-extern int ser_putchar(int c, struct Serial *port);
-extern int ser_getchar(struct Serial *port);
-extern int ser_getchar_nowait(struct Serial *port);
-extern int ser_write(struct Serial *port, const void *buf, size_t len);
-extern int ser_read(struct Serial *port, char *buf, size_t size);
-extern int ser_print(struct Serial *port, const char *s);
-extern int ser_gets(struct Serial *port, char *buf, int size);
-extern int ser_gets_echo(struct Serial *port, char *buf, int size, bool echo);
-extern int ser_printf(struct Serial *port, const char *format, ...) FORMAT(__printf__, 2, 3);
-extern void ser_setbaudrate(struct Serial *port, unsigned long rate);
-extern void ser_setparity(struct Serial *port, int parity);
-extern void ser_purge(struct Serial *port);
-extern struct Serial *ser_open(unsigned int unit);
-extern void ser_close(struct Serial *port);
-#if defined(CONFIG_SER_RXTIMEOUT) || defined(CONFIG_SER_TXTIMEOUT)
- extern void ser_settimeouts(struct Serial *port, time_t rxtimeout, time_t txtimeout);
-#endif
+//extern int ser_getchar_nowait(struct Serial *port);
+
+void ser_setbaudrate(struct KFileSerial *fd, unsigned long rate);
+void ser_setparity(struct KFileSerial *fd, int parity);
+void ser_settimeouts(struct KFileSerial *fd, mtime_t rxtimeout, mtime_t txtimeout);
+void ser_resync(struct KFileSerial *fd, mtime_t delay);
+
+void ser_purgeRx(struct KFileSerial *fd);
+void ser_purgeTx(struct KFileSerial *fd);
+void ser_purge(struct KFileSerial *fd);
+void ser_init(struct KFileSerial *fds, unsigned int unit);
+void spimaster_init(KFileSerial *fds, unsigned int unit);
+