X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a61b4976bd2085bf0495855b48fcad0d9ed4572e..02306bac2dc44bd1de5422f9db127b231cde304f:/armsrc/util.c

diff --git a/armsrc/util.c b/armsrc/util.c
index 0558fb94..b1ef6ea0 100644
--- a/armsrc/util.c
+++ b/armsrc/util.c
@@ -85,6 +85,15 @@ int32_t le24toh (uint8_t data[3])
     return (data[2] << 16) | (data[1] << 8) | data[0];
 }
 
+//added here for parity calulations
+uint8_t oddparity(uint8_t bt)
+{
+   uint16_t v = bt;
+   v ^= v >> 4;
+   v &= 0xF;
+   return ((0x9669 >> v) & 1);
+}
+
 void LEDsoff()
 {
 	LED_A_OFF();