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Add optional command line argument for TTY device #165

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Add optional command line argument for TTY device #165

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10 changes: 7 additions & 3 deletions libloragw/tst/test_loragw_gps.c
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Expand Up @@ -131,7 +131,7 @@ static void gps_process_coords(void) {
/* -------------------------------------------------------------------------- */
/* --- MAIN FUNCTION -------------------------------------------------------- */

int main()
int main(int argc, char *argv[])
{
struct sigaction sigact; /* SIGQUIT&SIGINT&SIGTERM signal handling */

Expand All @@ -142,6 +142,7 @@ int main()
struct lgw_conf_rxrf_s rfconf;

/* serial variables */
static const char *gps_tty_path = "/dev/ttyAMA0"; /* Default path the TTY port GPS is connected on */
char serial_buff[128]; /* buffer to receive GPS data */
size_t wr_idx = 0; /* pointer to end of chars in buffer */
int gps_tty_dev; /* file descriptor to the serial port of the GNSS module */
Expand All @@ -158,11 +159,14 @@ int main()
sigaction(SIGTERM, &sigact, NULL);

/* Intro message and library information */
printf("Beginning of test for loragw_gps.c\n");
if (argc >= 2 && argv[1] != NULL && *argv[1] != '\0') {
gps_tty_path = argv[1];
}
printf("Beginning of test for loragw_gps.c on TTY %s\n", gps_tty_path);
printf("*** Library version information ***\n%s\n***\n", lgw_version_info());

/* Open and configure GPS */
i = lgw_gps_enable("/dev/ttyAMA0", "ubx7", 0, &gps_tty_dev);
i = lgw_gps_enable(gps_tty_path, "ubx7", 0, &gps_tty_dev);
if (i != LGW_GPS_SUCCESS) {
printf("ERROR: IMPOSSIBLE TO ENABLE GPS\n");
exit(EXIT_FAILURE);
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