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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; | |
33d5ff47 | 63 | int nonblocking; |
1c5aae9d ML |
64 | #ifdef _WIN32 |
65 | HANDLE hdl; | |
a3cb91f5 | 66 | OVERLAPPED write_ovl; |
0765af56 | 67 | BYTE pending_byte; |
a3cb91f5 | 68 | BOOL writing; |
1c5aae9d ML |
69 | #else |
70 | int fd; | |
71 | #endif | |
72 | }; | |
73 | ||
9b1502ef ML |
74 | struct sp_port_config { |
75 | int baudrate; | |
76 | int bits; | |
77 | enum sp_parity parity; | |
78 | int stopbits; | |
79 | enum sp_rts rts; | |
80 | enum sp_cts cts; | |
81 | enum sp_dtr dtr; | |
82 | enum sp_dsr dsr; | |
83 | enum sp_xonxoff xon_xoff; | |
84 | }; | |
85 | ||
8f189c4c | 86 | struct port_data { |
8094e4a0 ML |
87 | #ifdef _WIN32 |
88 | DCB dcb; | |
89 | #else | |
90 | struct termios term; | |
824dcb45 | 91 | int controlbits; |
68ec29db | 92 | int termiox_supported; |
40978c2b ML |
93 | int flow; |
94 | #endif | |
8094e4a0 ML |
95 | }; |
96 | ||
da2748bf ML |
97 | /* Standard baud rates. */ |
98 | #ifdef _WIN32 | |
99 | #define BAUD_TYPE DWORD | |
100 | #define BAUD(n) {CBR_##n, n} | |
101 | #else | |
102 | #define BAUD_TYPE speed_t | |
103 | #define BAUD(n) {B##n, n} | |
104 | #endif | |
105 | ||
106 | struct std_baudrate { | |
107 | BAUD_TYPE index; | |
108 | int value; | |
109 | }; | |
110 | ||
111 | const struct std_baudrate std_baudrates[] = { | |
112 | #ifdef _WIN32 | |
113 | /* | |
114 | * The baudrates 50/75/134/150/200/1800/230400/460800 do not seem to | |
115 | * have documented CBR_* macros. | |
116 | */ | |
117 | BAUD(110), BAUD(300), BAUD(600), BAUD(1200), BAUD(2400), BAUD(4800), | |
118 | BAUD(9600), BAUD(14400), BAUD(19200), BAUD(38400), BAUD(57600), | |
eac329d2 | 119 | BAUD(115200), BAUD(128000), BAUD(256000), |
da2748bf | 120 | #else |
eac329d2 UH |
121 | BAUD(50), BAUD(75), BAUD(110), BAUD(134), BAUD(150), BAUD(200), |
122 | BAUD(300), BAUD(600), BAUD(1200), BAUD(1800), BAUD(2400), BAUD(4800), | |
123 | BAUD(9600), BAUD(19200), BAUD(38400), BAUD(57600), BAUD(115200), | |
124 | BAUD(230400), | |
da2748bf | 125 | #if !defined(__APPLE__) && !defined(__OpenBSD__) |
eac329d2 | 126 | BAUD(460800), |
da2748bf ML |
127 | #endif |
128 | #endif | |
129 | }; | |
130 | ||
863b35e6 ML |
131 | void (*sp_debug_handler)(const char *format, ...) = sp_default_debug_handler; |
132 | ||
da2748bf ML |
133 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) |
134 | #define NUM_STD_BAUDRATES ARRAY_SIZE(std_baudrates) | |
135 | ||
92f756f8 ML |
136 | /* Debug output macros. */ |
137 | #define DEBUG(fmt, ...) do { if (sp_debug_handler) sp_debug_handler(fmt ".\n", ##__VA_ARGS__); } while (0) | |
138 | #define DEBUG_ERROR(err, msg) DEBUG("%s returning " #err ": " msg, __func__) | |
139 | #define DEBUG_FAIL(msg) do { \ | |
140 | char *errmsg = sp_last_error_message(); \ | |
141 | DEBUG("%s returning SP_ERR_FAIL: " msg ": %s", __func__, errmsg); \ | |
142 | sp_free_error_message(errmsg); \ | |
143 | } while (0); | |
144 | #define RETURN() do { DEBUG("%s returning", __func__); return; } while(0) | |
145 | #define RETURN_CODE(x) do { DEBUG("%s returning " #x, __func__); return x; } while (0) | |
146 | #define RETURN_CODEVAL(x) do { \ | |
147 | switch (x) { \ | |
148 | case SP_OK: RETURN_CODE(SP_OK); \ | |
149 | case SP_ERR_ARG: RETURN_CODE(SP_ERR_ARG); \ | |
150 | case SP_ERR_FAIL: RETURN_CODE(SP_ERR_FAIL); \ | |
151 | case SP_ERR_MEM: RETURN_CODE(SP_ERR_MEM); \ | |
152 | case SP_ERR_SUPP: RETURN_CODE(SP_ERR_SUPP); \ | |
153 | } \ | |
154 | } while (0) | |
155 | #define RETURN_OK() RETURN_CODE(SP_OK); | |
156 | #define RETURN_ERROR(err, msg) do { DEBUG_ERROR(err, msg); return err; } while (0) | |
157 | #define RETURN_FAIL(msg) do { DEBUG_FAIL(msg); return SP_ERR_FAIL; } while (0) | |
158 | #define RETURN_VALUE(fmt, x) do { DEBUG("%s returning " fmt, __func__, x); return x; } while (0) | |
159 | #define SET_ERROR(val, err, msg) do { DEBUG_ERROR(err, msg); val = err; } while (0) | |
aac4d7f2 | 160 | #define SET_FAIL(val, msg) do { DEBUG_FAIL(msg); val = SP_ERR_FAIL; } while (0) |
92f756f8 ML |
161 | #define TRACE(fmt, ...) DEBUG("%s(" fmt ") called", __func__, ##__VA_ARGS__) |
162 | ||
64690702 ML |
163 | #define TRY(x) do { int ret = x; if (ret != SP_OK) RETURN_CODEVAL(ret); } while (0) |
164 | ||
348e23cc | 165 | /* Helper functions. */ |
348e23cc | 166 | static struct sp_port **list_append(struct sp_port **list, const char *portname); |
eb6ed20f ML |
167 | static enum sp_return get_config(struct sp_port *port, struct port_data *data, |
168 | struct sp_port_config *config); | |
169 | static enum sp_return set_config(struct sp_port *port, struct port_data *data, | |
170 | const struct sp_port_config *config); | |
80186526 | 171 | |
eb6ed20f | 172 | enum sp_return sp_get_port_by_name(const char *portname, struct sp_port **port_ptr) |
d54e9004 ML |
173 | { |
174 | struct sp_port *port; | |
5919c913 | 175 | int len; |
d54e9004 | 176 | |
c33efc48 ML |
177 | TRACE("%s, %p", portname, port_ptr); |
178 | ||
32b5ac05 | 179 | if (!port_ptr) |
c33efc48 | 180 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); |
32b5ac05 | 181 | |
77f262c4 ML |
182 | *port_ptr = NULL; |
183 | ||
d4babed2 | 184 | if (!portname) |
c33efc48 | 185 | RETURN_ERROR(SP_ERR_ARG, "Null port name"); |
d4babed2 | 186 | |
ea667be7 ML |
187 | DEBUG("Building structure for port %s", portname); |
188 | ||
d54e9004 | 189 | if (!(port = malloc(sizeof(struct sp_port)))) |
c33efc48 | 190 | RETURN_ERROR(SP_ERR_MEM, "Port structure malloc failed"); |
d54e9004 | 191 | |
5919c913 ML |
192 | len = strlen(portname) + 1; |
193 | ||
eac329d2 | 194 | if (!(port->name = malloc(len))) { |
d54e9004 | 195 | free(port); |
c33efc48 | 196 | RETURN_ERROR(SP_ERR_MEM, "Port name malloc failed"); |
d54e9004 ML |
197 | } |
198 | ||
199 | memcpy(port->name, portname, len); | |
200 | ||
8f471c66 ML |
201 | #ifdef _WIN32 |
202 | port->hdl = INVALID_HANDLE_VALUE; | |
203 | #else | |
204 | port->fd = -1; | |
205 | #endif | |
206 | ||
77f262c4 ML |
207 | *port_ptr = port; |
208 | ||
c33efc48 | 209 | RETURN_OK(); |
d54e9004 ML |
210 | } |
211 | ||
1c5aae9d ML |
212 | char *sp_get_port_name(const struct sp_port *port) |
213 | { | |
214 | TRACE("%p", port); | |
215 | ||
216 | if (!port) | |
217 | return NULL; | |
218 | ||
219 | RETURN_VALUE("%s", port->name); | |
220 | } | |
221 | ||
3c126654 ML |
222 | enum sp_return sp_get_port_handle(const struct sp_port *port, void *result_ptr) |
223 | { | |
00d8c56d | 224 | TRACE("%p, %p", port, result_ptr); |
3c126654 ML |
225 | |
226 | if (!port) | |
227 | RETURN_ERROR(SP_ERR_ARG, "Null port"); | |
228 | ||
229 | #ifdef _WIN32 | |
230 | HANDLE *handle_ptr = result_ptr; | |
231 | *handle_ptr = port->hdl; | |
232 | #else | |
233 | int *fd_ptr = result_ptr; | |
234 | *fd_ptr = port->fd; | |
235 | #endif | |
236 | ||
237 | RETURN_OK(); | |
238 | } | |
239 | ||
eb6ed20f | 240 | enum sp_return sp_copy_port(const struct sp_port *port, struct sp_port **copy_ptr) |
32b5ac05 | 241 | { |
c33efc48 ML |
242 | TRACE("%p, %p", port, copy_ptr); |
243 | ||
32b5ac05 | 244 | if (!copy_ptr) |
c33efc48 | 245 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); |
32b5ac05 ML |
246 | |
247 | *copy_ptr = NULL; | |
248 | ||
c33efc48 ML |
249 | if (!port) |
250 | RETURN_ERROR(SP_ERR_ARG, "Null port"); | |
251 | ||
252 | if (!port->name) | |
253 | RETURN_ERROR(SP_ERR_ARG, "Null port name"); | |
32b5ac05 | 254 | |
ea667be7 ML |
255 | DEBUG("Copying port structure"); |
256 | ||
c33efc48 | 257 | RETURN_VALUE("%p", sp_get_port_by_name(port->name, copy_ptr)); |
32b5ac05 ML |
258 | } |
259 | ||
e3b2f7a4 ML |
260 | void sp_free_port(struct sp_port *port) |
261 | { | |
c33efc48 ML |
262 | TRACE("%p", port); |
263 | ||
00d8c56d | 264 | if (!port) { |
c33efc48 ML |
265 | DEBUG("Null port"); |
266 | RETURN(); | |
267 | } | |
e3b2f7a4 | 268 | |
ea667be7 ML |
269 | DEBUG("Freeing port structure"); |
270 | ||
e3b2f7a4 ML |
271 | if (port->name) |
272 | free(port->name); | |
273 | ||
274 | free(port); | |
c33efc48 ML |
275 | |
276 | RETURN(); | |
e3b2f7a4 ML |
277 | } |
278 | ||
348e23cc | 279 | static struct sp_port **list_append(struct sp_port **list, const char *portname) |
3b63f34d ML |
280 | { |
281 | void *tmp; | |
282 | unsigned int count; | |
f92f1f0c | 283 | |
3b63f34d | 284 | for (count = 0; list[count]; count++); |
d54e9004 | 285 | if (!(tmp = realloc(list, sizeof(struct sp_port *) * (count + 2)))) |
3b63f34d ML |
286 | goto fail; |
287 | list = tmp; | |
77f262c4 | 288 | if (sp_get_port_by_name(portname, &list[count]) != SP_OK) |
3b63f34d | 289 | goto fail; |
db2794ce | 290 | list[count + 1] = NULL; |
3b63f34d | 291 | return list; |
f92f1f0c | 292 | |
3b63f34d ML |
293 | fail: |
294 | sp_free_port_list(list); | |
295 | return NULL; | |
296 | } | |
297 | ||
eb6ed20f | 298 | enum sp_return sp_list_ports(struct sp_port ***list_ptr) |
3b63f34d | 299 | { |
d54e9004 | 300 | struct sp_port **list; |
6b93ede4 | 301 | int ret = SP_ERR_SUPP; |
24c1a4bb | 302 | |
c33efc48 ML |
303 | TRACE("%p", list_ptr); |
304 | ||
dec10e31 ML |
305 | if (!list_ptr) |
306 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); | |
307 | ||
ea667be7 ML |
308 | DEBUG("Enumerating ports"); |
309 | ||
d54e9004 | 310 | if (!(list = malloc(sizeof(struct sp_port **)))) |
c33efc48 | 311 | RETURN_ERROR(SP_ERR_MEM, "Port list malloc failed"); |
24c1a4bb ML |
312 | |
313 | list[0] = NULL; | |
3b63f34d ML |
314 | |
315 | #ifdef _WIN32 | |
316 | HKEY key; | |
bdfb5b8c ML |
317 | TCHAR *value, *data; |
318 | DWORD max_value_len, max_data_size, max_data_len; | |
319 | DWORD value_len, data_size, data_len; | |
3b63f34d | 320 | DWORD type, index = 0; |
8b532d9c ML |
321 | char *name; |
322 | int name_len; | |
3b63f34d | 323 | |
6b93ede4 ML |
324 | ret = SP_OK; |
325 | ||
ea667be7 | 326 | DEBUG("Opening registry key"); |
3b63f34d | 327 | if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("HARDWARE\\DEVICEMAP\\SERIALCOMM"), |
eac329d2 | 328 | 0, KEY_QUERY_VALUE, &key) != ERROR_SUCCESS) { |
c33efc48 | 329 | SET_FAIL(ret, "RegOpenKeyEx() failed"); |
77f262c4 ML |
330 | goto out_done; |
331 | } | |
ea667be7 | 332 | DEBUG("Querying registry key value and data sizes"); |
3b63f34d | 333 | if (RegQueryInfoKey(key, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
eac329d2 | 334 | &max_value_len, &max_data_size, NULL, NULL) != ERROR_SUCCESS) { |
c33efc48 | 335 | SET_FAIL(ret, "RegQueryInfoKey() failed"); |
3b63f34d | 336 | goto out_close; |
77f262c4 | 337 | } |
3b63f34d | 338 | max_data_len = max_data_size / sizeof(TCHAR); |
eac329d2 | 339 | if (!(value = malloc((max_value_len + 1) * sizeof(TCHAR)))) { |
c33efc48 | 340 | SET_ERROR(ret, SP_ERR_MEM, "registry value malloc failed"); |
3b63f34d | 341 | goto out_close; |
77f262c4 | 342 | } |
eac329d2 | 343 | if (!(data = malloc((max_data_len + 1) * sizeof(TCHAR)))) { |
c33efc48 | 344 | SET_ERROR(ret, SP_ERR_MEM, "registry data malloc failed"); |
bdfb5b8c | 345 | goto out_free_value; |
77f262c4 | 346 | } |
ea667be7 | 347 | DEBUG("Iterating over values"); |
3b63f34d | 348 | while ( |
d9573bad | 349 | value_len = max_value_len + 1, |
3b63f34d | 350 | data_size = max_data_size, |
bdfb5b8c | 351 | RegEnumValue(key, index, value, &value_len, |
3b63f34d ML |
352 | NULL, &type, (LPBYTE)data, &data_size) == ERROR_SUCCESS) |
353 | { | |
354 | data_len = data_size / sizeof(TCHAR); | |
355 | data[data_len] = '\0'; | |
8b532d9c ML |
356 | #ifdef UNICODE |
357 | name_len = WideCharToMultiByte(CP_ACP, 0, data, -1, NULL, 0, NULL, NULL) | |
358 | #else | |
359 | name_len = data_len + 1; | |
360 | #endif | |
eac329d2 | 361 | if (!(name = malloc(name_len))) { |
c33efc48 | 362 | SET_ERROR(ret, SP_ERR_MEM, "registry port name malloc failed"); |
8b532d9c | 363 | goto out; |
77f262c4 | 364 | } |
8b532d9c ML |
365 | #ifdef UNICODE |
366 | WideCharToMultiByte(CP_ACP, 0, data, -1, name, name_len, NULL, NULL); | |
367 | #else | |
368 | strcpy(name, data); | |
369 | #endif | |
c33efc48 ML |
370 | if (type == REG_SZ) { |
371 | DEBUG("Found port %s", name); | |
372 | if (!(list = list_append(list, name))) { | |
373 | SET_ERROR(ret, SP_ERR_MEM, "list append failed"); | |
374 | goto out; | |
375 | } | |
77f262c4 | 376 | } |
3b63f34d ML |
377 | index++; |
378 | } | |
379 | out: | |
380 | free(data); | |
bdfb5b8c ML |
381 | out_free_value: |
382 | free(value); | |
3b63f34d ML |
383 | out_close: |
384 | RegCloseKey(key); | |
77f262c4 | 385 | out_done: |
3b63f34d ML |
386 | #endif |
387 | #ifdef __APPLE__ | |
388 | mach_port_t master; | |
389 | CFMutableDictionaryRef classes; | |
390 | io_iterator_t iter; | |
391 | char *path; | |
392 | io_object_t port; | |
393 | CFTypeRef cf_path; | |
394 | Boolean result; | |
395 | ||
6b93ede4 ML |
396 | ret = SP_OK; |
397 | ||
ea667be7 | 398 | DEBUG("Getting IOKit master port"); |
eac329d2 | 399 | if (IOMasterPort(MACH_PORT_NULL, &master) != KERN_SUCCESS) { |
c33efc48 | 400 | SET_FAIL(ret, "IOMasterPort() failed"); |
77f262c4 ML |
401 | goto out_done; |
402 | } | |
3b63f34d | 403 | |
ea667be7 | 404 | DEBUG("Creating matching dictionary"); |
eac329d2 | 405 | if (!(classes = IOServiceMatching(kIOSerialBSDServiceValue))) { |
c33efc48 | 406 | SET_FAIL(ret, "IOServiceMatching() failed"); |
77f262c4 ML |
407 | goto out_done; |
408 | } | |
3b63f34d ML |
409 | |
410 | CFDictionarySetValue(classes, | |
411 | CFSTR(kIOSerialBSDTypeKey), CFSTR(kIOSerialBSDAllTypes)); | |
412 | ||
ea667be7 | 413 | DEBUG("Getting matching services"); |
eac329d2 | 414 | if (IOServiceGetMatchingServices(master, classes, &iter) != KERN_SUCCESS) { |
c33efc48 | 415 | SET_FAIL(ret, "IOServiceGetMatchingServices() failed"); |
77f262c4 ML |
416 | goto out_done; |
417 | } | |
3b63f34d | 418 | |
eac329d2 | 419 | if (!(path = malloc(PATH_MAX))) { |
c33efc48 | 420 | SET_ERROR(ret, SP_ERR_MEM, "device path malloc failed"); |
3b63f34d | 421 | goto out_release; |
77f262c4 | 422 | } |
3b63f34d | 423 | |
ea667be7 | 424 | DEBUG("Iterating over results"); |
1ebf4347 | 425 | while ((port = IOIteratorNext(iter))) { |
3b63f34d ML |
426 | cf_path = IORegistryEntryCreateCFProperty(port, |
427 | CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0); | |
428 | if (cf_path) { | |
429 | result = CFStringGetCString(cf_path, | |
430 | path, PATH_MAX, kCFStringEncodingASCII); | |
431 | CFRelease(cf_path); | |
c33efc48 ML |
432 | if (result) { |
433 | DEBUG("Found port %s", path); | |
434 | if (!(list = list_append(list, path))) { | |
435 | SET_ERROR(ret, SP_ERR_MEM, "list append failed"); | |
436 | IOObjectRelease(port); | |
437 | goto out; | |
438 | } | |
77f262c4 | 439 | } |
3b63f34d ML |
440 | } |
441 | IOObjectRelease(port); | |
442 | } | |
3b63f34d ML |
443 | out: |
444 | free(path); | |
445 | out_release: | |
446 | IOObjectRelease(iter); | |
77f262c4 | 447 | out_done: |
3b63f34d ML |
448 | #endif |
449 | #ifdef __linux__ | |
450 | struct udev *ud; | |
451 | struct udev_enumerate *ud_enumerate; | |
452 | struct udev_list_entry *ud_list; | |
453 | struct udev_list_entry *ud_entry; | |
454 | const char *path; | |
08fe0bdb | 455 | struct udev_device *ud_dev, *ud_parent; |
3b63f34d | 456 | const char *name; |
4b97c9fc ML |
457 | const char *driver; |
458 | int fd, ioctl_result; | |
459 | struct serial_struct serial_info; | |
3b63f34d | 460 | |
6b93ede4 ML |
461 | ret = SP_OK; |
462 | ||
ea667be7 | 463 | DEBUG("Enumerating tty devices"); |
3b63f34d ML |
464 | ud = udev_new(); |
465 | ud_enumerate = udev_enumerate_new(ud); | |
466 | udev_enumerate_add_match_subsystem(ud_enumerate, "tty"); | |
467 | udev_enumerate_scan_devices(ud_enumerate); | |
468 | ud_list = udev_enumerate_get_list_entry(ud_enumerate); | |
ea667be7 | 469 | DEBUG("Iterating over results"); |
eac329d2 | 470 | udev_list_entry_foreach(ud_entry, ud_list) { |
3b63f34d | 471 | path = udev_list_entry_get_name(ud_entry); |
ea667be7 | 472 | DEBUG("Found device %s", path); |
3b63f34d | 473 | ud_dev = udev_device_new_from_syspath(ud, path); |
08fe0bdb ML |
474 | /* If there is no parent device, this is a virtual tty. */ |
475 | ud_parent = udev_device_get_parent(ud_dev); | |
eac329d2 | 476 | if (ud_parent == NULL) { |
ea667be7 | 477 | DEBUG("No parent device, assuming virtual tty"); |
08fe0bdb ML |
478 | udev_device_unref(ud_dev); |
479 | continue; | |
480 | } | |
3b63f34d | 481 | name = udev_device_get_devnode(ud_dev); |
4b97c9fc ML |
482 | /* The serial8250 driver has a hardcoded number of ports. |
483 | * The only way to tell which actually exist on a given system | |
484 | * is to try to open them and make an ioctl call. */ | |
485 | driver = udev_device_get_driver(ud_parent); | |
eac329d2 | 486 | if (driver && !strcmp(driver, "serial8250")) { |
ea667be7 ML |
487 | DEBUG("serial8250 device, attempting to open"); |
488 | if ((fd = open(name, O_RDWR | O_NONBLOCK | O_NOCTTY)) < 0) { | |
489 | DEBUG("open failed, skipping"); | |
4b97c9fc | 490 | goto skip; |
ea667be7 | 491 | } |
4b97c9fc ML |
492 | ioctl_result = ioctl(fd, TIOCGSERIAL, &serial_info); |
493 | close(fd); | |
ea667be7 ML |
494 | if (ioctl_result != 0) { |
495 | DEBUG("ioctl failed, skipping"); | |
4b97c9fc | 496 | goto skip; |
ea667be7 ML |
497 | } |
498 | if (serial_info.type == PORT_UNKNOWN) { | |
499 | DEBUG("port type is unknown, skipping"); | |
4b97c9fc | 500 | goto skip; |
ea667be7 | 501 | } |
4b97c9fc | 502 | } |
c33efc48 | 503 | DEBUG("Found port %s", name); |
348e23cc | 504 | list = list_append(list, name); |
4b97c9fc | 505 | skip: |
3b63f34d | 506 | udev_device_unref(ud_dev); |
eac329d2 | 507 | if (!list) { |
c33efc48 | 508 | SET_ERROR(ret, SP_ERR_MEM, "list append failed"); |
3b63f34d | 509 | goto out; |
77f262c4 | 510 | } |
3b63f34d ML |
511 | } |
512 | out: | |
513 | udev_enumerate_unref(ud_enumerate); | |
514 | udev_unref(ud); | |
3b63f34d | 515 | #endif |
77f262c4 | 516 | |
6b93ede4 ML |
517 | switch (ret) { |
518 | case SP_OK: | |
77f262c4 | 519 | *list_ptr = list; |
c33efc48 | 520 | RETURN_OK(); |
6b93ede4 ML |
521 | case SP_ERR_SUPP: |
522 | DEBUG_ERROR(SP_ERR_SUPP, "Enumeration not supported on this platform."); | |
523 | default: | |
77f262c4 ML |
524 | if (list) |
525 | sp_free_port_list(list); | |
77f262c4 | 526 | *list_ptr = NULL; |
c33efc48 | 527 | return ret; |
77f262c4 | 528 | } |
3b63f34d ML |
529 | } |
530 | ||
d54e9004 | 531 | void sp_free_port_list(struct sp_port **list) |
3b63f34d ML |
532 | { |
533 | unsigned int i; | |
f92f1f0c | 534 | |
c33efc48 ML |
535 | TRACE("%p", list); |
536 | ||
dec10e31 ML |
537 | if (!list) { |
538 | DEBUG("Null list"); | |
539 | RETURN(); | |
540 | } | |
541 | ||
ea667be7 ML |
542 | DEBUG("Freeing port list"); |
543 | ||
3b63f34d | 544 | for (i = 0; list[i]; i++) |
e3b2f7a4 | 545 | sp_free_port(list[i]); |
3b63f34d | 546 | free(list); |
c33efc48 ML |
547 | |
548 | RETURN(); | |
3b63f34d ML |
549 | } |
550 | ||
c33efc48 ML |
551 | #define CHECK_PORT() do { \ |
552 | if (port == NULL) \ | |
553 | RETURN_ERROR(SP_ERR_ARG, "Null port"); \ | |
dec10e31 ML |
554 | if (port->name == NULL) \ |
555 | RETURN_ERROR(SP_ERR_ARG, "Null port name"); \ | |
556 | } while (0) | |
557 | #ifdef _WIN32 | |
558 | #define CHECK_PORT_HANDLE() do { \ | |
c33efc48 ML |
559 | if (port->hdl == INVALID_HANDLE_VALUE) \ |
560 | RETURN_ERROR(SP_ERR_ARG, "Invalid port handle"); \ | |
dec10e31 | 561 | } while (0) |
74510d4b | 562 | #else |
dec10e31 | 563 | #define CHECK_PORT_HANDLE() do { \ |
c33efc48 ML |
564 | if (port->fd < 0) \ |
565 | RETURN_ERROR(SP_ERR_ARG, "Invalid port fd"); \ | |
dec10e31 | 566 | } while (0) |
74510d4b | 567 | #endif |
dec10e31 ML |
568 | #define CHECK_OPEN_PORT() do { \ |
569 | CHECK_PORT(); \ | |
570 | CHECK_PORT_HANDLE(); \ | |
571 | } while (0) | |
74510d4b | 572 | |
eb6ed20f | 573 | enum sp_return sp_open(struct sp_port *port, enum sp_mode flags) |
74510d4b | 574 | { |
bccc7c9f ML |
575 | struct port_data data; |
576 | struct sp_port_config config; | |
577 | enum sp_return ret; | |
578 | ||
00d8c56d | 579 | TRACE("%p, 0x%x", port, flags); |
c33efc48 | 580 | |
dec10e31 ML |
581 | CHECK_PORT(); |
582 | ||
583 | if (flags > (SP_MODE_READ | SP_MODE_WRITE | SP_MODE_NONBLOCK)) | |
584 | RETURN_ERROR(SP_ERR_ARG, "Invalid flags"); | |
74510d4b | 585 | |
ea667be7 ML |
586 | DEBUG("Opening port %s", port->name); |
587 | ||
33d5ff47 ML |
588 | port->nonblocking = (flags & SP_MODE_NONBLOCK) ? 1 : 0; |
589 | ||
74510d4b ML |
590 | #ifdef _WIN32 |
591 | DWORD desired_access = 0, flags_and_attributes = 0; | |
a3cb91f5 | 592 | COMMTIMEOUTS timeouts; |
99945a1f ML |
593 | char *escaped_port_name; |
594 | ||
595 | /* Prefix port name with '\\.\' to work with ports above COM9. */ | |
596 | if (!(escaped_port_name = malloc(strlen(port->name + 5)))) | |
c33efc48 | 597 | RETURN_ERROR(SP_ERR_MEM, "Escaped port name malloc failed"); |
99945a1f ML |
598 | sprintf(escaped_port_name, "\\\\.\\%s", port->name); |
599 | ||
74510d4b | 600 | /* Map 'flags' to the OS-specific settings. */ |
74510d4b | 601 | flags_and_attributes = FILE_ATTRIBUTE_NORMAL; |
a036341b ML |
602 | if (flags & SP_MODE_READ) |
603 | desired_access |= GENERIC_READ; | |
604 | if (flags & SP_MODE_WRITE) | |
74510d4b ML |
605 | desired_access |= GENERIC_WRITE; |
606 | if (flags & SP_MODE_NONBLOCK) | |
607 | flags_and_attributes |= FILE_FLAG_OVERLAPPED; | |
608 | ||
99945a1f | 609 | port->hdl = CreateFile(escaped_port_name, desired_access, 0, 0, |
74510d4b | 610 | OPEN_EXISTING, flags_and_attributes, 0); |
99945a1f ML |
611 | |
612 | free(escaped_port_name); | |
613 | ||
74510d4b | 614 | if (port->hdl == INVALID_HANDLE_VALUE) |
c33efc48 | 615 | RETURN_FAIL("CreateFile() failed"); |
a3cb91f5 ML |
616 | |
617 | /* All timeouts disabled. */ | |
618 | timeouts.ReadIntervalTimeout = 0; | |
619 | timeouts.ReadTotalTimeoutMultiplier = 0; | |
620 | timeouts.ReadTotalTimeoutConstant = 0; | |
621 | timeouts.WriteTotalTimeoutMultiplier = 0; | |
622 | timeouts.WriteTotalTimeoutConstant = 0; | |
623 | ||
624 | if (port->nonblocking) { | |
625 | /* Set read timeout such that all reads return immediately. */ | |
626 | timeouts.ReadIntervalTimeout = MAXDWORD; | |
627 | /* Prepare OVERLAPPED structure for non-blocking writes. */ | |
628 | memset(&port->write_ovl, 0, sizeof(port->write_ovl)); | |
629 | if (!(port->write_ovl.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL))) { | |
630 | sp_close(port); | |
631 | RETURN_FAIL("CreateEvent() failed"); | |
632 | } | |
a3cb91f5 ML |
633 | port->writing = FALSE; |
634 | } | |
635 | ||
636 | if (SetCommTimeouts(port->hdl, &timeouts) == 0) { | |
637 | sp_close(port); | |
638 | RETURN_FAIL("SetCommTimeouts() failed"); | |
639 | } | |
74510d4b ML |
640 | #else |
641 | int flags_local = 0; | |
f92f1f0c | 642 | |
74510d4b | 643 | /* Map 'flags' to the OS-specific settings. */ |
a036341b | 644 | if (flags & (SP_MODE_READ | SP_MODE_WRITE)) |
74510d4b | 645 | flags_local |= O_RDWR; |
a036341b | 646 | else if (flags & SP_MODE_READ) |
74510d4b | 647 | flags_local |= O_RDONLY; |
a036341b ML |
648 | else if (flags & SP_MODE_WRITE) |
649 | flags_local |= O_WRONLY; | |
74510d4b ML |
650 | if (flags & SP_MODE_NONBLOCK) |
651 | flags_local |= O_NONBLOCK; | |
652 | ||
653 | if ((port->fd = open(port->name, flags_local)) < 0) | |
c33efc48 | 654 | RETURN_FAIL("open() failed"); |
bccc7c9f | 655 | #endif |
9cb98459 | 656 | |
e33ab9aa ML |
657 | ret = get_config(port, &data, &config); |
658 | ||
eac329d2 | 659 | if (ret < 0) { |
e33ab9aa | 660 | sp_close(port); |
c33efc48 | 661 | RETURN_CODEVAL(ret); |
e33ab9aa | 662 | } |
9cb98459 | 663 | |
bccc7c9f ML |
664 | /* Set sane port settings. */ |
665 | #ifdef _WIN32 | |
666 | data.dcb.fBinary = TRUE; | |
667 | data.dcb.fDsrSensitivity = FALSE; | |
668 | data.dcb.fErrorChar = FALSE; | |
669 | data.dcb.fNull = FALSE; | |
670 | data.dcb.fAbortOnError = TRUE; | |
671 | #else | |
b251be4b | 672 | /* Turn off all fancy termios tricks, give us a raw channel. */ |
c3e05092 UH |
673 | data.term.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IMAXBEL); |
674 | #ifdef IUCLC | |
675 | data.term.c_iflag &= ~IUCLC; | |
676 | #endif | |
677 | data.term.c_oflag &= ~(OPOST | ONLCR | OCRNL | ONOCR | ONLRET); | |
678 | #ifdef OLCUC | |
679 | data.term.c_oflag &= ~OLCUC; | |
680 | #endif | |
681 | #ifdef NLDLY | |
682 | data.term.c_oflag &= ~NLDLY; | |
683 | #endif | |
684 | #ifdef CRDLY | |
685 | data.term.c_oflag &= ~CRDLY; | |
686 | #endif | |
687 | #ifdef TABDLY | |
688 | data.term.c_oflag &= ~TABDLY; | |
689 | #endif | |
690 | #ifdef BSDLY | |
691 | data.term.c_oflag &= ~BSDLY; | |
692 | #endif | |
693 | #ifdef VTDLY | |
694 | data.term.c_oflag &= ~VTDLY; | |
695 | #endif | |
696 | #ifdef FFDLY | |
697 | data.term.c_oflag &= ~FFDLY; | |
698 | #endif | |
b251be4b | 699 | #ifdef OFILL |
9cb98459 ML |
700 | data.term.c_oflag &= ~OFILL; |
701 | #endif | |
c3e05092 | 702 | data.term.c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN); |
b251be4b ML |
703 | data.term.c_cc[VMIN] = 0; |
704 | data.term.c_cc[VTIME] = 0; | |
9cb98459 | 705 | |
b251be4b ML |
706 | /* Ignore modem status lines; enable receiver; leave control lines alone on close. */ |
707 | data.term.c_cflag |= (CLOCAL | CREAD | HUPCL); | |
bccc7c9f | 708 | #endif |
9cb98459 | 709 | |
e33ab9aa ML |
710 | ret = set_config(port, &data, &config); |
711 | ||
eac329d2 | 712 | if (ret < 0) { |
e33ab9aa | 713 | sp_close(port); |
c33efc48 | 714 | RETURN_CODEVAL(ret); |
e33ab9aa | 715 | } |
74510d4b | 716 | |
c33efc48 | 717 | RETURN_OK(); |
74510d4b ML |
718 | } |
719 | ||
eb6ed20f | 720 | enum sp_return sp_close(struct sp_port *port) |
74510d4b | 721 | { |
c33efc48 ML |
722 | TRACE("%p", port); |
723 | ||
dec10e31 | 724 | CHECK_OPEN_PORT(); |
74510d4b | 725 | |
ea667be7 ML |
726 | DEBUG("Closing port %s", port->name); |
727 | ||
74510d4b ML |
728 | #ifdef _WIN32 |
729 | /* Returns non-zero upon success, 0 upon failure. */ | |
730 | if (CloseHandle(port->hdl) == 0) | |
c33efc48 | 731 | RETURN_FAIL("CloseHandle() failed"); |
8f471c66 | 732 | port->hdl = INVALID_HANDLE_VALUE; |
a3cb91f5 | 733 | if (port->nonblocking) { |
a3cb91f5 ML |
734 | /* Close event handle created for overlapped writes. */ |
735 | if (CloseHandle(port->write_ovl.hEvent) == 0) | |
736 | RETURN_FAIL("CloseHandle() failed"); | |
737 | } | |
74510d4b ML |
738 | #else |
739 | /* Returns 0 upon success, -1 upon failure. */ | |
740 | if (close(port->fd) == -1) | |
c33efc48 | 741 | RETURN_FAIL("close() failed"); |
8f471c66 | 742 | port->fd = -1; |
74510d4b ML |
743 | #endif |
744 | ||
c33efc48 | 745 | RETURN_OK(); |
74510d4b ML |
746 | } |
747 | ||
fd8fd11a | 748 | enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers) |
74510d4b | 749 | { |
00d8c56d | 750 | TRACE("%p, 0x%x", port, buffers); |
c33efc48 | 751 | |
dec10e31 ML |
752 | CHECK_OPEN_PORT(); |
753 | ||
754 | if (buffers > SP_BUF_BOTH) | |
755 | RETURN_ERROR(SP_ERR_ARG, "Invalid buffer selection"); | |
74510d4b | 756 | |
0ba3e49b | 757 | const char *buffer_names[] = {"no", "input", "output", "both"}; |
ea667be7 ML |
758 | |
759 | DEBUG("Flushing %s buffers on port %s", buffer_names[buffers], port->name); | |
760 | ||
74510d4b | 761 | #ifdef _WIN32 |
fd8fd11a ML |
762 | DWORD flags = 0; |
763 | if (buffers & SP_BUF_INPUT) | |
764 | flags |= PURGE_RXCLEAR; | |
765 | if (buffers & SP_BUF_OUTPUT) | |
766 | flags |= PURGE_TXCLEAR; | |
767 | ||
74510d4b | 768 | /* Returns non-zero upon success, 0 upon failure. */ |
fd8fd11a | 769 | if (PurgeComm(port->hdl, flags) == 0) |
c33efc48 | 770 | RETURN_FAIL("PurgeComm() failed"); |
74510d4b | 771 | #else |
fd8fd11a ML |
772 | int flags = 0; |
773 | if (buffers & SP_BUF_BOTH) | |
774 | flags = TCIOFLUSH; | |
775 | else if (buffers & SP_BUF_INPUT) | |
776 | flags = TCIFLUSH; | |
82f424e6 | 777 | else if (buffers & SP_BUF_OUTPUT) |
fd8fd11a ML |
778 | flags = TCOFLUSH; |
779 | ||
74510d4b | 780 | /* Returns 0 upon success, -1 upon failure. */ |
fd8fd11a | 781 | if (tcflush(port->fd, flags) < 0) |
c33efc48 | 782 | RETURN_FAIL("tcflush() failed"); |
74510d4b | 783 | #endif |
c33efc48 | 784 | RETURN_OK(); |
74510d4b ML |
785 | } |
786 | ||
69a3739c ML |
787 | enum sp_return sp_drain(struct sp_port *port) |
788 | { | |
c33efc48 ML |
789 | TRACE("%p", port); |
790 | ||
dec10e31 | 791 | CHECK_OPEN_PORT(); |
69a3739c | 792 | |
ea667be7 ML |
793 | DEBUG("Draining port %s", port->name); |
794 | ||
69a3739c ML |
795 | #ifdef _WIN32 |
796 | /* Returns non-zero upon success, 0 upon failure. */ | |
797 | if (FlushFileBuffers(port->hdl) == 0) | |
c33efc48 | 798 | RETURN_FAIL("FlushFileBuffers() failed"); |
69a3739c ML |
799 | #else |
800 | /* Returns 0 upon success, -1 upon failure. */ | |
801 | if (tcdrain(port->fd) < 0) | |
c33efc48 | 802 | RETURN_FAIL("tcdrain() failed"); |
69a3739c ML |
803 | #endif |
804 | ||
c33efc48 | 805 | RETURN_OK(); |
69a3739c ML |
806 | } |
807 | ||
eb6ed20f | 808 | enum sp_return sp_write(struct sp_port *port, const void *buf, size_t count) |
74510d4b | 809 | { |
c33efc48 ML |
810 | TRACE("%p, %p, %d", port, buf, count); |
811 | ||
dec10e31 | 812 | CHECK_OPEN_PORT(); |
74510d4b ML |
813 | |
814 | if (!buf) | |
c33efc48 | 815 | RETURN_ERROR(SP_ERR_ARG, "Null buffer"); |
74510d4b | 816 | |
ea667be7 ML |
817 | DEBUG("Writing up to %d bytes to port %s", count, port->name); |
818 | ||
a3cb91f5 ML |
819 | if (count == 0) |
820 | RETURN_VALUE("0", 0); | |
821 | ||
74510d4b ML |
822 | #ifdef _WIN32 |
823 | DWORD written = 0; | |
0765af56 | 824 | BYTE *ptr = (BYTE *) buf; |
f92f1f0c | 825 | |
a3cb91f5 ML |
826 | if (port->nonblocking) { |
827 | /* Non-blocking write. */ | |
828 | ||
829 | /* Check whether previous write is complete. */ | |
830 | if (port->writing) { | |
831 | if (HasOverlappedIoCompleted(&port->write_ovl)) { | |
832 | DEBUG("Previous write completed"); | |
833 | port->writing = 0; | |
a3cb91f5 ML |
834 | } else { |
835 | DEBUG("Previous write not complete"); | |
836 | /* Can't take a new write until the previous one finishes. */ | |
837 | RETURN_VALUE("0", 0); | |
838 | } | |
839 | } | |
840 | ||
0765af56 ML |
841 | /* Keep writing data until the OS has to actually start an async IO for it. |
842 | * At that point we know the buffer is full. */ | |
843 | while (written < count) | |
844 | { | |
845 | /* Copy first byte of user buffer. */ | |
846 | port->pending_byte = *ptr++; | |
847 | ||
848 | /* Start asynchronous write. */ | |
849 | if (WriteFile(port->hdl, &port->pending_byte, 1, NULL, &port->write_ovl) == 0) { | |
850 | if (GetLastError() == ERROR_IO_PENDING) { | |
851 | DEBUG("Asynchronous write started"); | |
852 | port->writing = 1; | |
853 | RETURN_VALUE("%d", ++written); | |
854 | } else { | |
855 | /* Actual failure of some kind. */ | |
856 | RETURN_FAIL("WriteFile() failed"); | |
857 | } | |
a3cb91f5 | 858 | } else { |
0765af56 ML |
859 | DEBUG("Single byte written immediately."); |
860 | written++; | |
a3cb91f5 | 861 | } |
a3cb91f5 | 862 | } |
0765af56 ML |
863 | |
864 | DEBUG("All bytes written immediately."); | |
865 | ||
a3cb91f5 ML |
866 | } else { |
867 | /* Blocking write. */ | |
868 | if (WriteFile(port->hdl, buf, count, &written, NULL) == 0) { | |
869 | RETURN_FAIL("WriteFile() failed"); | |
870 | } | |
871 | } | |
872 | ||
c33efc48 | 873 | RETURN_VALUE("%d", written); |
74510d4b ML |
874 | #else |
875 | /* Returns the number of bytes written, or -1 upon failure. */ | |
876 | ssize_t written = write(port->fd, buf, count); | |
f92f1f0c | 877 | |
74510d4b | 878 | if (written < 0) |
c33efc48 | 879 | RETURN_FAIL("write() failed"); |
74510d4b | 880 | else |
c33efc48 | 881 | RETURN_VALUE("%d", written); |
74510d4b ML |
882 | #endif |
883 | } | |
884 | ||
eb6ed20f | 885 | enum sp_return sp_read(struct sp_port *port, void *buf, size_t count) |
74510d4b | 886 | { |
c33efc48 ML |
887 | TRACE("%p, %p, %d", port, buf, count); |
888 | ||
dec10e31 | 889 | CHECK_OPEN_PORT(); |
74510d4b ML |
890 | |
891 | if (!buf) | |
c33efc48 | 892 | RETURN_ERROR(SP_ERR_ARG, "Null buffer"); |
74510d4b | 893 | |
ea667be7 ML |
894 | DEBUG("Reading up to %d bytes from port %s", count, port->name); |
895 | ||
74510d4b ML |
896 | #ifdef _WIN32 |
897 | DWORD bytes_read = 0; | |
f92f1f0c | 898 | |
74510d4b ML |
899 | /* Returns non-zero upon success, 0 upon failure. */ |
900 | if (ReadFile(port->hdl, buf, count, &bytes_read, NULL) == 0) | |
c33efc48 ML |
901 | RETURN_FAIL("ReadFile() failed"); |
902 | RETURN_VALUE("%d", bytes_read); | |
74510d4b ML |
903 | #else |
904 | ssize_t bytes_read; | |
f92f1f0c | 905 | |
74510d4b | 906 | /* Returns the number of bytes read, or -1 upon failure. */ |
33d5ff47 ML |
907 | if ((bytes_read = read(port->fd, buf, count)) < 0) { |
908 | if (port->nonblocking && errno == EAGAIN) | |
909 | /* Port is opened in nonblocking mode and there are no bytes available. */ | |
910 | bytes_read = 0; | |
911 | else | |
912 | /* This is an actual failure. */ | |
913 | RETURN_FAIL("read() failed"); | |
914 | } | |
c33efc48 | 915 | RETURN_VALUE("%d", bytes_read); |
74510d4b ML |
916 | #endif |
917 | } | |
918 | ||
7a6d2196 ML |
919 | #ifdef __linux__ |
920 | static enum sp_return get_baudrate(int fd, int *baudrate) | |
921 | { | |
922 | void *data; | |
923 | ||
c33efc48 ML |
924 | TRACE("%d, %p", fd, baudrate); |
925 | ||
ea667be7 ML |
926 | DEBUG("Getting baud rate"); |
927 | ||
7a6d2196 | 928 | if (!(data = malloc(get_termios_size()))) |
c33efc48 | 929 | RETURN_ERROR(SP_ERR_MEM, "termios malloc failed"); |
7a6d2196 | 930 | |
8d43110a ML |
931 | if (ioctl(fd, get_termios_get_ioctl(), data) < 0) { |
932 | free(data); | |
c33efc48 | 933 | RETURN_FAIL("getting termios failed"); |
8d43110a | 934 | } |
7a6d2196 ML |
935 | |
936 | *baudrate = get_termios_speed(data); | |
937 | ||
8d43110a ML |
938 | free(data); |
939 | ||
c33efc48 | 940 | RETURN_OK(); |
7a6d2196 ML |
941 | } |
942 | ||
943 | static enum sp_return set_baudrate(int fd, int baudrate) | |
944 | { | |
945 | void *data; | |
946 | ||
c33efc48 ML |
947 | TRACE("%d, %d", fd, baudrate); |
948 | ||
ea667be7 ML |
949 | DEBUG("Getting baud rate"); |
950 | ||
7a6d2196 | 951 | if (!(data = malloc(get_termios_size()))) |
c33efc48 | 952 | RETURN_ERROR(SP_ERR_MEM, "termios malloc failed"); |
7a6d2196 | 953 | |
8d43110a ML |
954 | if (ioctl(fd, get_termios_get_ioctl(), data) < 0) { |
955 | free(data); | |
c33efc48 | 956 | RETURN_FAIL("getting termios failed"); |
8d43110a | 957 | } |
7a6d2196 | 958 | |
ea667be7 ML |
959 | DEBUG("Setting baud rate"); |
960 | ||
7a6d2196 ML |
961 | set_termios_speed(data, baudrate); |
962 | ||
8d43110a ML |
963 | if (ioctl(fd, get_termios_set_ioctl(), data) < 0) { |
964 | free(data); | |
c33efc48 | 965 | RETURN_FAIL("setting termios failed"); |
8d43110a ML |
966 | } |
967 | ||
968 | free(data); | |
7a6d2196 | 969 | |
c33efc48 | 970 | RETURN_OK(); |
7a6d2196 | 971 | } |
40978c2b ML |
972 | |
973 | #ifdef USE_TERMIOX | |
974 | static enum sp_return get_flow(int fd, int *flow) | |
975 | { | |
976 | void *data; | |
977 | ||
c33efc48 ML |
978 | TRACE("%d, %p", fd, flow); |
979 | ||
ea667be7 ML |
980 | DEBUG("Getting advanced flow control"); |
981 | ||
40978c2b | 982 | if (!(data = malloc(get_termiox_size()))) |
c33efc48 | 983 | RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed"); |
40978c2b | 984 | |
8d43110a ML |
985 | if (ioctl(fd, TCGETX, data) < 0) { |
986 | free(data); | |
c33efc48 | 987 | RETURN_FAIL("getting termiox failed"); |
8d43110a | 988 | } |
40978c2b ML |
989 | |
990 | *flow = get_termiox_flow(data); | |
991 | ||
8d43110a ML |
992 | free(data); |
993 | ||
c33efc48 | 994 | RETURN_OK(); |
40978c2b ML |
995 | } |
996 | ||
997 | static enum sp_return set_flow(int fd, int flow) | |
998 | { | |
999 | void *data; | |
1000 | ||
c33efc48 ML |
1001 | TRACE("%d, %d", fd, flow); |
1002 | ||
ea667be7 ML |
1003 | DEBUG("Getting advanced flow control"); |
1004 | ||
40978c2b | 1005 | if (!(data = malloc(get_termiox_size()))) |
c33efc48 | 1006 | RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed"); |
40978c2b | 1007 | |
8d43110a ML |
1008 | if (ioctl(fd, TCGETX, data) < 0) { |
1009 | free(data); | |
c33efc48 | 1010 | RETURN_FAIL("getting termiox failed"); |
8d43110a | 1011 | } |
40978c2b | 1012 | |
ea667be7 ML |
1013 | DEBUG("Setting advanced flow control"); |
1014 | ||
40978c2b ML |
1015 | set_termiox_flow(data, flow); |
1016 | ||
8d43110a ML |
1017 | if (ioctl(fd, TCSETX, data) < 0) { |
1018 | free(data); | |
c33efc48 | 1019 | RETURN_FAIL("setting termiox failed"); |
8d43110a ML |
1020 | } |
1021 | ||
1022 | free(data); | |
40978c2b | 1023 | |
c33efc48 | 1024 | RETURN_OK(); |
40978c2b ML |
1025 | } |
1026 | #endif /* USE_TERMIOX */ | |
1027 | #endif /* __linux__ */ | |
7a6d2196 | 1028 | |
eb6ed20f ML |
1029 | static enum sp_return get_config(struct sp_port *port, struct port_data *data, |
1030 | struct sp_port_config *config) | |
8094e4a0 | 1031 | { |
da2748bf | 1032 | unsigned int i; |
cbf628c7 | 1033 | |
c33efc48 ML |
1034 | TRACE("%p, %p, %p", port, data, config); |
1035 | ||
ea667be7 ML |
1036 | DEBUG("Getting configuration for port %s", port->name); |
1037 | ||
8094e4a0 | 1038 | #ifdef _WIN32 |
e33ab9aa | 1039 | if (!GetCommState(port->hdl, &data->dcb)) |
c33efc48 | 1040 | RETURN_FAIL("GetCommState() failed"); |
8094e4a0 | 1041 | |
067417af | 1042 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
e33ab9aa | 1043 | if (data->dcb.BaudRate == std_baudrates[i].index) { |
067417af ML |
1044 | config->baudrate = std_baudrates[i].value; |
1045 | break; | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | if (i == NUM_STD_BAUDRATES) | |
1050 | /* BaudRate field can be either an index or a custom baud rate. */ | |
e33ab9aa | 1051 | config->baudrate = data->dcb.BaudRate; |
067417af | 1052 | |
e33ab9aa | 1053 | config->bits = data->dcb.ByteSize; |
067417af | 1054 | |
e33ab9aa ML |
1055 | if (data->dcb.fParity) |
1056 | switch (data->dcb.Parity) { | |
067417af ML |
1057 | case NOPARITY: |
1058 | config->parity = SP_PARITY_NONE; | |
1059 | break; | |
e432ce60 ML |
1060 | case ODDPARITY: |
1061 | config->parity = SP_PARITY_ODD; | |
1062 | break; | |
067417af ML |
1063 | case EVENPARITY: |
1064 | config->parity = SP_PARITY_EVEN; | |
1065 | break; | |
e432ce60 ML |
1066 | case MARKPARITY: |
1067 | config->parity = SP_PARITY_MARK; | |
1068 | break; | |
1069 | case SPACEPARITY: | |
1070 | config->parity = SP_PARITY_SPACE; | |
067417af ML |
1071 | break; |
1072 | default: | |
1073 | config->parity = -1; | |
1074 | } | |
1075 | else | |
1076 | config->parity = SP_PARITY_NONE; | |
1077 | ||
e33ab9aa | 1078 | switch (data->dcb.StopBits) { |
067417af ML |
1079 | case ONESTOPBIT: |
1080 | config->stopbits = 1; | |
1081 | break; | |
1082 | case TWOSTOPBITS: | |
1083 | config->stopbits = 2; | |
1084 | break; | |
1085 | default: | |
1086 | config->stopbits = -1; | |
1087 | } | |
1088 | ||
e33ab9aa | 1089 | switch (data->dcb.fRtsControl) { |
eac329d2 UH |
1090 | case RTS_CONTROL_DISABLE: |
1091 | config->rts = SP_RTS_OFF; | |
1092 | break; | |
1093 | case RTS_CONTROL_ENABLE: | |
1094 | config->rts = SP_RTS_ON; | |
1095 | break; | |
1096 | case RTS_CONTROL_HANDSHAKE: | |
1097 | config->rts = SP_RTS_FLOW_CONTROL; | |
1098 | break; | |
1099 | default: | |
1100 | config->rts = -1; | |
067417af ML |
1101 | } |
1102 | ||
e33ab9aa | 1103 | config->cts = data->dcb.fOutxCtsFlow ? SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE; |
067417af | 1104 | |
e33ab9aa | 1105 | switch (data->dcb.fDtrControl) { |
eac329d2 UH |
1106 | case DTR_CONTROL_DISABLE: |
1107 | config->dtr = SP_DTR_OFF; | |
1108 | break; | |
1109 | case DTR_CONTROL_ENABLE: | |
1110 | config->dtr = SP_DTR_ON; | |
1111 | break; | |
1112 | case DTR_CONTROL_HANDSHAKE: | |
1113 | config->dtr = SP_DTR_FLOW_CONTROL; | |
1114 | break; | |
1115 | default: | |
1116 | config->dtr = -1; | |
067417af ML |
1117 | } |
1118 | ||
e33ab9aa ML |
1119 | config->dsr = data->dcb.fOutxDsrFlow ? SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE; |
1120 | ||
c6754b45 ML |
1121 | if (data->dcb.fInX) { |
1122 | if (data->dcb.fOutX) | |
1123 | config->xon_xoff = SP_XONXOFF_INOUT; | |
1124 | else | |
1125 | config->xon_xoff = SP_XONXOFF_IN; | |
1126 | } else { | |
1127 | if (data->dcb.fOutX) | |
1128 | config->xon_xoff = SP_XONXOFF_OUT; | |
1129 | else | |
1130 | config->xon_xoff = SP_XONXOFF_DISABLED; | |
1131 | } | |
1132 | ||
e33ab9aa ML |
1133 | #else // !_WIN32 |
1134 | ||
1135 | if (tcgetattr(port->fd, &data->term) < 0) | |
c33efc48 | 1136 | RETURN_FAIL("tcgetattr() failed"); |
e33ab9aa ML |
1137 | |
1138 | if (ioctl(port->fd, TIOCMGET, &data->controlbits) < 0) | |
c33efc48 | 1139 | RETURN_FAIL("TIOCMGET ioctl failed"); |
40978c2b ML |
1140 | |
1141 | #ifdef USE_TERMIOX | |
68ec29db ML |
1142 | int ret = get_flow(port->fd, &data->flow); |
1143 | ||
1144 | if (ret == SP_ERR_FAIL && errno == EINVAL) | |
1145 | data->termiox_supported = 0; | |
1146 | else if (ret < 0) | |
c33efc48 | 1147 | RETURN_CODEVAL(ret); |
68ec29db ML |
1148 | else |
1149 | data->termiox_supported = 1; | |
1150 | #else | |
1151 | data->termiox_supported = 0; | |
40978c2b ML |
1152 | #endif |
1153 | ||
067417af | 1154 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
e33ab9aa | 1155 | if (cfgetispeed(&data->term) == std_baudrates[i].index) { |
067417af ML |
1156 | config->baudrate = std_baudrates[i].value; |
1157 | break; | |
1158 | } | |
1159 | } | |
1160 | ||
31b3a8f5 MH |
1161 | if (i == NUM_STD_BAUDRATES) { |
1162 | #ifdef __APPLE__ | |
1163 | config->baudrate = (int)data->term.c_ispeed; | |
7a6d2196 ML |
1164 | #elif defined(__linux__) |
1165 | TRY(get_baudrate(port->fd, &config->baudrate)); | |
31b3a8f5 | 1166 | #else |
067417af | 1167 | config->baudrate = -1; |
31b3a8f5 MH |
1168 | #endif |
1169 | } | |
067417af | 1170 | |
e33ab9aa | 1171 | switch (data->term.c_cflag & CSIZE) { |
067417af ML |
1172 | case CS8: |
1173 | config->bits = 8; | |
1174 | break; | |
1175 | case CS7: | |
1176 | config->bits = 7; | |
1177 | break; | |
1178 | case CS6: | |
1179 | config->bits = 6; | |
1180 | break; | |
1181 | case CS5: | |
1182 | config->bits = 5; | |
1183 | break; | |
1184 | default: | |
1185 | config->bits = -1; | |
1186 | } | |
1187 | ||
e33ab9aa | 1188 | if (!(data->term.c_cflag & PARENB) && (data->term.c_iflag & IGNPAR)) |
067417af | 1189 | config->parity = SP_PARITY_NONE; |
e33ab9aa | 1190 | else if (!(data->term.c_cflag & PARENB) || (data->term.c_iflag & IGNPAR)) |
067417af | 1191 | config->parity = -1; |
c3e05092 | 1192 | #ifdef CMSPAR |
e432ce60 ML |
1193 | else if (data->term.c_cflag & CMSPAR) |
1194 | config->parity = (data->term.c_cflag & PARODD) ? SP_PARITY_MARK : SP_PARITY_SPACE; | |
c3e05092 | 1195 | #endif |
067417af | 1196 | else |
e33ab9aa | 1197 | config->parity = (data->term.c_cflag & PARODD) ? SP_PARITY_ODD : SP_PARITY_EVEN; |
067417af | 1198 | |
e33ab9aa | 1199 | config->stopbits = (data->term.c_cflag & CSTOPB) ? 2 : 1; |
067417af | 1200 | |
e33ab9aa | 1201 | if (data->term.c_cflag & CRTSCTS) { |
067417af ML |
1202 | config->rts = SP_RTS_FLOW_CONTROL; |
1203 | config->cts = SP_CTS_FLOW_CONTROL; | |
1204 | } else { | |
68ec29db | 1205 | if (data->termiox_supported && data->flow & RTS_FLOW) |
40978c2b ML |
1206 | config->rts = SP_RTS_FLOW_CONTROL; |
1207 | else | |
1208 | config->rts = (data->controlbits & TIOCM_RTS) ? SP_RTS_ON : SP_RTS_OFF; | |
1209 | ||
68ec29db ML |
1210 | config->cts = (data->termiox_supported && data->flow & CTS_FLOW) ? |
1211 | SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE; | |
067417af ML |
1212 | } |
1213 | ||
68ec29db | 1214 | if (data->termiox_supported && data->flow & DTR_FLOW) |
40978c2b ML |
1215 | config->dtr = SP_DTR_FLOW_CONTROL; |
1216 | else | |
1217 | config->dtr = (data->controlbits & TIOCM_DTR) ? SP_DTR_ON : SP_DTR_OFF; | |
1218 | ||
68ec29db ML |
1219 | config->dsr = (data->termiox_supported && data->flow & DSR_FLOW) ? |
1220 | SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE; | |
705bdc69 | 1221 | |
e29b93a5 ML |
1222 | if (data->term.c_iflag & IXOFF) { |
1223 | if (data->term.c_iflag & IXON) | |
1224 | config->xon_xoff = SP_XONXOFF_INOUT; | |
1225 | else | |
1226 | config->xon_xoff = SP_XONXOFF_IN; | |
1227 | } else { | |
1228 | if (data->term.c_iflag & IXON) | |
1229 | config->xon_xoff = SP_XONXOFF_OUT; | |
1230 | else | |
1231 | config->xon_xoff = SP_XONXOFF_DISABLED; | |
1232 | } | |
067417af ML |
1233 | #endif |
1234 | ||
c33efc48 | 1235 | RETURN_OK(); |
067417af ML |
1236 | } |
1237 | ||
7a6d2196 | 1238 | static enum sp_return set_config(struct sp_port *port, struct port_data *data, |
eb6ed20f | 1239 | const struct sp_port_config *config) |
18fc2dd1 | 1240 | { |
e33ab9aa | 1241 | unsigned int i; |
31b3a8f5 MH |
1242 | #ifdef __APPLE__ |
1243 | BAUD_TYPE baud_nonstd; | |
1244 | ||
1245 | baud_nonstd = B0; | |
1246 | #endif | |
7a6d2196 ML |
1247 | #ifdef __linux__ |
1248 | int baud_nonstd = 0; | |
1249 | #endif | |
18fc2dd1 | 1250 | |
c33efc48 ML |
1251 | TRACE("%p, %p, %p", port, data, config); |
1252 | ||
ea667be7 ML |
1253 | DEBUG("Setting configuration for port %s", port->name); |
1254 | ||
e33ab9aa | 1255 | #ifdef _WIN32 |
eac329d2 | 1256 | if (config->baudrate >= 0) { |
e33ab9aa ML |
1257 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
1258 | if (config->baudrate == std_baudrates[i].value) { | |
1259 | data->dcb.BaudRate = std_baudrates[i].index; | |
1260 | break; | |
1261 | } | |
1262 | } | |
18fc2dd1 | 1263 | |
e33ab9aa ML |
1264 | if (i == NUM_STD_BAUDRATES) |
1265 | data->dcb.BaudRate = config->baudrate; | |
1266 | } | |
18fc2dd1 | 1267 | |
e33ab9aa ML |
1268 | if (config->bits >= 0) |
1269 | data->dcb.ByteSize = config->bits; | |
1270 | ||
1271 | if (config->parity >= 0) { | |
1272 | switch (config->parity) { | |
1273 | /* Note: There's also SPACEPARITY, MARKPARITY (unneeded so far). */ | |
1274 | case SP_PARITY_NONE: | |
1275 | data->dcb.Parity = NOPARITY; | |
1276 | break; | |
e432ce60 ML |
1277 | case SP_PARITY_ODD: |
1278 | data->dcb.Parity = ODDPARITY; | |
1279 | break; | |
e33ab9aa ML |
1280 | case SP_PARITY_EVEN: |
1281 | data->dcb.Parity = EVENPARITY; | |
1282 | break; | |
e432ce60 ML |
1283 | case SP_PARITY_MARK: |
1284 | data->dcb.Parity = MARKPARITY; | |
1285 | break; | |
1286 | case SP_PARITY_SPACE: | |
1287 | data->dcb.Parity = SPACEPARITY; | |
e33ab9aa ML |
1288 | break; |
1289 | default: | |
c33efc48 | 1290 | RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting"); |
e33ab9aa | 1291 | } |
18fc2dd1 ML |
1292 | } |
1293 | ||
e33ab9aa ML |
1294 | if (config->stopbits >= 0) { |
1295 | switch (config->stopbits) { | |
1296 | /* Note: There's also ONE5STOPBITS == 1.5 (unneeded so far). */ | |
1297 | case 1: | |
1298 | data->dcb.StopBits = ONESTOPBIT; | |
1299 | break; | |
1300 | case 2: | |
1301 | data->dcb.StopBits = TWOSTOPBITS; | |
1302 | break; | |
1303 | default: | |
c33efc48 | 1304 | RETURN_ERROR(SP_ERR_ARG, "Invalid stop bit setting"); |
e33ab9aa ML |
1305 | } |
1306 | } | |
1307 | ||
1308 | if (config->rts >= 0) { | |
1309 | switch (config->rts) { | |
1310 | case SP_RTS_OFF: | |
1311 | data->dcb.fRtsControl = RTS_CONTROL_DISABLE; | |
1312 | break; | |
1313 | case SP_RTS_ON: | |
1314 | data->dcb.fRtsControl = RTS_CONTROL_ENABLE; | |
1315 | break; | |
1316 | case SP_RTS_FLOW_CONTROL: | |
1317 | data->dcb.fRtsControl = RTS_CONTROL_HANDSHAKE; | |
1318 | break; | |
1319 | default: | |
c33efc48 | 1320 | RETURN_ERROR(SP_ERR_ARG, "Invalid RTS setting"); |
e33ab9aa ML |
1321 | } |
1322 | } | |
1323 | ||
1324 | if (config->cts >= 0) { | |
1325 | switch (config->cts) { | |
1326 | case SP_CTS_IGNORE: | |
1327 | data->dcb.fOutxCtsFlow = FALSE; | |
1328 | break; | |
1329 | case SP_CTS_FLOW_CONTROL: | |
1330 | data->dcb.fOutxCtsFlow = TRUE; | |
1331 | break; | |
1332 | default: | |
c33efc48 | 1333 | RETURN_ERROR(SP_ERR_ARG, "Invalid CTS setting"); |
e33ab9aa ML |
1334 | } |
1335 | } | |
1336 | ||
1337 | if (config->dtr >= 0) { | |
1338 | switch (config->dtr) { | |
1339 | case SP_DTR_OFF: | |
1340 | data->dcb.fDtrControl = DTR_CONTROL_DISABLE; | |
1341 | break; | |
1342 | case SP_DTR_ON: | |
1343 | data->dcb.fDtrControl = DTR_CONTROL_ENABLE; | |
1344 | break; | |
1345 | case SP_DTR_FLOW_CONTROL: | |
1346 | data->dcb.fDtrControl = DTR_CONTROL_HANDSHAKE; | |
1347 | break; | |
1348 | default: | |
c33efc48 | 1349 | RETURN_ERROR(SP_ERR_ARG, "Invalid DTR setting"); |
e33ab9aa ML |
1350 | } |
1351 | } | |
1352 | ||
1353 | if (config->dsr >= 0) { | |
1354 | switch (config->dsr) { | |
1355 | case SP_DSR_IGNORE: | |
1356 | data->dcb.fOutxDsrFlow = FALSE; | |
1357 | break; | |
1358 | case SP_DSR_FLOW_CONTROL: | |
1359 | data->dcb.fOutxDsrFlow = TRUE; | |
1360 | break; | |
1361 | default: | |
c33efc48 | 1362 | RETURN_ERROR(SP_ERR_ARG, "Invalid DSR setting"); |
e33ab9aa | 1363 | } |
18fc2dd1 ML |
1364 | } |
1365 | ||
e33ab9aa ML |
1366 | if (config->xon_xoff >= 0) { |
1367 | switch (config->xon_xoff) { | |
1368 | case SP_XONXOFF_DISABLED: | |
1369 | data->dcb.fInX = FALSE; | |
1370 | data->dcb.fOutX = FALSE; | |
1371 | break; | |
1372 | case SP_XONXOFF_IN: | |
1373 | data->dcb.fInX = TRUE; | |
1374 | data->dcb.fOutX = FALSE; | |
1375 | break; | |
1376 | case SP_XONXOFF_OUT: | |
1377 | data->dcb.fInX = FALSE; | |
1378 | data->dcb.fOutX = TRUE; | |
1379 | break; | |
1380 | case SP_XONXOFF_INOUT: | |
1381 | data->dcb.fInX = TRUE; | |
1382 | data->dcb.fOutX = TRUE; | |
1383 | break; | |
1384 | default: | |
c33efc48 | 1385 | RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting"); |
e33ab9aa ML |
1386 | } |
1387 | } | |
1388 | ||
1389 | if (!SetCommState(port->hdl, &data->dcb)) | |
c33efc48 | 1390 | RETURN_FAIL("SetCommState() failed"); |
e33ab9aa | 1391 | |
31b3a8f5 | 1392 | #else /* !_WIN32 */ |
e33ab9aa | 1393 | |
7a6d2196 ML |
1394 | int controlbits; |
1395 | ||
eac329d2 | 1396 | if (config->baudrate >= 0) { |
e33ab9aa ML |
1397 | for (i = 0; i < NUM_STD_BAUDRATES; i++) { |
1398 | if (config->baudrate == std_baudrates[i].value) { | |
1399 | if (cfsetospeed(&data->term, std_baudrates[i].index) < 0) | |
c33efc48 | 1400 | RETURN_FAIL("cfsetospeed() failed"); |
e33ab9aa ML |
1401 | |
1402 | if (cfsetispeed(&data->term, std_baudrates[i].index) < 0) | |
c33efc48 | 1403 | RETURN_FAIL("cfsetispeed() failed"); |
e33ab9aa ML |
1404 | break; |
1405 | } | |
1406 | } | |
1407 | ||
31b3a8f5 MH |
1408 | /* Non-standard baud rate */ |
1409 | if (i == NUM_STD_BAUDRATES) { | |
1410 | #ifdef __APPLE__ | |
24abdb68 | 1411 | /* Set "dummy" baud rate. */ |
31b3a8f5 | 1412 | if (cfsetspeed(&data->term, B9600) < 0) |
c33efc48 | 1413 | RETURN_FAIL("cfsetspeed() failed"); |
31b3a8f5 | 1414 | baud_nonstd = config->baudrate; |
7a6d2196 ML |
1415 | #elif defined(__linux__) |
1416 | baud_nonstd = 1; | |
31b3a8f5 | 1417 | #else |
c33efc48 | 1418 | RETURN_ERROR(SP_ERR_SUPP, "Non-standard baudrate not supported"); |
31b3a8f5 MH |
1419 | #endif |
1420 | } | |
e33ab9aa ML |
1421 | } |
1422 | ||
1423 | if (config->bits >= 0) { | |
1424 | data->term.c_cflag &= ~CSIZE; | |
1425 | switch (config->bits) { | |
1426 | case 8: | |
1427 | data->term.c_cflag |= CS8; | |
1428 | break; | |
1429 | case 7: | |
1430 | data->term.c_cflag |= CS7; | |
1431 | break; | |
1432 | case 6: | |
1433 | data->term.c_cflag |= CS6; | |
1434 | break; | |
23922313 UH |
1435 | case 5: |
1436 | data->term.c_cflag |= CS5; | |
1437 | break; | |
e33ab9aa | 1438 | default: |
c33efc48 | 1439 | RETURN_ERROR(SP_ERR_ARG, "Invalid data bits setting"); |
e33ab9aa ML |
1440 | } |
1441 | } | |
1442 | ||
1443 | if (config->parity >= 0) { | |
1444 | data->term.c_iflag &= ~IGNPAR; | |
c3e05092 UH |
1445 | data->term.c_cflag &= ~(PARENB | PARODD); |
1446 | #ifdef CMSPAR | |
1447 | data->term.c_cflag &= ~CMSPAR; | |
1448 | #endif | |
e33ab9aa ML |
1449 | switch (config->parity) { |
1450 | case SP_PARITY_NONE: | |
1451 | data->term.c_iflag |= IGNPAR; | |
1452 | break; | |
1453 | case SP_PARITY_EVEN: | |
1454 | data->term.c_cflag |= PARENB; | |
1455 | break; | |
1456 | case SP_PARITY_ODD: | |
1457 | data->term.c_cflag |= PARENB | PARODD; | |
1458 | break; | |
e432ce60 | 1459 | case SP_PARITY_MARK: |
c3e05092 UH |
1460 | data->term.c_cflag |= PARENB | PARODD; |
1461 | #ifdef CMSPAR | |
1462 | data->term.c_cflag |= CMSPAR; | |
1463 | #endif | |
e432ce60 ML |
1464 | break; |
1465 | case SP_PARITY_SPACE: | |
c3e05092 UH |
1466 | data->term.c_cflag |= PARENB; |
1467 | #ifdef CMSPAR | |
1468 | data->term.c_cflag |= CMSPAR; | |
1469 | #endif | |
e432ce60 | 1470 | break; |
e33ab9aa | 1471 | default: |
c33efc48 | 1472 | RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting"); |
e33ab9aa ML |
1473 | } |
1474 | } | |
1475 | ||
1476 | if (config->stopbits >= 0) { | |
1477 | data->term.c_cflag &= ~CSTOPB; | |
1478 | switch (config->stopbits) { | |
1479 | case 1: | |
1480 | data->term.c_cflag &= ~CSTOPB; | |
1481 | break; | |
1482 | case 2: | |
1483 | data->term.c_cflag |= CSTOPB; | |
1484 | break; | |
1485 | default: | |
c33efc48 | 1486 | RETURN_ERROR(SP_ERR_ARG, "Invalid stop bits setting"); |
e33ab9aa ML |
1487 | } |
1488 | } | |
1489 | ||
eac329d2 | 1490 | if (config->rts >= 0 || config->cts >= 0) { |
68ec29db ML |
1491 | if (data->termiox_supported) { |
1492 | data->flow &= ~(RTS_FLOW | CTS_FLOW); | |
1493 | switch (config->rts) { | |
1494 | case SP_RTS_OFF: | |
1495 | case SP_RTS_ON: | |
1496 | controlbits = TIOCM_RTS; | |
1497 | if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0) | |
c33efc48 | 1498 | RETURN_FAIL("Setting RTS signal level failed"); |
68ec29db ML |
1499 | break; |
1500 | case SP_RTS_FLOW_CONTROL: | |
1501 | data->flow |= RTS_FLOW; | |
1502 | break; | |
1503 | default: | |
1504 | break; | |
e33ab9aa | 1505 | } |
68ec29db ML |
1506 | if (config->cts == SP_CTS_FLOW_CONTROL) |
1507 | data->flow |= CTS_FLOW; | |
e33ab9aa | 1508 | |
68ec29db | 1509 | if (data->flow & (RTS_FLOW | CTS_FLOW)) |
e33ab9aa | 1510 | data->term.c_iflag |= CRTSCTS; |
68ec29db ML |
1511 | else |
1512 | data->term.c_iflag &= ~CRTSCTS; | |
1513 | } else { | |
1514 | /* Asymmetric use of RTS/CTS not supported. */ | |
1515 | if (data->term.c_iflag & CRTSCTS) { | |
1516 | /* Flow control can only be disabled for both RTS & CTS together. */ | |
1517 | if (config->rts >= 0 && config->rts != SP_RTS_FLOW_CONTROL) { | |
1518 | if (config->cts != SP_CTS_IGNORE) | |
c33efc48 | 1519 | RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together"); |
68ec29db ML |
1520 | } |
1521 | if (config->cts >= 0 && config->cts != SP_CTS_FLOW_CONTROL) { | |
1522 | if (config->rts <= 0 || config->rts == SP_RTS_FLOW_CONTROL) | |
c33efc48 | 1523 | RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together"); |
68ec29db | 1524 | } |
e33ab9aa | 1525 | } else { |
68ec29db ML |
1526 | /* Flow control can only be enabled for both RTS & CTS together. */ |
1527 | if (((config->rts == SP_RTS_FLOW_CONTROL) && (config->cts != SP_CTS_FLOW_CONTROL)) || | |
1528 | ((config->cts == SP_CTS_FLOW_CONTROL) && (config->rts != SP_RTS_FLOW_CONTROL))) | |
c33efc48 | 1529 | RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be enabled together"); |
68ec29db ML |
1530 | } |
1531 | ||
1532 | if (config->rts >= 0) { | |
1533 | if (config->rts == SP_RTS_FLOW_CONTROL) { | |
1534 | data->term.c_iflag |= CRTSCTS; | |
1535 | } else { | |
1536 | controlbits = TIOCM_RTS; | |
1537 | if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC, | |
1538 | &controlbits) < 0) | |
c33efc48 | 1539 | RETURN_FAIL("Setting RTS signal level failed"); |
68ec29db | 1540 | } |
e33ab9aa ML |
1541 | } |
1542 | } | |
1543 | } | |
1544 | ||
eac329d2 | 1545 | if (config->dtr >= 0 || config->dsr >= 0) { |
68ec29db ML |
1546 | if (data->termiox_supported) { |
1547 | data->flow &= ~(DTR_FLOW | DSR_FLOW); | |
1548 | switch (config->dtr) { | |
1549 | case SP_DTR_OFF: | |
1550 | case SP_DTR_ON: | |
1551 | controlbits = TIOCM_DTR; | |
1552 | if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0) | |
c33efc48 | 1553 | RETURN_FAIL("Setting DTR signal level failed"); |
68ec29db ML |
1554 | break; |
1555 | case SP_DTR_FLOW_CONTROL: | |
1556 | data->flow |= DTR_FLOW; | |
1557 | break; | |
1558 | default: | |
1559 | break; | |
1560 | } | |
1561 | if (config->dsr == SP_DSR_FLOW_CONTROL) | |
1562 | data->flow |= DSR_FLOW; | |
1563 | } else { | |
1564 | /* DTR/DSR flow control not supported. */ | |
1565 | if (config->dtr == SP_DTR_FLOW_CONTROL || config->dsr == SP_DSR_FLOW_CONTROL) | |
c33efc48 | 1566 | RETURN_ERROR(SP_ERR_SUPP, "DTR/DSR flow control not supported"); |
e33ab9aa | 1567 | |
68ec29db ML |
1568 | if (config->dtr >= 0) { |
1569 | controlbits = TIOCM_DTR; | |
1570 | if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC, | |
1571 | &controlbits) < 0) | |
c33efc48 | 1572 | RETURN_FAIL("Setting DTR signal level failed"); |
68ec29db | 1573 | } |
e33ab9aa ML |
1574 | } |
1575 | } | |
1576 | ||
1577 | if (config->xon_xoff >= 0) { | |
1578 | data->term.c_iflag &= ~(IXON | IXOFF | IXANY); | |
1579 | switch (config->xon_xoff) { | |
1580 | case SP_XONXOFF_DISABLED: | |
1581 | break; | |
1582 | case SP_XONXOFF_IN: | |
1583 | data->term.c_iflag |= IXOFF; | |
1584 | break; | |
1585 | case SP_XONXOFF_OUT: | |
1586 | data->term.c_iflag |= IXON | IXANY; | |
1587 | break; | |
1588 | case SP_XONXOFF_INOUT: | |
1589 | data->term.c_iflag |= IXON | IXOFF | IXANY; | |
1590 | break; | |
1591 | default: | |
c33efc48 | 1592 | RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting"); |
e33ab9aa ML |
1593 | } |
1594 | } | |
1595 | ||
3f5c06d0 | 1596 | if (tcsetattr(port->fd, TCSANOW, &data->term) < 0) |
c33efc48 | 1597 | RETURN_FAIL("tcsetattr() failed"); |
31b3a8f5 MH |
1598 | |
1599 | #ifdef __APPLE__ | |
1600 | if (baud_nonstd != B0) { | |
1601 | if (ioctl(port->fd, IOSSIOSPEED, &baud_nonstd) == -1) | |
c33efc48 | 1602 | RETURN_FAIL("IOSSIOSPEED ioctl failed"); |
31b3a8f5 MH |
1603 | /* Set baud rates in data->term to correct, but incompatible |
1604 | * with tcsetattr() value, same as delivered by tcgetattr(). */ | |
1605 | if (cfsetspeed(&data->term, baud_nonstd) < 0) | |
c33efc48 | 1606 | RETURN_FAIL("cfsetspeed() failed"); |
31b3a8f5 | 1607 | } |
7a6d2196 ML |
1608 | #elif defined(__linux__) |
1609 | if (baud_nonstd) | |
1610 | TRY(set_baudrate(port->fd, config->baudrate)); | |
40978c2b | 1611 | #ifdef USE_TERMIOX |
68ec29db ML |
1612 | if (data->termiox_supported) |
1613 | TRY(set_flow(port->fd, data->flow)); | |
40978c2b | 1614 | #endif |
7a6d2196 | 1615 | #endif |
31b3a8f5 MH |
1616 | |
1617 | #endif /* !_WIN32 */ | |
e33ab9aa | 1618 | |
c33efc48 | 1619 | RETURN_OK(); |
e33ab9aa ML |
1620 | } |
1621 | ||
9b1502ef ML |
1622 | enum sp_return sp_new_config(struct sp_port_config **config_ptr) |
1623 | { | |
59131d60 | 1624 | struct sp_port_config *config; |
9b1502ef | 1625 | |
00d8c56d UH |
1626 | TRACE("%p", config_ptr); |
1627 | ||
9b1502ef ML |
1628 | if (!config_ptr) |
1629 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); | |
1630 | ||
59131d60 ML |
1631 | *config_ptr = NULL; |
1632 | ||
1633 | if (!(config = malloc(sizeof(struct sp_port_config)))) | |
9b1502ef ML |
1634 | RETURN_ERROR(SP_ERR_MEM, "config malloc failed"); |
1635 | ||
59131d60 ML |
1636 | config->baudrate = -1; |
1637 | config->bits = -1; | |
1638 | config->parity = -1; | |
1639 | config->stopbits = -1; | |
1640 | config->rts = -1; | |
1641 | config->cts = -1; | |
1642 | config->dtr = -1; | |
1643 | config->dsr = -1; | |
1644 | ||
1645 | *config_ptr = config; | |
1646 | ||
9b1502ef ML |
1647 | RETURN_OK(); |
1648 | } | |
1649 | ||
1650 | void sp_free_config(struct sp_port_config *config) | |
1651 | { | |
1652 | TRACE("%p", config); | |
1653 | ||
1654 | if (!config) | |
1655 | DEBUG("Null config"); | |
1656 | else | |
1657 | free(config); | |
1658 | ||
1659 | RETURN(); | |
1660 | } | |
1661 | ||
70cd37de ML |
1662 | enum sp_return sp_get_config(struct sp_port *port, struct sp_port_config *config) |
1663 | { | |
1664 | struct port_data data; | |
1665 | ||
1666 | TRACE("%p, %p", port, config); | |
1667 | ||
1668 | CHECK_OPEN_PORT(); | |
1669 | ||
1670 | if (!config) | |
9b1502ef | 1671 | RETURN_ERROR(SP_ERR_ARG, "Null config"); |
70cd37de ML |
1672 | |
1673 | TRY(get_config(port, &data, config)); | |
1674 | ||
1675 | RETURN_OK(); | |
1676 | } | |
1677 | ||
eb6ed20f | 1678 | enum sp_return sp_set_config(struct sp_port *port, const struct sp_port_config *config) |
e33ab9aa | 1679 | { |
8f189c4c | 1680 | struct port_data data; |
e33ab9aa ML |
1681 | struct sp_port_config prev_config; |
1682 | ||
c33efc48 ML |
1683 | TRACE("%p, %p", port, config); |
1684 | ||
dec10e31 | 1685 | CHECK_OPEN_PORT(); |
823690ae ML |
1686 | |
1687 | if (!config) | |
c33efc48 | 1688 | RETURN_ERROR(SP_ERR_ARG, "Null config"); |
823690ae | 1689 | |
e33ab9aa ML |
1690 | TRY(get_config(port, &data, &prev_config)); |
1691 | TRY(set_config(port, &data, config)); | |
74510d4b | 1692 | |
c33efc48 | 1693 | RETURN_OK(); |
74510d4b ML |
1694 | } |
1695 | ||
9b1502ef ML |
1696 | #define CREATE_ACCESSORS(x, type) \ |
1697 | enum sp_return sp_set_##x(struct sp_port *port, type x) { \ | |
8f189c4c | 1698 | struct port_data data; \ |
e33ab9aa | 1699 | struct sp_port_config config; \ |
c33efc48 | 1700 | TRACE("%p, %d", port, x); \ |
dec10e31 | 1701 | CHECK_OPEN_PORT(); \ |
e33ab9aa ML |
1702 | TRY(get_config(port, &data, &config)); \ |
1703 | config.x = x; \ | |
1704 | TRY(set_config(port, &data, &config)); \ | |
c33efc48 | 1705 | RETURN_OK(); \ |
9b1502ef ML |
1706 | } \ |
1707 | enum sp_return sp_get_config_##x(const struct sp_port_config *config, type *x) { \ | |
00d8c56d | 1708 | TRACE("%p, %p", config, x); \ |
9b1502ef ML |
1709 | if (!config) \ |
1710 | RETURN_ERROR(SP_ERR_ARG, "Null config"); \ | |
1711 | *x = config->x; \ | |
1712 | RETURN_OK(); \ | |
1713 | } \ | |
1714 | enum sp_return sp_set_config_##x(struct sp_port_config *config, type x) { \ | |
1715 | TRACE("%p, %d", config, x); \ | |
1716 | if (!config) \ | |
1717 | RETURN_ERROR(SP_ERR_ARG, "Null config"); \ | |
1718 | config->x = x; \ | |
1719 | RETURN_OK(); \ | |
9069c2fb ML |
1720 | } |
1721 | ||
9b1502ef ML |
1722 | CREATE_ACCESSORS(baudrate, int) |
1723 | CREATE_ACCESSORS(bits, int) | |
1724 | CREATE_ACCESSORS(parity, enum sp_parity) | |
1725 | CREATE_ACCESSORS(stopbits, int) | |
1726 | CREATE_ACCESSORS(rts, enum sp_rts) | |
1727 | CREATE_ACCESSORS(cts, enum sp_cts) | |
1728 | CREATE_ACCESSORS(dtr, enum sp_dtr) | |
1729 | CREATE_ACCESSORS(dsr, enum sp_dsr) | |
1730 | CREATE_ACCESSORS(xon_xoff, enum sp_xonxoff) | |
1731 | ||
1732 | enum sp_return sp_set_config_flowcontrol(struct sp_port_config *config, enum sp_flowcontrol flowcontrol) | |
e33ab9aa | 1733 | { |
9b1502ef ML |
1734 | if (!config) |
1735 | RETURN_ERROR(SP_ERR_ARG, "Null configuration"); | |
dec10e31 ML |
1736 | |
1737 | if (flowcontrol > SP_FLOWCONTROL_DTRDSR) | |
1738 | RETURN_ERROR(SP_ERR_ARG, "Invalid flow control setting"); | |
823690ae | 1739 | |
e33ab9aa | 1740 | if (flowcontrol == SP_FLOWCONTROL_XONXOFF) |
9b1502ef | 1741 | config->xon_xoff = SP_XONXOFF_INOUT; |
e33ab9aa | 1742 | else |
9b1502ef | 1743 | config->xon_xoff = SP_XONXOFF_DISABLED; |
e33ab9aa ML |
1744 | |
1745 | if (flowcontrol == SP_FLOWCONTROL_RTSCTS) { | |
9b1502ef ML |
1746 | config->rts = SP_RTS_FLOW_CONTROL; |
1747 | config->cts = SP_CTS_FLOW_CONTROL; | |
e33ab9aa | 1748 | } else { |
9b1502ef ML |
1749 | if (config->rts == SP_RTS_FLOW_CONTROL) |
1750 | config->rts = SP_RTS_ON; | |
1751 | config->cts = SP_CTS_IGNORE; | |
e33ab9aa ML |
1752 | } |
1753 | ||
1754 | if (flowcontrol == SP_FLOWCONTROL_DTRDSR) { | |
9b1502ef ML |
1755 | config->dtr = SP_DTR_FLOW_CONTROL; |
1756 | config->dsr = SP_DSR_FLOW_CONTROL; | |
e33ab9aa | 1757 | } else { |
9b1502ef ML |
1758 | if (config->dtr == SP_DTR_FLOW_CONTROL) |
1759 | config->dtr = SP_DTR_ON; | |
1760 | config->dsr = SP_DSR_IGNORE; | |
e33ab9aa ML |
1761 | } |
1762 | ||
9b1502ef ML |
1763 | RETURN_OK(); |
1764 | } | |
1765 | ||
1766 | enum sp_return sp_set_flowcontrol(struct sp_port *port, enum sp_flowcontrol flowcontrol) | |
1767 | { | |
1768 | struct port_data data; | |
1769 | struct sp_port_config config; | |
1770 | ||
1771 | TRACE("%p, %d", port, flowcontrol); | |
1772 | ||
1773 | CHECK_OPEN_PORT(); | |
1774 | ||
1775 | TRY(get_config(port, &data, &config)); | |
1776 | ||
1777 | TRY(sp_set_config_flowcontrol(&config, flowcontrol)); | |
1778 | ||
e33ab9aa ML |
1779 | TRY(set_config(port, &data, &config)); |
1780 | ||
c33efc48 | 1781 | RETURN_OK(); |
e33ab9aa ML |
1782 | } |
1783 | ||
8cf7c697 ML |
1784 | enum sp_return sp_get_signals(struct sp_port *port, enum sp_signal *signals) |
1785 | { | |
c33efc48 ML |
1786 | TRACE("%p, %p", port, signals); |
1787 | ||
dec10e31 | 1788 | CHECK_OPEN_PORT(); |
8cf7c697 ML |
1789 | |
1790 | if (!signals) | |
c33efc48 | 1791 | RETURN_ERROR(SP_ERR_ARG, "Null result pointer"); |
8cf7c697 | 1792 | |
ea667be7 ML |
1793 | DEBUG("Getting control signals for port %s", port->name); |
1794 | ||
8cf7c697 ML |
1795 | *signals = 0; |
1796 | #ifdef _WIN32 | |
1797 | DWORD bits; | |
1798 | if (GetCommModemStatus(port->hdl, &bits) == 0) | |
c33efc48 | 1799 | RETURN_FAIL("GetCommModemStatus() failed"); |
8cf7c697 ML |
1800 | if (bits & MS_CTS_ON) |
1801 | *signals |= SP_SIG_CTS; | |
1802 | if (bits & MS_DSR_ON) | |
1803 | *signals |= SP_SIG_DSR; | |
8cf7c697 | 1804 | if (bits & MS_RLSD_ON) |
a6cda1e8 ML |
1805 | *signals |= SP_SIG_DCD; |
1806 | if (bits & MS_RING_ON) | |
8cf7c697 ML |
1807 | *signals |= SP_SIG_RI; |
1808 | #else | |
1809 | int bits; | |
1810 | if (ioctl(port->fd, TIOCMGET, &bits) < 0) | |
c33efc48 | 1811 | RETURN_FAIL("TIOCMGET ioctl failed"); |
8cf7c697 ML |
1812 | if (bits & TIOCM_CTS) |
1813 | *signals |= SP_SIG_CTS; | |
1814 | if (bits & TIOCM_DSR) | |
1815 | *signals |= SP_SIG_DSR; | |
1816 | if (bits & TIOCM_CAR) | |
1817 | *signals |= SP_SIG_DCD; | |
1818 | if (bits & TIOCM_RNG) | |
1819 | *signals |= SP_SIG_RI; | |
1820 | #endif | |
c33efc48 | 1821 | RETURN_OK(); |
8cf7c697 ML |
1822 | } |
1823 | ||
90cc3ee6 ML |
1824 | enum sp_return sp_start_break(struct sp_port *port) |
1825 | { | |
c33efc48 ML |
1826 | TRACE("%p", port); |
1827 | ||
dec10e31 | 1828 | CHECK_OPEN_PORT(); |
90cc3ee6 ML |
1829 | #ifdef _WIN32 |
1830 | if (SetCommBreak(port->hdl) == 0) | |
c33efc48 | 1831 | RETURN_FAIL("SetCommBreak() failed"); |
90cc3ee6 ML |
1832 | #else |
1833 | if (ioctl(port->fd, TIOCSBRK, 1) < 0) | |
c33efc48 | 1834 | RETURN_FAIL("TIOCSBRK ioctl failed"); |
90cc3ee6 ML |
1835 | #endif |
1836 | ||
c33efc48 | 1837 | RETURN_OK(); |
90cc3ee6 ML |
1838 | } |
1839 | ||
1840 | enum sp_return sp_end_break(struct sp_port *port) | |
1841 | { | |
c33efc48 ML |
1842 | TRACE("%p", port); |
1843 | ||
dec10e31 | 1844 | CHECK_OPEN_PORT(); |
90cc3ee6 ML |
1845 | #ifdef _WIN32 |
1846 | if (ClearCommBreak(port->hdl) == 0) | |
c33efc48 | 1847 | RETURN_FAIL("ClearCommBreak() failed"); |
90cc3ee6 ML |
1848 | #else |
1849 | if (ioctl(port->fd, TIOCCBRK, 1) < 0) | |
c33efc48 | 1850 | RETURN_FAIL("TIOCCBRK ioctl failed"); |
90cc3ee6 ML |
1851 | #endif |
1852 | ||
c33efc48 | 1853 | RETURN_OK(); |
90cc3ee6 ML |
1854 | } |
1855 | ||
74510d4b ML |
1856 | int sp_last_error_code(void) |
1857 | { | |
c33efc48 | 1858 | TRACE(""); |
74510d4b | 1859 | #ifdef _WIN32 |
c33efc48 | 1860 | RETURN_VALUE("%d", GetLastError()); |
74510d4b | 1861 | #else |
c33efc48 | 1862 | RETURN_VALUE("%d", errno); |
74510d4b ML |
1863 | #endif |
1864 | } | |
1865 | ||
74510d4b ML |
1866 | char *sp_last_error_message(void) |
1867 | { | |
c33efc48 ML |
1868 | TRACE(""); |
1869 | ||
74510d4b ML |
1870 | #ifdef _WIN32 |
1871 | LPVOID message; | |
1872 | DWORD error = GetLastError(); | |
1873 | ||
1874 | FormatMessage( | |
1875 | FORMAT_MESSAGE_ALLOCATE_BUFFER | | |
1876 | FORMAT_MESSAGE_FROM_SYSTEM | | |
1877 | FORMAT_MESSAGE_IGNORE_INSERTS, | |
1878 | NULL, | |
1879 | error, | |
1880 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), | |
1881 | (LPTSTR) &message, | |
1882 | 0, NULL ); | |
1883 | ||
c33efc48 | 1884 | RETURN_VALUE("%s", message); |
74510d4b | 1885 | #else |
c33efc48 | 1886 | RETURN_VALUE("%s", strerror(errno)); |
74510d4b ML |
1887 | #endif |
1888 | } | |
1889 | ||
74510d4b ML |
1890 | void sp_free_error_message(char *message) |
1891 | { | |
c33efc48 ML |
1892 | TRACE("%s", message); |
1893 | ||
74510d4b ML |
1894 | #ifdef _WIN32 |
1895 | LocalFree(message); | |
64eec30d ML |
1896 | #else |
1897 | (void)message; | |
74510d4b | 1898 | #endif |
c33efc48 ML |
1899 | |
1900 | RETURN(); | |
74510d4b | 1901 | } |
863b35e6 ML |
1902 | |
1903 | void sp_set_debug_handler(void (*handler)(const char *format, ...)) | |
1904 | { | |
c33efc48 ML |
1905 | TRACE("%p", handler); |
1906 | ||
863b35e6 | 1907 | sp_debug_handler = handler; |
c33efc48 ML |
1908 | |
1909 | RETURN(); | |
863b35e6 ML |
1910 | } |
1911 | ||
1912 | void sp_default_debug_handler(const char *format, ...) | |
1913 | { | |
1914 | va_list args; | |
1915 | va_start(args, format); | |
1916 | if (getenv("LIBSERIALPORT_DEBUG")) { | |
dd7742fb | 1917 | fputs("sp: ", stderr); |
863b35e6 ML |
1918 | vfprintf(stderr, format, args); |
1919 | } | |
1920 | va_end(args); | |
1921 | } |