projects / libsigrok.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 UH |
28 | #include <glib.h> |
| 29 | ||
| d02a535e BV |
30 | #include "sigrok.h" |
| 31 | ||
| 32 | ||
| a1bb33af UH |
33 | |
| 34 | char *serial_port_glob[] = { | |
| 35 | /* Linux */ | |
| 36 | "/dev/ttyS*", | |
| 37 | "/dev/ttyUSB*", | |
| 38 | "/dev/ttyACM*", | |
| 39 | /* MacOS X */ | |
| 40 | "/dev/ttys*", | |
| 41 | "/dev/tty.USB-*", | |
| 42 | "/dev/tty.Modem-*", | |
| 43 | NULL | |
| 44 | }; | |
| 45 | ||
| 46 | ||
| 47 | GSList *list_serial_ports(void) | |
| 48 | { | |
| 49 | glob_t g; | |
| 50 | GSList *ports; | |
| afc8e4de | 51 | unsigned int i, j; |
| a1bb33af UH |
52 | |
| 53 | ports = NULL; | |
| 54 | for(i = 0; serial_port_glob[i]; i++) | |
| 55 | { | |
| 56 | if(!glob(serial_port_glob[i], 0, NULL, &g)) | |
| 57 | { | |
| 58 | for(j = 0; j < g.gl_pathc; j++) | |
| 54b38f64 | 59 | ports = g_slist_append(ports, strdup(g.gl_pathv[j])); |
| a1bb33af UH |
60 | globfree(&g); |
| 61 | } | |
| 62 | } | |
| 63 | ||
| 64 | return ports; | |
| 65 | } | |
| 66 | ||
| 67 | ||
| d02a535e BV |
68 | int serial_open(const char *pathname, int flags) |
| 69 | { | |
| 70 | ||
| 71 | return open(pathname, flags); | |
| 72 | } | |
| 73 | ||
| 74 | ||
| 75 | int serial_close(int fd) | |
| 76 | { | |
| 77 | ||
| 78 | return close(fd); | |
| 79 | } | |
| 80 | ||
| 81 | ||
| 82 | void *serial_backup_params(int fd) | |
| 83 | { | |
| 84 | struct termios *term; | |
| 85 | ||
| 86 | term = malloc(sizeof(struct termios)); | |
| 87 | tcgetattr(fd, term); | |
| 88 | ||
| 89 | return term; | |
| 90 | } | |
| 91 | ||
| 92 | ||
| 93 | void serial_restore_params(int fd, void *backup) | |
| 94 | { | |
| 95 | ||
| 96 | tcsetattr(fd, TCSADRAIN, (struct termios *) backup); | |
| 97 | ||
| 98 | } | |
| 99 | ||
| 100 | ||
| 101 | /* flowcontrol 1 = rts/cts 2 = xon/xoff */ | |
| 102 | int serial_set_params(int fd, int speed, int bits, int parity, int stopbits, int flowcontrol) | |
| 103 | { | |
| 104 | struct termios term; | |
| 105 | ||
| 106 | /* only supporting what we need really -- currently just the OLS driver */ | |
| 107 | if(speed != 115200 || bits != 8 || parity != 0 || stopbits != 1 || flowcontrol != 2) | |
| 108 | return SIGROK_ERR; | |
| 109 | ||
| 110 | if(tcgetattr(fd, &term) < 0) | |
| 111 | return SIGROK_ERR; | |
| 112 | if(cfsetispeed(&term, B115200) < 0) | |
| 113 | return SIGROK_ERR; | |
| 114 | term.c_cflag &= ~CSIZE; | |
| 115 | term.c_cflag |= CS8; | |
| 116 | term.c_cflag &= ~CSTOPB; | |
| 117 | term.c_cflag |= IXON | IXOFF; | |
| 118 | term.c_iflag |= IGNPAR; | |
| 119 | if(tcsetattr(fd, TCSADRAIN, &term) < 0) | |
| 120 | return SIGROK_ERR; | |
| 121 | ||
| 122 | return SIGROK_OK; | |
| 123 | } | |
| 124 | ||
| 125 |