/* Terminal state pointer. This is specific to each type of interface. */
-typedef PTR ttystate;
+typedef PTR serial_ttystate;
struct _serial_t
{
- int fd;
- struct serial_ops *ops;
- ttystate ttystate;
- int bufcnt;
- unsigned char *bufp;
- unsigned char buf[BUFSIZ];
+ int fd; /* File descriptor */
+ struct serial_ops *ops; /* Function vector */
+ serial_ttystate ttystate; /* Not used (yet) */
+ int bufcnt; /* Amount of data in receive buffer */
+ unsigned char *bufp; /* Current byte */
+ unsigned char buf[BUFSIZ]; /* Da buffer itself */
+ int current_timeout; /* (termio{s} only), last value of VTIME */
};
typedef struct _serial_t *serial_t;
int (*readchar) PARAMS ((serial_t, int timeout));
int (*write) PARAMS ((serial_t, const char *str, int len));
void (*go_raw) PARAMS ((serial_t));
- void (*restore) PARAMS ((serial_t));
+ serial_ttystate (*get_tty_state) PARAMS ((serial_t));
+ int (*set_tty_state) PARAMS ((serial_t, serial_ttystate));
int (*setbaudrate) PARAMS ((serial_t, int rate));
};
serial_t serial_open PARAMS ((const char *name));
+serial_t serial_fdopen PARAMS ((int fd));
+
/* For most routines, if a failure is indicated, then errno should be
examined. */
#define SERIAL_OPEN(NAME) serial_open(NAME)
+/* Open a new serial stream using a file handle. */
+
+#define SERIAL_FDOPEN(FD) serial_fdopen(FD)
+
/* Turn the port into raw mode. */
#define SERIAL_RAW(SERIAL_T) (SERIAL_T)->ops->go_raw((SERIAL_T))
+#define SERIAL_GET_TTY_STATE(SERIAL_T) (SERIAL_T)->ops->get_tty_state((SERIAL_T))
+
+#define SERIAL_SET_TTY_STATE(SERIAL_T, TTYSTATE) (SERIAL_T)->ops->set_tty_state((SERIAL_T), (TTYSTATE))
+
/* Read one char from the serial device with TIMEOUT seconds timeout.
Returns char if ok, else one of the following codes. Note that all
error codes are guaranteed to be < 0. */
#define SERIAL_CLOSE(SERIAL_T) serial_close(SERIAL_T)
-/* Restore the serial port to the state saved in oldstate. XXX - currently
- unused! */
-
-#define SERIAL_RESTORE(SERIAL_T) (SERIAL_T)->ops->restore((SERIAL_T))