From: Martin Holst Swende <martin@swende.se>
Date: Sat, 3 Jan 2015 13:36:38 +0000 (+0100)
Subject: Set lower threshold for lf iodemod, it had too high threshold for filtering out noise... 
X-Git-Tag: v2.0.0-rc1~70
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/d0d1e245902fa88ef5d092e68b7e62d9d7b297b3

Set lower threshold for lf iodemod, it had too high threshold for filtering out noise. Now it works better at least with my antenna/setup
---

diff --git a/common/lfdemod.c b/common/lfdemod.c
index f88db18b..79c99f73 100644
--- a/common/lfdemod.c
+++ b/common/lfdemod.c
@@ -602,7 +602,7 @@ int IOdemodFSK(uint8_t *dest, size_t size)
     }
     idx=0;
     //if not just noise
-    if (testMax>170){
+    if (testMax>20){
         // FSK demodulator
         size = fskdemod(dest, size,64,1,10,8);  //  RF/64 and invert
         if (size < 65) return -1;  //did we get a good demod?