if (target==NULL) target=tempbuf;
sprintf(target,"%02X%02X%02X%02X%02X%02X%02X%02X",
uid[7],uid[6],uid[5],uid[4],uid[3],uid[2],uid[1],uid[0]);
if (target==NULL) target=tempbuf;
sprintf(target,"%02X%02X%02X%02X%02X%02X%02X%02X",
uid[7],uid[6],uid[5],uid[4],uid[3],uid[2],uid[1],uid[0]);