X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/11081e0459f303518350b195b9d1c54b415eb6d7..118bfa1b1f10fb62bdad0c9fdbda8f23d4756f67:/common/lfdemod.c

diff --git a/common/lfdemod.c b/common/lfdemod.c
index 144cb327..a42566ad 100644
--- a/common/lfdemod.c
+++ b/common/lfdemod.c
@@ -1094,11 +1094,9 @@ void psk1TOpsk2(uint8_t *BitStream, size_t size)
 // from only transition waves are 1s to phase shifts change bit
 void psk2TOpsk1(uint8_t *BitStream, size_t size)
 {
-	size_t i;
-	uint8_t phase=BitStream[0];
-	//uint8_t lastBit=BitStream[0];
-	for (i=1; i<size; i++){
-		if (phase!=BitStream[i]){
+	uint8_t phase=0;
+	for (size_t i=0; i<size; i++){
+		if (BitStream[i]==1){
 			phase ^=1;
 		}
 		BitStream[i]=phase;
@@ -1600,7 +1598,7 @@ int pskRawDemod(uint8_t dest[], size_t *size, int *clock, int *invert)
   *clock = DetectPSKClock(dest, *size, *clock);
   if (*clock==0) return -1;
   int avgWaveVal=0, lastAvgWaveVal=0;
-  //find first full wave
+  //find first phase shift
   for (i=0; i<loopCnt; i++){
     if (dest[i]+fc < dest[i+1] && dest[i+1] >= dest[i+2]){
       if (waveStart == 0) {