};
extern int can_init();
-extern int can_read(uint8_t address,uint8_t *data);
-extern int can_write(uint8_t address,uint8_t *data);
+extern uint8_t can_read(uint8_t address);
+extern void can_write(uint8_t data, uint8_t address);
#endif /* SJA1000_CAN_H */