jcs.org
fork of PCE focusing on macplus, supporting DaynaPort SCSI network emulation
1/*****************************************************************************
2 * pce *
3 *****************************************************************************/
4
5/*****************************************************************************
6 * File name: src/devices/slip.h *
7 * Created: 2004-12-15 by Hampa Hug <hampa@hampa.ch> *
8 * Copyright: (C) 2004-2009 Hampa Hug <hampa@hampa.ch> *
9 *****************************************************************************/
10
11/*****************************************************************************
12 * This program is free software. You can redistribute it and / or modify it *
13 * under the terms of the GNU General Public License version 2 as published *
14 * by the Free Software Foundation. *
15 * *
16 * This program is distributed in the hope that it will be useful, but *
17 * WITHOUT ANY WARRANTY, without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General *
19 * Public License for more details. *
20 *****************************************************************************/
21
22
23#ifndef PCE_DEVICES_SLIP_H
24#define PCE_DEVICES_SLIP_H 1
25
26
27#define PCE_SLIP_BUF_MAX 4096
28
29
30/* a packet buffer */
31typedef struct slip_buf_s {
32 struct slip_buf_s *next;
33 unsigned i;
34 unsigned n;
35 unsigned char buf[PCE_SLIP_BUF_MAX];
36} slip_buf_t;
37
38
39typedef struct {
40 unsigned out_cnt;
41 unsigned char out[PCE_SLIP_BUF_MAX];
42 char out_esc;
43
44 /* input packet queue */
45 slip_buf_t *inp_hd;
46 slip_buf_t *inp_tl;
47 unsigned inp_cnt;
48
49 int tun_fd;
50
51 char checking;
52
53 void *get_uint8_ext;
54 int (*get_uint8) (void *ext, unsigned char *val);
55
56 void *set_uint8_ext;
57 int (*set_uint8) (void *ext, unsigned char val);
58} slip_t;
59
60
61void slip_init (slip_t *slip);
62void slip_free (slip_t *slip);
63
64slip_t *slip_new (void);
65void slip_del (slip_t *slip);
66
67void slip_set_set_uint8_fct (slip_t *slip, void *ext, void *fct);
68void slip_set_get_uint8_fct (slip_t *slip, void *ext, void *fct);
69
70int slip_set_tun (slip_t *slip, const char *name);
71
72void slip_uart_check_out (slip_t *slip, unsigned char val);
73void slip_uart_check_inp (slip_t *slip, unsigned char val);
74
75void slip_clock (slip_t *slip, unsigned n);
76
77
78#endif