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Commit | Line | Data |
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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (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 General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <glob.h> | |
54b38f64 | 21 | #include <string.h> |
d02a535e BV |
22 | #include <sys/types.h> |
23 | #include <sys/stat.h> | |
24 | #include <fcntl.h> | |
25 | #include <unistd.h> | |
26 | #include <termios.h> | |
27 | #include <stdlib.h> | |
a1bb33af | 28 | #include <glib.h> |
986f7270 | 29 | #include <sigrok.h> |
a1bb33af UH |
30 | |
31 | char *serial_port_glob[] = { | |
32 | /* Linux */ | |
33 | "/dev/ttyS*", | |
34 | "/dev/ttyUSB*", | |
35 | "/dev/ttyACM*", | |
36 | /* MacOS X */ | |
37 | "/dev/ttys*", | |
38 | "/dev/tty.USB-*", | |
39 | "/dev/tty.Modem-*", | |
986f7270 | 40 | NULL, |
a1bb33af UH |
41 | }; |
42 | ||
a1bb33af UH |
43 | GSList *list_serial_ports(void) |
44 | { | |
45 | glob_t g; | |
46 | GSList *ports; | |
afc8e4de | 47 | unsigned int i, j; |
a1bb33af UH |
48 | |
49 | ports = NULL; | |
986f7270 UH |
50 | for (i = 0; serial_port_glob[i]; i++) { |
51 | if (!glob(serial_port_glob[i], 0, NULL, &g)) { | |
52 | for (j = 0; j < g.gl_pathc; j++) | |
53 | ports = g_slist_append(ports, | |
54 | strdup(g.gl_pathv[j])); | |
a1bb33af UH |
55 | globfree(&g); |
56 | } | |
57 | } | |
58 | ||
59 | return ports; | |
60 | } | |
61 | ||
d02a535e BV |
62 | int serial_open(const char *pathname, int flags) |
63 | { | |
d02a535e BV |
64 | return open(pathname, flags); |
65 | } | |
66 | ||
d02a535e BV |
67 | int serial_close(int fd) |
68 | { | |
d02a535e BV |
69 | return close(fd); |
70 | } | |
71 | ||
d02a535e BV |
72 | void *serial_backup_params(int fd) |
73 | { | |
74 | struct termios *term; | |
75 | ||
76 | term = malloc(sizeof(struct termios)); | |
77 | tcgetattr(fd, term); | |
78 | ||
79 | return term; | |
80 | } | |
81 | ||
d02a535e BV |
82 | void serial_restore_params(int fd, void *backup) |
83 | { | |
986f7270 | 84 | tcsetattr(fd, TCSADRAIN, (struct termios *)backup); |
d02a535e BV |
85 | } |
86 | ||
d02a535e | 87 | /* flowcontrol 1 = rts/cts 2 = xon/xoff */ |
986f7270 UH |
88 | int serial_set_params(int fd, int speed, int bits, int parity, int stopbits, |
89 | int flowcontrol) | |
d02a535e BV |
90 | { |
91 | struct termios term; | |
92 | ||
986f7270 UH |
93 | /* Only supporting what we need really, currently the OLS driver. */ |
94 | if (speed != 115200 || bits != 8 || parity != 0 || stopbits != 1 | |
95 | || flowcontrol != 2) | |
d02a535e BV |
96 | return SIGROK_ERR; |
97 | ||
986f7270 | 98 | if (tcgetattr(fd, &term) < 0) |
d02a535e | 99 | return SIGROK_ERR; |
986f7270 | 100 | if (cfsetispeed(&term, B115200) < 0) |
d02a535e BV |
101 | return SIGROK_ERR; |
102 | term.c_cflag &= ~CSIZE; | |
103 | term.c_cflag |= CS8; | |
104 | term.c_cflag &= ~CSTOPB; | |
105 | term.c_cflag |= IXON | IXOFF; | |
106 | term.c_iflag |= IGNPAR; | |
986f7270 | 107 | if (tcsetattr(fd, TCSADRAIN, &term) < 0) |
d02a535e BV |
108 | return SIGROK_ERR; |
109 | ||
110 | return SIGROK_OK; | |
111 | } |