]> sigrok.org Git - libserialport.git/blame - serialport.c
projects / libserialport.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
libserialport_internal.h: Add #include guard.
[libserialport.git] / serialport.c
CommitLineData
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>
a93fb468 8 * Copyright (C) 2014 Aurelien Jacobs <aurel@gnuage.org>
74510d4b
ML		 9 *
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU Lesser General Public License as
12 * published by the Free Software Foundation, either version 3 of the
13 * License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 */
23
f6a1fb65 24#include "libserialport.h"
e33dcf90 25#include "libserialport_internal.h"
da2748bf
ML		 26
27const struct std_baudrate std_baudrates[] = {
28#ifdef _WIN32
29 /*
30 * The baudrates 50/75/134/150/200/1800/230400/460800 do not seem to
31 * have documented CBR_* macros.
32 */
33 BAUD(110), BAUD(300), BAUD(600), BAUD(1200), BAUD(2400), BAUD(4800),
34 BAUD(9600), BAUD(14400), BAUD(19200), BAUD(38400), BAUD(57600),
eac329d2 35 BAUD(115200), BAUD(128000), BAUD(256000),
da2748bf 36#else
eac329d2
UH		 37 BAUD(50), BAUD(75), BAUD(110), BAUD(134), BAUD(150), BAUD(200),
38 BAUD(300), BAUD(600), BAUD(1200), BAUD(1800), BAUD(2400), BAUD(4800),
39 BAUD(9600), BAUD(19200), BAUD(38400), BAUD(57600), BAUD(115200),
40 BAUD(230400),
da2748bf 41#if !defined(__APPLE__) && !defined(__OpenBSD__)
eac329d2 42 BAUD(460800),
da2748bf
ML		 43#endif
44#endif
45};
46
863b35e6
ML		 47void (*sp_debug_handler)(const char *format, ...) = sp_default_debug_handler;
48
eb6ed20f
ML		 49static enum sp_return get_config(struct sp_port *port, struct port_data *data,
50 struct sp_port_config *config);
e33dcf90 51
eb6ed20f
ML		 52static enum sp_return set_config(struct sp_port *port, struct port_data *data,
53 const struct sp_port_config *config);
80186526 54
970f279a 55SP_API enum sp_return sp_get_port_by_name(const char *portname, struct sp_port **port_ptr)
d54e9004
ML		 56{
57 struct sp_port *port;
5a8810e2 58#ifndef NO_PORT_METADATA
a93fb468 59 enum sp_return ret;
5a8810e2 60#endif
5919c913 61 int len;
d54e9004 62
c33efc48
ML		 63 TRACE("%s, %p", portname, port_ptr);
64
32b5ac05 65 if (!port_ptr)
c33efc48 66 RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
32b5ac05 67
77f262c4
ML		 68 *port_ptr = NULL;
69
d4babed2 70 if (!portname)
c33efc48 71 RETURN_ERROR(SP_ERR_ARG, "Null port name");
d4babed2 72
7890cef6 73 DEBUG_FMT("Building structure for port %s", portname);
ea667be7 74
d54e9004 75 if (!(port = malloc(sizeof(struct sp_port))))
c33efc48 76 RETURN_ERROR(SP_ERR_MEM, "Port structure malloc failed");
d54e9004 77
5919c913
ML		 78 len = strlen(portname) + 1;
79
eac329d2 80 if (!(port->name = malloc(len))) {
d54e9004 81 free(port);
c33efc48 82 RETURN_ERROR(SP_ERR_MEM, "Port name malloc failed");
d54e9004
ML		 83 }
84
85 memcpy(port->name, portname, len);
86
8f471c66 87#ifdef _WIN32
e31f2c6b 88 port->usb_path = NULL;
8f471c66
ML		 89 port->hdl = INVALID_HANDLE_VALUE;
90#else
91 port->fd = -1;
92#endif
93
e33dcf90
ML		 94 port->description = NULL;
95 port->transport = SP_TRANSPORT_NATIVE;
96 port->usb_bus = -1;
97 port->usb_address = -1;
98 port->usb_vid = -1;
99 port->usb_pid = -1;
100 port->usb_manufacturer = NULL;
101 port->usb_product = NULL;
102 port->usb_serial = NULL;
103 port->bluetooth_address = NULL;
104
e4ce975a 105#ifndef NO_PORT_METADATA
e33dcf90 106 if ((ret = get_port_details(port)) != SP_OK) {
a93fb468
AJ		 107 sp_free_port(port);
108 return ret;
109 }
e4ce975a 110#endif
a93fb468 111
77f262c4
ML		 112 *port_ptr = port;
113
c33efc48 114 RETURN_OK();
d54e9004
ML		 115}
116
970f279a 117SP_API char *sp_get_port_name(const struct sp_port *port)
1c5aae9d
ML		 118{
119 TRACE("%p", port);
120
121 if (!port)
122 return NULL;
123
9caa2e86 124 RETURN_STRING(port->name);
1c5aae9d
ML		 125}
126
970f279a 127SP_API char *sp_get_port_description(struct sp_port *port)
a93fb468
AJ		 128{
129 TRACE("%p", port);
130
131 if (!port || !port->description)
132 return NULL;
133
9caa2e86 134 RETURN_STRING(port->description);
a93fb468
AJ		 135}
136
970f279a 137SP_API enum sp_transport sp_get_port_transport(struct sp_port *port)
a93fb468
AJ		 138{
139 TRACE("%p", port);
140
141 if (!port)
142 RETURN_ERROR(SP_ERR_ARG, "Null port");
143
9caa2e86 144 RETURN_INT(port->transport);
a93fb468
AJ		 145}
146
970f279a
AJ		 147SP_API enum sp_return sp_get_port_usb_bus_address(const struct sp_port *port,
148 int *usb_bus,int *usb_address)
a93fb468
AJ		 149{
150 TRACE("%p", port);
151
152 if (!port)
153 RETURN_ERROR(SP_ERR_ARG, "Null port");
154 if (port->transport != SP_TRANSPORT_USB)
155 RETURN_ERROR(SP_ERR_ARG, "Port does not use USB transport");
65172bef
AJ		 156 if (port->usb_bus < 0 || port->usb_address < 0)
157 RETURN_ERROR(SP_ERR_SUPP, "Bus and address values are not available");
a93fb468
AJ		 158
159 if (usb_bus) *usb_bus = port->usb_bus;
160 if (usb_address) *usb_address = port->usb_address;
161
162 RETURN_OK();
163}
164
970f279a
AJ		 165SP_API enum sp_return sp_get_port_usb_vid_pid(const struct sp_port *port,
166 int *usb_vid, int *usb_pid)
a93fb468
AJ		 167{
168 TRACE("%p", port);
169
170 if (!port)
171 RETURN_ERROR(SP_ERR_ARG, "Null port");
172 if (port->transport != SP_TRANSPORT_USB)
173 RETURN_ERROR(SP_ERR_ARG, "Port does not use USB transport");
65172bef
AJ		 174 if (port->usb_vid < 0 || port->usb_pid < 0)
175 RETURN_ERROR(SP_ERR_SUPP, "VID:PID values are not available");
a93fb468
AJ		 176
177 if (usb_vid) *usb_vid = port->usb_vid;
178 if (usb_pid) *usb_pid = port->usb_pid;
179
180 RETURN_OK();
181}
182
970f279a 183SP_API char *sp_get_port_usb_manufacturer(const struct sp_port *port)
a93fb468
AJ		 184{
185 TRACE("%p", port);
186
187 if (!port || port->transport != SP_TRANSPORT_USB || !port->usb_manufacturer)
188 return NULL;
189
9caa2e86 190 RETURN_STRING(port->usb_manufacturer);
a93fb468
AJ		 191}
192
970f279a 193SP_API char *sp_get_port_usb_product(const struct sp_port *port)
a93fb468
AJ		 194{
195 TRACE("%p", port);
196
197 if (!port || port->transport != SP_TRANSPORT_USB || !port->usb_product)
198 return NULL;
199
9caa2e86 200 RETURN_STRING(port->usb_product);
a93fb468
AJ		 201}
202
970f279a 203SP_API char *sp_get_port_usb_serial(const struct sp_port *port)
a93fb468
AJ		 204{
205 TRACE("%p", port);
206
207 if (!port || port->transport != SP_TRANSPORT_USB || !port->usb_serial)
208 return NULL;
209
9caa2e86 210 RETURN_STRING(port->usb_serial);
a93fb468
AJ		 211}
212
970f279a 213SP_API char *sp_get_port_bluetooth_address(const struct sp_port *port)
a93fb468
AJ		 214{
215 TRACE("%p", port);
216
217 if (!port || port->transport != SP_TRANSPORT_BLUETOOTH
218 || !port->bluetooth_address)
219 return NULL;
220
9caa2e86 221 RETURN_STRING(port->bluetooth_address);
a93fb468
AJ		 222}
223
970f279a
AJ		 224SP_API enum sp_return sp_get_port_handle(const struct sp_port *port,
225 void *result_ptr)
3c126654 226{
00d8c56d 227 TRACE("%p, %p", port, result_ptr);
3c126654
ML		 228
229 if (!port)
230 RETURN_ERROR(SP_ERR_ARG, "Null port");
231
232#ifdef _WIN32
233 HANDLE *handle_ptr = result_ptr;
234 *handle_ptr = port->hdl;
235#else
236 int *fd_ptr = result_ptr;
237 *fd_ptr = port->fd;
238#endif
239
240 RETURN_OK();
241}
242
970f279a
AJ		 243SP_API enum sp_return sp_copy_port(const struct sp_port *port,
244 struct sp_port **copy_ptr)
32b5ac05 245{
c33efc48
ML		 246 TRACE("%p, %p", port, copy_ptr);
247
32b5ac05 248 if (!copy_ptr)
c33efc48 249 RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
32b5ac05
ML		 250
251 *copy_ptr = NULL;
252
c33efc48
ML		 253 if (!port)
254 RETURN_ERROR(SP_ERR_ARG, "Null port");
255
256 if (!port->name)
257 RETURN_ERROR(SP_ERR_ARG, "Null port name");
32b5ac05 258
ea667be7
ML		 259 DEBUG("Copying port structure");
260
9caa2e86 261 RETURN_INT(sp_get_port_by_name(port->name, copy_ptr));
32b5ac05
ML		 262}
263
970f279a 264SP_API void sp_free_port(struct sp_port *port)
e3b2f7a4 265{
c33efc48
ML		 266 TRACE("%p", port);
267
00d8c56d 268 if (!port) {
c33efc48
ML		 269 DEBUG("Null port");
270 RETURN();
271 }
e3b2f7a4 272
ea667be7
ML		 273 DEBUG("Freeing port structure");
274
e3b2f7a4
ML		 275 if (port->name)
276 free(port->name);
a93fb468
AJ		 277 if (port->description)
278 free(port->description);
279 if (port->usb_manufacturer)
280 free(port->usb_manufacturer);
281 if (port->usb_product)
282 free(port->usb_product);
283 if (port->usb_serial)
284 free(port->usb_serial);
285 if (port->bluetooth_address)
286 free(port->bluetooth_address);
287#ifdef _WIN32
288 if (port->usb_path)
289 free(port->usb_path);
290#endif
e3b2f7a4
ML		 291
292 free(port);
c33efc48
ML		 293
294 RETURN();
e3b2f7a4
ML		 295}
296
970f279a
AJ		 297SP_PRIV struct sp_port **list_append(struct sp_port **list,
298 const char *portname)
3b63f34d
ML		 299{
300 void *tmp;
301 unsigned int count;
f92f1f0c 302
3b63f34d 303 for (count = 0; list[count]; count++);
d54e9004 304 if (!(tmp = realloc(list, sizeof(struct sp_port *) * (count + 2))))
3b63f34d
ML		 305 goto fail;
306 list = tmp;
77f262c4 307 if (sp_get_port_by_name(portname, &list[count]) != SP_OK)
3b63f34d 308 goto fail;
db2794ce 309 list[count + 1] = NULL;
3b63f34d 310 return list;
f92f1f0c 311
3b63f34d
ML		 312fail:
313 sp_free_port_list(list);
314 return NULL;
315}
316
970f279a 317SP_API enum sp_return sp_list_ports(struct sp_port ***list_ptr)
3b63f34d 318{
d54e9004 319 struct sp_port **list;
48a4076f 320 int ret;
24c1a4bb 321
c33efc48
ML		 322 TRACE("%p", list_ptr);
323
dec10e31
ML		 324 if (!list_ptr)
325 RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
326
ea667be7
ML		 327 DEBUG("Enumerating ports");
328
d54e9004 329 if (!(list = malloc(sizeof(struct sp_port **))))
c33efc48 330 RETURN_ERROR(SP_ERR_MEM, "Port list malloc failed");
24c1a4bb
ML		 331
332 list[0] = NULL;
3b63f34d 333
e4ce975a
ML		 334#ifdef NO_ENUMERATION
335 ret = SP_ERR_SUPP;
336#else
48a4076f 337 ret = list_ports(&list);
e4ce975a 338#endif
77f262c4 339
6b93ede4
ML		 340 switch (ret) {
341 case SP_OK:
77f262c4 342 *list_ptr = list;
c33efc48 343 RETURN_OK();
6b93ede4 344 case SP_ERR_SUPP:
9af8cff3 345 DEBUG_ERROR(SP_ERR_SUPP, "Enumeration not supported on this platform");
6b93ede4 346 default:
77f262c4
ML		 347 if (list)
348 sp_free_port_list(list);
77f262c4 349 *list_ptr = NULL;
c33efc48 350 return ret;
77f262c4 351 }
3b63f34d
ML		 352}
353
970f279a 354SP_API void sp_free_port_list(struct sp_port **list)
3b63f34d
ML		 355{
356 unsigned int i;
f92f1f0c 357
c33efc48
ML		 358 TRACE("%p", list);
359
dec10e31
ML		 360 if (!list) {
361 DEBUG("Null list");
362 RETURN();
363 }
364
ea667be7
ML		 365 DEBUG("Freeing port list");
366
3b63f34d 367 for (i = 0; list[i]; i++)
e3b2f7a4 368 sp_free_port(list[i]);
3b63f34d 369 free(list);
c33efc48
ML		 370
371 RETURN();
3b63f34d
ML		 372}
373
c33efc48
ML		 374#define CHECK_PORT() do { \
375 if (port == NULL) \
376 RETURN_ERROR(SP_ERR_ARG, "Null port"); \
dec10e31
ML		 377 if (port->name == NULL) \
378 RETURN_ERROR(SP_ERR_ARG, "Null port name"); \
379} while (0)
380#ifdef _WIN32
381#define CHECK_PORT_HANDLE() do { \
c33efc48
ML		 382 if (port->hdl == INVALID_HANDLE_VALUE) \
383 RETURN_ERROR(SP_ERR_ARG, "Invalid port handle"); \
dec10e31 384} while (0)
74510d4b 385#else
dec10e31 386#define CHECK_PORT_HANDLE() do { \
c33efc48
ML		 387 if (port->fd < 0) \
388 RETURN_ERROR(SP_ERR_ARG, "Invalid port fd"); \
dec10e31 389} while (0)
74510d4b 390#endif
dec10e31
ML		 391#define CHECK_OPEN_PORT() do { \
392 CHECK_PORT(); \
393 CHECK_PORT_HANDLE(); \
394} while (0)
74510d4b 395
970f279a 396SP_API enum sp_return sp_open(struct sp_port *port, enum sp_mode flags)
74510d4b 397{
bccc7c9f
ML		 398 struct port_data data;
399 struct sp_port_config config;
400 enum sp_return ret;
401
00d8c56d 402 TRACE("%p, 0x%x", port, flags);
c33efc48 403
dec10e31
ML		 404 CHECK_PORT();
405
276ef1b9 406 if (flags > SP_MODE_READ_WRITE)
dec10e31 407 RETURN_ERROR(SP_ERR_ARG, "Invalid flags");
74510d4b 408
7890cef6 409 DEBUG_FMT("Opening port %s", port->name);
ea667be7 410
74510d4b 411#ifdef _WIN32
537942c9 412 DWORD desired_access = 0, flags_and_attributes = 0, errors;
99945a1f 413 char *escaped_port_name;
537942c9 414 COMSTAT status;
99945a1f
ML		 415
416 /* Prefix port name with '\\.\' to work with ports above COM9. */
e48f0ece 417 if (!(escaped_port_name = malloc(strlen(port->name) + 5)))
c33efc48 418 RETURN_ERROR(SP_ERR_MEM, "Escaped port name malloc failed");
99945a1f
ML		 419 sprintf(escaped_port_name, "\\\\.\\%s", port->name);
420
74510d4b 421 /* Map 'flags' to the OS-specific settings. */
e3dcf906 422 flags_and_attributes = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED;
a036341b
ML		 423 if (flags & SP_MODE_READ)
424 desired_access |= GENERIC_READ;
425 if (flags & SP_MODE_WRITE)
74510d4b 426 desired_access |= GENERIC_WRITE;
74510d4b 427
99945a1f 428 port->hdl = CreateFile(escaped_port_name, desired_access, 0, 0,
74510d4b 429 OPEN_EXISTING, flags_and_attributes, 0);
99945a1f
ML		 430
431 free(escaped_port_name);
432
74510d4b 433 if (port->hdl == INVALID_HANDLE_VALUE)
e3dcf906
ML		 434 RETURN_FAIL("port CreateFile() failed");
435
436 /* All timeouts initially disabled. */
437 port->timeouts.ReadIntervalTimeout = 0;
438 port->timeouts.ReadTotalTimeoutMultiplier = 0;
439 port->timeouts.ReadTotalTimeoutConstant = 0;
440 port->timeouts.WriteTotalTimeoutMultiplier = 0;
441 port->timeouts.WriteTotalTimeoutConstant = 0;
a3cb91f5 442
e3dcf906 443 if (SetCommTimeouts(port->hdl, &port->timeouts) == 0) {
a3cb91f5
ML		 444 sp_close(port);
445 RETURN_FAIL("SetCommTimeouts() failed");
446 }
e3dcf906
ML		 447
448 /* Prepare OVERLAPPED structures. */
6f1186aa
ML		 449#define INIT_OVERLAPPED(ovl) do { \
450 memset(&port->ovl, 0, sizeof(port->ovl)); \
451 port->ovl.hEvent = INVALID_HANDLE_VALUE; \
452 if ((port->ovl.hEvent = CreateEvent(NULL, TRUE, TRUE, NULL)) \
453 == INVALID_HANDLE_VALUE) { \
454 sp_close(port); \
455 RETURN_FAIL(#ovl "CreateEvent() failed"); \
456 } \
457} while (0)
458
459 INIT_OVERLAPPED(read_ovl);
460 INIT_OVERLAPPED(write_ovl);
461 INIT_OVERLAPPED(wait_ovl);
462
463 /* Set event mask for RX and error events. */
464 if (SetCommMask(port->hdl, EV_RXCHAR | EV_ERR) == 0) {
e3dcf906 465 sp_close(port);
6f1186aa 466 RETURN_FAIL("SetCommMask() failed");
e3dcf906 467 }
6f1186aa
ML		 468
469 /* Start background operation for RX and error events. */
470 if (WaitCommEvent(port->hdl, &port->events, &port->wait_ovl) == 0) {
471 if (GetLastError() != ERROR_IO_PENDING) {
472 sp_close(port);
473 RETURN_FAIL("WaitCommEvent() failed");
474 }
e3dcf906
ML		 475 }
476
477 port->writing = FALSE;
478
74510d4b 479#else
e3dcf906 480 int flags_local = O_NONBLOCK | O_NOCTTY;
f92f1f0c 481
74510d4b 482 /* Map 'flags' to the OS-specific settings. */
276ef1b9 483 if ((flags & SP_MODE_READ_WRITE) == SP_MODE_READ_WRITE)
74510d4b 484 flags_local |= O_RDWR;
a036341b 485 else if (flags & SP_MODE_READ)
74510d4b 486 flags_local |= O_RDONLY;
a036341b
ML		 487 else if (flags & SP_MODE_WRITE)
488 flags_local |= O_WRONLY;
74510d4b
ML		 489
490 if ((port->fd = open(port->name, flags_local)) < 0)
c33efc48 491 RETURN_FAIL("open() failed");
bccc7c9f 492#endif
9cb98459 493
e33ab9aa
ML		 494 ret = get_config(port, &data, &config);
495
eac329d2 496 if (ret < 0) {
e33ab9aa 497 sp_close(port);
c33efc48 498 RETURN_CODEVAL(ret);
e33ab9aa 499 }
9cb98459 500
bccc7c9f
ML		 501 /* Set sane port settings. */
502#ifdef _WIN32
503 data.dcb.fBinary = TRUE;
504 data.dcb.fDsrSensitivity = FALSE;
505 data.dcb.fErrorChar = FALSE;
506 data.dcb.fNull = FALSE;
507 data.dcb.fAbortOnError = TRUE;
508#else
b251be4b 509 /* Turn off all fancy termios tricks, give us a raw channel. */
c3e05092
UH		 510 data.term.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IMAXBEL);
511#ifdef IUCLC
512 data.term.c_iflag &= ~IUCLC;
513#endif
514 data.term.c_oflag &= ~(OPOST | ONLCR | OCRNL | ONOCR | ONLRET);
515#ifdef OLCUC
516 data.term.c_oflag &= ~OLCUC;
517#endif
518#ifdef NLDLY
519 data.term.c_oflag &= ~NLDLY;
520#endif
521#ifdef CRDLY
522 data.term.c_oflag &= ~CRDLY;
523#endif
524#ifdef TABDLY
525 data.term.c_oflag &= ~TABDLY;
526#endif
527#ifdef BSDLY
528 data.term.c_oflag &= ~BSDLY;
529#endif
530#ifdef VTDLY
531 data.term.c_oflag &= ~VTDLY;
532#endif
533#ifdef FFDLY
534 data.term.c_oflag &= ~FFDLY;
535#endif
b251be4b 536#ifdef OFILL
9cb98459
ML		 537 data.term.c_oflag &= ~OFILL;
538#endif
c3e05092 539 data.term.c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN);
e3dcf906 540 data.term.c_cc[VMIN] = 0;
b251be4b 541 data.term.c_cc[VTIME] = 0;
9cb98459 542
b251be4b
ML		 543 /* Ignore modem status lines; enable receiver; leave control lines alone on close. */
544 data.term.c_cflag |= (CLOCAL | CREAD | HUPCL);
bccc7c9f 545#endif
9cb98459 546
537942c9 547#ifdef _WIN32
1a2a1544
UH		 548 if (ClearCommError(port->hdl, &errors, &status) == 0)
549 RETURN_FAIL("ClearCommError() failed");
537942c9
ML		 550#endif
551
e33ab9aa
ML		 552 ret = set_config(port, &data, &config);
553
eac329d2 554 if (ret < 0) {
e33ab9aa 555 sp_close(port);
c33efc48 556 RETURN_CODEVAL(ret);
e33ab9aa 557 }
74510d4b 558
c33efc48 559 RETURN_OK();
74510d4b
ML		 560}
561
970f279a 562SP_API enum sp_return sp_close(struct sp_port *port)
74510d4b 563{
c33efc48
ML		 564 TRACE("%p", port);
565
dec10e31 566 CHECK_OPEN_PORT();
74510d4b 567
7890cef6 568 DEBUG_FMT("Closing port %s", port->name);
ea667be7 569
74510d4b
ML		 570#ifdef _WIN32
571 /* Returns non-zero upon success, 0 upon failure. */
572 if (CloseHandle(port->hdl) == 0)
e3dcf906 573 RETURN_FAIL("port CloseHandle() failed");
8f471c66 574 port->hdl = INVALID_HANDLE_VALUE;
6f1186aa
ML		 575
576 /* Close event handles for overlapped structures. */
577#define CLOSE_OVERLAPPED(ovl) do { \
578 if (port->ovl.hEvent != INVALID_HANDLE_VALUE && \
579 CloseHandle(port->ovl.hEvent) == 0) \
580 RETURN_FAIL(# ovl "event CloseHandle() failed"); \
581} while (0)
582 CLOSE_OVERLAPPED(read_ovl);
583 CLOSE_OVERLAPPED(write_ovl);
584 CLOSE_OVERLAPPED(wait_ovl);
585
74510d4b
ML		 586#else
587 /* Returns 0 upon success, -1 upon failure. */
588 if (close(port->fd) == -1)
c33efc48 589 RETURN_FAIL("close() failed");
8f471c66 590 port->fd = -1;
74510d4b
ML		 591#endif
592
c33efc48 593 RETURN_OK();
74510d4b
ML		 594}
595
970f279a 596SP_API enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers)
74510d4b 597{
00d8c56d 598 TRACE("%p, 0x%x", port, buffers);
c33efc48 599
dec10e31
ML		 600 CHECK_OPEN_PORT();
601
602 if (buffers > SP_BUF_BOTH)
603 RETURN_ERROR(SP_ERR_ARG, "Invalid buffer selection");
74510d4b 604
0ba3e49b 605 const char *buffer_names[] = {"no", "input", "output", "both"};
ea667be7 606
7890cef6
ML		 607 DEBUG_FMT("Flushing %s buffers on port %s",
608 buffer_names[buffers], port->name);
ea667be7 609
74510d4b 610#ifdef _WIN32
fd8fd11a
ML		 611 DWORD flags = 0;
612 if (buffers & SP_BUF_INPUT)
613 flags |= PURGE_RXCLEAR;
614 if (buffers & SP_BUF_OUTPUT)
615 flags |= PURGE_TXCLEAR;
616
74510d4b 617 /* Returns non-zero upon success, 0 upon failure. */
fd8fd11a 618 if (PurgeComm(port->hdl, flags) == 0)
c33efc48 619 RETURN_FAIL("PurgeComm() failed");
74510d4b 620#else
fd8fd11a 621 int flags = 0;
ad749855 622 if (buffers == SP_BUF_BOTH)
fd8fd11a 623 flags = TCIOFLUSH;
ad749855 624 else if (buffers == SP_BUF_INPUT)
fd8fd11a 625 flags = TCIFLUSH;
ad749855 626 else if (buffers == SP_BUF_OUTPUT)
fd8fd11a
ML		 627 flags = TCOFLUSH;
628
74510d4b 629 /* Returns 0 upon success, -1 upon failure. */
fd8fd11a 630 if (tcflush(port->fd, flags) < 0)
c33efc48 631 RETURN_FAIL("tcflush() failed");
74510d4b 632#endif
c33efc48 633 RETURN_OK();
74510d4b
ML		 634}
635
970f279a 636SP_API enum sp_return sp_drain(struct sp_port *port)
69a3739c 637{
c33efc48
ML		 638 TRACE("%p", port);
639
dec10e31 640 CHECK_OPEN_PORT();
69a3739c 641
7890cef6 642 DEBUG_FMT("Draining port %s", port->name);
ea667be7 643
69a3739c
ML		 644#ifdef _WIN32
645 /* Returns non-zero upon success, 0 upon failure. */
646 if (FlushFileBuffers(port->hdl) == 0)
c33efc48 647 RETURN_FAIL("FlushFileBuffers() failed");
2c827b21 648 RETURN_OK();
69a3739c 649#else
2c827b21
ML		 650 int result;
651 while (1) {
33fd8804
ML		 652#ifdef __ANDROID__
653 int arg = 1;
654 result = ioctl(port->fd, TCSBRK, &arg);
655#else
2c827b21 656 result = tcdrain(port->fd);
33fd8804 657#endif
2c827b21
ML		 658 if (result < 0) {
659 if (errno == EINTR) {
660 DEBUG("tcdrain() was interrupted");
661 continue;
662 } else {
663 RETURN_FAIL("tcdrain() failed");
664 }
665 } else {
666 RETURN_OK();
667 }
668 }
69a3739c 669#endif
69a3739c
ML		 670}
671
970f279a
AJ		 672SP_API enum sp_return sp_blocking_write(struct sp_port *port, const void *buf,
673 size_t count, unsigned int timeout)
e3dcf906
ML		 674{
675 TRACE("%p, %p, %d, %d", port, buf, count, timeout);
676
677 CHECK_OPEN_PORT();
678
679 if (!buf)
680 RETURN_ERROR(SP_ERR_ARG, "Null buffer");
681
682 if (timeout)
7890cef6
ML		 683 DEBUG_FMT("Writing %d bytes to port %s, timeout %d ms",
684 count, port->name, timeout);
e3dcf906 685 else
7890cef6
ML		 686 DEBUG_FMT("Writing %d bytes to port %s, no timeout",
687 count, port->name);
e3dcf906
ML		 688
689 if (count == 0)
9caa2e86 690 RETURN_INT(0);
e3dcf906
ML		 691
692#ifdef _WIN32
693 DWORD bytes_written = 0;
694 BOOL result;
695
696 /* Wait for previous non-blocking write to complete, if any. */
697 if (port->writing) {
698 DEBUG("Waiting for previous write to complete");
699 result = GetOverlappedResult(port->hdl, &port->write_ovl, &bytes_written, TRUE);
700 port->writing = 0;
701 if (!result)
702 RETURN_FAIL("Previous write failed to complete");
703 DEBUG("Previous write completed");
704 }
705
706 /* Set timeout. */
707 port->timeouts.WriteTotalTimeoutConstant = timeout;
708 if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
709 RETURN_FAIL("SetCommTimeouts() failed");
710
711 /* Start write. */
712 if (WriteFile(port->hdl, buf, count, NULL, &port->write_ovl) == 0) {
713 if (GetLastError() == ERROR_IO_PENDING) {
714 DEBUG("Waiting for write to complete");
715 GetOverlappedResult(port->hdl, &port->write_ovl, &bytes_written, TRUE);
7890cef6 716 DEBUG_FMT("Write completed, %d/%d bytes written", bytes_written, count);
9caa2e86 717 RETURN_INT(bytes_written);
e3dcf906
ML		 718 } else {
719 RETURN_FAIL("WriteFile() failed");
720 }
721 } else {
722 DEBUG("Write completed immediately");
9caa2e86 723 RETURN_INT(count);
e3dcf906
ML		 724 }
725#else
726 size_t bytes_written = 0;
727 unsigned char *ptr = (unsigned char *) buf;
728 struct timeval start, delta, now, end = {0, 0};
729 fd_set fds;
730 int result;
731
732 if (timeout) {
733 /* Get time at start of operation. */
734 gettimeofday(&start, NULL);
735 /* Define duration of timeout. */
736 delta.tv_sec = timeout / 1000;
1b342042 737 delta.tv_usec = (timeout % 1000) * 1000;
e3dcf906
ML		 738 /* Calculate time at which we should give up. */
739 timeradd(&start, &delta, &end);
740 }
741
742 /* Loop until we have written the requested number of bytes. */
743 while (bytes_written < count)
744 {
745 /* Wait until space is available. */
746 FD_ZERO(&fds);
747 FD_SET(port->fd, &fds);
748 if (timeout) {
749 gettimeofday(&now, NULL);
750 if (timercmp(&now, &end, >)) {
751 DEBUG("write timed out");
9caa2e86 752 RETURN_INT(bytes_written);
e3dcf906
ML		 753 }
754 timersub(&end, &now, &delta);
755 }
756 result = select(port->fd + 1, NULL, &fds, NULL, timeout ? &delta : NULL);
63a17c64
ML		 757 if (result < 0) {
758 if (errno == EINTR) {
759 DEBUG("select() call was interrupted, repeating");
760 continue;
761 } else {
762 RETURN_FAIL("select() failed");
763 }
764 } else if (result == 0) {
e3dcf906 765 DEBUG("write timed out");
9caa2e86 766 RETURN_INT(bytes_written);
e3dcf906
ML		 767 }
768
769 /* Do write. */
770 result = write(port->fd, ptr, count - bytes_written);
771
772 if (result < 0) {
773 if (errno == EAGAIN)
774 /* This shouldn't happen because we did a select() first, but handle anyway. */
775 continue;
776 else
777 /* This is an actual failure. */
778 RETURN_FAIL("write() failed");
779 }
780
781 bytes_written += result;
782 ptr += result;
783 }
784
9caa2e86 785 RETURN_INT(bytes_written);
e3dcf906
ML		 786#endif
787}
788
970f279a
AJ		 789SP_API enum sp_return sp_nonblocking_write(struct sp_port *port,
790 const void *buf, size_t count)
74510d4b 791{
c33efc48
ML		 792 TRACE("%p, %p, %d", port, buf, count);
793
dec10e31 794 CHECK_OPEN_PORT();
74510d4b
ML		 795
796 if (!buf)
c33efc48 797 RETURN_ERROR(SP_ERR_ARG, "Null buffer");
74510d4b 798
7890cef6 799 DEBUG_FMT("Writing up to %d bytes to port %s", count, port->name);
ea667be7 800
a3cb91f5 801 if (count == 0)
9caa2e86 802 RETURN_INT(0);
a3cb91f5 803
74510d4b
ML		 804#ifdef _WIN32
805 DWORD written = 0;
0765af56 806 BYTE *ptr = (BYTE *) buf;
f92f1f0c 807
e3dcf906
ML		 808 /* Check whether previous write is complete. */
809 if (port->writing) {
810 if (HasOverlappedIoCompleted(&port->write_ovl)) {
811 DEBUG("Previous write completed");
812 port->writing = 0;
813 } else {
814 DEBUG("Previous write not complete");
815 /* Can't take a new write until the previous one finishes. */
9caa2e86 816 RETURN_INT(0);
a3cb91f5 817 }
e3dcf906 818 }
a3cb91f5 819
e3dcf906
ML		 820 /* Set timeout. */
821 port->timeouts.WriteTotalTimeoutConstant = 0;
822 if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
823 RETURN_FAIL("SetCommTimeouts() failed");
824
825 /* Keep writing data until the OS has to actually start an async IO for it.
826 * At that point we know the buffer is full. */
827 while (written < count)
828 {
829 /* Copy first byte of user buffer. */
830 port->pending_byte = *ptr++;
831
832 /* Start asynchronous write. */
833 if (WriteFile(port->hdl, &port->pending_byte, 1, NULL, &port->write_ovl) == 0) {
834 if (GetLastError() == ERROR_IO_PENDING) {
64d99621
ML		 835 if (HasOverlappedIoCompleted(&port->write_ovl)) {
836 DEBUG("Asynchronous write completed immediately");
837 port->writing = 0;
838 written++;
839 continue;
840 } else {
841 DEBUG("Asynchronous write running");
842 port->writing = 1;
9caa2e86 843 RETURN_INT(++written);
64d99621 844 }
a3cb91f5 845 } else {
e3dcf906
ML		 846 /* Actual failure of some kind. */
847 RETURN_FAIL("WriteFile() failed");
a3cb91f5 848 }
e3dcf906 849 } else {
9af8cff3 850 DEBUG("Single byte written immediately");
e3dcf906 851 written++;
a3cb91f5
ML		 852 }
853 }
854
9af8cff3 855 DEBUG("All bytes written immediately");
e3dcf906 856
9caa2e86 857 RETURN_INT(written);
74510d4b
ML		 858#else
859 /* Returns the number of bytes written, or -1 upon failure. */
860 ssize_t written = write(port->fd, buf, count);
f92f1f0c 861
74510d4b 862 if (written < 0)
c33efc48 863 RETURN_FAIL("write() failed");
74510d4b 864 else
9caa2e86 865 RETURN_INT(written);
74510d4b
ML		 866#endif
867}
868
970f279a
AJ		 869SP_API enum sp_return sp_blocking_read(struct sp_port *port, void *buf,
870 size_t count, unsigned int timeout)
e3dcf906
ML		 871{
872 TRACE("%p, %p, %d, %d", port, buf, count, timeout);
873
874 CHECK_OPEN_PORT();
875
876 if (!buf)
877 RETURN_ERROR(SP_ERR_ARG, "Null buffer");
878
879 if (timeout)
7890cef6
ML		 880 DEBUG_FMT("Reading %d bytes from port %s, timeout %d ms",
881 count, port->name, timeout);
e3dcf906 882 else
7890cef6
ML		 883 DEBUG_FMT("Reading %d bytes from port %s, no timeout",
884 count, port->name);
e3dcf906
ML		 885
886 if (count == 0)
9caa2e86 887 RETURN_INT(0);
e3dcf906
ML		 888
889#ifdef _WIN32
890 DWORD bytes_read = 0;
f446cfbf 891 DWORD wait_result = 0;
e3dcf906
ML		 892
893 /* Set timeout. */
894 port->timeouts.ReadIntervalTimeout = 0;
895 port->timeouts.ReadTotalTimeoutConstant = timeout;
896 if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
897 RETURN_FAIL("SetCommTimeouts() failed");
898
899 /* Start read. */
900 if (ReadFile(port->hdl, buf, count, NULL, &port->read_ovl) == 0) {
901 if (GetLastError() == ERROR_IO_PENDING) {
902 DEBUG("Waiting for read to complete");
903 GetOverlappedResult(port->hdl, &port->read_ovl, &bytes_read, TRUE);
7890cef6 904 DEBUG_FMT("Read completed, %d/%d bytes read", bytes_read, count);
e3dcf906
ML		 905 } else {
906 RETURN_FAIL("ReadFile() failed");
907 }
908 } else {
909 DEBUG("Read completed immediately");
6f1186aa
ML		 910 bytes_read = count;
911 }
912
f446cfbf
ML		 913 /* Restart wait operation if needed. */
914 if (GetOverlappedResult(port->hdl, &port->wait_ovl, &wait_result, FALSE)) {
915 /* Previous wait completed, start a new one. */
916 if (WaitCommEvent(port->hdl, &port->events, &port->wait_ovl) == 0) {
917 if (GetLastError() != ERROR_IO_PENDING)
918 RETURN_FAIL("WaitCommEvent() failed");
919 }
920 } else if (GetLastError() != ERROR_IO_INCOMPLETE) {
921 RETURN_FAIL("GetOverlappedResult() failed");
e3dcf906 922 }
6f1186aa 923
9caa2e86 924 RETURN_INT(bytes_read);
6f1186aa 925
e3dcf906
ML		 926#else
927 size_t bytes_read = 0;
928 unsigned char *ptr = (unsigned char *) buf;
929 struct timeval start, delta, now, end = {0, 0};
930 fd_set fds;
931 int result;
932
933 if (timeout) {
934 /* Get time at start of operation. */
935 gettimeofday(&start, NULL);
936 /* Define duration of timeout. */
937 delta.tv_sec = timeout / 1000;
1b342042 938 delta.tv_usec = (timeout % 1000) * 1000;
e3dcf906
ML		 939 /* Calculate time at which we should give up. */
940 timeradd(&start, &delta, &end);
941 }
942
943 /* Loop until we have the requested number of bytes. */
944 while (bytes_read < count)
945 {
946 /* Wait until data is available. */
947 FD_ZERO(&fds);
948 FD_SET(port->fd, &fds);
949 if (timeout) {
950 gettimeofday(&now, NULL);
951 if (timercmp(&now, &end, >))
952 /* Timeout has expired. */
9caa2e86 953 RETURN_INT(bytes_read);
e3dcf906
ML		 954 timersub(&end, &now, &delta);
955 }
956 result = select(port->fd + 1, &fds, NULL, NULL, timeout ? &delta : NULL);
63a17c64
ML		 957 if (result < 0) {
958 if (errno == EINTR) {
959 DEBUG("select() call was interrupted, repeating");
960 continue;
961 } else {
962 RETURN_FAIL("select() failed");
963 }
964 } else if (result == 0) {
e3dcf906 965 DEBUG("read timed out");
9caa2e86 966 RETURN_INT(bytes_read);
e3dcf906
ML		 967 }
968
969 /* Do read. */
970 result = read(port->fd, ptr, count - bytes_read);
971
972 if (result < 0) {
973 if (errno == EAGAIN)
974 /* This shouldn't happen because we did a select() first, but handle anyway. */
975 continue;
976 else
977 /* This is an actual failure. */
978 RETURN_FAIL("read() failed");
979 }
980
981 bytes_read += result;
982 ptr += result;
983 }
984
9caa2e86 985 RETURN_INT(bytes_read);
e3dcf906
ML		 986#endif
987}
988
970f279a
AJ		 989SP_API enum sp_return sp_nonblocking_read(struct sp_port *port, void *buf,
990 size_t count)
74510d4b 991{
c33efc48
ML		 992 TRACE("%p, %p, %d", port, buf, count);
993
dec10e31 994 CHECK_OPEN_PORT();
74510d4b
ML		 995
996 if (!buf)
c33efc48 997 RETURN_ERROR(SP_ERR_ARG, "Null buffer");
74510d4b 998
7890cef6 999 DEBUG_FMT("Reading up to %d bytes from port %s", count, port->name);
ea667be7 1000
74510d4b 1001#ifdef _WIN32
e3dcf906 1002 DWORD bytes_read;
f446cfbf 1003 DWORD wait_result;
f92f1f0c 1004
e3dcf906
ML		 1005 /* Set timeout. */
1006 port->timeouts.ReadIntervalTimeout = MAXDWORD;
1007 port->timeouts.ReadTotalTimeoutConstant = 0;
1008 if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
1009 RETURN_FAIL("SetCommTimeouts() failed");
1010
1011 /* Do read. */
1012 if (ReadFile(port->hdl, buf, count, NULL, &port->read_ovl) == 0)
c33efc48 1013 RETURN_FAIL("ReadFile() failed");
e3dcf906
ML		 1014
1015 /* Get number of bytes read. */
1622ef60
ML		 1016 if (GetOverlappedResult(port->hdl, &port->read_ovl, &bytes_read, TRUE) == 0)
1017 RETURN_FAIL("GetOverlappedResult() failed");
e3dcf906 1018
f446cfbf
ML		 1019 /* Restart wait operation if needed. */
1020 if (GetOverlappedResult(port->hdl, &port->wait_ovl, &wait_result, FALSE)) {
1021 /* Previous wait completed, start a new one. */
6f1186aa
ML		 1022 if (WaitCommEvent(port->hdl, &port->events, &port->wait_ovl) == 0) {
1023 if (GetLastError() != ERROR_IO_PENDING)
1024 RETURN_FAIL("WaitCommEvent() failed");
1025 }
f446cfbf
ML		 1026 } else if (GetLastError() != ERROR_IO_INCOMPLETE) {
1027 RETURN_FAIL("GetOverlappedResult() failed");
6f1186aa
ML		 1028 }
1029
9caa2e86 1030 RETURN_INT(bytes_read);
74510d4b
ML		 1031#else
1032 ssize_t bytes_read;
f92f1f0c 1033
74510d4b 1034 /* Returns the number of bytes read, or -1 upon failure. */
33d5ff47 1035 if ((bytes_read = read(port->fd, buf, count)) < 0) {
e3dcf906
ML		 1036 if (errno == EAGAIN)
1037 /* No bytes available. */
33d5ff47
ML		 1038 bytes_read = 0;
1039 else
1040 /* This is an actual failure. */
1041 RETURN_FAIL("read() failed");
1042 }
9caa2e86 1043 RETURN_INT(bytes_read);
74510d4b
ML		 1044#endif
1045}
1046
970f279a 1047SP_API enum sp_return sp_input_waiting(struct sp_port *port)
3353c22f
ML		 1048{
1049 TRACE("%p", port);
1050
1051 CHECK_OPEN_PORT();
1052
7890cef6 1053 DEBUG_FMT("Checking input bytes waiting on port %s", port->name);
3353c22f
ML		 1054
1055#ifdef _WIN32
1056 DWORD errors;
1057 COMSTAT comstat;
1058
1059 if (ClearCommError(port->hdl, &errors, &comstat) == 0)
1a2a1544 1060 RETURN_FAIL("ClearCommError() failed");
9caa2e86 1061 RETURN_INT(comstat.cbInQue);
3353c22f
ML		 1062#else
1063 int bytes_waiting;
1064 if (ioctl(port->fd, TIOCINQ, &bytes_waiting) < 0)
1065 RETURN_FAIL("TIOCINQ ioctl failed");
9caa2e86 1066 RETURN_INT(bytes_waiting);
3353c22f
ML		 1067#endif
1068}
1069
970f279a 1070SP_API enum sp_return sp_output_waiting(struct sp_port *port)
3353c22f
ML		 1071{
1072 TRACE("%p", port);
1073
1074 CHECK_OPEN_PORT();
1075
7890cef6 1076 DEBUG_FMT("Checking output bytes waiting on port %s", port->name);
3353c22f
ML		 1077
1078#ifdef _WIN32
1079 DWORD errors;
1080 COMSTAT comstat;
1081
1082 if (ClearCommError(port->hdl, &errors, &comstat) == 0)
1a2a1544 1083 RETURN_FAIL("ClearCommError() failed");
9caa2e86 1084 RETURN_INT(comstat.cbOutQue);
3353c22f
ML		 1085#else
1086 int bytes_waiting;
1087 if (ioctl(port->fd, TIOCOUTQ, &bytes_waiting) < 0)
1088 RETURN_FAIL("TIOCOUTQ ioctl failed");
9caa2e86 1089 RETURN_INT(bytes_waiting);
3353c22f
ML		 1090#endif
1091}
1092
970f279a 1093SP_API enum sp_return sp_new_event_set(struct sp_event_set **result_ptr)
6f1186aa
ML		 1094{
1095 struct sp_event_set *result;
1096
1097 TRACE("%p", result_ptr);
1098
1099 if (!result_ptr)
1100 RETURN_ERROR(SP_ERR_ARG, "Null result");
1101
1102 *result_ptr = NULL;
1103
1104 if (!(result = malloc(sizeof(struct sp_event_set))))
1105 RETURN_ERROR(SP_ERR_MEM, "sp_event_set malloc() failed");
1106
1107 memset(result, 0, sizeof(struct sp_event_set));
1108
1109 *result_ptr = result;
1110
1111 RETURN_OK();
1112}
1113
1114static enum sp_return add_handle(struct sp_event_set *event_set,
1115 event_handle handle, enum sp_event mask)
1116{
1117 void *new_handles;
1118 enum sp_event *new_masks;
1119
1120 TRACE("%p, %d, %d", event_set, handle, mask);
1121
1122 if (!(new_handles = realloc(event_set->handles,
1123 sizeof(event_handle) * (event_set->count + 1))))
1124 RETURN_ERROR(SP_ERR_MEM, "handle array realloc() failed");
1125
1126 if (!(new_masks = realloc(event_set->masks,
1127 sizeof(enum sp_event) * (event_set->count + 1))))
1128 RETURN_ERROR(SP_ERR_MEM, "mask array realloc() failed");
1129
1130 event_set->handles = new_handles;
1131 event_set->masks = new_masks;
1132
1133 ((event_handle *) event_set->handles)[event_set->count] = handle;
1134 event_set->masks[event_set->count] = mask;
1135
1136 event_set->count++;
1137
1138 RETURN_OK();
1139}
1140
970f279a 1141SP_API enum sp_return sp_add_port_events(struct sp_event_set *event_set,
6f1186aa
ML		 1142 const struct sp_port *port, enum sp_event mask)
1143{
1144 TRACE("%p, %p, %d", event_set, port, mask);
1145
1146 if (!event_set)
1147 RETURN_ERROR(SP_ERR_ARG, "Null event set");
1148
1149 if (!port)
1150 RETURN_ERROR(SP_ERR_ARG, "Null port");
1151
1152 if (mask > (SP_EVENT_RX_READY | SP_EVENT_TX_READY | SP_EVENT_ERROR))
1153 RETURN_ERROR(SP_ERR_ARG, "Invalid event mask");
1154
1155 if (!mask)
1156 RETURN_OK();
1157
1158#ifdef _WIN32
1159 enum sp_event handle_mask;
1160 if ((handle_mask = mask & SP_EVENT_TX_READY))
1161 TRY(add_handle(event_set, port->write_ovl.hEvent, handle_mask));
1162 if ((handle_mask = mask & (SP_EVENT_RX_READY | SP_EVENT_ERROR)))
1163 TRY(add_handle(event_set, port->wait_ovl.hEvent, handle_mask));
1164#else
1165 TRY(add_handle(event_set, port->fd, mask));
1166#endif
1167
1168 RETURN_OK();
1169}
1170
970f279a 1171SP_API void sp_free_event_set(struct sp_event_set *event_set)
6f1186aa
ML		 1172{
1173 TRACE("%p", event_set);
1174
1175 if (!event_set) {
1176 DEBUG("Null event set");
1177 RETURN();
1178 }
1179
1180 DEBUG("Freeing event set");
1181
1182 if (event_set->handles)
1183 free(event_set->handles);
1184 if (event_set->masks)
1185 free(event_set->masks);
1186
1187 free(event_set);
1188
1189 RETURN();
1190}
1191
970f279a
AJ		 1192SP_API enum sp_return sp_wait(struct sp_event_set *event_set,
1193 unsigned int timeout)
6f1186aa
ML		 1194{
1195 TRACE("%p, %d", event_set, timeout);
1196
1197 if (!event_set)
1198 RETURN_ERROR(SP_ERR_ARG, "Null event set");
1199
1200#ifdef _WIN32
1201 if (WaitForMultipleObjects(event_set->count, event_set->handles, FALSE,
1202 timeout ? timeout : INFINITE) == WAIT_FAILED)
1203 RETURN_FAIL("WaitForMultipleObjects() failed");
1204
1205 RETURN_OK();
1206#else
1207 struct timeval start, delta, now, end = {0, 0};
1208 int result, timeout_remaining;
1209 struct pollfd *pollfds;
1210 unsigned int i;
1211
1212 if (!(pollfds = malloc(sizeof(struct pollfd) * event_set->count)))
1213 RETURN_ERROR(SP_ERR_MEM, "pollfds malloc() failed");
1214
1215 for (i = 0; i < event_set->count; i++) {
1216 pollfds[i].fd = ((int *) event_set->handles)[i];
1217 pollfds[i].events = 0;
1218 pollfds[i].revents = 0;
1219 if (event_set->masks[i] & SP_EVENT_RX_READY)
1220 pollfds[i].events |= POLLIN;
1221 if (event_set->masks[i] & SP_EVENT_TX_READY)
1222 pollfds[i].events |= POLLOUT;
1223 if (event_set->masks[i] & SP_EVENT_ERROR)
1224 pollfds[i].events |= POLLERR;
1225 }
1226
1227 if (timeout) {
1228 /* Get time at start of operation. */
1229 gettimeofday(&start, NULL);
1230 /* Define duration of timeout. */
1231 delta.tv_sec = timeout / 1000;
1232 delta.tv_usec = (timeout % 1000) * 1000;
1233 /* Calculate time at which we should give up. */
1234 timeradd(&start, &delta, &end);
1235 }
1236
1237 /* Loop until an event occurs. */
1238 while (1)
1239 {
1240 if (timeout) {
1241 gettimeofday(&now, NULL);
1242 if (timercmp(&now, &end, >)) {
1243 DEBUG("wait timed out");
1244 break;
1245 }
1246 timersub(&end, &now, &delta);
1247 timeout_remaining = delta.tv_sec * 1000 + delta.tv_usec / 1000;
1248 }
1249
1250 result = poll(pollfds, event_set->count, timeout ? timeout_remaining : -1);
1251
1252 if (result < 0) {
1253 if (errno == EINTR) {
1254 DEBUG("poll() call was interrupted, repeating");
1255 continue;
1256 } else {
1257 free(pollfds);
1258 RETURN_FAIL("poll() failed");
1259 }
1260 } else if (result == 0) {
1261 DEBUG("poll() timed out");
1262 break;
1263 } else {
1264 DEBUG("poll() completed");
1265 break;
1266 }
1267 }
1268
1269 free(pollfds);
1270 RETURN_OK();
1271#endif
1272}
1273
5cea279a 1274#ifdef USE_TERMIOS_SPEED
7a6d2196
ML		 1275static enum sp_return get_baudrate(int fd, int *baudrate)
1276{
1277 void *data;
1278
c33efc48
ML		 1279 TRACE("%d, %p", fd, baudrate);
1280
ea667be7
ML		 1281 DEBUG("Getting baud rate");
1282
7a6d2196 1283 if (!(data = malloc(get_termios_size())))
c33efc48 1284 RETURN_ERROR(SP_ERR_MEM, "termios malloc failed");
7a6d2196 1285
8d43110a
ML		 1286 if (ioctl(fd, get_termios_get_ioctl(), data) < 0) {
1287 free(data);
c33efc48 1288 RETURN_FAIL("getting termios failed");
8d43110a 1289 }
7a6d2196
ML		 1290
1291 *baudrate = get_termios_speed(data);
1292
8d43110a
ML		 1293 free(data);
1294
c33efc48 1295 RETURN_OK();
7a6d2196
ML		 1296}
1297
1298static enum sp_return set_baudrate(int fd, int baudrate)
1299{
1300 void *data;
1301
c33efc48
ML		 1302 TRACE("%d, %d", fd, baudrate);
1303
ea667be7
ML		 1304 DEBUG("Getting baud rate");
1305
7a6d2196 1306 if (!(data = malloc(get_termios_size())))
c33efc48 1307 RETURN_ERROR(SP_ERR_MEM, "termios malloc failed");
7a6d2196 1308
8d43110a
ML		 1309 if (ioctl(fd, get_termios_get_ioctl(), data) < 0) {
1310 free(data);
c33efc48 1311 RETURN_FAIL("getting termios failed");
8d43110a 1312 }
7a6d2196 1313
ea667be7
ML		 1314 DEBUG("Setting baud rate");
1315
7a6d2196
ML		 1316 set_termios_speed(data, baudrate);
1317
8d43110a
ML		 1318 if (ioctl(fd, get_termios_set_ioctl(), data) < 0) {
1319 free(data);
c33efc48 1320 RETURN_FAIL("setting termios failed");
8d43110a
ML		 1321 }
1322
1323 free(data);
7a6d2196 1324
c33efc48 1325 RETURN_OK();
7a6d2196 1326}
5cea279a 1327#endif /* USE_TERMIOS_SPEED */
40978c2b
ML		 1328
1329#ifdef USE_TERMIOX
bd791fe1 1330static enum sp_return get_flow(int fd, struct port_data *data)
40978c2b 1331{
bd791fe1 1332 void *termx;
40978c2b 1333
bd791fe1 1334 TRACE("%d, %p", fd, data);
c33efc48 1335
ea667be7
ML		 1336 DEBUG("Getting advanced flow control");
1337
bd791fe1 1338 if (!(termx = malloc(get_termiox_size())))
c33efc48 1339 RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed");
40978c2b 1340
bd791fe1
ML		 1341 if (ioctl(fd, TCGETX, termx) < 0) {
1342 free(termx);
c33efc48 1343 RETURN_FAIL("getting termiox failed");
8d43110a 1344 }
40978c2b 1345
bd791fe1
ML		 1346 get_termiox_flow(termx, &data->rts_flow, &data->cts_flow,
1347 &data->dtr_flow, &data->dsr_flow);
40978c2b 1348
bd791fe1 1349 free(termx);
8d43110a 1350
c33efc48 1351 RETURN_OK();
40978c2b
ML		 1352}
1353
bd791fe1 1354static enum sp_return set_flow(int fd, struct port_data *data)
40978c2b 1355{
bd791fe1 1356 void *termx;
40978c2b 1357
bd791fe1 1358 TRACE("%d, %p", fd, data);
c33efc48 1359
ea667be7
ML		 1360 DEBUG("Getting advanced flow control");
1361
bd791fe1 1362 if (!(termx = malloc(get_termiox_size())))
c33efc48 1363 RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed");
40978c2b 1364
bd791fe1
ML		 1365 if (ioctl(fd, TCGETX, termx) < 0) {
1366 free(termx);
c33efc48 1367 RETURN_FAIL("getting termiox failed");
8d43110a 1368 }
40978c2b 1369
ea667be7
ML		 1370 DEBUG("Setting advanced flow control");
1371
bd791fe1
ML		 1372 set_termiox_flow(termx, data->rts_flow, data->cts_flow,
1373 data->dtr_flow, data->dsr_flow);
40978c2b 1374
bd791fe1
ML		 1375 if (ioctl(fd, TCSETX, termx) < 0) {
1376 free(termx);
c33efc48 1377 RETURN_FAIL("setting termiox failed");
8d43110a
ML		 1378 }
1379
bd791fe1 1380 free(termx);
40978c2b 1381
c33efc48 1382 RETURN_OK();
40978c2b
ML		 1383}
1384#endif /* USE_TERMIOX */
7a6d2196 1385
eb6ed20f
ML		 1386static enum sp_return get_config(struct sp_port *port, struct port_data *data,
1387 struct sp_port_config *config)
8094e4a0 1388{
da2748bf 1389 unsigned int i;
cbf628c7 1390
c33efc48
ML		 1391 TRACE("%p, %p, %p", port, data, config);
1392
7890cef6 1393 DEBUG_FMT("Getting configuration for port %s", port->name);
ea667be7 1394
8094e4a0 1395#ifdef _WIN32
e33ab9aa 1396 if (!GetCommState(port->hdl, &data->dcb))
c33efc48 1397 RETURN_FAIL("GetCommState() failed");
8094e4a0 1398
067417af 1399 for (i = 0; i < NUM_STD_BAUDRATES; i++) {
e33ab9aa 1400 if (data->dcb.BaudRate == std_baudrates[i].index) {
067417af
ML		 1401 config->baudrate = std_baudrates[i].value;
1402 break;
1403 }
1404 }
1405
1406 if (i == NUM_STD_BAUDRATES)
1407 /* BaudRate field can be either an index or a custom baud rate. */
e33ab9aa 1408 config->baudrate = data->dcb.BaudRate;
067417af 1409
e33ab9aa 1410 config->bits = data->dcb.ByteSize;
067417af 1411
e33ab9aa
ML		 1412 if (data->dcb.fParity)
1413 switch (data->dcb.Parity) {
067417af
ML		 1414 case NOPARITY:
1415 config->parity = SP_PARITY_NONE;
1416 break;
e432ce60
ML		 1417 case ODDPARITY:
1418 config->parity = SP_PARITY_ODD;
1419 break;
067417af
ML		 1420 case EVENPARITY:
1421 config->parity = SP_PARITY_EVEN;
1422 break;
e432ce60
ML		 1423 case MARKPARITY:
1424 config->parity = SP_PARITY_MARK;
1425 break;
1426 case SPACEPARITY:
1427 config->parity = SP_PARITY_SPACE;
067417af
ML		 1428 break;
1429 default:
1430 config->parity = -1;
1431 }
1432 else
1433 config->parity = SP_PARITY_NONE;
1434
e33ab9aa 1435 switch (data->dcb.StopBits) {
067417af
ML		 1436 case ONESTOPBIT:
1437 config->stopbits = 1;
1438 break;
1439 case TWOSTOPBITS:
1440 config->stopbits = 2;
1441 break;
1442 default:
1443 config->stopbits = -1;
1444 }
1445
e33ab9aa 1446 switch (data->dcb.fRtsControl) {
eac329d2
UH		 1447 case RTS_CONTROL_DISABLE:
1448 config->rts = SP_RTS_OFF;
1449 break;
1450 case RTS_CONTROL_ENABLE:
1451 config->rts = SP_RTS_ON;
1452 break;
1453 case RTS_CONTROL_HANDSHAKE:
1454 config->rts = SP_RTS_FLOW_CONTROL;
1455 break;
1456 default:
1457 config->rts = -1;
067417af
ML		 1458 }
1459
e33ab9aa 1460 config->cts = data->dcb.fOutxCtsFlow ? SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE;
067417af 1461
e33ab9aa 1462 switch (data->dcb.fDtrControl) {
eac329d2
UH		 1463 case DTR_CONTROL_DISABLE:
1464 config->dtr = SP_DTR_OFF;
1465 break;
1466 case DTR_CONTROL_ENABLE:
1467 config->dtr = SP_DTR_ON;
1468 break;
1469 case DTR_CONTROL_HANDSHAKE:
1470 config->dtr = SP_DTR_FLOW_CONTROL;
1471 break;
1472 default:
1473 config->dtr = -1;
067417af
ML		 1474 }
1475
e33ab9aa
ML		 1476 config->dsr = data->dcb.fOutxDsrFlow ? SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE;
1477
c6754b45
ML		 1478 if (data->dcb.fInX) {
1479 if (data->dcb.fOutX)
1480 config->xon_xoff = SP_XONXOFF_INOUT;
1481 else
1482 config->xon_xoff = SP_XONXOFF_IN;
1483 } else {
1484 if (data->dcb.fOutX)
1485 config->xon_xoff = SP_XONXOFF_OUT;
1486 else
1487 config->xon_xoff = SP_XONXOFF_DISABLED;
1488 }
1489
e33ab9aa
ML		 1490#else // !_WIN32
1491
1492 if (tcgetattr(port->fd, &data->term) < 0)
c33efc48 1493 RETURN_FAIL("tcgetattr() failed");
e33ab9aa
ML		 1494
1495 if (ioctl(port->fd, TIOCMGET, &data->controlbits) < 0)
c33efc48 1496 RETURN_FAIL("TIOCMGET ioctl failed");
40978c2b
ML		 1497
1498#ifdef USE_TERMIOX
bd791fe1 1499 int ret = get_flow(port->fd, data);
68ec29db
ML		 1500
1501 if (ret == SP_ERR_FAIL && errno == EINVAL)
1502 data->termiox_supported = 0;
1503 else if (ret < 0)
c33efc48 1504 RETURN_CODEVAL(ret);
68ec29db
ML		 1505 else
1506 data->termiox_supported = 1;
1507#else
1508 data->termiox_supported = 0;
40978c2b
ML		 1509#endif
1510
067417af 1511 for (i = 0; i < NUM_STD_BAUDRATES; i++) {
e33ab9aa 1512 if (cfgetispeed(&data->term) == std_baudrates[i].index) {
067417af
ML		 1513 config->baudrate = std_baudrates[i].value;
1514 break;
1515 }
1516 }
1517
31b3a8f5
MH		 1518 if (i == NUM_STD_BAUDRATES) {
1519#ifdef __APPLE__
1520 config->baudrate = (int)data->term.c_ispeed;
5cea279a 1521#elif defined(USE_TERMIOS_SPEED)
7a6d2196 1522 TRY(get_baudrate(port->fd, &config->baudrate));
31b3a8f5 1523#else
067417af 1524 config->baudrate = -1;
31b3a8f5
MH		 1525#endif
1526 }
067417af 1527
e33ab9aa 1528 switch (data->term.c_cflag & CSIZE) {
067417af
ML		 1529 case CS8:
1530 config->bits = 8;
1531 break;
1532 case CS7:
1533 config->bits = 7;
1534 break;
1535 case CS6:
1536 config->bits = 6;
1537 break;
1538 case CS5:
1539 config->bits = 5;
1540 break;
1541 default:
1542 config->bits = -1;
1543 }
1544
e33ab9aa 1545 if (!(data->term.c_cflag & PARENB) && (data->term.c_iflag & IGNPAR))
067417af 1546 config->parity = SP_PARITY_NONE;
e33ab9aa 1547 else if (!(data->term.c_cflag & PARENB) || (data->term.c_iflag & IGNPAR))
067417af 1548 config->parity = -1;
c3e05092 1549#ifdef CMSPAR
e432ce60
ML		 1550 else if (data->term.c_cflag & CMSPAR)
1551 config->parity = (data->term.c_cflag & PARODD) ? SP_PARITY_MARK : SP_PARITY_SPACE;
c3e05092 1552#endif
067417af 1553 else
e33ab9aa 1554 config->parity = (data->term.c_cflag & PARODD) ? SP_PARITY_ODD : SP_PARITY_EVEN;
067417af 1555
e33ab9aa 1556 config->stopbits = (data->term.c_cflag & CSTOPB) ? 2 : 1;
067417af 1557
e33ab9aa 1558 if (data->term.c_cflag & CRTSCTS) {
067417af
ML		 1559 config->rts = SP_RTS_FLOW_CONTROL;
1560 config->cts = SP_CTS_FLOW_CONTROL;
1561 } else {
bd791fe1 1562 if (data->termiox_supported && data->rts_flow)
40978c2b
ML		 1563 config->rts = SP_RTS_FLOW_CONTROL;
1564 else
1565 config->rts = (data->controlbits & TIOCM_RTS) ? SP_RTS_ON : SP_RTS_OFF;
1566
bd791fe1 1567 config->cts = (data->termiox_supported && data->cts_flow) ?
68ec29db 1568 SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE;
067417af
ML		 1569 }
1570
bd791fe1 1571 if (data->termiox_supported && data->dtr_flow)
40978c2b
ML		 1572 config->dtr = SP_DTR_FLOW_CONTROL;
1573 else
1574 config->dtr = (data->controlbits & TIOCM_DTR) ? SP_DTR_ON : SP_DTR_OFF;
1575
bd791fe1 1576 config->dsr = (data->termiox_supported && data->dsr_flow) ?
68ec29db 1577 SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE;
705bdc69 1578
e29b93a5
ML		 1579 if (data->term.c_iflag & IXOFF) {
1580 if (data->term.c_iflag & IXON)
1581 config->xon_xoff = SP_XONXOFF_INOUT;
1582 else
1583 config->xon_xoff = SP_XONXOFF_IN;
1584 } else {
1585 if (data->term.c_iflag & IXON)
1586 config->xon_xoff = SP_XONXOFF_OUT;
1587 else
1588 config->xon_xoff = SP_XONXOFF_DISABLED;
1589 }
067417af
ML		 1590#endif
1591
c33efc48 1592 RETURN_OK();
067417af
ML		 1593}
1594
7a6d2196 1595static enum sp_return set_config(struct sp_port *port, struct port_data *data,
eb6ed20f 1596 const struct sp_port_config *config)
18fc2dd1 1597{
e33ab9aa 1598 unsigned int i;
31b3a8f5
MH		 1599#ifdef __APPLE__
1600 BAUD_TYPE baud_nonstd;
1601
1602 baud_nonstd = B0;
1603#endif
5cea279a 1604#ifdef USE_TERMIOS_SPEED
7a6d2196
ML		 1605 int baud_nonstd = 0;
1606#endif
18fc2dd1 1607
c33efc48
ML		 1608 TRACE("%p, %p, %p", port, data, config);
1609
7890cef6 1610 DEBUG_FMT("Setting configuration for port %s", port->name);
ea667be7 1611
e33ab9aa 1612#ifdef _WIN32
eac329d2 1613 if (config->baudrate >= 0) {
e33ab9aa
ML		 1614 for (i = 0; i < NUM_STD_BAUDRATES; i++) {
1615 if (config->baudrate == std_baudrates[i].value) {
1616 data->dcb.BaudRate = std_baudrates[i].index;
1617 break;
1618 }
1619 }
18fc2dd1 1620
e33ab9aa
ML		 1621 if (i == NUM_STD_BAUDRATES)
1622 data->dcb.BaudRate = config->baudrate;
1623 }
18fc2dd1 1624
e33ab9aa
ML		 1625 if (config->bits >= 0)
1626 data->dcb.ByteSize = config->bits;
1627
1628 if (config->parity >= 0) {
1629 switch (config->parity) {
e33ab9aa
ML		 1630 case SP_PARITY_NONE:
1631 data->dcb.Parity = NOPARITY;
1632 break;
e432ce60
ML		 1633 case SP_PARITY_ODD:
1634 data->dcb.Parity = ODDPARITY;
1635 break;
e33ab9aa
ML		 1636 case SP_PARITY_EVEN:
1637 data->dcb.Parity = EVENPARITY;
1638 break;
e432ce60
ML		 1639 case SP_PARITY_MARK:
1640 data->dcb.Parity = MARKPARITY;
1641 break;
1642 case SP_PARITY_SPACE:
1643 data->dcb.Parity = SPACEPARITY;
e33ab9aa
ML		 1644 break;
1645 default:
c33efc48 1646 RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting");
e33ab9aa 1647 }
18fc2dd1
ML		 1648 }
1649
e33ab9aa
ML		 1650 if (config->stopbits >= 0) {
1651 switch (config->stopbits) {
1652 /* Note: There's also ONE5STOPBITS == 1.5 (unneeded so far). */
1653 case 1:
1654 data->dcb.StopBits = ONESTOPBIT;
1655 break;
1656 case 2:
1657 data->dcb.StopBits = TWOSTOPBITS;
1658 break;
1659 default:
c33efc48 1660 RETURN_ERROR(SP_ERR_ARG, "Invalid stop bit setting");
e33ab9aa
ML		 1661 }
1662 }
1663
1664 if (config->rts >= 0) {
1665 switch (config->rts) {
1666 case SP_RTS_OFF:
1667 data->dcb.fRtsControl = RTS_CONTROL_DISABLE;
1668 break;
1669 case SP_RTS_ON:
1670 data->dcb.fRtsControl = RTS_CONTROL_ENABLE;
1671 break;
1672 case SP_RTS_FLOW_CONTROL:
1673 data->dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
1674 break;
1675 default:
c33efc48 1676 RETURN_ERROR(SP_ERR_ARG, "Invalid RTS setting");
e33ab9aa
ML		 1677 }
1678 }
1679
1680 if (config->cts >= 0) {
1681 switch (config->cts) {
1682 case SP_CTS_IGNORE:
1683 data->dcb.fOutxCtsFlow = FALSE;
1684 break;
1685 case SP_CTS_FLOW_CONTROL:
1686 data->dcb.fOutxCtsFlow = TRUE;
1687 break;
1688 default:
c33efc48 1689 RETURN_ERROR(SP_ERR_ARG, "Invalid CTS setting");
e33ab9aa
ML		 1690 }
1691 }
1692
1693 if (config->dtr >= 0) {
1694 switch (config->dtr) {
1695 case SP_DTR_OFF:
1696 data->dcb.fDtrControl = DTR_CONTROL_DISABLE;
1697 break;
1698 case SP_DTR_ON:
1699 data->dcb.fDtrControl = DTR_CONTROL_ENABLE;
1700 break;
1701 case SP_DTR_FLOW_CONTROL:
1702 data->dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
1703 break;
1704 default:
c33efc48 1705 RETURN_ERROR(SP_ERR_ARG, "Invalid DTR setting");
e33ab9aa
ML		 1706 }
1707 }
1708
1709 if (config->dsr >= 0) {
1710 switch (config->dsr) {
1711 case SP_DSR_IGNORE:
1712 data->dcb.fOutxDsrFlow = FALSE;
1713 break;
1714 case SP_DSR_FLOW_CONTROL:
1715 data->dcb.fOutxDsrFlow = TRUE;
1716 break;
1717 default:
c33efc48 1718 RETURN_ERROR(SP_ERR_ARG, "Invalid DSR setting");
e33ab9aa 1719 }
18fc2dd1
ML		 1720 }
1721
e33ab9aa
ML		 1722 if (config->xon_xoff >= 0) {
1723 switch (config->xon_xoff) {
1724 case SP_XONXOFF_DISABLED:
1725 data->dcb.fInX = FALSE;
1726 data->dcb.fOutX = FALSE;
1727 break;
1728 case SP_XONXOFF_IN:
1729 data->dcb.fInX = TRUE;
1730 data->dcb.fOutX = FALSE;
1731 break;
1732 case SP_XONXOFF_OUT:
1733 data->dcb.fInX = FALSE;
1734 data->dcb.fOutX = TRUE;
1735 break;
1736 case SP_XONXOFF_INOUT:
1737 data->dcb.fInX = TRUE;
1738 data->dcb.fOutX = TRUE;
1739 break;
1740 default:
c33efc48 1741 RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting");
e33ab9aa
ML		 1742 }
1743 }
1744
1745 if (!SetCommState(port->hdl, &data->dcb))
c33efc48 1746 RETURN_FAIL("SetCommState() failed");
e33ab9aa 1747
31b3a8f5 1748#else /* !_WIN32 */
e33ab9aa 1749
7a6d2196
ML		 1750 int controlbits;
1751
eac329d2 1752 if (config->baudrate >= 0) {
e33ab9aa
ML		 1753 for (i = 0; i < NUM_STD_BAUDRATES; i++) {
1754 if (config->baudrate == std_baudrates[i].value) {
1755 if (cfsetospeed(&data->term, std_baudrates[i].index) < 0)
c33efc48 1756 RETURN_FAIL("cfsetospeed() failed");
e33ab9aa
ML		 1757
1758 if (cfsetispeed(&data->term, std_baudrates[i].index) < 0)
c33efc48 1759 RETURN_FAIL("cfsetispeed() failed");
e33ab9aa
ML		 1760 break;
1761 }
1762 }
1763
31b3a8f5
MH		 1764 /* Non-standard baud rate */
1765 if (i == NUM_STD_BAUDRATES) {
1766#ifdef __APPLE__
24abdb68 1767 /* Set "dummy" baud rate. */
31b3a8f5 1768 if (cfsetspeed(&data->term, B9600) < 0)
c33efc48 1769 RETURN_FAIL("cfsetspeed() failed");
31b3a8f5 1770 baud_nonstd = config->baudrate;
5cea279a 1771#elif defined(USE_TERMIOS_SPEED)
7a6d2196 1772 baud_nonstd = 1;
31b3a8f5 1773#else
c33efc48 1774 RETURN_ERROR(SP_ERR_SUPP, "Non-standard baudrate not supported");
31b3a8f5
MH		 1775#endif
1776 }
e33ab9aa
ML		 1777 }
1778
1779 if (config->bits >= 0) {
1780 data->term.c_cflag &= ~CSIZE;
1781 switch (config->bits) {
1782 case 8:
1783 data->term.c_cflag |= CS8;
1784 break;
1785 case 7:
1786 data->term.c_cflag |= CS7;
1787 break;
1788 case 6:
1789 data->term.c_cflag |= CS6;
1790 break;
23922313
UH		 1791 case 5:
1792 data->term.c_cflag |= CS5;
1793 break;
e33ab9aa 1794 default:
c33efc48 1795 RETURN_ERROR(SP_ERR_ARG, "Invalid data bits setting");
e33ab9aa
ML		 1796 }
1797 }
1798
1799 if (config->parity >= 0) {
1800 data->term.c_iflag &= ~IGNPAR;
c3e05092
UH		 1801 data->term.c_cflag &= ~(PARENB | PARODD);
1802#ifdef CMSPAR
1803 data->term.c_cflag &= ~CMSPAR;
1804#endif
e33ab9aa
ML		 1805 switch (config->parity) {
1806 case SP_PARITY_NONE:
1807 data->term.c_iflag |= IGNPAR;
1808 break;
1809 case SP_PARITY_EVEN:
1810 data->term.c_cflag |= PARENB;
1811 break;
1812 case SP_PARITY_ODD:
1813 data->term.c_cflag |= PARENB | PARODD;
1814 break;
afb518f0 1815#ifdef CMSPAR
e432ce60 1816 case SP_PARITY_MARK:
c3e05092 1817 data->term.c_cflag |= PARENB | PARODD;
c3e05092 1818 data->term.c_cflag |= CMSPAR;
e432ce60
ML		 1819 break;
1820 case SP_PARITY_SPACE:
c3e05092 1821 data->term.c_cflag |= PARENB;
c3e05092 1822 data->term.c_cflag |= CMSPAR;
e432ce60 1823 break;
afb518f0
ML		 1824#else
1825 case SP_PARITY_MARK:
1826 case SP_PARITY_SPACE:
1827 RETURN_ERROR(SP_ERR_SUPP, "Mark/space parity not supported");
1828#endif
e33ab9aa 1829 default:
c33efc48 1830 RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting");
e33ab9aa
ML		 1831 }
1832 }
1833
1834 if (config->stopbits >= 0) {
1835 data->term.c_cflag &= ~CSTOPB;
1836 switch (config->stopbits) {
1837 case 1:
1838 data->term.c_cflag &= ~CSTOPB;
1839 break;
1840 case 2:
1841 data->term.c_cflag |= CSTOPB;
1842 break;
1843 default:
c33efc48 1844 RETURN_ERROR(SP_ERR_ARG, "Invalid stop bits setting");
e33ab9aa
ML		 1845 }
1846 }
1847
eac329d2 1848 if (config->rts >= 0 || config->cts >= 0) {
68ec29db 1849 if (data->termiox_supported) {
bd791fe1 1850 data->rts_flow = data->cts_flow = 0;
68ec29db
ML		 1851 switch (config->rts) {
1852 case SP_RTS_OFF:
1853 case SP_RTS_ON:
1854 controlbits = TIOCM_RTS;
1855 if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0)
c33efc48 1856 RETURN_FAIL("Setting RTS signal level failed");
68ec29db
ML		 1857 break;
1858 case SP_RTS_FLOW_CONTROL:
bd791fe1 1859 data->rts_flow = 1;
68ec29db
ML		 1860 break;
1861 default:
1862 break;
e33ab9aa 1863 }
68ec29db 1864 if (config->cts == SP_CTS_FLOW_CONTROL)
bd791fe1 1865 data->cts_flow = 1;
e33ab9aa 1866
bd791fe1 1867 if (data->rts_flow && data->cts_flow)
e33ab9aa 1868 data->term.c_iflag |= CRTSCTS;
68ec29db
ML		 1869 else
1870 data->term.c_iflag &= ~CRTSCTS;
1871 } else {
1872 /* Asymmetric use of RTS/CTS not supported. */
1873 if (data->term.c_iflag & CRTSCTS) {
1874 /* Flow control can only be disabled for both RTS & CTS together. */
1875 if (config->rts >= 0 && config->rts != SP_RTS_FLOW_CONTROL) {
1876 if (config->cts != SP_CTS_IGNORE)
c33efc48 1877 RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together");
68ec29db
ML		 1878 }
1879 if (config->cts >= 0 && config->cts != SP_CTS_FLOW_CONTROL) {
1880 if (config->rts <= 0 || config->rts == SP_RTS_FLOW_CONTROL)
c33efc48 1881 RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together");
68ec29db 1882 }
e33ab9aa 1883 } else {
68ec29db
ML		 1884 /* Flow control can only be enabled for both RTS & CTS together. */
1885 if (((config->rts == SP_RTS_FLOW_CONTROL) && (config->cts != SP_CTS_FLOW_CONTROL)) ||
1886 ((config->cts == SP_CTS_FLOW_CONTROL) && (config->rts != SP_RTS_FLOW_CONTROL)))
c33efc48 1887 RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be enabled together");
68ec29db
ML		 1888 }
1889
1890 if (config->rts >= 0) {
1891 if (config->rts == SP_RTS_FLOW_CONTROL) {
1892 data->term.c_iflag |= CRTSCTS;
1893 } else {
1894 controlbits = TIOCM_RTS;
1895 if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC,
1896 &controlbits) < 0)
c33efc48 1897 RETURN_FAIL("Setting RTS signal level failed");
68ec29db 1898 }
e33ab9aa
ML		 1899 }
1900 }
1901 }
1902
eac329d2 1903 if (config->dtr >= 0 || config->dsr >= 0) {
68ec29db 1904 if (data->termiox_supported) {
bd791fe1 1905 data->dtr_flow = data->dsr_flow = 0;
68ec29db
ML		 1906 switch (config->dtr) {
1907 case SP_DTR_OFF:
1908 case SP_DTR_ON:
1909 controlbits = TIOCM_DTR;
1910 if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0)
c33efc48 1911 RETURN_FAIL("Setting DTR signal level failed");
68ec29db
ML		 1912 break;
1913 case SP_DTR_FLOW_CONTROL:
bd791fe1 1914 data->dtr_flow = 1;
68ec29db
ML		 1915 break;
1916 default:
1917 break;
1918 }
1919 if (config->dsr == SP_DSR_FLOW_CONTROL)
bd791fe1 1920 data->dsr_flow = 1;
68ec29db
ML		 1921 } else {
1922 /* DTR/DSR flow control not supported. */
1923 if (config->dtr == SP_DTR_FLOW_CONTROL || config->dsr == SP_DSR_FLOW_CONTROL)
c33efc48 1924 RETURN_ERROR(SP_ERR_SUPP, "DTR/DSR flow control not supported");
e33ab9aa 1925
68ec29db
ML		 1926 if (config->dtr >= 0) {
1927 controlbits = TIOCM_DTR;
1928 if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC,
1929 &controlbits) < 0)
c33efc48 1930 RETURN_FAIL("Setting DTR signal level failed");
68ec29db 1931 }
e33ab9aa
ML		 1932 }
1933 }
1934
1935 if (config->xon_xoff >= 0) {
1936 data->term.c_iflag &= ~(IXON | IXOFF | IXANY);
1937 switch (config->xon_xoff) {
1938 case SP_XONXOFF_DISABLED:
1939 break;
1940 case SP_XONXOFF_IN:
1941 data->term.c_iflag |= IXOFF;
1942 break;
1943 case SP_XONXOFF_OUT:
1944 data->term.c_iflag |= IXON | IXANY;
1945 break;
1946 case SP_XONXOFF_INOUT:
1947 data->term.c_iflag |= IXON | IXOFF | IXANY;
1948 break;
1949 default:
c33efc48 1950 RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting");
e33ab9aa
ML		 1951 }
1952 }
1953
3f5c06d0 1954 if (tcsetattr(port->fd, TCSANOW, &data->term) < 0)
c33efc48 1955 RETURN_FAIL("tcsetattr() failed");
31b3a8f5
MH		 1956
1957#ifdef __APPLE__
1958 if (baud_nonstd != B0) {
1959 if (ioctl(port->fd, IOSSIOSPEED, &baud_nonstd) == -1)
c33efc48 1960 RETURN_FAIL("IOSSIOSPEED ioctl failed");
31b3a8f5
MH		 1961 /* Set baud rates in data->term to correct, but incompatible
1962 * with tcsetattr() value, same as delivered by tcgetattr(). */
1963 if (cfsetspeed(&data->term, baud_nonstd) < 0)
c33efc48 1964 RETURN_FAIL("cfsetspeed() failed");
31b3a8f5 1965 }
7a6d2196 1966#elif defined(__linux__)
5cea279a 1967#ifdef USE_TERMIOS_SPEED
7a6d2196
ML		 1968 if (baud_nonstd)
1969 TRY(set_baudrate(port->fd, config->baudrate));
5cea279a 1970#endif
40978c2b 1971#ifdef USE_TERMIOX
68ec29db 1972 if (data->termiox_supported)
bd791fe1 1973 TRY(set_flow(port->fd, data));
40978c2b 1974#endif
7a6d2196 1975#endif
31b3a8f5
MH		 1976
1977#endif /* !_WIN32 */
e33ab9aa 1978
c33efc48 1979 RETURN_OK();
e33ab9aa
ML		 1980}
1981
970f279a 1982SP_API enum sp_return sp_new_config(struct sp_port_config **config_ptr)
9b1502ef 1983{
59131d60 1984 struct sp_port_config *config;
9b1502ef 1985
00d8c56d
UH		 1986 TRACE("%p", config_ptr);
1987
9b1502ef
ML		 1988 if (!config_ptr)
1989 RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
1990
59131d60
ML		 1991 *config_ptr = NULL;
1992
1993 if (!(config = malloc(sizeof(struct sp_port_config))))
9b1502ef
ML		 1994 RETURN_ERROR(SP_ERR_MEM, "config malloc failed");
1995
59131d60
ML		 1996 config->baudrate = -1;
1997 config->bits = -1;
1998 config->parity = -1;
1999 config->stopbits = -1;
2000 config->rts = -1;
2001 config->cts = -1;
2002 config->dtr = -1;
2003 config->dsr = -1;
2004
2005 *config_ptr = config;
2006
9b1502ef
ML		 2007 RETURN_OK();
2008}
2009
970f279a 2010SP_API void sp_free_config(struct sp_port_config *config)
9b1502ef
ML		 2011{
2012 TRACE("%p", config);
2013
2014 if (!config)
2015 DEBUG("Null config");
2016 else
2017 free(config);
2018
2019 RETURN();
2020}
2021
970f279a
AJ		 2022SP_API enum sp_return sp_get_config(struct sp_port *port,
2023 struct sp_port_config *config)
70cd37de
ML		 2024{
2025 struct port_data data;
2026
2027 TRACE("%p, %p", port, config);
2028
2029 CHECK_OPEN_PORT();
2030
2031 if (!config)
9b1502ef 2032 RETURN_ERROR(SP_ERR_ARG, "Null config");
70cd37de
ML		 2033
2034 TRY(get_config(port, &data, config));
2035
2036 RETURN_OK();
2037}
2038
970f279a
AJ		 2039SP_API enum sp_return sp_set_config(struct sp_port *port,
2040 const struct sp_port_config *config)
e33ab9aa 2041{
8f189c4c 2042 struct port_data data;
e33ab9aa
ML		 2043 struct sp_port_config prev_config;
2044
c33efc48
ML		 2045 TRACE("%p, %p", port, config);
2046
dec10e31 2047 CHECK_OPEN_PORT();
823690ae
ML		 2048
2049 if (!config)
c33efc48 2050 RETURN_ERROR(SP_ERR_ARG, "Null config");
823690ae 2051
e33ab9aa
ML		 2052 TRY(get_config(port, &data, &prev_config));
2053 TRY(set_config(port, &data, config));
74510d4b 2054
c33efc48 2055 RETURN_OK();
74510d4b
ML		 2056}
2057
9b1502ef 2058#define CREATE_ACCESSORS(x, type) \
970f279a 2059SP_API enum sp_return sp_set_##x(struct sp_port *port, type x) { \
8f189c4c 2060 struct port_data data; \
e33ab9aa 2061 struct sp_port_config config; \
c33efc48 2062 TRACE("%p, %d", port, x); \
dec10e31 2063 CHECK_OPEN_PORT(); \
e33ab9aa
ML		 2064 TRY(get_config(port, &data, &config)); \
2065 config.x = x; \
2066 TRY(set_config(port, &data, &config)); \
c33efc48 2067 RETURN_OK(); \
9b1502ef 2068} \
970f279a
AJ		 2069SP_API enum sp_return sp_get_config_##x(const struct sp_port_config *config, \
2070 type *x) { \
00d8c56d 2071 TRACE("%p, %p", config, x); \
9b1502ef
ML		 2072 if (!config) \
2073 RETURN_ERROR(SP_ERR_ARG, "Null config"); \
2074 *x = config->x; \
2075 RETURN_OK(); \
2076} \
970f279a
AJ		 2077SP_API enum sp_return sp_set_config_##x(struct sp_port_config *config, \
2078 type x) { \
9b1502ef
ML		 2079 TRACE("%p, %d", config, x); \
2080 if (!config) \
2081 RETURN_ERROR(SP_ERR_ARG, "Null config"); \
2082 config->x = x; \
2083 RETURN_OK(); \
9069c2fb
ML		 2084}
2085
9b1502ef
ML		 2086CREATE_ACCESSORS(baudrate, int)
2087CREATE_ACCESSORS(bits, int)
2088CREATE_ACCESSORS(parity, enum sp_parity)
2089CREATE_ACCESSORS(stopbits, int)
2090CREATE_ACCESSORS(rts, enum sp_rts)
2091CREATE_ACCESSORS(cts, enum sp_cts)
2092CREATE_ACCESSORS(dtr, enum sp_dtr)
2093CREATE_ACCESSORS(dsr, enum sp_dsr)
2094CREATE_ACCESSORS(xon_xoff, enum sp_xonxoff)
2095
970f279a
AJ		 2096SP_API enum sp_return sp_set_config_flowcontrol(struct sp_port_config *config,
2097 enum sp_flowcontrol flowcontrol)
e33ab9aa 2098{
9b1502ef
ML		 2099 if (!config)
2100 RETURN_ERROR(SP_ERR_ARG, "Null configuration");
dec10e31
ML		 2101
2102 if (flowcontrol > SP_FLOWCONTROL_DTRDSR)
2103 RETURN_ERROR(SP_ERR_ARG, "Invalid flow control setting");
823690ae 2104
e33ab9aa 2105 if (flowcontrol == SP_FLOWCONTROL_XONXOFF)
9b1502ef 2106 config->xon_xoff = SP_XONXOFF_INOUT;
e33ab9aa 2107 else
9b1502ef 2108 config->xon_xoff = SP_XONXOFF_DISABLED;
e33ab9aa
ML		 2109
2110 if (flowcontrol == SP_FLOWCONTROL_RTSCTS) {
9b1502ef
ML		 2111 config->rts = SP_RTS_FLOW_CONTROL;
2112 config->cts = SP_CTS_FLOW_CONTROL;
e33ab9aa 2113 } else {
9b1502ef
ML		 2114 if (config->rts == SP_RTS_FLOW_CONTROL)
2115 config->rts = SP_RTS_ON;
2116 config->cts = SP_CTS_IGNORE;
e33ab9aa
ML		 2117 }
2118
2119 if (flowcontrol == SP_FLOWCONTROL_DTRDSR) {
9b1502ef
ML		 2120 config->dtr = SP_DTR_FLOW_CONTROL;
2121 config->dsr = SP_DSR_FLOW_CONTROL;
e33ab9aa 2122 } else {
9b1502ef
ML		 2123 if (config->dtr == SP_DTR_FLOW_CONTROL)
2124 config->dtr = SP_DTR_ON;
2125 config->dsr = SP_DSR_IGNORE;
e33ab9aa
ML		 2126 }
2127
9b1502ef
ML		 2128 RETURN_OK();
2129}
2130
970f279a
AJ		 2131SP_API enum sp_return sp_set_flowcontrol(struct sp_port *port,
2132 enum sp_flowcontrol flowcontrol)
9b1502ef
ML		 2133{
2134 struct port_data data;
2135 struct sp_port_config config;
2136
2137 TRACE("%p, %d", port, flowcontrol);
2138
2139 CHECK_OPEN_PORT();
2140
2141 TRY(get_config(port, &data, &config));
2142
2143 TRY(sp_set_config_flowcontrol(&config, flowcontrol));
2144
e33ab9aa
ML		 2145 TRY(set_config(port, &data, &config));
2146
c33efc48 2147 RETURN_OK();
e33ab9aa
ML		 2148}
2149
970f279a
AJ		 2150SP_API enum sp_return sp_get_signals(struct sp_port *port,
2151 enum sp_signal *signals)
8cf7c697 2152{
c33efc48
ML		 2153 TRACE("%p, %p", port, signals);
2154
dec10e31 2155 CHECK_OPEN_PORT();
8cf7c697
ML		 2156
2157 if (!signals)
c33efc48 2158 RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
8cf7c697 2159
7890cef6 2160 DEBUG_FMT("Getting control signals for port %s", port->name);
ea667be7 2161
8cf7c697
ML		 2162 *signals = 0;
2163#ifdef _WIN32
2164 DWORD bits;
2165 if (GetCommModemStatus(port->hdl, &bits) == 0)
c33efc48 2166 RETURN_FAIL("GetCommModemStatus() failed");
8cf7c697
ML		 2167 if (bits & MS_CTS_ON)
2168 *signals |= SP_SIG_CTS;
2169 if (bits & MS_DSR_ON)
2170 *signals |= SP_SIG_DSR;
8cf7c697 2171 if (bits & MS_RLSD_ON)
a6cda1e8
ML		 2172 *signals |= SP_SIG_DCD;
2173 if (bits & MS_RING_ON)
8cf7c697
ML		 2174 *signals |= SP_SIG_RI;
2175#else
2176 int bits;
2177 if (ioctl(port->fd, TIOCMGET, &bits) < 0)
c33efc48 2178 RETURN_FAIL("TIOCMGET ioctl failed");
8cf7c697
ML		 2179 if (bits & TIOCM_CTS)
2180 *signals |= SP_SIG_CTS;
2181 if (bits & TIOCM_DSR)
2182 *signals |= SP_SIG_DSR;
2183 if (bits & TIOCM_CAR)
2184 *signals |= SP_SIG_DCD;
2185 if (bits & TIOCM_RNG)
2186 *signals |= SP_SIG_RI;
2187#endif
c33efc48 2188 RETURN_OK();
8cf7c697
ML		 2189}
2190
970f279a 2191SP_API enum sp_return sp_start_break(struct sp_port *port)
90cc3ee6 2192{
c33efc48
ML		 2193 TRACE("%p", port);
2194
dec10e31 2195 CHECK_OPEN_PORT();
90cc3ee6
ML		 2196#ifdef _WIN32
2197 if (SetCommBreak(port->hdl) == 0)
c33efc48 2198 RETURN_FAIL("SetCommBreak() failed");
90cc3ee6
ML		 2199#else
2200 if (ioctl(port->fd, TIOCSBRK, 1) < 0)
c33efc48 2201 RETURN_FAIL("TIOCSBRK ioctl failed");
90cc3ee6
ML		 2202#endif
2203
c33efc48 2204 RETURN_OK();
90cc3ee6
ML		 2205}
2206
970f279a 2207SP_API enum sp_return sp_end_break(struct sp_port *port)
90cc3ee6 2208{
c33efc48
ML		 2209 TRACE("%p", port);
2210
dec10e31 2211 CHECK_OPEN_PORT();
90cc3ee6
ML		 2212#ifdef _WIN32
2213 if (ClearCommBreak(port->hdl) == 0)
c33efc48 2214 RETURN_FAIL("ClearCommBreak() failed");
90cc3ee6
ML		 2215#else
2216 if (ioctl(port->fd, TIOCCBRK, 1) < 0)
c33efc48 2217 RETURN_FAIL("TIOCCBRK ioctl failed");
90cc3ee6
ML		 2218#endif
2219
c33efc48 2220 RETURN_OK();
90cc3ee6
ML		 2221}
2222
970f279a 2223SP_API int sp_last_error_code(void)
74510d4b 2224{
7890cef6 2225 TRACE_VOID();
74510d4b 2226#ifdef _WIN32
9caa2e86 2227 RETURN_INT(GetLastError());
74510d4b 2228#else
9caa2e86 2229 RETURN_INT(errno);
74510d4b
ML		 2230#endif
2231}
2232
970f279a 2233SP_API char *sp_last_error_message(void)
74510d4b 2234{
7890cef6 2235 TRACE_VOID();
c33efc48 2236
74510d4b
ML		 2237#ifdef _WIN32
2238 LPVOID message;
2239 DWORD error = GetLastError();
2240
2241 FormatMessage(
2242 FORMAT_MESSAGE_ALLOCATE_BUFFER |
2243 FORMAT_MESSAGE_FROM_SYSTEM |
2244 FORMAT_MESSAGE_IGNORE_INSERTS,
2245 NULL,
2246 error,
2247 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
2248 (LPTSTR) &message,
2249 0, NULL );
2250
9caa2e86 2251 RETURN_STRING(message);
74510d4b 2252#else
9caa2e86 2253 RETURN_STRING(strerror(errno));
74510d4b
ML		 2254#endif
2255}
2256
970f279a 2257SP_API void sp_free_error_message(char *message)
74510d4b 2258{
c33efc48
ML		 2259 TRACE("%s", message);
2260
74510d4b
ML		 2261#ifdef _WIN32
2262 LocalFree(message);
64eec30d
ML		 2263#else
2264 (void)message;
74510d4b 2265#endif
c33efc48
ML		 2266
2267 RETURN();
74510d4b 2268}
863b35e6 2269
970f279a 2270SP_API void sp_set_debug_handler(void (*handler)(const char *format, ...))
863b35e6 2271{
c33efc48
ML		 2272 TRACE("%p", handler);
2273
863b35e6 2274 sp_debug_handler = handler;
c33efc48
ML		 2275
2276 RETURN();
863b35e6
ML		 2277}
2278
970f279a 2279SP_API void sp_default_debug_handler(const char *format, ...)
863b35e6
ML		 2280{
2281 va_list args;
2282 va_start(args, format);
2283 if (getenv("LIBSERIALPORT_DEBUG")) {
dd7742fb 2284 fputs("sp: ", stderr);
863b35e6
ML		 2285 vfprintf(stderr, format, args);
2286 }
2287 va_end(args);
2288}
524b0e14 2289
970f279a 2290SP_API int sp_get_major_package_version(void)
524b0e14
UH		 2291{
2292 return SP_PACKAGE_VERSION_MAJOR;
2293}
2294
970f279a 2295SP_API int sp_get_minor_package_version(void)
524b0e14
UH		 2296{
2297 return SP_PACKAGE_VERSION_MINOR;
2298}
2299
970f279a 2300SP_API int sp_get_micro_package_version(void)
524b0e14
UH		 2301{
2302 return SP_PACKAGE_VERSION_MICRO;
2303}
2304
970f279a 2305SP_API const char *sp_get_package_version_string(void)
524b0e14
UH		 2306{
2307 return SP_PACKAGE_VERSION_STRING;
2308}
2309
970f279a 2310SP_API int sp_get_current_lib_version(void)
524b0e14
UH		 2311{
2312 return SP_LIB_VERSION_CURRENT;
2313}
2314
970f279a 2315SP_API int sp_get_revision_lib_version(void)
524b0e14
UH		 2316{
2317 return SP_LIB_VERSION_REVISION;
2318}
2319
970f279a 2320SP_API int sp_get_age_lib_version(void)
524b0e14
UH		 2321{
2322 return SP_LIB_VERSION_AGE;
2323}
2324
970f279a 2325SP_API const char *sp_get_lib_version_string(void)
524b0e14
UH		 2326{
2327 return SP_LIB_VERSION_STRING;
2328}
2329
2330/** @} */
Serial port access library