From 7ec996a38135119b99324d72c3e4939f07d04c1c Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Wed, 16 Dec 2015 19:19:24 +0100 Subject: you can select redundant freq multiple MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/send.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'src/send.c') diff --git a/src/send.c b/src/send.c index 02672bb..02a2ca1 100644 --- a/src/send.c +++ b/src/send.c @@ -79,6 +79,11 @@ static int use_extra_parity = 0; */ static int use_redundant_freq = 0; +/** + * Frequencies multiple for the redundant frequencies. + */ +static double redundant_freq_mul = 0; + /** * Data buffer used for error correcting code support. */ @@ -148,12 +153,14 @@ static void init_buffers(void) if (use_redundant_freq) for (i = 0; i < N; i++) - buffer[i] = (GENERATE_TONE(low * 1) + GENERATE_TONE(high * 1) + - GENERATE_TONE(low * 4) + GENERATE_TONE(high * 4)) * + buffer[i] = (GENERATE_TONE(low) + + GENERATE_TONE(high) + + GENERATE_TONE(low * redundant_freq_mul) + + GENERATE_TONE(high * redundant_freq_mul)) * (SMAX / 4) - SMIN; else for (i = 0; i < N; i++) - buffer[i] = (GENERATE_TONE(low * 1) + GENERATE_TONE(high * 1)) * + buffer[i] = (GENERATE_TONE(low) + GENERATE_TONE(high)) * (SMAX / 2) - SMIN; } } @@ -390,10 +397,10 @@ int main(int argc, char* argv[]) argv0 = argc ? argv[0] : ""; for (;;) { - r = getopt (argc, argv, "fpr:"); + r = getopt (argc, argv, "f:pr:"); if (r == -1) break; - else if (r == 'f') use_redundant_freq = 1; + else if (r == 'f') use_redundant_freq = 1, redundant_freq_mul = atof(optarg); else if (r == 'p') use_extra_parity = 1; else if (r == 'r') parity = atoi(optarg); else if (r != '?') -- cgit v1.2.3-70-g09d2