/* shared.h; 
 * constants shared between badge and door 
 */

/* length of the header in RF packets (TO/FROM, packet #, packet size) */
#define HEADER_LENGTH 3

/* length of the request message from door */
#define REQUEST_LENGTH 3

/* length of the response message from badge */
#define RESPONSE_LENGTH 4

/* type code for a request message */
#define REQUEST_CODE '1'

/* type code for a response message */
#define RESPONSE_CODE '2'

/* all badges have an RF node address of 1 */
#define BADGE_ADDRESS 1