From a4eab76c8cafc6f3ebed8b6757b0643df9453bec Mon Sep 17 00:00:00 2001 From: Doug Hammond Date: Thu, 29 Jul 2021 18:27:17 +0100 Subject: [PATCH] rtl_fm: add a new option to select 2nd direct sampling mode --- src/rtl_fm.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/src/rtl_fm.c b/src/rtl_fm.c index 283542d..7c84332 100644 --- a/src/rtl_fm.c +++ b/src/rtl_fm.c @@ -201,11 +201,12 @@ void usage(void) "\t[-p ppm_error (default: 0)]\n" "\t[-E enable_option (default: none)]\n" "\t use multiple -E to enable multiple options\n" - "\t edge: enable lower edge tuning\n" - "\t dc: enable dc blocking filter\n" - "\t deemp: enable de-emphasis filter\n" - "\t direct: enable direct sampling\n" - "\t offset: enable offset tuning\n" + "\t edge: enable lower edge tuning\n" + "\t dc: enable dc blocking filter\n" + "\t deemp: enable de-emphasis filter\n" + "\t direct: enable direct sampling 1 (usually I)\n" + "\t direct2: enable direct sampling 2 (usually Q)\n" + "\t offset: enable offset tuning\n" "\tfilename ('-' means stdout)\n" "\t omitting the filename also uses stdout\n\n" "Experimental options:\n" @@ -892,7 +893,7 @@ static void *controller_thread_fn(void *arg) /* set up primary channel */ optimal_settings(s->freqs[0], demod.rate_in); if (dongle.direct_sampling) { - verbose_direct_sampling(dongle.dev, 1);} + verbose_direct_sampling(dongle.dev, dongle.direct_sampling);} if (dongle.offset_tuning) { verbose_offset_tuning(dongle.dev);} @@ -1119,6 +1120,8 @@ int main(int argc, char **argv) demod.deemph = 1;} if (strcmp("direct", optarg) == 0) { dongle.direct_sampling = 1;} + if (strcmp("direct2", optarg) == 0) { + dongle.direct_sampling = 2;} if (strcmp("offset", optarg) == 0) { dongle.offset_tuning = 1;} break;