#include "serial.h"
#include <sys/dos.h>
-#define SIGNATURE 0x4154
-#define VERSION 1
-#define OFFSET 0x104
-
-#define peek(a,b) (*(unsigned short *)(0xe0000000 + (a)*16 + (b)))
+/* This is unused for now. We just return a placeholder. */
+struct go32_ttystate
+{
+ int bogus;
+};
typedef struct {
short jmp_op;
short iov;
} ASYNC_STRUCT;
+static int go32_open PARAMS ((serial_t scb, const char *name));
+static void go32_raw PARAMS ((serial_t scb));
+static int wait_for PARAMS ((serial_t scb, int timeout));
+static int go32_readchar PARAMS ((serial_t scb, int timeout));
+static int rate_to_code PARAMS ((int rate));
+static int go32_setbaudrate PARAMS ((serial_t scb, int rate));
+static int go32_write PARAMS ((serial_t scb, const char *str, int len));
+static void go32_restore PARAMS ((serial_t scb));
+static void go32_close PARAMS ((serial_t scb));
+static serial_ttystate go32_get_tty_state PARAMS ((serial_t scb));
+static int go32_set_tty_state PARAMS ((serial_t scb, serial_ttystate state));
+static int strncasecmp PARAMS ((char *str1, char *str2, int len));
+static char *aptr PARAMS ((short p));
+static ASYNC_STRUCT *getivec PARAMS ((int which));
+static int dos_async_init PARAMS ((int port));
+static void dos_async_tx PARAMS ((const char c));
+static int dos_async_ready PARAMS (());
+static int dos_async_rx PARAMS (());
+static int dosasync_read PARAMS ((int fd, char *buf, int len, int timeout));
+static int dosasync_write PARAMS ((int fd, const char *buf, int len));
+
+#define SIGNATURE 0x4154
+#define VERSION 1
+#define OFFSET 0x104
+
+#define peek(a,b) (*(unsigned short *)(0xe0000000 + (a)*16 + (b)))
+
static ASYNC_STRUCT *async;
static int iov;
#define com_rb iov
if (strncasecmp (name, "com", 3) != 0)
{
errno = ENOENT;
- return 1;
+ return -1;
}
port = name[3] - '0';
if ((port != 1) && (port != 2))
{
errno = ENOENT;
- return 1;
+ return -11;
}
scb->fd = dos_async_init(port);
if (!scb->fd)
- return 1;
+ return -1;
return 0;
}
if (dosasync_read(scb->fd, &buf, 1, timeout))
return buf;
else
- return -2; /* Timeout, I guess */
+ return SERIAL_TIMEOUT;
+}
+
+/* go32_{get set}_tty_state() are both dummys to fill out the function
+ vector. Someday, they may do something real... */
+
+static serial_ttystate
+go32_get_tty_state(scb)
+ serial_t scb;
+{
+ struct go32_ttystate *state;
+
+ state = (struct go32_ttystate *)xmalloc(sizeof *state);
+
+ return (serial_ttystate)state;
+}
+
+static int
+go32_set_tty_state(scb, ttystate)
+ serial_t scb;
+ serial_ttystate ttystate;
+{
+ struct go32_ttystate *state;
+
+ return 0;
}
static int
int len;
{
dosasync_write(scb->fd, str, len);
-}
-static void
-go32_close ()
-{
+ return 0;
}
static void
-go32_restore (scb)
+go32_close (scb)
serial_t scb;
{
}
go32_readchar,
go32_write,
go32_raw,
- go32_restore,
+ go32_get_tty_state,
+ go32_set_tty_state,
go32_setbaudrate
};