// uid[] the UID in transmission order
// return: ptr to string
char* Iso15693sprintUID(char *target,uint8_t *uid) {
- static char tempbuf[9]="";
+ static char tempbuf[2*8+1]="";
if (target==NULL) target=tempbuf;
- sprintf(target,"%02hX%02hX%02hX%02hX%02hX%02hX%02hX%02hX",
+ 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]);
return target;
}