigaction(SIGQUIT, &sigact, NULL);
sigaction(SIGINT, &sigact, NULL);
sigaction(SIGTERM, &sigact, NULL);
/* beginning of LoRa concentrator-specific code */
printf("Beginning of test for loragw_hal.c\n");
printf("*** Library version information ***\n%s\n\n", lgw_version_info());
/* set configuration for RF chains */
memset(&rfconf, 0, sizeof(rfconf));
rfconf.enable = true;
rfconf.freq_hz = F_RX_0;
lgw_rxrf_setconf(0, rfconf); /* radio A, f0 */
rfconf.enable = true;
rfconf.freq_hz = F_RX_1;
lgw_rxrf_setconf(1, rfconf); /* radio B, f1 */
/* set configuration for LoRa multi-SF channels (bandwidth cannot be set) */
memset(&ifconf, 0, sizeof(ifconf));
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = -300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(0, ifconf); /* chain 0: LoRa 125kHz, all SF, on f0 - 0.3 MHz */
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = 300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(1, ifconf); /* chain 1: LoRa 125kHz, all SF, on f0 + 0.3 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = -300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(2, ifconf); /* chain 2: LoRa 125kHz, all SF, on f1 - 0.3 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = 300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(3, ifconf); /* chain 3: LoRa 125kHz, all SF, on f1 + 0.3 MHz */
#if (LGW_MULTI_NB >= 8)
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = -100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(4, ifconf); /* chain 4: LoRa 125kHz, all SF, on f0 - 0.1 MHz */
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = 100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(5, ifconf); /* chain 5: LoRa 125kHz, all SF, on f0 + 0.1 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = -100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(6, ifconf); /* chain 6: LoRa 125kHz, all SF, on f1 - 0.1 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = 100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(7, ifconf); /* chain 7: LoRa 125kHz, all SF, on f1 + 0.1 MHz */
#endif
/* set configuration for LoRa 'stand alone' channel */
memset(&ifconf, 0, sizeof(ifconf));
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = 0;
ifconf.bandwidth = BW_250KHZ;
ifconf.datarate = DR_LORA_SF10;
lgw_rxif_setconf(8, ifconf); /* chain 8: LoRa 250kHz, SF10, on f0 MHz */
/* set configuration for FSK channel */
memset(&ifconf, 0, sizeof(ifconf));
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = 0;
ifconf.bandwidth = BW_250KHZ;
ifconf.datarate = 64000;
lgw_rxif_setconf(9, ifconf); /* chain 9: FSK 64kbps, on f1 MHz */
/* set configuration for TX packet */
memset(&txpkt, 0, sizeof(txpkt));
txpkt.freq_hz = F_TX;
txpkt.tx_mode = IMMEDIATE;
txpkt.rf_power = 10;
txpkt.modulation = MOD_LORA;
txpkt.bandwidth = BW_250KHZ;
txpkt.datarate = DR_LORA_SF10;
txpkt.coderate = CR_LORA_4_5;
strcpy((char *)txpkt.payload, "TX.TEST.LORA.GW.????" );
txpkt.size = 20;
txpkt.preamble = 6;
txpkt.rf_chain = 0;
/*
memset(&txpkt, 0, sizeof(txpkt));
txpkt.freq_hz = F_TX;
txpkt.tx_mode = IMMEDIATE;
txpkt.rf_power = 10;
txpkt.modulation = MOD_FSK;
txpkt.f_dev = 50;
txpkt.datarate = 64000;
strcpy((char *)txpkt.payload, "TX.TEST.LORA.GW.????" );
txpkt.size = 20;
txpkt.preamble = 4;
txpkt.rf_chain = 0;
*/
/* connect, configure and start the LoRa concentrator */
i = lgw_start();
if (i == LGW_HAL_SUCCESS) {
printf("*** Concentrator started ***\n");
} else {
printf("*** Impossible to start concentrator ***\n");
return -1;
}
/* once configured, dump content of registers to a file, for reference */
// FILE * reg_dump = NULL;
// reg_dump = fopen("reg_dump.log", "w");
// if (reg_dump != NULL) {
// lgw_reg_check(reg_dump);
// fclose(reg_dump);
// }
while ((quit_sig != 1) && (exit_sig != 1)) {
loop_cnt++;
/* fetch N packets */
nb_pkt = lgw_receive(ARRAY_SIZE(rxpkt), rxpkt);
if (nb_pkt == 0) {
wait_ms(300);
} else {
/* display received packets */
for(i=0; i < nb_pkt; ++i) {
p = &rxpkt[i];
printf("---\nRcv pkt #%d >>", i+1);
if (p->status == STAT_CRC_OK) {
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u", p->size);
switch (p-> modulation) {
case MOD_LORA: printf(" LoRa"); break;
case MOD_FSK: printf(" FSK"); break;
default: printf(" modulation?");
}
switch (p->datarate) {
case DR_LORA_SF7: printf(" SF7"); break;
case DR_LORA_SF8: printf(" SF8"); break;
case DR_LORA_SF9: printf(" SF9"); break;
case DR_LORA_SF10: printf(" SF10"); break;
case DR_LORA_SF11: printf(" SF11"); break;
case DR_LORA_SF12: printf(" SF12"); break;
default: printf(" datarate?");
}
switch (p->coderate) {
case CR_LORA_4_5: printf(" CR1(4/5)"); break;
case CR_LORA_4_6: printf(" CR2(2/3)"); break;
case CR_LORA_4_7: printf(" CR3(4/7)"); break;
case CR_LORA_4_8: printf(" CR4(1/2)"); break;
default: printf(" coderate?");
}
printf("\n");
printf(" RSSI:%+6.1f SNR:%+5.1f (min:%+5.1f, max:%+5.1f) payload:\n", p->rssi, p->snr, p->snr_min, p->snr_max);
for (j = 0; j < p->size; ++j) {
printf(" %02X", p->payload[j]);
}
printf(" #\n");
} else if (p->status == STAT_CRC_BAD) {
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u\n", p->size);
printf(" CRC error, damaged packet\n\n");
} else if (p->status == STAT_NO_CRC){
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u\n", p->size);
printf(" no CRC\n\n");
} else {
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u\n", p->size);
printf(" invalid status ?!?\n\n");
}
}
}
/* send a packet every X loop */
if (loop_cnt%16 == 0) {
/* 32b counter in the payload, big endian */
txpkt.payload[16] = 0xff & (tx_cnt >> 24);
txpkt.payload[17] = 0xff & (tx_cnt >> 16);
txpkt.payload[18] = 0xff & (tx_cnt >> 8);
txpkt.payload[19] = 0xff & tx_cnt;
i = lgw_send(txpkt); /* non-blocking scheduling of TX packet */
j = 0;
printf("+++\nSending packet #%d, rf path %d, return %d\nstatus -> ", tx_cnt, txpkt.rf_chain, i);
do {
++j;
wait_ms(100);
lgw_status(TX_STATUS, &status_var); /* get TX status */
printf("%d:", status_var);
} while ((status_var != TX_FREE) && (j < 100));
++tx_cnt;
printf("\nTX finished\n");
}
}
int main(int argc, char **argv)
{
int i;
uint8_t status_var;
/* user entry parameters */
int xi = 0;
double xd = 0.0;
uint32_t f_min;
uint32_t f_max;
/* application parameters */
uint32_t f_target = lowfreq[RF_CHAIN]/2 + upfreq[RF_CHAIN]/2; /* target frequency */
int sf = 10; /* SF10 by default */
int bw = 125; /* 125kHz bandwidth by default */
int pow = 14; /* 14 dBm by default */
int preamb = 8; /* 8 symbol preamble by default */
int pl_size = 16; /* 16 bytes payload by default */
int delay = 1000; /* 1 second between packets by default */
int repeat = -1; /* by default, repeat until stopped */
bool invert = false;
/* RF configuration (TX fail if RF chain is not enabled) */
const struct lgw_conf_rxrf_s rfconf = {true, lowfreq[RF_CHAIN]};
/* allocate memory for packet sending */
struct lgw_pkt_tx_s txpkt; /* array containing 1 outbound packet + metadata */
/* loop variables (also use as counters in the packet payload) */
uint16_t cycle_count = 0;
/* parse command line options */
while ((i = getopt (argc, argv, "hf:s:b:p:r:z:t:x:i")) != -1) {
switch (i) {
case 'h':
usage();
return EXIT_FAILURE;
break;
case 'f': /* -f <float> target frequency in MHz */
i = sscanf(optarg, "%lf", &xd);
if ((i != 1) || (xd < 30.0) || (xd > 3000.0)) {
MSG("ERROR: invalid TX frequency\n");
usage();
return EXIT_FAILURE;
} else {
f_target = (uint32_t)((xd*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */
}
break;
case 's': /* -s <int> Spreading Factor */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < 7) || (xi > 12)) {
MSG("ERROR: invalid spreading factor\n");
usage();
return EXIT_FAILURE;
} else {
sf = xi;
}
break;
case 'b': /* -b <int> Modulation bandwidth in kHz */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || ((xi != 125)&&(xi != 250)&&(xi != 500))) {
MSG("ERROR: invalid LoRa bandwidth\n");
usage();
return EXIT_FAILURE;
} else {
bw = xi;
}
break;
case 'p': /* -p <int> RF power */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < -60) || (xi > 60)) {
MSG("ERROR: invalid RF power\n");
usage();
return EXIT_FAILURE;
} else {
pow = xi;
}
break;
case 'r': /* -r <uint> preamble length (symbols) */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < 6)) {
MSG("ERROR: preamble length must be >6 symbols \n");
usage();
return EXIT_FAILURE;
} else {
preamb = xi;
}
break;
case 'z': /* -z <uint> payload length (bytes) */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi <= 0)) {
MSG("ERROR: invalid payload size\n");
usage();
return EXIT_FAILURE;
} else {
pl_size = xi;
}
break;
case 't': /* -t <int> pause between packets (ms) */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < 0)) {
MSG("ERROR: invalid time between packets\n");
usage();
return EXIT_FAILURE;
} else {
delay = xi;
}
break;
case 'x': /* -x <int> numbers of times the sequence is repeated */
i = sscanf(optarg, "%i", &xi);
if ((i != 1) || (xi < -1)) {
MSG("ERROR: invalid number of repeats\n");
usage();
return EXIT_FAILURE;
} else {
repeat = xi;
}
break;
case 'i': /* -i send packet using inverted modulation polarity */
invert = true;
break;
default:
MSG("ERROR: argument parsing\n");
usage();
return EXIT_FAILURE;
}
}
/* check parameter sanity */
f_min = lowfreq[RF_CHAIN] + (500 * bw);
f_max = upfreq[RF_CHAIN] - (500 * bw);
if ((f_target < f_min) || (f_target > f_max)) {
MSG("ERROR: frequency out of authorized band (accounting for modulation bandwidth)\n");
return EXIT_FAILURE;
}
printf("Sending %i packets on %u Hz (BW %i kHz, SF %i, %i bytes payload, %i symbols preamble) at %i dBm, with %i ms between each\n", repeat, f_target, bw, sf, pl_size, preamb, pow, delay);
/* configure signal handling */
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = 0;
sigact.sa_handler = sig_handler;
sigaction(SIGQUIT, &sigact, NULL);
sigaction(SIGINT, &sigact, NULL);
sigaction(SIGTERM, &sigact, NULL);
/* starting the concentrator */
lgw_rxrf_setconf(RF_CHAIN, rfconf);
i = lgw_start();
if (i == LGW_HAL_SUCCESS) {
MSG("INFO: concentrator started, packet can be sent\n");
} else {
MSG("ERROR: failed to start the concentrator\n");
return EXIT_FAILURE;
}
/* fill-up payload and parameters */
memset(&txpkt, 0, sizeof(txpkt));
txpkt.freq_hz = f_target;
txpkt.tx_mode = IMMEDIATE;
txpkt.rf_chain = RF_CHAIN;
txpkt.rf_power = pow;
txpkt.modulation = MOD_LORA;
switch (bw) {
case 125: txpkt.bandwidth = BW_125KHZ; break;
case 250: txpkt.bandwidth = BW_250KHZ; break;
case 500: txpkt.bandwidth = BW_500KHZ; break;
default:
MSG("ERROR: invalid 'bw' variable\n");
return EXIT_FAILURE;
}
switch (sf) {
case 7: txpkt.datarate = DR_LORA_SF7; break;
case 8: txpkt.datarate = DR_LORA_SF8; break;
case 9: txpkt.datarate = DR_LORA_SF9; break;
case 10: txpkt.datarate = DR_LORA_SF10; break;
case 11: txpkt.datarate = DR_LORA_SF11; break;
case 12: txpkt.datarate = DR_LORA_SF12; break;
default:
MSG("ERROR: invalid 'sf' variable\n");
return EXIT_FAILURE;
}
txpkt.coderate = CR_LORA_4_5;
txpkt.invert_pol = invert;
txpkt.preamble = preamb;
txpkt.size = pl_size;
strcpy((char *)txpkt.payload, "TEST**abcdefghijklmnopqrstuvwxyz0123456789" ); /* abc.. is for padding */
/* main loop */
cycle_count = 0;
while ((repeat == -1) || (cycle_count < repeat)) {
++cycle_count;
/* refresh counters in payload (big endian, for readability) */
txpkt.payload[4] = (uint8_t)(cycle_count >> 8); /* MSB */
txpkt.payload[5] = (uint8_t)(cycle_count & 0x00FF); /* LSB */
/* send packet */
printf("Sending packet number %u ...", cycle_count);
i = lgw_send(txpkt); /* non-blocking scheduling of TX packet */
if (i != LGW_HAL_SUCCESS) {
printf("ERROR\n");
return EXIT_FAILURE;
}
/* wait for packet to finish sending */
do {
wait_ms(5);
lgw_status(TX_STATUS, &status_var); /* get TX status */
} while (status_var != TX_FREE);
printf("OK\n");
/* wait inter-packet delay */
wait_ms(delay);
/* exit loop on user signals */
if ((quit_sig == 1) || (exit_sig == 1)) {
break;
}
}
/* clean up before leaving */
lgw_stop();
printf("Exiting LoRa concentrator TX test program\n");
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */
struct lgw_conf_board_s boardconf;
struct lgw_conf_rxrf_s rfconf;
struct lgw_conf_rxif_s ifconf;
struct lgw_pkt_rx_s rxpkt[4]; /* array containing up to 4 inbound packets metadata */
struct lgw_pkt_tx_s txpkt; /* configuration and metadata for an outbound packet */
struct lgw_pkt_rx_s *p; /* pointer on a RX packet */
int i, j;
int nb_pkt;
uint32_t fa = 0, fb = 0, ft = 0;
enum lgw_radio_type_e radio_type = LGW_RADIO_TYPE_NONE;
uint8_t clocksource = 0; /* Radio A is source in MTAC-LORA */
uint32_t tx_cnt = 0;
unsigned long loop_cnt = 0;
uint8_t status_var = 0;
double xd = 0.0;
int xi = 0;
/* parse command line options */
while ((i = getopt (argc, argv, "ha:b:t:r:k:")) != -1) {
switch (i) {
case 'h':
usage();
return -1;
break;
case 'a': /* <float> Radio A RX frequency in MHz */
sscanf(optarg, "%lf", &xd);
fa = (uint32_t)((xd*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */
break;
case 'b': /* <float> Radio B RX frequency in MHz */
sscanf(optarg, "%lf", &xd);
fb = (uint32_t)((xd*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */
break;
case 't': /* <float> Radio TX frequency in MHz */
sscanf(optarg, "%lf", &xd);
ft = (uint32_t)((xd*1e6) + 0.5); /* .5 Hz offset to get rounding instead of truncating */
break;
case 'r': /* <int> Radio type (1255, 1257) */
sscanf(optarg, "%i", &xi);
switch (xi) {
case 1255:
radio_type = LGW_RADIO_TYPE_SX1255;
break;
case 1257:
radio_type = LGW_RADIO_TYPE_SX1257;
break;
default:
printf("ERROR: invalid radio type\n");
usage();
return -1;
}
break;
case 'k': /* <int> Concentrator clock source (Radio A or Radio B) */
sscanf(optarg, "%i", &xi);
clocksource = (uint8_t)xi;
break;
default:
printf("ERROR: argument parsing\n");
usage();
return -1;
}
}
/* check input parameters */
if ((fa == 0) || (fb == 0) || (ft == 0)) {
printf("ERROR: missing frequency input parameter:\n");
printf(" Radio A RX: %u\n", fa);
printf(" Radio B RX: %u\n", fb);
printf(" Radio TX: %u\n", ft);
usage();
return -1;
}
if (radio_type == LGW_RADIO_TYPE_NONE) {
printf("ERROR: missing radio type parameter:\n");
usage();
return -1;
}
/* configure signal handling */
sigemptyset(&sigact.sa_mask);
sigact.sa_flags = 0;
sigact.sa_handler = sig_handler;
sigaction(SIGQUIT, &sigact, NULL);
sigaction(SIGINT, &sigact, NULL);
sigaction(SIGTERM, &sigact, NULL);
/* beginning of LoRa concentrator-specific code */
printf("Beginning of test for loragw_hal.c\n");
printf("*** Library version information ***\n%s\n\n", lgw_version_info());
/* set configuration for board */
memset(&boardconf, 0, sizeof(boardconf));
boardconf.lorawan_public = true;
boardconf.clksrc = clocksource;
lgw_board_setconf(boardconf);
/* set configuration for RF chains */
memset(&rfconf, 0, sizeof(rfconf));
rfconf.enable = true;
rfconf.freq_hz = fa;
rfconf.rssi_offset = DEFAULT_RSSI_OFFSET;
rfconf.type = radio_type;
rfconf.tx_enable = true;
lgw_rxrf_setconf(0, rfconf); /* radio A, f0 */
rfconf.enable = true;
rfconf.freq_hz = fb;
rfconf.rssi_offset = DEFAULT_RSSI_OFFSET;
rfconf.type = radio_type;
rfconf.tx_enable = false;
lgw_rxrf_setconf(1, rfconf); /* radio B, f1 */
/* set configuration for LoRa multi-SF channels (bandwidth cannot be set) */
memset(&ifconf, 0, sizeof(ifconf));
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = -300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(0, ifconf); /* chain 0: LoRa 125kHz, all SF, on f0 - 0.3 MHz */
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = 300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(1, ifconf); /* chain 1: LoRa 125kHz, all SF, on f0 + 0.3 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = -300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(2, ifconf); /* chain 2: LoRa 125kHz, all SF, on f1 - 0.3 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = 300000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(3, ifconf); /* chain 3: LoRa 125kHz, all SF, on f1 + 0.3 MHz */
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = -100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(4, ifconf); /* chain 4: LoRa 125kHz, all SF, on f0 - 0.1 MHz */
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = 100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(5, ifconf); /* chain 5: LoRa 125kHz, all SF, on f0 + 0.1 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = -100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(6, ifconf); /* chain 6: LoRa 125kHz, all SF, on f1 - 0.1 MHz */
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = 100000;
ifconf.datarate = DR_LORA_MULTI;
lgw_rxif_setconf(7, ifconf); /* chain 7: LoRa 125kHz, all SF, on f1 + 0.1 MHz */
/* set configuration for LoRa 'stand alone' channel */
memset(&ifconf, 0, sizeof(ifconf));
ifconf.enable = true;
ifconf.rf_chain = 0;
ifconf.freq_hz = 0;
ifconf.bandwidth = BW_250KHZ;
ifconf.datarate = DR_LORA_SF10;
lgw_rxif_setconf(8, ifconf); /* chain 8: LoRa 250kHz, SF10, on f0 MHz */
/* set configuration for FSK channel */
memset(&ifconf, 0, sizeof(ifconf));
ifconf.enable = true;
ifconf.rf_chain = 1;
ifconf.freq_hz = 0;
ifconf.bandwidth = BW_250KHZ;
ifconf.datarate = 64000;
lgw_rxif_setconf(9, ifconf); /* chain 9: FSK 64kbps, on f1 MHz */
/* set configuration for TX packet */
memset(&txpkt, 0, sizeof(txpkt));
txpkt.freq_hz = ft;
txpkt.tx_mode = IMMEDIATE;
txpkt.rf_power = 10;
txpkt.modulation = MOD_LORA;
txpkt.bandwidth = BW_250KHZ;
txpkt.datarate = DR_LORA_SF10;
txpkt.coderate = CR_LORA_4_5;
strcpy((char *)txpkt.payload, "TX.TEST.LORA.GW.????" );
txpkt.size = 20;
txpkt.preamble = 6;
txpkt.rf_chain = 0;
/*
memset(&txpkt, 0, sizeof(txpkt));
txpkt.freq_hz = F_TX;
txpkt.tx_mode = IMMEDIATE;
txpkt.rf_power = 10;
txpkt.modulation = MOD_FSK;
txpkt.f_dev = 50;
txpkt.datarate = 64000;
strcpy((char *)txpkt.payload, "TX.TEST.LORA.GW.????" );
txpkt.size = 20;
txpkt.preamble = 4;
txpkt.rf_chain = 0;
*/
/* connect, configure and start the LoRa concentrator */
i = lgw_start();
if (i == LGW_HAL_SUCCESS) {
printf("*** Concentrator started ***\n");
} else {
printf("*** Impossible to start concentrator ***\n");
return -1;
}
/* once configured, dump content of registers to a file, for reference */
// FILE * reg_dump = NULL;
// reg_dump = fopen("reg_dump.log", "w");
// if (reg_dump != NULL) {
// lgw_reg_check(reg_dump);
// fclose(reg_dump);
// }
while ((quit_sig != 1) && (exit_sig != 1)) {
loop_cnt++;
/* fetch N packets */
nb_pkt = lgw_receive(ARRAY_SIZE(rxpkt), rxpkt);
if (nb_pkt == 0) {
wait_ms(300);
} else {
/* display received packets */
for(i=0; i < nb_pkt; ++i) {
p = &rxpkt[i];
printf("---\nRcv pkt #%d >>", i+1);
if (p->status == STAT_CRC_OK) {
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u", p->size);
switch (p-> modulation) {
case MOD_LORA: printf(" LoRa"); break;
case MOD_FSK: printf(" FSK"); break;
default: printf(" modulation?");
}
switch (p->datarate) {
case DR_LORA_SF7: printf(" SF7"); break;
case DR_LORA_SF8: printf(" SF8"); break;
case DR_LORA_SF9: printf(" SF9"); break;
case DR_LORA_SF10: printf(" SF10"); break;
case DR_LORA_SF11: printf(" SF11"); break;
case DR_LORA_SF12: printf(" SF12"); break;
default: printf(" datarate?");
}
switch (p->coderate) {
case CR_LORA_4_5: printf(" CR1(4/5)"); break;
case CR_LORA_4_6: printf(" CR2(2/3)"); break;
case CR_LORA_4_7: printf(" CR3(4/7)"); break;
case CR_LORA_4_8: printf(" CR4(1/2)"); break;
default: printf(" coderate?");
}
printf("\n");
printf(" RSSI:%+6.1f SNR:%+5.1f (min:%+5.1f, max:%+5.1f) payload:\n", p->rssi, p->snr, p->snr_min, p->snr_max);
for (j = 0; j < p->size; ++j) {
printf(" %02X", p->payload[j]);
}
printf(" #\n");
} else if (p->status == STAT_CRC_BAD) {
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u\n", p->size);
printf(" CRC error, damaged packet\n\n");
} else if (p->status == STAT_NO_CRC){
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u\n", p->size);
printf(" no CRC\n\n");
} else {
printf(" if_chain:%2d", p->if_chain);
printf(" tstamp:%010u", p->count_us);
printf(" size:%3u\n", p->size);
printf(" invalid status ?!?\n\n");
}
}
}
/* send a packet every X loop */
if (loop_cnt%16 == 0) {
/* 32b counter in the payload, big endian */
txpkt.payload[16] = 0xff & (tx_cnt >> 24);
txpkt.payload[17] = 0xff & (tx_cnt >> 16);
txpkt.payload[18] = 0xff & (tx_cnt >> 8);
txpkt.payload[19] = 0xff & tx_cnt;
i = lgw_send(txpkt); /* non-blocking scheduling of TX packet */
j = 0;
printf("+++\nSending packet #%d, rf path %d, return %d\nstatus -> ", tx_cnt, txpkt.rf_chain, i);
do {
++j;
wait_ms(100);
lgw_status(TX_STATUS, &status_var); /* get TX status */
printf("%d:", status_var);
} while ((status_var != TX_FREE) && (j < 100));
++tx_cnt;
printf("\nTX finished\n");
}
}
