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7a6d2196 ML |
1 | /* |
2 | * This file is part of the libserialport project. | |
3 | * | |
4 | * Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU Lesser General Public License as | |
8 | * published by the Free Software Foundation, either version 3 of the | |
9 | * License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <linux/termios.h> | |
21 | #include "linux_termios.h" | |
22 | ||
23 | int get_termios_get_ioctl(void) | |
24 | { | |
25 | #ifdef HAVE_TERMIOS2 | |
26 | return TCGETS2; | |
27 | #else | |
28 | return TCGETS; | |
29 | #endif | |
30 | } | |
31 | ||
32 | int get_termios_set_ioctl(void) | |
33 | { | |
34 | #ifdef HAVE_TERMIOS2 | |
35 | return TCSETS2; | |
36 | #else | |
37 | return TCSETS; | |
38 | #endif | |
39 | } | |
40 | ||
41 | int get_termios_size(void) | |
42 | { | |
43 | #ifdef HAVE_TERMIOS2 | |
44 | return sizeof(struct termios2); | |
45 | #else | |
46 | return sizeof(struct termios); | |
47 | #endif | |
48 | } | |
49 | ||
50 | int get_termios_speed(void *data) | |
51 | { | |
52 | #ifdef HAVE_TERMIOS2 | |
53 | struct termios2 *term = (struct termios2 *) data; | |
54 | #else | |
55 | struct termios *term = (struct termios *) data; | |
56 | #endif | |
57 | if (term->c_ispeed != term->c_ospeed) | |
58 | return -1; | |
59 | else | |
60 | return term->c_ispeed; | |
61 | } | |
62 | ||
63 | void set_termios_speed(void *data, int speed) | |
64 | { | |
65 | #ifdef HAVE_TERMIOS2 | |
66 | struct termios2 *term = (struct termios2 *) data; | |
67 | #else | |
68 | struct termios *term = (struct termios *) data; | |
69 | #endif | |
70 | term->c_cflag &= ~CBAUD; | |
71 | term->c_cflag |= BOTHER; | |
72 | term->c_ispeed = term->c_ospeed = speed; | |
73 | } | |
40978c2b ML |
74 | |
75 | #ifdef HAVE_TERMIOX | |
76 | int get_termiox_size(void) | |
77 | { | |
78 | return sizeof(struct termiox); | |
79 | } | |
80 | ||
81 | int get_termiox_flow(void *data) | |
82 | { | |
83 | struct termiox *termx = (struct termiox *) data; | |
84 | ||
85 | int flags = 0; | |
86 | if (termx->x_cflag & RTSXOFF) | |
87 | flags |= RTS_FLOW; | |
88 | if (termx->x_cflag & CTSXON) | |
89 | flags |= CTS_FLOW; | |
90 | if (termx->x_cflag & DTRXOFF) | |
91 | flags |= DTR_FLOW; | |
92 | if (termx->x_cflag & DSRXON) | |
93 | flags |= DSR_FLOW; | |
94 | ||
95 | return flags; | |
96 | } | |
97 | ||
98 | void set_termiox_flow(void *data, int flags) | |
99 | { | |
100 | struct termiox *termx = (struct termiox *) data; | |
101 | ||
102 | termx->x_cflag &= ~(RTSXOFF | CTSXON | DTRXOFF | DSRXON); | |
103 | ||
104 | if (flags & RTS_FLOW) | |
105 | termx->x_cflag |= RTSXOFF; | |
106 | if (flags & CTS_FLOW) | |
107 | termx->x_cflag |= CTSXON; | |
108 | if (flags & DTR_FLOW) | |
109 | termx->x_cflag |= DTRXOFF; | |
110 | if (flags & DSR_FLOW) | |
111 | termx->x_cflag |= DSRXON; | |
112 | } | |
113 | #endif |