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|
/*
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C)2013 Semtech-Cycleo
Description:
Minimum test program for the loragw_hal 'library'
License: Revised BSD License, see LICENSE.TXT file include in the project
Maintainer: Sylvain Miermont
*/
/* -------------------------------------------------------------------------- */
/* --- DEPENDANCIES --------------------------------------------------------- */
/* fix an issue between POSIX and C99 */
#if __STDC_VERSION__ >= 199901L
#define _XOPEN_SOURCE 600
#else
#define _XOPEN_SOURCE 500
#endif
#include <stdint.h> /* C99 types */
#include <stdbool.h> /* bool type */
#include <stdio.h> /* printf */
#include <string.h> /* memset */
#include <signal.h> /* sigaction */
#include "loragw_hal.h"
#include "loragw_reg.h"
#include "loragw_aux.h"
/* -------------------------------------------------------------------------- */
/* --- PRIVATE MACROS ------------------------------------------------------- */
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
/* -------------------------------------------------------------------------- */
/* --- PRIVATE CONSTANTS ---------------------------------------------------- */
#if ((CFG_BAND_868 == 1) || ((CFG_BAND_FULL == 1) && (CFG_RADIO_1257 == 1)))
#define F_RX_0 866000000
#define F_RX_1 868000000
#define F_TX 867000000
#elif (CFG_BAND_915 == 1)
#define F_RX_0 914000000
#define F_RX_1 916000000
#define F_TX 915000000
#elif ((CFG_BAND_470 == 1) || ((CFG_BAND_FULL == 1) && (CFG_RADIO_1255 == 1)))
#define F_RX_0 471000000
#define F_RX_1 473000000
#define F_TX 472000000
#elif (CFG_BAND_433 == 1)
#define F_RX_0 433500000
#define F_RX_1 434300000
#define F_TX 433900000
#endif
/* -------------------------------------------------------------------------- */
/* --- PRIVATE VARIABLES ---------------------------------------------------- */
static int exit_sig = 0; /* 1 -> application terminates cleanly (shut down hardware, close open files, etc) */
static int quit_sig = 0; /* 1 -> application terminates without shutting down the hardware */
/* -------------------------------------------------------------------------- */
/* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */
static void sig_handler(int sigio);
/* -------------------------------------------------------------------------- */
/* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */
static void sig_handler(int sigio) {
if (sigio == SIGQUIT) {
quit_sig = 1;;
} else if ((sigio == SIGINT) || (sigio == SIGTERM)) {
exit_sig = 1;
}
}
/* -------------------------------------------------------------------------- */
/* --- MAIN FUNCTION -------------------------------------------------------- */
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");
}
}
if (exit_sig == 1) {
/* clean up before leaving */
lgw_stop();
}
printf("\nEnd of test for loragw_hal.c\n");
return 0;
}
/* --- EOF ------------------------------------------------------------------ */
|
