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authorHarsh Sharma <harsh.sharma@multitech.com>2020-01-24 13:57:31 -0600
committerHarsh Sharma <harsh.sharma@multitech.com>2020-01-24 13:57:31 -0600
commitd14d5e0766f7190cd3f6d91003e8d3f356f91359 (patch)
treec8fabcf32a444a46d41d71f2088f46d2722754f9 /util_lbt_test
parent116d2f6402a83c824b0226c42fb08a22c75038b2 (diff)
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Added spi path to util lbt test
Diffstat (limited to 'util_lbt_test')
-rw-r--r--util_lbt_test/src/util_lbt_test.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/util_lbt_test/src/util_lbt_test.c b/util_lbt_test/src/util_lbt_test.c
index 1c8b185..16af7ac 100644
--- a/util_lbt_test/src/util_lbt_test.c
+++ b/util_lbt_test/src/util_lbt_test.c
@@ -31,12 +31,14 @@ Maintainer: Michael Coracin
#include <signal.h> /* sigaction */
#include <unistd.h> /* getopt access */
#include <stdlib.h> /* rand */
+#include <string.h> /* strncmp */
#include "loragw_aux.h"
#include "loragw_reg.h"
#include "loragw_hal.h"
#include "loragw_radio.h"
#include "loragw_fpga.h"
+#include "loragw_spi.h"
/* -------------------------------------------------------------------------- */
/* --- PRIVATE MACROS & CONSTANTS ------------------------------------------- */
@@ -76,10 +78,11 @@ static void sig_handler(int sigio) {
void usage(void) {
printf("Available options:\n");
printf(" -h print this help\n");
- printf(" -f <float> frequency in MHz of the first LBT channel\n");
- printf(" -o <int> offset in dB to be applied to the SX127x RSSI [-128..127]\n");
- printf(" -r <int> target RSSI: signal strength target used to detect if the channel is clear or not [-128..0]\n");
- printf(" -s <uint> scan time in µs for all 8 LBT channels [128,5000]\n");
+ printf(" -f <float> frequency in MHz of the first LBT channel\n");
+ printf(" -o <int> offset in dB to be applied to the SX127x RSSI [-128..127]\n");
+ printf(" -r <int> target RSSI: signal strength target used to detect if the channel is clear or not [-128..0]\n");
+ printf(" -s <uint> scan time in µs for all 8 LBT channels [128,5000]\n");
+ printf(" -p <string> path of SPIDEV e.g. /dev/spidev0.0\n");
}
/* -------------------------------------------------------------------------- */
@@ -89,7 +92,7 @@ int main(int argc, char **argv)
{
int i;
int xi = 0;
-
+ char arg_s[64];
/* in/out variables */
double f1 = 0.0;
uint32_t f_init = 0; /* in Hz */
@@ -105,7 +108,7 @@ int main(int argc, char **argv)
uint32_t freq_offset;
/* parse command line options */
- while ((i = getopt (argc, argv, "h:f:s:r:o:")) != -1) {
+ while ((i = getopt (argc, argv, "h:f:s:r:o:p:")) != -1) {
switch (i) {
case 'h':
usage();
@@ -142,6 +145,16 @@ int main(int argc, char **argv)
rssi_target_dBm = xi;
}
break;
+ case 'p':
+ i = sscanf(optarg, "%s", arg_s);
+ if ((i != 1) || (strncmp(arg_s, "/dev/", 5 ) != 0)) {
+ printf("ERROR: argument parsing of --path argument. Use -h to print help\n");
+ return EXIT_FAILURE;
+ }
+ else {
+ lgw_spi_set_path(arg_s);
+ }
+ break;
case 'o': /* -o <int> SX127x RSSI offset [-128..127] */
i = sscanf(optarg, "%i", &xi);
if((i != 1) || (xi < -128) || (xi > 127)) {