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