eeprom.h

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#include "t89c51cc02.h"
#include "datatypes.h"

/* structure of data within eeprom: 
 * WORD CANID for recieving
 * WORD CANID for sending
 * LONG binary status of monitored sensors
 * LONG binary status of monitoring directions
 * For all 18 sensors:
 *  WORD boundary for sensor
 * BYTE checksum
 */
#define EEPROM_CANID_RECV 0

#define EEPROM CANID_SEND 2

#define EEPROM_MONITOR 4

#define EEPROM_DIRECTION 8

#define EEPROM_BOUNDARY 12

#define EEPROM_CHECKSUM 48

#define EEPROM_wait() while((EECON&MSK_EECON_EEBUSY)!=0)

BYTE EEPROM_read(BYTE);
void EEPROM_write(BYTE,BYTE);
void EEPROM_flush(void);

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