From d2197f967aaf4e58ffd9df387c228bf5354c9e0c Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Tue, 6 Jan 2015 18:59:59 +0100
Subject: [PATCH] Changed io threshold to 140, fixed boolean error in
 comparison

---
 common/lfdemod.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/lfdemod.c b/common/lfdemod.c
index e0d20464..14478319 100644
--- a/common/lfdemod.c
+++ b/common/lfdemod.c
@@ -592,14 +592,14 @@ uint32_t bytebits_to_byte(uint8_t* src, int numbits)
 
 int IOdemodFSK(uint8_t *dest, size_t size)
 {
-	static const uint8_t THRESHOLD = 170;
+	static const uint8_t THRESHOLD = 140;
     uint32_t idx=0;
     //make sure buffer has data
     if (size < 66) return -1;
     //test samples are not just noise
 	uint8_t justNoise = 1;
 	for(idx=0;idx< size && justNoise ;idx++){
-		justNoise = dest[idx] > THRESHOLD;
+		justNoise = dest[idx] < THRESHOLD;
 	}
 	if(justNoise) return 0;
 
-- 
2.39.2