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-rw-r--r--src/rtl_test.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/rtl_test.c b/src/rtl_test.c
index fffe089..e50fc47 100644
--- a/src/rtl_test.c
+++ b/src/rtl_test.c
@@ -160,6 +160,8 @@ int main(int argc, char **argv)
uint32_t samp_rate = DEFAULT_SAMPLE_RATE;
uint32_t out_block_size = DEFAULT_BUF_LENGTH;
int device_count;
+ int count;
+ int gains[100];
while ((opt = getopt(argc, argv, "d:s:b:tS::")) != -1) {
switch (opt) {
@@ -228,6 +230,14 @@ int main(int argc, char **argv)
#else
SetConsoleCtrlHandler( (PHANDLER_ROUTINE) sighandler, TRUE );
#endif
+ count = rtlsdr_get_tuner_gains(dev, NULL);
+ fprintf(stderr, "Supported gain values (%d): ", count);
+
+ count = rtlsdr_get_tuner_gains(dev, gains);
+ for (i = 0; i < count; i++)
+ fprintf(stderr, "%.1f ", gains[i] / 10.0);
+ fprintf(stderr, "\n");
+
/* Set the sample rate */
r = rtlsdr_set_sample_rate(dev, samp_rate);
if (r < 0)