Tek-Tips is the largest IT community on the Internet today!
Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!
-
Congratulations Rhinorhino on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
-
XOR checksum
Hi! I'm getting a string from a device that's connected on a serial-port that looks like this; STX Text text text ... CR ETX BCC Where STX=0x02, ETX=0x03, CR=0x0d and BCC is the checksum 0x00-0xFF. The checksum should be calculated using XOR of everything exept STX and BCC. But how should I...
