X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e47e52a2c8f2d925cefe2f5f1a55ceceb7ca0813..23b598ee23c1599b849b2f1bff90f48c7751d928:/common/lfdemod.c

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;