add check for no wave in graphbuffer prior to...

[proxmark3-svn] / client / cmdlfviking.c

diff --git a/client/cmdlfviking.c b/client/cmdlfviking.c
index 45e4b1d51f4265e4529631e3961dfec84dac65be..fa073df1f6d9acaec42abe387dc029b83101b127 100644 (file)
--- a/client/cmdlfviking.c
+++ b/client/cmdlfviking.c
@@ -47,8 +47,8 @@ int usage_lf_viking_sim(void) {
 
 uint64_t getVikingBits(uint32_t id) {
        //calc checksum
-       uint8_t checksum = (id>>24) ^ ((id>>16) & 0xFF) ^ ((id>>8) & 0xFF) ^ (id & 0xFF) ^ 0xF2 ^ 0xA8;
-       return ((uint64_t)0xF2 << 56) | (id << 8) | checksum;
+       uint8_t checksum = ((id>>24) & 0xFF) ^ ((id>>16) & 0xFF) ^ ((id>>8) & 0xFF) ^ (id & 0xFF) ^ 0xF2 ^ 0xA8;
+       return ((uint64_t)0xF2 << 56) | ((uint64_t)id << 8) | checksum;
 }
 //by marshmellow
 //see ASKDemod for what args are accepted