X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f445df401eef592968a87247137930b3c3bf52fa..0db6ed9a7177295a48e8595066a56808bf4b939f:/armsrc/iso14443b.c

diff --git a/armsrc/iso14443b.c b/armsrc/iso14443b.c
index daa219ce..0ea66a8d 100644
--- a/armsrc/iso14443b.c
+++ b/armsrc/iso14443b.c
@@ -525,6 +525,7 @@ static struct {
  *          false if we are still waiting for some more
  *
  */
+ #define abs(x) ( ((x)<0) ? -(x) : (x) )
 static RAMFUNC int Handle14443bSamplesDemod(int ci, int cq)
 {
 	int v = 0;
@@ -1274,7 +1275,7 @@ void RAMFUNC SnoopIso14443b(void)
 
 		if(!ReaderIsActive) {						// no need to try decoding tag data if the reader is sending - and we cannot afford the time
 			// is this | 0x01 the error?   & 0xfe  in https://github.com/Proxmark/proxmark3/issues/103
-			if(Handle14443bSamplesDemod(ci | 0x01, cq | 0x01)) {
+			if(Handle14443bSamplesDemod(ci & 0xfe, cq & 0xfe)) {
 
 			//Use samples as a time measurement
 			if(tracing)