X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e977fb0da3b08802307ea0f3106390cd5ae718b3..6f93185537e17bebe27f42c8558338e7f04b7d68:/common/lfdemod.c

diff --git a/common/lfdemod.c b/common/lfdemod.c
index 6b674357..6f490106 100644
--- a/common/lfdemod.c
+++ b/common/lfdemod.c
@@ -276,6 +276,7 @@ int askdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert, int maxErr
 {
 	if (*size==0) return -1;
 	int start = DetectASKClock(BinStream, *size, clk, maxErr); //clock default
+
 	if (*clk==0 || start < 0) return -3;
 	if (*invert != 1) *invert = 0;
 	if (amp==1) askAmp(BinStream, *size);
@@ -1447,10 +1448,10 @@ uint16_t countFC(uint8_t *BitStream, size_t size, uint8_t fskAdj)
 	uint8_t fcLens[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
 	uint16_t fcCnts[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
 	uint8_t fcLensFnd = 0;
-	uint8_t lastFCcnt=0;
+	uint8_t lastFCcnt = 0;
 	uint8_t fcCounter = 0;
 	size_t i;
-	if (size == 0) return 0;
+	if (size < 180) return 0;
 
 	// prime i to first up transition
 	for (i = 160; i < size-20; i++)