You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef SERIAL_H
#define SERIAL_H
unsigned char *bufp; /* Current byte */
unsigned char buf[BUFSIZ]; /* Da buffer itself */
int current_timeout; /* (termio{s} only), last value of VTIME */
+ /* ser-unix.c termio{,s} only, we still need to wait for this many more
+ seconds. */
+ int timeout_remaining;
+ char *name; /* The name of the device or host */
+ struct _serial_t *next; /* Pointer to the next serial_t */
+ int refcnt; /* Number of pointers to this block */
};
typedef struct _serial_t *serial_t;
void (*close) PARAMS ((serial_t));
int (*readchar) PARAMS ((serial_t, int timeout));
int (*write) PARAMS ((serial_t, const char *str, int len));
+ /* Discard pending output */
int (*flush_output) PARAMS ((serial_t));
+ /* Discard pending input */
int (*flush_input) PARAMS ((serial_t));
int (*send_break) PARAMS ((serial_t));
void (*go_raw) PARAMS ((serial_t));
int (*noflush_set_tty_state)
PARAMS ((serial_t, serial_ttystate, serial_ttystate));
int (*setbaudrate) PARAMS ((serial_t, int rate));
+ int (*setstopbits) PARAMS ((serial_t, int num));
+ /* Wait for output to drain */
+ int (*drain_output) PARAMS ((serial_t));
};
/* Add a new serial interface to the interface list */
#define SERIAL_FDOPEN(FD) serial_fdopen(FD)
-/* Flush pending output. Might also flush input (if this system can't flush
+/* Allow pending output to drain. */
+
+#define SERIAL_DRAIN_OUTPUT(SERIAL_T) \
+ ((SERIAL_T)->ops->drain_output((SERIAL_T)))
+
+/* Flush (discard) pending output. Might also flush input (if this system can't flush
only output). */
#define SERIAL_FLUSH_OUTPUT(SERIAL_T) \
/* Send a break between 0.25 and 0.5 seconds long. */
-#define SERIAL_SEND_BREAK(SERIAL_T) \
- ((*(SERIAL_T)->ops->send_break) (SERIAL_T))
+extern int serial_send_break PARAMS ((serial_t scb));
+
+#define SERIAL_SEND_BREAK(SERIAL_T) serial_send_break (SERIAL_T)
/* Turn the port into raw mode. */
#define SERIAL_GET_TTY_STATE(SERIAL_T) (SERIAL_T)->ops->get_tty_state((SERIAL_T))
/* Set the state of the tty to TTYSTATE. The change is immediate.
- When changing to or from raw mode, input might be discarded. */
+ When changing to or from raw mode, input might be discarded.
+ Returns 0 for success, negative value for error (in which case errno
+ contains the error). */
#define SERIAL_SET_TTY_STATE(SERIAL_T, TTYSTATE) (SERIAL_T)->ops->set_tty_state((SERIAL_T), (TTYSTATE))
/* printf_filtered a user-comprehensible description of ttystate. */
#define SERIAL_TIMEOUT -2
#define SERIAL_EOF -3
-#define SERIAL_READCHAR(SERIAL_T, TIMEOUT) ((SERIAL_T)->ops->readchar((SERIAL_T), TIMEOUT))
+extern int serial_readchar PARAMS ((serial_t scb, int timeout));
+
+#define SERIAL_READCHAR(SERIAL_T, TIMEOUT) serial_readchar (SERIAL_T, TIMEOUT)
/* Set the baudrate to the decimal value supplied. Returns 0 for success,
-1 for failure. */
#define SERIAL_SETBAUDRATE(SERIAL_T, RATE) ((SERIAL_T)->ops->setbaudrate((SERIAL_T), RATE))
+/* Set the number of stop bits to the value specified. Returns 0 for success,
+ -1 for failure. */
+
+#define SERIAL_1_STOPBITS 1
+#define SERIAL_1_AND_A_HALF_STOPBITS 2 /* 1.5 bits, snicker... */
+#define SERIAL_2_STOPBITS 3
+
+#define SERIAL_SETSTOPBITS(SERIAL_T, NUM) ((SERIAL_T)->ops->setstopbits((SERIAL_T), NUM))
+
/* Write LEN chars from STRING to the port SERIAL_T. Returns 0 for
success, non-zero for failure. */
-#define SERIAL_WRITE(SERIAL_T, STRING, LEN) ((SERIAL_T)->ops->write((SERIAL_T), STRING, LEN))
+extern int serial_write PARAMS ((serial_t scb, const char *str, int len));
+
+#define SERIAL_WRITE(SERIAL_T, STRING,LEN) serial_write (SERIAL_T, STRING, LEN)
/* Push out all buffers, close the device and destroy SERIAL_T. */
-void serial_close PARAMS ((serial_t));
+extern void serial_close PARAMS ((serial_t, int));
+
+#define SERIAL_CLOSE(SERIAL_T) serial_close(SERIAL_T, 1)
+
+/* Push out all buffers and destroy SERIAL_T without closing the device. */
+
+#define SERIAL_UN_FDOPEN(SERIAL_T) serial_close(SERIAL_T, 0)
-#define SERIAL_CLOSE(SERIAL_T) serial_close(SERIAL_T)
+extern void serial_printf PARAMS ((serial_t desc, const char *, ...))
+ ATTR_FORMAT(printf, 2, 3);
-/* Destroy SERIAL_T without doing the rest of the stuff that SERIAL_CLOSE
- does. */
+/* File in which to record the remote debugging session */
-#define SERIAL_UN_FDOPEN(SERIAL_T) (free (SERIAL_T))
+extern void serial_log_command PARAMS ((const char *));
#endif /* SERIAL_H */