From cd6ab7f77d216dba3c26f2cdc736e49001ded6e3 Mon Sep 17 00:00:00 2001
From: Kamal Mostafa <kamal@whence.com>
Date: Sun, 5 Jun 2011 08:44:47 -0700
Subject: [PATCH] fsk: noconfidence_bits increase to 20

... and probably should be set even higher, to allow for even longer
idle-bit (stop-bit) periods.
---
 src/fsk.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/fsk.c b/src/fsk.c
index 6fe0d59..ee2b5ec 100644
--- a/src/fsk.c
+++ b/src/fsk.c
@@ -446,7 +446,9 @@ debug_log( "--------------------------\n");
 	if ( confidence <= FSK_MIN_CONFIDENCE ) {
 
 	    if ( carrier ) {
-	      if ( ++noconfidence > 3 )	// FIXME: explain
+	      // FIXME: explain
+#define FSK_MAX_NOCONFIDENCE_BITS	20
+	      if ( ++noconfidence > FSK_MAX_NOCONFIDENCE_BITS )
 	      {
 		fprintf(stderr, "### NOCARRIER nbytes=%u confidence=%f ###\n",
 			nframes_decoded, confidence_total / nframes_decoded );