Fix args number and example for guard

[proxmark3-svn] / common / lfdemod.c

diff --git a/common/lfdemod.c b/common/lfdemod.c
index 6b6743574e594ce26ef28ba35ba5efd5ce1e534d..6f490106bf040359020d48494c52f63a40dfb16a 100644 (file)
--- 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++)