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Commit | Line | Data |
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74510d4b ML |
1 | /* |
2 | * This file is part of the libserialport project. | |
3 | * | |
4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | * Copyright (C) 2010-2012 Uwe Hermann <uwe@hermann-uwe.de> | |
6 | * Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li> | |
31b3a8f5 | 7 | * Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz> |
74510d4b ML |
8 | * |
9 | * This program is free software: you can redistribute it and/or modify | |
10 | * it under the terms of the GNU Lesser General Public License as | |
11 | * published by the Free Software Foundation, either version 3 of the | |
12 | * License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public License | |
20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #include <string.h> | |
24 | #include <sys/types.h> | |
25 | #include <sys/stat.h> | |
26 | #include <fcntl.h> | |
27 | #include <unistd.h> | |
3b63f34d ML |
28 | #include <stdlib.h> |
29 | #include <errno.h> | |
863b35e6 ML |
30 | #include <stdio.h> |
31 | #include <stdarg.h> | |
74510d4b ML |
32 | #ifdef _WIN32 |
33 | #include <windows.h> | |
3b63f34d | 34 | #include <tchar.h> |
767c5ba8 | 35 | #include <stdio.h> |
74510d4b | 36 | #else |
74510d4b ML |
37 | #include <termios.h> |
38 | #include <sys/ioctl.h> | |
39 | #endif | |
3b63f34d | 40 | #ifdef __APPLE__ |
1ebf4347 ML |
41 | #include <IOKit/IOKitLib.h> |
42 | #include <IOKit/serial/IOSerialKeys.h> | |
31b3a8f5 | 43 | #include <IOKit/serial/ioss.h> |
1ebf4347 | 44 | #include <sys/syslimits.h> |
3b63f34d ML |
45 | #endif |
46 | #ifdef __linux__ | |
47 | #include "libudev.h" | |
4b97c9fc | 48 | #include "linux/serial.h" |
7a6d2196 | 49 | #include "linux_termios.h" |
40978c2b | 50 | #if defined(TCGETX) && defined(TCSETX) && defined(HAVE_TERMIOX) |
68ec29db | 51 | #define USE_TERMIOX |
40978c2b | 52 | #endif |
3b63f34d | 53 | #endif |
74510d4b | 54 | |
71c8a9b9 UH |
55 | #ifndef _WIN32 |
56 | #include "linux_termios.h" | |
57 | #endif | |
58 | ||
f6a1fb65 | 59 | #include "libserialport.h" |
74510d4b | 60 | |
1c5aae9d ML |
61 | struct sp_port { |
62 | char *name; | |
63 | #ifdef _WIN32 | |
64 | HANDLE hdl; | |
65 | #else | |
66 | int fd; | |
67 | #endif | |
68 | }; | |
69 | ||
8f189c4c | 70 | struct port_data { |
8094e4a0 ML |
71 | #ifdef _WIN32 |
72 | DCB dcb; | |
73 | #else | |
74 | struct termios term; | |
824dcb45 | 75 | int controlbits; |
68ec29db | 76 | int termiox_supported; |
40978c2b ML |
77 | int flow; |
78 | #endif | |
8094e4a0 ML |
79 | }; |
80 | ||
da2748bf ML |
81 | /* Standard baud rates. */ |
82 | #ifdef _WIN32 | |
83 | #define BAUD_TYPE DWORD | |
84 | #define BAUD(n) {CBR_##n, n} | |
85 | #else | |
86 | #define BAUD_TYPE speed_t | |
87 | #define BAUD(n) {B##n, n} | |
88 | #endif | |
89 | ||
90 | struct std_baudrate { | |
91 | BAUD_TYPE index; | |
92 | int value; | |
93 | }; | |
94 | ||
95 | const struct std_baudrate std_baudrates[] = { | |
96 | #ifdef _WIN32 | |
97 | /* | |
98 | * The baudrates 50/75/134/150/200/1800/230400/460800 do not seem to | |
99 | * have documented CBR_* macros. | |
100 | */ | |
101 | BAUD(110), BAUD(300), BAUD(600), BAUD(1200), BAUD(2400), BAUD(4800), | |
102 | BAUD(9600), BAUD(14400), BAUD(19200), BAUD(38400), BAUD(57600), | |
eac329d2 | 103 | BAUD(115200), BAUD(128000), BAUD(256000), |
da2748bf | 104 | #else |
eac329d2 UH |
105 | BAUD(50), BAUD(75), BAUD(110), BAUD(134), BAUD(150), BAUD(200), |
106 | BAUD(300), BAUD(600), BAUD(1200), BAUD(1800), BAUD(2400), BAUD(4800), | |
107 | BAUD(9600), BAUD(19200), BAUD(38400), BAUD(57600), BAUD(115200), | |
108 | BAUD(230400), | |
da2748bf | 109 | #if !defined(__APPLE__) && !defined(__OpenBSD__) |
eac329d2 | 110 | BAUD(460800), |
da2748bf ML |
111 | #endif |
112 | #endif | |
113 | }; | |
114 | ||
863b35e6 ML |
115 | void (*sp_debug_handler)(const char *format, ...) = sp_default_debug_handler; |
116 | ||
da2748bf ML |
117 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) |
118 | #define NUM_STD_BAUDRATES ARRAY_SIZE(std_baudrates) | |
119 | ||
92f756f8 ML |
120 | /* Debug output macros. */ |
121 | #define DEBUG(fmt, ...) do { if (sp_debug_handler) sp_debug_handler(fmt ".\n", ##__VA_ARGS__); } while (0) | |
122 | #define DEBUG_ERROR(err, msg) DEBUG("%s returning " #err ": " msg, __func__) | |
123 | #define DEBUG_FAIL(msg) do { \ | |
124 | char *errmsg = sp_last_error_message(); \ | |
125 | DEBUG("%s returning SP_ERR_FAIL: " msg ": %s", __func__, errmsg); \ | |
126 | sp_free_error_message(errmsg); \ | |
127 | } while (0); | |
128 | #define RETURN() do { DEBUG("%s returning", __func__); return; } while(0) | |
129 | #define RETURN_CODE(x) do { DEBUG("%s returning " #x, __func__); return x; } while (0) | |
130 | #define RETURN_CODEVAL(x) do { \ | |
131 | switch (x) { \ | |
132 | case SP_OK: RETURN_CODE(SP_OK); \ | |
133 | case SP_ERR_ARG: RETURN_CODE(SP_ERR_ARG); \ | |
134 | case SP_ERR_FAIL: RETURN_CODE(SP_ERR_FAIL); \ | |
135 | case SP_ERR_MEM: RETURN_CODE(SP_ERR_MEM); \ | |
136 | case SP_ERR_SUPP: RETURN_CODE(SP_ERR_SUPP); \ | |
137 | } \ | |
138 | } while (0) | |
139 | #define RETURN_OK() RETURN_CODE(SP_OK); | |
140 | #define RETURN_ERROR(err, msg) do { DEBUG_ERROR(err, msg); return err; } while (0) | |
141 | #define RETURN_FAIL(msg) do { DEBUG_FAIL(msg); return SP_ERR_FAIL; } while (0) | |
142 | #define RETURN_VALUE(fmt, x) do { DEBUG("%s returning " fmt, __func__, x); return x; } while (0) | |
143 | #define SET_ERROR(val, err, msg) do { DEBUG_ERROR(err, msg); val = err; } while (0) | |
144 | #define SET_FAIL(val, msg) do { DEBUG_FAIL(msg); val = err; } while (0) | |
145 | #define TRACE(fmt, ...) DEBUG("%s(" fmt ") called", __func__, ##__VA_ARGS__) | |
146 | ||
64690702 ML |
147 | #define TRY(x) do { int ret = x; if (ret != SP_OK) RETURN_CODEVAL(ret); } while (0) |
148 | ||
348e23cc | 149 | /* Helper functions. */ |
348e23cc | 150 | static struct sp_port **list_append(struct sp_port **list, const char *portname); |
eb6ed20f ML |
151 | static enum sp_return get_config(struct sp_port *port, struct port_data *data, |
152 | struct sp_port_config *config); | |
153 | static enum sp_return set_config(struct sp_port *port, struct port_data *data, | |
154 | const struct sp_port_config *config); | |
80186526 | 155 | |
eb6ed20f | 156 | enum sp_return sp_get_port_by_name(const char *portname, struct sp_port **port_ptr) |
d54e9004 ML |
157 | { |
158 | struct sp_port *port; | |
5919c913 | 159 | int len; |
d54e9004 | 160 | |
c33efc48 ML |
161 | TRACE("%s, %p", portname, port_ptr); |
162 | ||
32b5ac05 | 163 | if (!port_ptr) |
c33efc48 | 164 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); |
32b5ac05 | 165 | |
77f262c4 ML |
166 | *port_ptr = NULL; |
167 | ||
d4babed2 | 168 | if (!portname) |
c33efc48 | 169 | RETURN_ERROR(SP_ERR_ARG, "Null port name"); |
d4babed2 | 170 | |
ea667be7 ML |
171 | DEBUG("Building structure for port %s", portname); |
172 | ||
d54e9004 | 173 | if (!(port = malloc(sizeof(struct sp_port)))) |
c33efc48 | 174 | RETURN_ERROR(SP_ERR_MEM, "Port structure malloc failed"); |
d54e9004 | 175 | |
5919c913 ML |
176 | len = strlen(portname) + 1; |
177 | ||
eac329d2 | 178 | if (!(port->name = malloc(len))) { |
d54e9004 | 179 | free(port); |
c33efc48 | 180 | RETURN_ERROR(SP_ERR_MEM, "Port name malloc failed"); |
d54e9004 ML |
181 | } |
182 | ||
183 | memcpy(port->name, portname, len); | |
184 | ||
8f471c66 ML |
185 | #ifdef _WIN32 |
186 | port->hdl = INVALID_HANDLE_VALUE; | |
187 | #else | |
188 | port->fd = -1; | |
189 | #endif | |
190 | ||
77f262c4 ML |
191 | *port_ptr = port; |
192 | ||
c33efc48 | 193 | RETURN_OK(); |
d54e9004 ML |
194 | } |
195 | ||
1c5aae9d ML |
196 | char *sp_get_port_name(const struct sp_port *port) |
197 | { | |
198 | TRACE("%p", port); | |
199 | ||
200 | if (!port) | |
201 | return NULL; | |
202 | ||
203 | RETURN_VALUE("%s", port->name); | |
204 | } | |
205 | ||
eb6ed20f | 206 | enum sp_return sp_copy_port(const struct sp_port *port, struct sp_port **copy_ptr) |
32b5ac05 | 207 | { |
c33efc48 ML |
208 | TRACE("%p, %p", port, copy_ptr); |
209 | ||
32b5ac05 | 210 | if (!copy_ptr) |
c33efc48 | 211 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); |
32b5ac05 ML |
212 | |
213 | *copy_ptr = NULL; | |
214 | ||
c33efc48 ML |
215 | if (!port) |
216 | RETURN_ERROR(SP_ERR_ARG, "Null port"); | |
217 | ||
218 | if (!port->name) | |
219 | RETURN_ERROR(SP_ERR_ARG, "Null port name"); | |
32b5ac05 | 220 | |
ea667be7 ML |
221 | DEBUG("Copying port structure"); |
222 | ||
c33efc48 | 223 | RETURN_VALUE("%p", sp_get_port_by_name(port->name, copy_ptr)); |
32b5ac05 ML |
224 | } |
225 | ||
e3b2f7a4 ML |
226 | void sp_free_port(struct sp_port *port) |
227 | { | |
c33efc48 ML |
228 | TRACE("%p", port); |
229 | ||
e3b2f7a4 | 230 | if (!port) |
c33efc48 ML |
231 | { |
232 | DEBUG("Null port"); | |
233 | RETURN(); | |
234 | } | |
e3b2f7a4 | 235 | |
ea667be7 ML |
236 | DEBUG("Freeing port structure"); |
237 | ||
e3b2f7a4 ML |
238 | if (port->name) |
239 | free(port->name); | |
240 | ||
241 | free(port); | |
c33efc48 ML |
242 | |
243 | RETURN(); | |
e3b2f7a4 ML |
244 | } |
245 | ||
348e23cc | 246 | static struct sp_port **list_append(struct sp_port **list, const char *portname) |
3b63f34d ML |
247 | { |
248 | void *tmp; | |
249 | unsigned int count; | |
f92f1f0c | 250 | |
3b63f34d | 251 | for (count = 0; list[count]; count++); |
d54e9004 | 252 | if (!(tmp = realloc(list, sizeof(struct sp_port *) * (count + 2)))) |
3b63f34d ML |
253 | goto fail; |
254 | list = tmp; | |
77f262c4 | 255 | if (sp_get_port_by_name(portname, &list[count]) != SP_OK) |
3b63f34d | 256 | goto fail; |
db2794ce | 257 | list[count + 1] = NULL; |
3b63f34d | 258 | return list; |
f92f1f0c | 259 | |
3b63f34d ML |
260 | fail: |
261 | sp_free_port_list(list); | |
262 | return NULL; | |
263 | } | |
264 | ||
eb6ed20f | 265 | enum sp_return sp_list_ports(struct sp_port ***list_ptr) |
3b63f34d | 266 | { |
d54e9004 | 267 | struct sp_port **list; |
6b93ede4 | 268 | int ret = SP_ERR_SUPP; |
24c1a4bb | 269 | |
c33efc48 ML |
270 | TRACE("%p", list_ptr); |
271 | ||
dec10e31 ML |
272 | if (!list_ptr) |
273 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); | |
274 | ||
ea667be7 ML |
275 | DEBUG("Enumerating ports"); |
276 | ||
d54e9004 | 277 | if (!(list = malloc(sizeof(struct sp_port **)))) |
c33efc48 | 278 | RETURN_ERROR(SP_ERR_MEM, "Port list malloc failed"); |
24c1a4bb ML |
279 | |
280 | list[0] = NULL; | |
3b63f34d ML |
281 | |
282 | #ifdef _WIN32 | |
283 | HKEY key; | |
bdfb5b8c ML |
284 | TCHAR *value, *data; |
285 | DWORD max_value_len, max_data_size, max_data_len; | |
286 | DWORD value_len, data_size, data_len; | |
3b63f34d | 287 | DWORD type, index = 0; |
8b532d9c ML |
288 | char *name; |
289 | int name_len; | |
3b63f34d | 290 | |
6b93ede4 ML |
291 | ret = SP_OK; |
292 | ||
ea667be7 | 293 | DEBUG("Opening registry key"); |
3b63f34d | 294 | if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("HARDWARE\\DEVICEMAP\\SERIALCOMM"), |
eac329d2 | 295 | 0, KEY_QUERY_VALUE, &key) != ERROR_SUCCESS) { |
c33efc48 | 296 | SET_FAIL(ret, "RegOpenKeyEx() failed"); |
77f262c4 ML |
297 | goto out_done; |
298 | } | |
ea667be7 | 299 | DEBUG("Querying registry key value and data sizes"); |
3b63f34d | 300 | if (RegQueryInfoKey(key, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
eac329d2 | 301 | &max_value_len, &max_data_size, NULL, NULL) != ERROR_SUCCESS) { |
c33efc48 | 302 | SET_FAIL(ret, "RegQueryInfoKey() failed"); |
3b63f34d | 303 | goto out_close; |
77f262c4 | 304 | } |
3b63f34d | 305 | max_data_len = max_data_size / sizeof(TCHAR); |
eac329d2 | 306 | if (!(value = malloc((max_value_len + 1) * sizeof(TCHAR)))) { |
c33efc48 | 307 | SET_ERROR(ret, SP_ERR_MEM, "registry value malloc failed"); |
3b63f34d | 308 | goto out_close; |
77f262c4 | 309 | } |
eac329d2 | 310 | if (!(data = malloc((max_data_len + 1) * sizeof(TCHAR)))) { |
c33efc48 | 311 | SET_ERROR(ret, SP_ERR_MEM, "registry data malloc failed"); |
bdfb5b8c | 312 | goto out_free_value; |
77f262c4 | 313 | } |
ea667be7 | 314 | DEBUG("Iterating over values"); |
3b63f34d | 315 | while ( |
d9573bad | 316 | value_len = max_value_len + 1, |
3b63f34d | 317 | data_size = max_data_size, |
bdfb5b8c | 318 | RegEnumValue(key, index, value, &value_len, |
3b63f34d ML |
319 | NULL, &type, (LPBYTE)data, &data_size) == ERROR_SUCCESS) |
320 | { | |
321 | data_len = data_size / sizeof(TCHAR); | |
322 | data[data_len] = '\0'; | |
8b532d9c ML |
323 | #ifdef UNICODE |
324 | name_len = WideCharToMultiByte(CP_ACP, 0, data, -1, NULL, 0, NULL, NULL) | |
325 | #else | |
326 | name_len = data_len + 1; | |
327 | #endif | |
eac329d2 | 328 | if (!(name = malloc(name_len))) { |
c33efc48 | 329 | SET_ERROR(ret, SP_ERR_MEM, "registry port name malloc failed"); |
8b532d9c | 330 | goto out; |
77f262c4 | 331 | } |
8b532d9c ML |
332 | #ifdef UNICODE |
333 | WideCharToMultiByte(CP_ACP, 0, data, -1, name, name_len, NULL, NULL); | |
334 | #else | |
335 | strcpy(name, data); | |
336 | #endif | |
c33efc48 ML |
337 | if (type == REG_SZ) { |
338 | DEBUG("Found port %s", name); | |
339 | if (!(list = list_append(list, name))) { | |
340 | SET_ERROR(ret, SP_ERR_MEM, "list append failed"); | |
341 | goto out; | |
342 | } | |
77f262c4 | 343 | } |
3b63f34d ML |
344 | index++; |
345 | } | |
346 | out: | |
347 | free(data); | |
bdfb5b8c ML |
348 | out_free_value: |
349 | free(value); | |
3b63f34d ML |
350 | out_close: |
351 | RegCloseKey(key); | |
77f262c4 | 352 | out_done: |
3b63f34d ML |
353 | #endif |
354 | #ifdef __APPLE__ | |
355 | mach_port_t master; | |
356 | CFMutableDictionaryRef classes; | |
357 | io_iterator_t iter; | |
358 | char *path; | |
359 | io_object_t port; | |
360 | CFTypeRef cf_path; | |
361 | Boolean result; | |
362 | ||
6b93ede4 ML |
363 | ret = SP_OK; |
364 | ||
ea667be7 | 365 | DEBUG("Getting IOKit master port"); |
eac329d2 | 366 | if (IOMasterPort(MACH_PORT_NULL, &master) != KERN_SUCCESS) { |
c33efc48 | 367 | SET_FAIL(ret, "IOMasterPort() failed"); |
77f262c4 ML |
368 | goto out_done; |
369 | } | |
3b63f34d | 370 | |
ea667be7 | 371 | DEBUG("Creating matching dictionary"); |
eac329d2 | 372 | if (!(classes = IOServiceMatching(kIOSerialBSDServiceValue))) { |
c33efc48 | 373 | SET_FAIL(ret, "IOServiceMatching() failed"); |
77f262c4 ML |
374 | goto out_done; |
375 | } | |
3b63f34d ML |
376 | |
377 | CFDictionarySetValue(classes, | |
378 | CFSTR(kIOSerialBSDTypeKey), CFSTR(kIOSerialBSDAllTypes)); | |
379 | ||
ea667be7 | 380 | DEBUG("Getting matching services"); |
eac329d2 | 381 | if (IOServiceGetMatchingServices(master, classes, &iter) != KERN_SUCCESS) { |
c33efc48 | 382 | SET_FAIL(ret, "IOServiceGetMatchingServices() failed"); |
77f262c4 ML |
383 | goto out_done; |
384 | } | |
3b63f34d | 385 | |
eac329d2 | 386 | if (!(path = malloc(PATH_MAX))) { |
c33efc48 | 387 | SET_ERROR(ret, SP_ERR_MEM, "device path malloc failed"); |
3b63f34d | 388 | goto out_release; |
77f262c4 | 389 | } |
3b63f34d | 390 | |
ea667be7 | 391 | DEBUG("Iterating over results"); |
1ebf4347 | 392 | while ((port = IOIteratorNext(iter))) { |
3b63f34d ML |
393 | cf_path = IORegistryEntryCreateCFProperty(port, |
394 | CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0); | |
395 | if (cf_path) { | |
396 | result = CFStringGetCString(cf_path, | |
397 | path, PATH_MAX, kCFStringEncodingASCII); | |
398 | CFRelease(cf_path); | |
c33efc48 ML |
399 | if (result) { |
400 | DEBUG("Found port %s", path); | |
401 | if (!(list = list_append(list, path))) { | |
402 | SET_ERROR(ret, SP_ERR_MEM, "list append failed"); | |
403 | IOObjectRelease(port); | |
404 | goto out; | |
405 | } | |
77f262c4 | 406 | } |
3b63f34d ML |
407 | } |
408 | IOObjectRelease(port); | |
409 | } | |
3b63f34d ML |
410 | out: |
411 | free(path); | |
412 | out_release: | |
413 | IOObjectRelease(iter); | |
77f262c4 | 414 | out_done: |
3b63f34d ML |
415 | #endif |
416 | #ifdef __linux__ | |
417 | struct udev *ud; | |
418 | struct udev_enumerate *ud_enumerate; | |
419 | struct udev_list_entry *ud_list; | |
420 | struct udev_list_entry *ud_entry; | |
421 | const char *path; | |
08fe0bdb | 422 | struct udev_device *ud_dev, *ud_parent; |
3b63f34d | 423 | const char *name; |
4b97c9fc ML |
424 | const char *driver; |
425 | int fd, ioctl_result; | |
426 | struct serial_struct serial_info; | |
3b63f34d | 427 | |
6b93ede4 ML |
428 | ret = SP_OK; |
429 | ||
ea667be7 | 430 | DEBUG("Enumerating tty devices"); |
3b63f34d ML |
431 | ud = udev_new(); |
432 | ud_enumerate = udev_enumerate_new(ud); | |
433 | udev_enumerate_add_match_subsystem(ud_enumerate, "tty"); | |
434 | udev_enumerate_scan_devices(ud_enumerate); | |
435 | ud_list = udev_enumerate_get_list_entry(ud_enumerate); | |
ea667be7 | 436 | DEBUG("Iterating over results"); |
eac329d2 | 437 | udev_list_entry_foreach(ud_entry, ud_list) { |
3b63f34d | 438 | path = udev_list_entry_get_name(ud_entry); |
ea667be7 | 439 | DEBUG("Found device %s", path); |
3b63f34d | 440 | ud_dev = udev_device_new_from_syspath(ud, path); |
08fe0bdb ML |
441 | /* If there is no parent device, this is a virtual tty. */ |
442 | ud_parent = udev_device_get_parent(ud_dev); | |
eac329d2 | 443 | if (ud_parent == NULL) { |
ea667be7 | 444 | DEBUG("No parent device, assuming virtual tty"); |
08fe0bdb ML |
445 | udev_device_unref(ud_dev); |
446 | continue; | |
447 | } | |
3b63f34d | 448 | name = udev_device_get_devnode(ud_dev); |
4b97c9fc ML |
449 | /* The serial8250 driver has a hardcoded number of ports. |
450 | * The only way to tell which actually exist on a given system | |
451 | * is to try to open them and make an ioctl call. */ | |
452 | driver = udev_device_get_driver(ud_parent); | |
eac329d2 | 453 | if (driver && !strcmp(driver, "serial8250")) { |
ea667be7 ML |
454 | DEBUG("serial8250 device, attempting to open"); |
455 | if ((fd = open(name, O_RDWR | O_NONBLOCK | O_NOCTTY)) < 0) { | |
456 | DEBUG("open failed, skipping"); | |
4b97c9fc | 457 | goto skip; |
ea667be7 | 458 | } |
4b97c9fc ML |
459 | ioctl_result = ioctl(fd, TIOCGSERIAL, &serial_info); |
460 | close(fd); | |
ea667be7 ML |
461 | if (ioctl_result != 0) { |
462 | DEBUG("ioctl failed, skipping"); | |
4b97c9fc | 463 | goto skip; |
ea667be7 ML |
464 | } |
465 | if (serial_info.type == PORT_UNKNOWN) { | |
466 | DEBUG("port type is unknown, skipping"); | |
4b97c9fc | 467 | goto skip; |
ea667be7 | 468 | } |
4b97c9fc | 469 | } |
c33efc48 | 470 | DEBUG("Found port %s", name); |
348e23cc | 471 | list = list_append(list, name); |
4b97c9fc | 472 | skip: |
3b63f34d | 473 | udev_device_unref(ud_dev); |
eac329d2 | 474 | if (!list) { |
c33efc48 | 475 | SET_ERROR(ret, SP_ERR_MEM, "list append failed"); |
3b63f34d | 476 | goto out; |
77f262c4 | 477 | } |
3b63f34d ML |
478 | } |
479 | out: | |
480 | udev_enumerate_unref(ud_enumerate); | |
481 | udev_unref(ud); | |
3b63f34d | 482 | #endif |
77f262c4 | 483 | |
6b93ede4 ML |
484 | switch (ret) { |
485 | case SP_OK: | |
77f262c4 | 486 | *list_ptr = list; |
c33efc48 | 487 | RETURN_OK(); |
6b93ede4 ML |
488 | case SP_ERR_SUPP: |
489 | DEBUG_ERROR(SP_ERR_SUPP, "Enumeration not supported on this platform."); | |
490 | default: | |
77f262c4 ML |
491 | if (list) |
492 | sp_free_port_list(list); | |
77f262c4 | 493 | *list_ptr = NULL; |
c33efc48 | 494 | return ret; |
77f262c4 | 495 | } |
3b63f34d ML |
496 | } |
497 | ||
d54e9004 | 498 | void sp_free_port_list(struct sp_port **list) |
3b63f34d ML |
499 | { |
500 | unsigned int i; | |
f92f1f0c | 501 | |
c33efc48 ML |
502 | TRACE("%p", list); |
503 | ||
dec10e31 ML |
504 | if (!list) { |
505 | DEBUG("Null list"); | |
506 | RETURN(); | |
507 | } | |
508 | ||
ea667be7 ML |
509 | DEBUG("Freeing port list"); |
510 | ||
3b63f34d | 511 | for (i = 0; list[i]; i++) |
e3b2f7a4 | 512 | sp_free_port(list[i]); |
3b63f34d | 513 | free(list); |
c33efc48 ML |
514 | |
515 | RETURN(); | |
3b63f34d ML |
516 | } |
517 | ||
c33efc48 ML |
518 | #define CHECK_PORT() do { \ |
519 | if (port == NULL) \ | |
520 | RETURN_ERROR(SP_ERR_ARG, "Null port"); \ | |
dec10e31 ML |
521 | if (port->name == NULL) \ |
522 | RETURN_ERROR(SP_ERR_ARG, "Null port name"); \ | |
523 | } while (0) | |
524 | #ifdef _WIN32 | |
525 | #define CHECK_PORT_HANDLE() do { \ | |
c33efc48 ML |
526 | if (port->hdl == INVALID_HANDLE_VALUE) \ |
527 | RETURN_ERROR(SP_ERR_ARG, "Invalid port handle"); \ | |
dec10e31 | 528 | } while (0) |
74510d4b | 529 | #else |
dec10e31 | 530 | #define CHECK_PORT_HANDLE() do { \ |
c33efc48 ML |
531 | if (port->fd < 0) \ |
532 | RETURN_ERROR(SP_ERR_ARG, "Invalid port fd"); \ | |
dec10e31 | 533 | } while (0) |
74510d4b | 534 | #endif |
dec10e31 ML |
535 | #define CHECK_OPEN_PORT() do { \ |
536 | CHECK_PORT(); \ | |
537 | CHECK_PORT_HANDLE(); \ | |
538 | } while (0) | |
74510d4b | 539 | |
eb6ed20f | 540 | enum sp_return sp_open(struct sp_port *port, enum sp_mode flags) |
74510d4b | 541 | { |
c33efc48 ML |
542 | TRACE("%p, %x", port, flags); |
543 | ||
dec10e31 ML |
544 | CHECK_PORT(); |
545 | ||
546 | if (flags > (SP_MODE_READ | SP_MODE_WRITE | SP_MODE_NONBLOCK)) | |
547 | RETURN_ERROR(SP_ERR_ARG, "Invalid flags"); | |
74510d4b | 548 | |
ea667be7 ML |
549 | DEBUG("Opening port %s", port->name); |
550 | ||
74510d4b ML |
551 | #ifdef _WIN32 |
552 | DWORD desired_access = 0, flags_and_attributes = 0; | |
99945a1f ML |
553 | char *escaped_port_name; |
554 | ||
555 | /* Prefix port name with '\\.\' to work with ports above COM9. */ | |
556 | if (!(escaped_port_name = malloc(strlen(port->name + 5)))) | |
c33efc48 | 557 | RETURN_ERROR(SP_ERR_MEM, "Escaped port name malloc failed"); |
99945a1f ML |
558 | sprintf(escaped_port_name, "\\\\.\\%s", port->name); |
559 | ||
74510d4b | 560 | /* Map 'flags' to the OS-specific settings. */ |
74510d4b | 561 | flags_and_attributes = FILE_ATTRIBUTE_NORMAL; |
a036341b ML |
562 | if (flags & SP_MODE_READ) |
563 | desired_access |= GENERIC_READ; | |
564 | if (flags & SP_MODE_WRITE) | |
74510d4b ML |
565 | desired_access |= GENERIC_WRITE; |
566 | if (flags & SP_MODE_NONBLOCK) | |
567 | flags_and_attributes |= FILE_FLAG_OVERLAPPED; | |
568 | ||
99945a1f | 569 | port->hdl = CreateFile(escaped_port_name, desired_access, 0, 0, |
74510d4b | 570 | OPEN_EXISTING, flags_and_attributes, 0); |
99945a1f ML |
571 | |
572 | free(escaped_port_name); | |
573 | ||
74510d4b | 574 | if (port->hdl == INVALID_HANDLE_VALUE) |
c33efc48 | 575 | RETURN_FAIL("CreateFile() failed"); |
74510d4b ML |
576 | #else |
577 | int flags_local = 0; | |
8f189c4c | 578 | struct port_data data; |
e33ab9aa ML |
579 | struct sp_port_config config; |
580 | int ret; | |
f92f1f0c | 581 | |
74510d4b | 582 | /* Map 'flags' to the OS-specific settings. */ |
a036341b | 583 | if (flags & (SP_MODE_READ | SP_MODE_WRITE)) |
74510d4b | 584 | flags_local |= O_RDWR; |
a036341b | 585 | else if (flags & SP_MODE_READ) |
74510d4b | 586 | flags_local |= O_RDONLY; |
a036341b ML |
587 | else if (flags & SP_MODE_WRITE) |
588 | flags_local |= O_WRONLY; | |
74510d4b ML |
589 | if (flags & SP_MODE_NONBLOCK) |
590 | flags_local |= O_NONBLOCK; | |
591 | ||
592 | if ((port->fd = open(port->name, flags_local)) < 0) | |
c33efc48 | 593 | RETURN_FAIL("open() failed"); |
9cb98459 | 594 | |
e33ab9aa ML |
595 | ret = get_config(port, &data, &config); |
596 | ||
eac329d2 | 597 | if (ret < 0) { |
e33ab9aa | 598 | sp_close(port); |
c33efc48 | 599 | RETURN_CODEVAL(ret); |
e33ab9aa | 600 | } |
9cb98459 ML |
601 | |
602 | /* Turn off all serial port cooking. */ | |
603 | data.term.c_iflag &= ~(ISTRIP | INLCR | ICRNL); | |
604 | data.term.c_oflag &= ~(ONLCR | OCRNL | ONOCR); | |
605 | #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) | |
606 | data.term.c_oflag &= ~OFILL; | |
607 | #endif | |
608 | /* Disable canonical mode, and don't echo input characters. */ | |
609 | data.term.c_lflag &= ~(ICANON | ECHO); | |
610 | ||
611 | /* Ignore modem status lines; enable receiver */ | |
612 | data.term.c_cflag |= (CLOCAL | CREAD); | |
613 | ||
e33ab9aa ML |
614 | ret = set_config(port, &data, &config); |
615 | ||
eac329d2 | 616 | if (ret < 0) { |
e33ab9aa | 617 | sp_close(port); |
c33efc48 | 618 | RETURN_CODEVAL(ret); |
e33ab9aa | 619 | } |
74510d4b ML |
620 | #endif |
621 | ||
c33efc48 | 622 | RETURN_OK(); |
74510d4b ML |
623 | } |
624 | ||
eb6ed20f | 625 | enum sp_return sp_close(struct sp_port *port) |
74510d4b | 626 | { |
c33efc48 ML |
627 | TRACE("%p", port); |
628 | ||
dec10e31 | 629 | CHECK_OPEN_PORT(); |
74510d4b | 630 | |
ea667be7 ML |
631 | DEBUG("Closing port %s", port->name); |
632 | ||
74510d4b ML |
633 | #ifdef _WIN32 |
634 | /* Returns non-zero upon success, 0 upon failure. */ | |
635 | if (CloseHandle(port->hdl) == 0) | |
c33efc48 | 636 | RETURN_FAIL("CloseHandle() failed"); |
8f471c66 | 637 | port->hdl = INVALID_HANDLE_VALUE; |
74510d4b ML |
638 | #else |
639 | /* Returns 0 upon success, -1 upon failure. */ | |
640 | if (close(port->fd) == -1) | |
c33efc48 | 641 | RETURN_FAIL("close() failed"); |
8f471c66 | 642 | port->fd = -1; |
74510d4b ML |
643 | #endif |
644 | ||
c33efc48 | 645 | RETURN_OK(); |
74510d4b ML |
646 | } |
647 | ||
fd8fd11a | 648 | enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers) |
74510d4b | 649 | { |
c33efc48 ML |
650 | TRACE("%p, %x", port, buffers); |
651 | ||
dec10e31 ML |
652 | CHECK_OPEN_PORT(); |
653 | ||
654 | if (buffers > SP_BUF_BOTH) | |
655 | RETURN_ERROR(SP_ERR_ARG, "Invalid buffer selection"); | |
74510d4b | 656 | |
ea667be7 ML |
657 | const char *buffer_names[] = {"input", "output", "both"}; |
658 | ||
659 | DEBUG("Flushing %s buffers on port %s", buffer_names[buffers], port->name); | |
660 | ||
74510d4b | 661 | #ifdef _WIN32 |
fd8fd11a ML |
662 | DWORD flags = 0; |
663 | if (buffers & SP_BUF_INPUT) | |
664 | flags |= PURGE_RXCLEAR; | |
665 | if (buffers & SP_BUF_OUTPUT) | |
666 | flags |= PURGE_TXCLEAR; | |
667 | ||
74510d4b | 668 | /* Returns non-zero upon success, 0 upon failure. */ |
fd8fd11a | 669 | if (PurgeComm(port->hdl, flags) == 0) |
c33efc48 | 670 | RETURN_FAIL("PurgeComm() failed"); |
74510d4b | 671 | #else |
fd8fd11a ML |
672 | int flags = 0; |
673 | if (buffers & SP_BUF_BOTH) | |
674 | flags = TCIOFLUSH; | |
675 | else if (buffers & SP_BUF_INPUT) | |
676 | flags = TCIFLUSH; | |
82f424e6 | 677 | else if (buffers & SP_BUF_OUTPUT) |
fd8fd11a ML |
678 | flags = TCOFLUSH; |
679 | ||
74510d4b | 680 | /* Returns 0 upon success, -1 upon failure. */ |
fd8fd11a | 681 | if (tcflush(port->fd, flags) < 0) |
c33efc48 | 682 | RETURN_FAIL("tcflush() failed"); |
74510d4b | 683 | #endif |
c33efc48 | 684 | RETURN_OK(); |
74510d4b ML |
685 | } |
686 | ||
69a3739c ML |
687 | enum sp_return sp_drain(struct sp_port *port) |
688 | { | |
c33efc48 ML |
689 | TRACE("%p", port); |
690 | ||
dec10e31 | 691 | CHECK_OPEN_PORT(); |
69a3739c | 692 | |
ea667be7 ML |
693 | DEBUG("Draining port %s", port->name); |
694 | ||
69a3739c ML |
695 | #ifdef _WIN32 |
696 | /* Returns non-zero upon success, 0 upon failure. */ | |
697 | if (FlushFileBuffers(port->hdl) == 0) | |
c33efc48 | 698 | RETURN_FAIL("FlushFileBuffers() failed"); |
69a3739c ML |
699 | #else |
700 | /* Returns 0 upon success, -1 upon failure. */ | |
701 | if (tcdrain(port->fd) < 0) | |
c33efc48 | 702 | RETURN_FAIL("tcdrain() failed"); |
69a3739c ML |
703 | #endif |
704 | ||
c33efc48 | 705 | RETURN_OK(); |
69a3739c ML |
706 | } |
707 | ||
eb6ed20f | 708 | enum sp_return sp_write(struct sp_port *port, const void *buf, size_t count) |
74510d4b | 709 | { |
c33efc48 ML |
710 | TRACE("%p, %p, %d", port, buf, count); |
711 | ||
dec10e31 | 712 | CHECK_OPEN_PORT(); |
74510d4b ML |
713 | |
714 | if (!buf) | |
c33efc48 | 715 | RETURN_ERROR(SP_ERR_ARG, "Null buffer"); |
74510d4b | 716 | |
ea667be7 ML |
717 | DEBUG("Writing up to %d bytes to port %s", count, port->name); |
718 | ||
74510d4b ML |
719 | #ifdef _WIN32 |
720 | DWORD written = 0; | |
f92f1f0c | 721 | |
74510d4b ML |
722 | /* Returns non-zero upon success, 0 upon failure. */ |
723 | if (WriteFile(port->hdl, buf, count, &written, NULL) == 0) | |
c33efc48 ML |
724 | RETURN_FAIL("WriteFile() failed"); |
725 | RETURN_VALUE("%d", written); | |
74510d4b ML |
726 | #else |
727 | /* Returns the number of bytes written, or -1 upon failure. */ | |
728 | ssize_t written = write(port->fd, buf, count); | |
f92f1f0c | 729 | |
74510d4b | 730 | if (written < 0) |
c33efc48 | 731 | RETURN_FAIL("write() failed"); |
74510d4b | 732 | else |
c33efc48 | 733 | RETURN_VALUE("%d", written); |
74510d4b ML |
734 | #endif |
735 | } | |
736 | ||
eb6ed20f | 737 | enum sp_return sp_read(struct sp_port *port, void *buf, size_t count) |
74510d4b | 738 | { |
c33efc48 ML |
739 | TRACE("%p, %p, %d", port, buf, count); |
740 | ||
dec10e31 | 741 | CHECK_OPEN_PORT(); |
74510d4b ML |
742 | |
743 | if (!buf) | |
c33efc48 | 744 | RETURN_ERROR(SP_ERR_ARG, "Null buffer"); |
74510d4b | 745 | |
ea667be7 ML |
746 | DEBUG("Reading up to %d bytes from port %s", count, port->name); |
747 | ||
74510d4b ML |
748 | #ifdef _WIN32 |
749 | DWORD bytes_read = 0; | |
f92f1f0c | 750 | |
74510d4b ML |
751 | /* Returns non-zero upon success, 0 upon failure. */ |
752 | if (ReadFile(port->hdl, buf, count, &bytes_read, NULL) == 0) | |
c33efc48 ML |
753 | RETURN_FAIL("ReadFile() failed"); |
754 | RETURN_VALUE("%d", bytes_read); | |
74510d4b ML |
755 | #else |
756 | ssize_t bytes_read; | |
f92f1f0c | 757 | |
74510d4b ML |
758 | /* Returns the number of bytes read, or -1 upon failure. */ |
759 | if ((bytes_read = read(port->fd, buf, count)) < 0) | |
c33efc48 ML |
760 | RETURN_FAIL("read() failed"); |
761 | RETURN_VALUE("%d", bytes_read); | |
74510d4b ML |
762 | #endif |
763 | } | |
764 | ||
7a6d2196 ML |
765 | #ifdef __linux__ |
766 | static enum sp_return get_baudrate(int fd, int *baudrate) | |
767 | { | |
768 | void *data; | |
769 | ||
c33efc48 ML |
770 | TRACE("%d, %p", fd, baudrate); |
771 | ||
ea667be7 ML |
772 | DEBUG("Getting baud rate"); |
773 | ||
7a6d2196 | 774 | if (!(data = malloc(get_termios_size()))) |
c33efc48 | 775 | RETURN_ERROR(SP_ERR_MEM, "termios malloc failed"); |
7a6d2196 | 776 | |
8d43110a ML |
777 | if (ioctl(fd, get_termios_get_ioctl(), data) < 0) { |
778 | free(data); | |
c33efc48 | 779 | RETURN_FAIL("getting termios failed"); |
8d43110a | 780 | } |
7a6d2196 ML |
781 | |
782 | *baudrate = get_termios_speed(data); | |
783 | ||
8d43110a ML |
784 | free(data); |
785 | ||
c33efc48 | 786 | RETURN_OK(); |
7a6d2196 ML |
787 | } |
788 | ||
789 | static enum sp_return set_baudrate(int fd, int baudrate) | |
790 | { | |
791 | void *data; | |
792 | ||
c33efc48 ML |
793 | TRACE("%d, %d", fd, baudrate); |
794 | ||
ea667be7 ML |
795 | DEBUG("Getting baud rate"); |
796 | ||
7a6d2196 | 797 | if (!(data = malloc(get_termios_size()))) |
c33efc48 | 798 | RETURN_ERROR(SP_ERR_MEM, "termios malloc failed"); |
7a6d2196 | 799 | |
8d43110a ML |
800 | if (ioctl(fd, get_termios_get_ioctl(), data) < 0) { |
801 | free(data); | |
c33efc48 | 802 | RETURN_FAIL("getting termios failed"); |
8d43110a | 803 | } |
7a6d2196 | 804 | |
ea667be7 ML |
805 | DEBUG("Setting baud rate"); |
806 | ||
7a6d2196 ML |
807 | set_termios_speed(data, baudrate); |
808 | ||
8d43110a ML |
809 | if (ioctl(fd, get_termios_set_ioctl(), data) < 0) { |
810 | free(data); | |
c33efc48 | 811 | RETURN_FAIL("setting termios failed"); |
8d43110a ML |
812 | } |
813 | ||
814 | free(data); | |
7a6d2196 | 815 | |
c33efc48 | 816 | RETURN_OK(); |
7a6d2196 | 817 | } |
40978c2b ML |
818 | |
819 | #ifdef USE_TERMIOX | |
820 | static enum sp_return get_flow(int fd, int *flow) | |
821 | { | |
822 | void *data; | |
823 | ||
c33efc48 ML |
824 | TRACE("%d, %p", fd, flow); |
825 | ||
ea667be7 ML |
826 | DEBUG("Getting advanced flow control"); |
827 | ||
40978c2b | 828 | if (!(data = malloc(get_termiox_size()))) |
c33efc48 | 829 | RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed"); |
40978c2b | 830 | |
8d43110a ML |
831 | if (ioctl(fd, TCGETX, data) < 0) { |
832 | free(data); | |
c33efc48 | 833 | RETURN_FAIL("getting termiox failed"); |
8d43110a | 834 | } |
40978c2b ML |
835 | |
836 | *flow = get_termiox_flow(data); | |
837 | ||
8d43110a ML |
838 | free(data); |
839 | ||
c33efc48 | 840 | RETURN_OK(); |
40978c2b ML |
841 | } |
842 | ||
843 | static enum sp_return set_flow(int fd, int flow) | |
844 | { | |
845 | void *data; | |
846 | ||
c33efc48 ML |
847 | TRACE("%d, %d", fd, flow); |
848 | ||
ea667be7 ML |
849 | DEBUG("Getting advanced flow control"); |
850 | ||
40978c2b | 851 | if (!(data = malloc(get_termiox_size()))) |
c33efc48 | 852 | RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed"); |
40978c2b | 853 | |
8d43110a ML |
854 | if (ioctl(fd, TCGETX, data) < 0) { |
855 | free(data); | |
c33efc48 | 856 | RETURN_FAIL("getting termiox failed"); |
8d43110a | 857 | } |
40978c2b | 858 | |
ea667be7 ML |
859 | DEBUG("Setting advanced flow control"); |
860 | ||
40978c2b ML |
861 | set_termiox_flow(data, flow); |
862 | ||
8d43110a ML |
863 | if (ioctl(fd, TCSETX, data) < 0) { |
864 | free(data); | |
c33efc48 | 865 | RETURN_FAIL("setting termiox failed"); |
8d43110a ML |
866 | } |
867 | ||
868 | free(data); | |
40978c2b | 869 | |
c33efc48 | 870 | RETURN_OK(); |
40978c2b ML |
871 | } |
872 | #endif /* USE_TERMIOX */ | |
873 | #endif /* __linux__ */ | |
7a6d2196 | 874 | |
eb6ed20f ML |
875 | static enum sp_return get_config(struct sp_port *port, struct port_data *data, |
876 | struct sp_port_config *config) | |
8094e4a0 | 877 | { |
da2748bf | 878 | unsigned int i; |
cbf628c7 | 879 | |
c33efc48 ML |
880 | TRACE("%p, %p, %p", port, data, config); |
881 | ||
ea667be7 ML |
882 | DEBUG("Getting configuration for port %s", port->name); |
883 | ||
8094e4a0 | 884 | #ifdef _WIN32 |
e33ab9aa | 885 | if (!GetCommState(port->hdl, &data->dcb)) |
c33efc48 | 886 | RETURN_FAIL("GetCommState() failed"); |
8094e4a0 | 887 | |
067417af | 888 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
e33ab9aa | 889 | if (data->dcb.BaudRate == std_baudrates[i].index) { |
067417af ML |
890 | config->baudrate = std_baudrates[i].value; |
891 | break; | |
892 | } | |
893 | } | |
894 | ||
895 | if (i == NUM_STD_BAUDRATES) | |
896 | /* BaudRate field can be either an index or a custom baud rate. */ | |
e33ab9aa | 897 | config->baudrate = data->dcb.BaudRate; |
067417af | 898 | |
e33ab9aa | 899 | config->bits = data->dcb.ByteSize; |
067417af | 900 | |
e33ab9aa ML |
901 | if (data->dcb.fParity) |
902 | switch (data->dcb.Parity) { | |
067417af ML |
903 | case NOPARITY: |
904 | config->parity = SP_PARITY_NONE; | |
905 | break; | |
906 | case EVENPARITY: | |
907 | config->parity = SP_PARITY_EVEN; | |
908 | break; | |
909 | case ODDPARITY: | |
910 | config->parity = SP_PARITY_ODD; | |
911 | break; | |
912 | default: | |
913 | config->parity = -1; | |
914 | } | |
915 | else | |
916 | config->parity = SP_PARITY_NONE; | |
917 | ||
e33ab9aa | 918 | switch (data->dcb.StopBits) { |
067417af ML |
919 | case ONESTOPBIT: |
920 | config->stopbits = 1; | |
921 | break; | |
922 | case TWOSTOPBITS: | |
923 | config->stopbits = 2; | |
924 | break; | |
925 | default: | |
926 | config->stopbits = -1; | |
927 | } | |
928 | ||
e33ab9aa | 929 | switch (data->dcb.fRtsControl) { |
eac329d2 UH |
930 | case RTS_CONTROL_DISABLE: |
931 | config->rts = SP_RTS_OFF; | |
932 | break; | |
933 | case RTS_CONTROL_ENABLE: | |
934 | config->rts = SP_RTS_ON; | |
935 | break; | |
936 | case RTS_CONTROL_HANDSHAKE: | |
937 | config->rts = SP_RTS_FLOW_CONTROL; | |
938 | break; | |
939 | default: | |
940 | config->rts = -1; | |
067417af ML |
941 | } |
942 | ||
e33ab9aa | 943 | config->cts = data->dcb.fOutxCtsFlow ? SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE; |
067417af | 944 | |
e33ab9aa | 945 | switch (data->dcb.fDtrControl) { |
eac329d2 UH |
946 | case DTR_CONTROL_DISABLE: |
947 | config->dtr = SP_DTR_OFF; | |
948 | break; | |
949 | case DTR_CONTROL_ENABLE: | |
950 | config->dtr = SP_DTR_ON; | |
951 | break; | |
952 | case DTR_CONTROL_HANDSHAKE: | |
953 | config->dtr = SP_DTR_FLOW_CONTROL; | |
954 | break; | |
955 | default: | |
956 | config->dtr = -1; | |
067417af ML |
957 | } |
958 | ||
e33ab9aa ML |
959 | config->dsr = data->dcb.fOutxDsrFlow ? SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE; |
960 | ||
c6754b45 ML |
961 | if (data->dcb.fInX) { |
962 | if (data->dcb.fOutX) | |
963 | config->xon_xoff = SP_XONXOFF_INOUT; | |
964 | else | |
965 | config->xon_xoff = SP_XONXOFF_IN; | |
966 | } else { | |
967 | if (data->dcb.fOutX) | |
968 | config->xon_xoff = SP_XONXOFF_OUT; | |
969 | else | |
970 | config->xon_xoff = SP_XONXOFF_DISABLED; | |
971 | } | |
972 | ||
e33ab9aa ML |
973 | #else // !_WIN32 |
974 | ||
975 | if (tcgetattr(port->fd, &data->term) < 0) | |
c33efc48 | 976 | RETURN_FAIL("tcgetattr() failed"); |
e33ab9aa ML |
977 | |
978 | if (ioctl(port->fd, TIOCMGET, &data->controlbits) < 0) | |
c33efc48 | 979 | RETURN_FAIL("TIOCMGET ioctl failed"); |
40978c2b ML |
980 | |
981 | #ifdef USE_TERMIOX | |
68ec29db ML |
982 | int ret = get_flow(port->fd, &data->flow); |
983 | ||
984 | if (ret == SP_ERR_FAIL && errno == EINVAL) | |
985 | data->termiox_supported = 0; | |
986 | else if (ret < 0) | |
c33efc48 | 987 | RETURN_CODEVAL(ret); |
68ec29db ML |
988 | else |
989 | data->termiox_supported = 1; | |
990 | #else | |
991 | data->termiox_supported = 0; | |
40978c2b ML |
992 | #endif |
993 | ||
067417af | 994 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
e33ab9aa | 995 | if (cfgetispeed(&data->term) == std_baudrates[i].index) { |
067417af ML |
996 | config->baudrate = std_baudrates[i].value; |
997 | break; | |
998 | } | |
999 | } | |
1000 | ||
31b3a8f5 MH |
1001 | if (i == NUM_STD_BAUDRATES) { |
1002 | #ifdef __APPLE__ | |
1003 | config->baudrate = (int)data->term.c_ispeed; | |
7a6d2196 ML |
1004 | #elif defined(__linux__) |
1005 | TRY(get_baudrate(port->fd, &config->baudrate)); | |
31b3a8f5 | 1006 | #else |
067417af | 1007 | config->baudrate = -1; |
31b3a8f5 MH |
1008 | #endif |
1009 | } | |
067417af | 1010 | |
e33ab9aa | 1011 | switch (data->term.c_cflag & CSIZE) { |
067417af ML |
1012 | case CS8: |
1013 | config->bits = 8; | |
1014 | break; | |
1015 | case CS7: | |
1016 | config->bits = 7; | |
1017 | break; | |
1018 | case CS6: | |
1019 | config->bits = 6; | |
1020 | break; | |
1021 | case CS5: | |
1022 | config->bits = 5; | |
1023 | break; | |
1024 | default: | |
1025 | config->bits = -1; | |
1026 | } | |
1027 | ||
e33ab9aa | 1028 | if (!(data->term.c_cflag & PARENB) && (data->term.c_iflag & IGNPAR)) |
067417af | 1029 | config->parity = SP_PARITY_NONE; |
e33ab9aa | 1030 | else if (!(data->term.c_cflag & PARENB) || (data->term.c_iflag & IGNPAR)) |
067417af ML |
1031 | config->parity = -1; |
1032 | else | |
e33ab9aa | 1033 | config->parity = (data->term.c_cflag & PARODD) ? SP_PARITY_ODD : SP_PARITY_EVEN; |
067417af | 1034 | |
e33ab9aa | 1035 | config->stopbits = (data->term.c_cflag & CSTOPB) ? 2 : 1; |
067417af | 1036 | |
e33ab9aa | 1037 | if (data->term.c_cflag & CRTSCTS) { |
067417af ML |
1038 | config->rts = SP_RTS_FLOW_CONTROL; |
1039 | config->cts = SP_CTS_FLOW_CONTROL; | |
1040 | } else { | |
68ec29db | 1041 | if (data->termiox_supported && data->flow & RTS_FLOW) |
40978c2b ML |
1042 | config->rts = SP_RTS_FLOW_CONTROL; |
1043 | else | |
1044 | config->rts = (data->controlbits & TIOCM_RTS) ? SP_RTS_ON : SP_RTS_OFF; | |
1045 | ||
68ec29db ML |
1046 | config->cts = (data->termiox_supported && data->flow & CTS_FLOW) ? |
1047 | SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE; | |
067417af ML |
1048 | } |
1049 | ||
68ec29db | 1050 | if (data->termiox_supported && data->flow & DTR_FLOW) |
40978c2b ML |
1051 | config->dtr = SP_DTR_FLOW_CONTROL; |
1052 | else | |
1053 | config->dtr = (data->controlbits & TIOCM_DTR) ? SP_DTR_ON : SP_DTR_OFF; | |
1054 | ||
68ec29db ML |
1055 | config->dsr = (data->termiox_supported && data->flow & DSR_FLOW) ? |
1056 | SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE; | |
705bdc69 | 1057 | |
e29b93a5 ML |
1058 | if (data->term.c_iflag & IXOFF) { |
1059 | if (data->term.c_iflag & IXON) | |
1060 | config->xon_xoff = SP_XONXOFF_INOUT; | |
1061 | else | |
1062 | config->xon_xoff = SP_XONXOFF_IN; | |
1063 | } else { | |
1064 | if (data->term.c_iflag & IXON) | |
1065 | config->xon_xoff = SP_XONXOFF_OUT; | |
1066 | else | |
1067 | config->xon_xoff = SP_XONXOFF_DISABLED; | |
1068 | } | |
067417af ML |
1069 | #endif |
1070 | ||
c33efc48 | 1071 | RETURN_OK(); |
067417af ML |
1072 | } |
1073 | ||
7a6d2196 | 1074 | static enum sp_return set_config(struct sp_port *port, struct port_data *data, |
eb6ed20f | 1075 | const struct sp_port_config *config) |
18fc2dd1 | 1076 | { |
e33ab9aa | 1077 | unsigned int i; |
31b3a8f5 MH |
1078 | #ifdef __APPLE__ |
1079 | BAUD_TYPE baud_nonstd; | |
1080 | ||
1081 | baud_nonstd = B0; | |
1082 | #endif | |
7a6d2196 ML |
1083 | #ifdef __linux__ |
1084 | int baud_nonstd = 0; | |
1085 | #endif | |
18fc2dd1 | 1086 | |
c33efc48 ML |
1087 | TRACE("%p, %p, %p", port, data, config); |
1088 | ||
ea667be7 ML |
1089 | DEBUG("Setting configuration for port %s", port->name); |
1090 | ||
e33ab9aa | 1091 | #ifdef _WIN32 |
eac329d2 | 1092 | if (config->baudrate >= 0) { |
e33ab9aa ML |
1093 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
1094 | if (config->baudrate == std_baudrates[i].value) { | |
1095 | data->dcb.BaudRate = std_baudrates[i].index; | |
1096 | break; | |
1097 | } | |
1098 | } | |
18fc2dd1 | 1099 | |
e33ab9aa ML |
1100 | if (i == NUM_STD_BAUDRATES) |
1101 | data->dcb.BaudRate = config->baudrate; | |
1102 | } | |
18fc2dd1 | 1103 | |
e33ab9aa ML |
1104 | if (config->bits >= 0) |
1105 | data->dcb.ByteSize = config->bits; | |
1106 | ||
1107 | if (config->parity >= 0) { | |
1108 | switch (config->parity) { | |
1109 | /* Note: There's also SPACEPARITY, MARKPARITY (unneeded so far). */ | |
1110 | case SP_PARITY_NONE: | |
1111 | data->dcb.Parity = NOPARITY; | |
1112 | break; | |
1113 | case SP_PARITY_EVEN: | |
1114 | data->dcb.Parity = EVENPARITY; | |
1115 | break; | |
1116 | case SP_PARITY_ODD: | |
1117 | data->dcb.Parity = ODDPARITY; | |
1118 | break; | |
1119 | default: | |
c33efc48 | 1120 | RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting"); |
e33ab9aa | 1121 | } |
18fc2dd1 ML |
1122 | } |
1123 | ||
e33ab9aa ML |
1124 | if (config->stopbits >= 0) { |
1125 | switch (config->stopbits) { | |
1126 | /* Note: There's also ONE5STOPBITS == 1.5 (unneeded so far). */ | |
1127 | case 1: | |
1128 | data->dcb.StopBits = ONESTOPBIT; | |
1129 | break; | |
1130 | case 2: | |
1131 | data->dcb.StopBits = TWOSTOPBITS; | |
1132 | break; | |
1133 | default: | |
c33efc48 | 1134 | RETURN_ERROR(SP_ERR_ARG, "Invalid stop bit setting"); |
e33ab9aa ML |
1135 | } |
1136 | } | |
1137 | ||
1138 | if (config->rts >= 0) { | |
1139 | switch (config->rts) { | |
1140 | case SP_RTS_OFF: | |
1141 | data->dcb.fRtsControl = RTS_CONTROL_DISABLE; | |
1142 | break; | |
1143 | case SP_RTS_ON: | |
1144 | data->dcb.fRtsControl = RTS_CONTROL_ENABLE; | |
1145 | break; | |
1146 | case SP_RTS_FLOW_CONTROL: | |
1147 | data->dcb.fRtsControl = RTS_CONTROL_HANDSHAKE; | |
1148 | break; | |
1149 | default: | |
c33efc48 | 1150 | RETURN_ERROR(SP_ERR_ARG, "Invalid RTS setting"); |
e33ab9aa ML |
1151 | } |
1152 | } | |
1153 | ||
1154 | if (config->cts >= 0) { | |
1155 | switch (config->cts) { | |
1156 | case SP_CTS_IGNORE: | |
1157 | data->dcb.fOutxCtsFlow = FALSE; | |
1158 | break; | |
1159 | case SP_CTS_FLOW_CONTROL: | |
1160 | data->dcb.fOutxCtsFlow = TRUE; | |
1161 | break; | |
1162 | default: | |
c33efc48 | 1163 | RETURN_ERROR(SP_ERR_ARG, "Invalid CTS setting"); |
e33ab9aa ML |
1164 | } |
1165 | } | |
1166 | ||
1167 | if (config->dtr >= 0) { | |
1168 | switch (config->dtr) { | |
1169 | case SP_DTR_OFF: | |
1170 | data->dcb.fDtrControl = DTR_CONTROL_DISABLE; | |
1171 | break; | |
1172 | case SP_DTR_ON: | |
1173 | data->dcb.fDtrControl = DTR_CONTROL_ENABLE; | |
1174 | break; | |
1175 | case SP_DTR_FLOW_CONTROL: | |
1176 | data->dcb.fDtrControl = DTR_CONTROL_HANDSHAKE; | |
1177 | break; | |
1178 | default: | |
c33efc48 | 1179 | RETURN_ERROR(SP_ERR_ARG, "Invalid DTR setting"); |
e33ab9aa ML |
1180 | } |
1181 | } | |
1182 | ||
1183 | if (config->dsr >= 0) { | |
1184 | switch (config->dsr) { | |
1185 | case SP_DSR_IGNORE: | |
1186 | data->dcb.fOutxDsrFlow = FALSE; | |
1187 | break; | |
1188 | case SP_DSR_FLOW_CONTROL: | |
1189 | data->dcb.fOutxDsrFlow = TRUE; | |
1190 | break; | |
1191 | default: | |
c33efc48 | 1192 | RETURN_ERROR(SP_ERR_ARG, "Invalid DSR setting"); |
e33ab9aa | 1193 | } |
18fc2dd1 ML |
1194 | } |
1195 | ||
e33ab9aa ML |
1196 | if (config->xon_xoff >= 0) { |
1197 | switch (config->xon_xoff) { | |
1198 | case SP_XONXOFF_DISABLED: | |
1199 | data->dcb.fInX = FALSE; | |
1200 | data->dcb.fOutX = FALSE; | |
1201 | break; | |
1202 | case SP_XONXOFF_IN: | |
1203 | data->dcb.fInX = TRUE; | |
1204 | data->dcb.fOutX = FALSE; | |
1205 | break; | |
1206 | case SP_XONXOFF_OUT: | |
1207 | data->dcb.fInX = FALSE; | |
1208 | data->dcb.fOutX = TRUE; | |
1209 | break; | |
1210 | case SP_XONXOFF_INOUT: | |
1211 | data->dcb.fInX = TRUE; | |
1212 | data->dcb.fOutX = TRUE; | |
1213 | break; | |
1214 | default: | |
c33efc48 | 1215 | RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting"); |
e33ab9aa ML |
1216 | } |
1217 | } | |
1218 | ||
1219 | if (!SetCommState(port->hdl, &data->dcb)) | |
c33efc48 | 1220 | RETURN_FAIL("SetCommState() failed"); |
e33ab9aa | 1221 | |
31b3a8f5 | 1222 | #else /* !_WIN32 */ |
e33ab9aa | 1223 | |
7a6d2196 ML |
1224 | int controlbits; |
1225 | ||
eac329d2 | 1226 | if (config->baudrate >= 0) { |
e33ab9aa ML |
1227 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
1228 | if (config->baudrate == std_baudrates[i].value) { | |
1229 | if (cfsetospeed(&data->term, std_baudrates[i].index) < 0) | |
c33efc48 | 1230 | RETURN_FAIL("cfsetospeed() failed"); |
e33ab9aa ML |
1231 | |
1232 | if (cfsetispeed(&data->term, std_baudrates[i].index) < 0) | |
c33efc48 | 1233 | RETURN_FAIL("cfsetispeed() failed"); |
e33ab9aa ML |
1234 | break; |
1235 | } | |
1236 | } | |
1237 | ||
31b3a8f5 MH |
1238 | /* Non-standard baud rate */ |
1239 | if (i == NUM_STD_BAUDRATES) { | |
1240 | #ifdef __APPLE__ | |
24abdb68 | 1241 | /* Set "dummy" baud rate. */ |
31b3a8f5 | 1242 | if (cfsetspeed(&data->term, B9600) < 0) |
c33efc48 | 1243 | RETURN_FAIL("cfsetspeed() failed"); |
31b3a8f5 | 1244 | baud_nonstd = config->baudrate; |
7a6d2196 ML |
1245 | #elif defined(__linux__) |
1246 | baud_nonstd = 1; | |
31b3a8f5 | 1247 | #else |
c33efc48 | 1248 | RETURN_ERROR(SP_ERR_SUPP, "Non-standard baudrate not supported"); |
31b3a8f5 MH |
1249 | #endif |
1250 | } | |
e33ab9aa ML |
1251 | } |
1252 | ||
1253 | if (config->bits >= 0) { | |
1254 | data->term.c_cflag &= ~CSIZE; | |
1255 | switch (config->bits) { | |
1256 | case 8: | |
1257 | data->term.c_cflag |= CS8; | |
1258 | break; | |
1259 | case 7: | |
1260 | data->term.c_cflag |= CS7; | |
1261 | break; | |
1262 | case 6: | |
1263 | data->term.c_cflag |= CS6; | |
1264 | break; | |
23922313 UH |
1265 | case 5: |
1266 | data->term.c_cflag |= CS5; | |
1267 | break; | |
e33ab9aa | 1268 | default: |
c33efc48 | 1269 | RETURN_ERROR(SP_ERR_ARG, "Invalid data bits setting"); |
e33ab9aa ML |
1270 | } |
1271 | } | |
1272 | ||
1273 | if (config->parity >= 0) { | |
1274 | data->term.c_iflag &= ~IGNPAR; | |
1275 | data->term.c_cflag &= ~(PARENB | PARODD); | |
1276 | switch (config->parity) { | |
1277 | case SP_PARITY_NONE: | |
1278 | data->term.c_iflag |= IGNPAR; | |
1279 | break; | |
1280 | case SP_PARITY_EVEN: | |
1281 | data->term.c_cflag |= PARENB; | |
1282 | break; | |
1283 | case SP_PARITY_ODD: | |
1284 | data->term.c_cflag |= PARENB | PARODD; | |
1285 | break; | |
1286 | default: | |
c33efc48 | 1287 | RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting"); |
e33ab9aa ML |
1288 | } |
1289 | } | |
1290 | ||
1291 | if (config->stopbits >= 0) { | |
1292 | data->term.c_cflag &= ~CSTOPB; | |
1293 | switch (config->stopbits) { | |
1294 | case 1: | |
1295 | data->term.c_cflag &= ~CSTOPB; | |
1296 | break; | |
1297 | case 2: | |
1298 | data->term.c_cflag |= CSTOPB; | |
1299 | break; | |
1300 | default: | |
c33efc48 | 1301 | RETURN_ERROR(SP_ERR_ARG, "Invalid stop bits setting"); |
e33ab9aa ML |
1302 | } |
1303 | } | |
1304 | ||
eac329d2 | 1305 | if (config->rts >= 0 || config->cts >= 0) { |
68ec29db ML |
1306 | if (data->termiox_supported) { |
1307 | data->flow &= ~(RTS_FLOW | CTS_FLOW); | |
1308 | switch (config->rts) { | |
1309 | case SP_RTS_OFF: | |
1310 | case SP_RTS_ON: | |
1311 | controlbits = TIOCM_RTS; | |
1312 | if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0) | |
c33efc48 | 1313 | RETURN_FAIL("Setting RTS signal level failed"); |
68ec29db ML |
1314 | break; |
1315 | case SP_RTS_FLOW_CONTROL: | |
1316 | data->flow |= RTS_FLOW; | |
1317 | break; | |
1318 | default: | |
1319 | break; | |
e33ab9aa | 1320 | } |
68ec29db ML |
1321 | if (config->cts == SP_CTS_FLOW_CONTROL) |
1322 | data->flow |= CTS_FLOW; | |
e33ab9aa | 1323 | |
68ec29db | 1324 | if (data->flow & (RTS_FLOW | CTS_FLOW)) |
e33ab9aa | 1325 | data->term.c_iflag |= CRTSCTS; |
68ec29db ML |
1326 | else |
1327 | data->term.c_iflag &= ~CRTSCTS; | |
1328 | } else { | |
1329 | /* Asymmetric use of RTS/CTS not supported. */ | |
1330 | if (data->term.c_iflag & CRTSCTS) { | |
1331 | /* Flow control can only be disabled for both RTS & CTS together. */ | |
1332 | if (config->rts >= 0 && config->rts != SP_RTS_FLOW_CONTROL) { | |
1333 | if (config->cts != SP_CTS_IGNORE) | |
c33efc48 | 1334 | RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together"); |
68ec29db ML |
1335 | } |
1336 | if (config->cts >= 0 && config->cts != SP_CTS_FLOW_CONTROL) { | |
1337 | if (config->rts <= 0 || config->rts == SP_RTS_FLOW_CONTROL) | |
c33efc48 | 1338 | RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together"); |
68ec29db | 1339 | } |
e33ab9aa | 1340 | } else { |
68ec29db ML |
1341 | /* Flow control can only be enabled for both RTS & CTS together. */ |
1342 | if (((config->rts == SP_RTS_FLOW_CONTROL) && (config->cts != SP_CTS_FLOW_CONTROL)) || | |
1343 | ((config->cts == SP_CTS_FLOW_CONTROL) && (config->rts != SP_RTS_FLOW_CONTROL))) | |
c33efc48 | 1344 | RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be enabled together"); |
68ec29db ML |
1345 | } |
1346 | ||
1347 | if (config->rts >= 0) { | |
1348 | if (config->rts == SP_RTS_FLOW_CONTROL) { | |
1349 | data->term.c_iflag |= CRTSCTS; | |
1350 | } else { | |
1351 | controlbits = TIOCM_RTS; | |
1352 | if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC, | |
1353 | &controlbits) < 0) | |
c33efc48 | 1354 | RETURN_FAIL("Setting RTS signal level failed"); |
68ec29db | 1355 | } |
e33ab9aa ML |
1356 | } |
1357 | } | |
1358 | } | |
1359 | ||
eac329d2 | 1360 | if (config->dtr >= 0 || config->dsr >= 0) { |
68ec29db ML |
1361 | if (data->termiox_supported) { |
1362 | data->flow &= ~(DTR_FLOW | DSR_FLOW); | |
1363 | switch (config->dtr) { | |
1364 | case SP_DTR_OFF: | |
1365 | case SP_DTR_ON: | |
1366 | controlbits = TIOCM_DTR; | |
1367 | if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0) | |
c33efc48 | 1368 | RETURN_FAIL("Setting DTR signal level failed"); |
68ec29db ML |
1369 | break; |
1370 | case SP_DTR_FLOW_CONTROL: | |
1371 | data->flow |= DTR_FLOW; | |
1372 | break; | |
1373 | default: | |
1374 | break; | |
1375 | } | |
1376 | if (config->dsr == SP_DSR_FLOW_CONTROL) | |
1377 | data->flow |= DSR_FLOW; | |
1378 | } else { | |
1379 | /* DTR/DSR flow control not supported. */ | |
1380 | if (config->dtr == SP_DTR_FLOW_CONTROL || config->dsr == SP_DSR_FLOW_CONTROL) | |
c33efc48 | 1381 | RETURN_ERROR(SP_ERR_SUPP, "DTR/DSR flow control not supported"); |
e33ab9aa | 1382 | |
68ec29db ML |
1383 | if (config->dtr >= 0) { |
1384 | controlbits = TIOCM_DTR; | |
1385 | if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC, | |
1386 | &controlbits) < 0) | |
c33efc48 | 1387 | RETURN_FAIL("Setting DTR signal level failed"); |
68ec29db | 1388 | } |
e33ab9aa ML |
1389 | } |
1390 | } | |
1391 | ||
1392 | if (config->xon_xoff >= 0) { | |
1393 | data->term.c_iflag &= ~(IXON | IXOFF | IXANY); | |
1394 | switch (config->xon_xoff) { | |
1395 | case SP_XONXOFF_DISABLED: | |
1396 | break; | |
1397 | case SP_XONXOFF_IN: | |
1398 | data->term.c_iflag |= IXOFF; | |
1399 | break; | |
1400 | case SP_XONXOFF_OUT: | |
1401 | data->term.c_iflag |= IXON | IXANY; | |
1402 | break; | |
1403 | case SP_XONXOFF_INOUT: | |
1404 | data->term.c_iflag |= IXON | IXOFF | IXANY; | |
1405 | break; | |
1406 | default: | |
c33efc48 | 1407 | RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting"); |
e33ab9aa ML |
1408 | } |
1409 | } | |
1410 | ||
1411 | if (tcsetattr(port->fd, TCSADRAIN, &data->term) < 0) | |
c33efc48 | 1412 | RETURN_FAIL("tcsetattr() failed"); |
31b3a8f5 MH |
1413 | |
1414 | #ifdef __APPLE__ | |
1415 | if (baud_nonstd != B0) { | |
1416 | if (ioctl(port->fd, IOSSIOSPEED, &baud_nonstd) == -1) | |
c33efc48 | 1417 | RETURN_FAIL("IOSSIOSPEED ioctl failed"); |
31b3a8f5 MH |
1418 | /* Set baud rates in data->term to correct, but incompatible |
1419 | * with tcsetattr() value, same as delivered by tcgetattr(). */ | |
1420 | if (cfsetspeed(&data->term, baud_nonstd) < 0) | |
c33efc48 | 1421 | RETURN_FAIL("cfsetspeed() failed"); |
31b3a8f5 | 1422 | } |
7a6d2196 ML |
1423 | #elif defined(__linux__) |
1424 | if (baud_nonstd) | |
1425 | TRY(set_baudrate(port->fd, config->baudrate)); | |
40978c2b | 1426 | #ifdef USE_TERMIOX |
68ec29db ML |
1427 | if (data->termiox_supported) |
1428 | TRY(set_flow(port->fd, data->flow)); | |
40978c2b | 1429 | #endif |
7a6d2196 | 1430 | #endif |
31b3a8f5 MH |
1431 | |
1432 | #endif /* !_WIN32 */ | |
e33ab9aa | 1433 | |
c33efc48 | 1434 | RETURN_OK(); |
e33ab9aa ML |
1435 | } |
1436 | ||
70cd37de ML |
1437 | enum sp_return sp_get_config(struct sp_port *port, struct sp_port_config *config) |
1438 | { | |
1439 | struct port_data data; | |
1440 | ||
1441 | TRACE("%p, %p", port, config); | |
1442 | ||
1443 | CHECK_OPEN_PORT(); | |
1444 | ||
1445 | if (!config) | |
1446 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); | |
1447 | ||
1448 | TRY(get_config(port, &data, config)); | |
1449 | ||
1450 | RETURN_OK(); | |
1451 | } | |
1452 | ||
eb6ed20f | 1453 | enum sp_return sp_set_config(struct sp_port *port, const struct sp_port_config *config) |
e33ab9aa | 1454 | { |
8f189c4c | 1455 | struct port_data data; |
e33ab9aa ML |
1456 | struct sp_port_config prev_config; |
1457 | ||
c33efc48 ML |
1458 | TRACE("%p, %p", port, config); |
1459 | ||
dec10e31 | 1460 | CHECK_OPEN_PORT(); |
823690ae ML |
1461 | |
1462 | if (!config) | |
c33efc48 | 1463 | RETURN_ERROR(SP_ERR_ARG, "Null config"); |
823690ae | 1464 | |
e33ab9aa ML |
1465 | TRY(get_config(port, &data, &prev_config)); |
1466 | TRY(set_config(port, &data, config)); | |
74510d4b | 1467 | |
c33efc48 | 1468 | RETURN_OK(); |
74510d4b ML |
1469 | } |
1470 | ||
eb6ed20f | 1471 | #define CREATE_SETTER(x, type) int sp_set_##x(struct sp_port *port, type x) { \ |
8f189c4c | 1472 | struct port_data data; \ |
e33ab9aa | 1473 | struct sp_port_config config; \ |
c33efc48 | 1474 | TRACE("%p, %d", port, x); \ |
dec10e31 | 1475 | CHECK_OPEN_PORT(); \ |
e33ab9aa ML |
1476 | TRY(get_config(port, &data, &config)); \ |
1477 | config.x = x; \ | |
1478 | TRY(set_config(port, &data, &config)); \ | |
c33efc48 | 1479 | RETURN_OK(); \ |
9069c2fb ML |
1480 | } |
1481 | ||
eb6ed20f ML |
1482 | CREATE_SETTER(baudrate, int) |
1483 | CREATE_SETTER(bits, int) | |
1484 | CREATE_SETTER(parity, enum sp_parity) | |
1485 | CREATE_SETTER(stopbits, int) | |
1486 | CREATE_SETTER(rts, enum sp_rts) | |
1487 | CREATE_SETTER(cts, enum sp_cts) | |
1488 | CREATE_SETTER(dtr, enum sp_dtr) | |
1489 | CREATE_SETTER(dsr, enum sp_dsr) | |
1490 | CREATE_SETTER(xon_xoff, enum sp_xonxoff) | |
1491 | ||
1492 | enum sp_return sp_set_flowcontrol(struct sp_port *port, enum sp_flowcontrol flowcontrol) | |
e33ab9aa | 1493 | { |
8f189c4c | 1494 | struct port_data data; |
e33ab9aa ML |
1495 | struct sp_port_config config; |
1496 | ||
c33efc48 ML |
1497 | TRACE("%p, %d", port, flowcontrol); |
1498 | ||
dec10e31 ML |
1499 | CHECK_OPEN_PORT(); |
1500 | ||
1501 | if (flowcontrol > SP_FLOWCONTROL_DTRDSR) | |
1502 | RETURN_ERROR(SP_ERR_ARG, "Invalid flow control setting"); | |
823690ae | 1503 | |
e33ab9aa ML |
1504 | TRY(get_config(port, &data, &config)); |
1505 | ||
1506 | if (flowcontrol == SP_FLOWCONTROL_XONXOFF) | |
1507 | config.xon_xoff = SP_XONXOFF_INOUT; | |
1508 | else | |
1509 | config.xon_xoff = SP_XONXOFF_DISABLED; | |
1510 | ||
1511 | if (flowcontrol == SP_FLOWCONTROL_RTSCTS) { | |
1512 | config.rts = SP_RTS_FLOW_CONTROL; | |
1513 | config.cts = SP_CTS_FLOW_CONTROL; | |
1514 | } else { | |
1515 | if (config.rts == SP_RTS_FLOW_CONTROL) | |
1516 | config.rts = SP_RTS_ON; | |
1517 | config.cts = SP_CTS_IGNORE; | |
1518 | } | |
1519 | ||
1520 | if (flowcontrol == SP_FLOWCONTROL_DTRDSR) { | |
1521 | config.dtr = SP_DTR_FLOW_CONTROL; | |
1522 | config.dsr = SP_DSR_FLOW_CONTROL; | |
1523 | } else { | |
1524 | if (config.dtr == SP_DTR_FLOW_CONTROL) | |
1525 | config.dtr = SP_DTR_ON; | |
1526 | config.dsr = SP_DSR_IGNORE; | |
1527 | } | |
1528 | ||
1529 | TRY(set_config(port, &data, &config)); | |
1530 | ||
c33efc48 | 1531 | RETURN_OK(); |
e33ab9aa ML |
1532 | } |
1533 | ||
8cf7c697 ML |
1534 | enum sp_return sp_get_signals(struct sp_port *port, enum sp_signal *signals) |
1535 | { | |
c33efc48 ML |
1536 | TRACE("%p, %p", port, signals); |
1537 | ||
dec10e31 | 1538 | CHECK_OPEN_PORT(); |
8cf7c697 ML |
1539 | |
1540 | if (!signals) | |
c33efc48 | 1541 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); |
8cf7c697 | 1542 | |
ea667be7 ML |
1543 | DEBUG("Getting control signals for port %s", port->name); |
1544 | ||
8cf7c697 ML |
1545 | *signals = 0; |
1546 | #ifdef _WIN32 | |
1547 | DWORD bits; | |
1548 | if (GetCommModemStatus(port->hdl, &bits) == 0) | |
c33efc48 | 1549 | RETURN_FAIL("GetCommModemStatus() failed"); |
8cf7c697 ML |
1550 | if (bits & MS_CTS_ON) |
1551 | *signals |= SP_SIG_CTS; | |
1552 | if (bits & MS_DSR_ON) | |
1553 | *signals |= SP_SIG_DSR; | |
8cf7c697 | 1554 | if (bits & MS_RLSD_ON) |
a6cda1e8 ML |
1555 | *signals |= SP_SIG_DCD; |
1556 | if (bits & MS_RING_ON) | |
8cf7c697 ML |
1557 | *signals |= SP_SIG_RI; |
1558 | #else | |
1559 | int bits; | |
1560 | if (ioctl(port->fd, TIOCMGET, &bits) < 0) | |
c33efc48 | 1561 | RETURN_FAIL("TIOCMGET ioctl failed"); |
8cf7c697 ML |
1562 | if (bits & TIOCM_CTS) |
1563 | *signals |= SP_SIG_CTS; | |
1564 | if (bits & TIOCM_DSR) | |
1565 | *signals |= SP_SIG_DSR; | |
1566 | if (bits & TIOCM_CAR) | |
1567 | *signals |= SP_SIG_DCD; | |
1568 | if (bits & TIOCM_RNG) | |
1569 | *signals |= SP_SIG_RI; | |
1570 | #endif | |
c33efc48 | 1571 | RETURN_OK(); |
8cf7c697 ML |
1572 | } |
1573 | ||
90cc3ee6 ML |
1574 | enum sp_return sp_start_break(struct sp_port *port) |
1575 | { | |
c33efc48 ML |
1576 | TRACE("%p", port); |
1577 | ||
dec10e31 | 1578 | CHECK_OPEN_PORT(); |
90cc3ee6 ML |
1579 | #ifdef _WIN32 |
1580 | if (SetCommBreak(port->hdl) == 0) | |
c33efc48 | 1581 | RETURN_FAIL("SetCommBreak() failed"); |
90cc3ee6 ML |
1582 | #else |
1583 | if (ioctl(port->fd, TIOCSBRK, 1) < 0) | |
c33efc48 | 1584 | RETURN_FAIL("TIOCSBRK ioctl failed"); |
90cc3ee6 ML |
1585 | #endif |
1586 | ||
c33efc48 | 1587 | RETURN_OK(); |
90cc3ee6 ML |
1588 | } |
1589 | ||
1590 | enum sp_return sp_end_break(struct sp_port *port) | |
1591 | { | |
c33efc48 ML |
1592 | TRACE("%p", port); |
1593 | ||
dec10e31 | 1594 | CHECK_OPEN_PORT(); |
90cc3ee6 ML |
1595 | #ifdef _WIN32 |
1596 | if (ClearCommBreak(port->hdl) == 0) | |
c33efc48 | 1597 | RETURN_FAIL("ClearCommBreak() failed"); |
90cc3ee6 ML |
1598 | #else |
1599 | if (ioctl(port->fd, TIOCCBRK, 1) < 0) | |
c33efc48 | 1600 | RETURN_FAIL("TIOCCBRK ioctl failed"); |
90cc3ee6 ML |
1601 | #endif |
1602 | ||
c33efc48 | 1603 | RETURN_OK(); |
90cc3ee6 ML |
1604 | } |
1605 | ||
74510d4b ML |
1606 | int sp_last_error_code(void) |
1607 | { | |
c33efc48 | 1608 | TRACE(""); |
74510d4b | 1609 | #ifdef _WIN32 |
c33efc48 | 1610 | RETURN_VALUE("%d", GetLastError()); |
74510d4b | 1611 | #else |
c33efc48 | 1612 | RETURN_VALUE("%d", errno); |
74510d4b ML |
1613 | #endif |
1614 | } | |
1615 | ||
74510d4b ML |
1616 | char *sp_last_error_message(void) |
1617 | { | |
c33efc48 ML |
1618 | TRACE(""); |
1619 | ||
74510d4b ML |
1620 | #ifdef _WIN32 |
1621 | LPVOID message; | |
1622 | DWORD error = GetLastError(); | |
1623 | ||
1624 | FormatMessage( | |
1625 | FORMAT_MESSAGE_ALLOCATE_BUFFER | | |
1626 | FORMAT_MESSAGE_FROM_SYSTEM | | |
1627 | FORMAT_MESSAGE_IGNORE_INSERTS, | |
1628 | NULL, | |
1629 | error, | |
1630 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), | |
1631 | (LPTSTR) &message, | |
1632 | 0, NULL ); | |
1633 | ||
c33efc48 | 1634 | RETURN_VALUE("%s", message); |
74510d4b | 1635 | #else |
c33efc48 | 1636 | RETURN_VALUE("%s", strerror(errno)); |
74510d4b ML |
1637 | #endif |
1638 | } | |
1639 | ||
74510d4b ML |
1640 | void sp_free_error_message(char *message) |
1641 | { | |
c33efc48 ML |
1642 | TRACE("%s", message); |
1643 | ||
74510d4b ML |
1644 | #ifdef _WIN32 |
1645 | LocalFree(message); | |
64eec30d ML |
1646 | #else |
1647 | (void)message; | |
74510d4b | 1648 | #endif |
c33efc48 ML |
1649 | |
1650 | RETURN(); | |
74510d4b | 1651 | } |
863b35e6 ML |
1652 | |
1653 | void sp_set_debug_handler(void (*handler)(const char *format, ...)) | |
1654 | { | |
c33efc48 ML |
1655 | TRACE("%p", handler); |
1656 | ||
863b35e6 | 1657 | sp_debug_handler = handler; |
c33efc48 ML |
1658 | |
1659 | RETURN(); | |
863b35e6 ML |
1660 | } |
1661 | ||
1662 | void sp_default_debug_handler(const char *format, ...) | |
1663 | { | |
1664 | va_list args; | |
1665 | va_start(args, format); | |
1666 | if (getenv("LIBSERIALPORT_DEBUG")) { | |
1667 | fputs("libserialport: ", stderr); | |
1668 | vfprintf(stderr, format, args); | |
1669 | } | |
1670 | va_end(args); | |
1671 | } |