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7b9d7320 DJ |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "libsigrok.h" | |
21 | #include "libsigrok-internal.h" | |
22 | ||
23 | #include <glib.h> | |
24 | #include <string.h> | |
25 | ||
26 | /* Message logging helpers with subsystem-specific prefix string. */ | |
27 | #define LOG_PREFIX "scpi: " | |
28 | #define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args) | |
29 | #define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args) | |
30 | #define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args) | |
31 | #define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args) | |
32 | #define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args) | |
33 | ||
34 | #define SCPI_READ_RETRIES 100 | |
35 | #define SCPI_READ_RETRY_TIMEOUT 10000 | |
36 | ||
aa1e3b40 DJ |
37 | /** |
38 | * Parse a string representation of a boolean-like value into a gboolean. | |
39 | * Similar to sr_parse_boolstring but rejects strings which do not represent | |
40 | * a boolean-like value. | |
41 | * | |
42 | * @param str String to convert. | |
43 | * @param ret Pointer to a gboolean where the result of the conversion will be | |
44 | * stored. | |
45 | * | |
46 | * @return SR_OK on success, SR_ERR on failure. | |
47 | */ | |
d5976d8b | 48 | static int parse_strict_bool(const char *str, gboolean *ret) |
aa1e3b40 DJ |
49 | { |
50 | if (!str) | |
51 | return SR_ERR_ARG; | |
52 | ||
53 | if (!g_strcmp0(str, "1") || | |
54 | !g_ascii_strncasecmp(str, "y", 1) || | |
55 | !g_ascii_strncasecmp(str, "t", 1) || | |
56 | !g_ascii_strncasecmp(str, "yes", 3) || | |
57 | !g_ascii_strncasecmp(str, "true", 4) || | |
58 | !g_ascii_strncasecmp(str, "on", 2)) { | |
aa1e3b40 DJ |
59 | *ret = TRUE; |
60 | return SR_OK; | |
aa1e3b40 DJ |
61 | } else if (!g_strcmp0(str, "0") || |
62 | !g_ascii_strncasecmp(str, "n", 1) || | |
63 | !g_ascii_strncasecmp(str, "f", 1) || | |
64 | !g_ascii_strncasecmp(str, "no", 2) || | |
65 | !g_ascii_strncasecmp(str, "false", 5) || | |
66 | !g_ascii_strncasecmp(str, "off", 3)) { | |
aa1e3b40 DJ |
67 | *ret = FALSE; |
68 | return SR_OK; | |
69 | } | |
70 | ||
71 | return SR_ERR; | |
72 | } | |
73 | ||
23f43dff ML |
74 | /** |
75 | * Open SCPI device. | |
76 | * | |
77 | * @param scpi Previously initialized SCPI device structure. | |
78 | * | |
79 | * @return SR_OK on success, SR_ERR on failure. | |
80 | */ | |
81 | SR_PRIV int sr_scpi_open(struct sr_scpi_dev_inst *scpi) | |
82 | { | |
83 | return scpi->open(scpi->priv); | |
84 | } | |
85 | ||
86 | /** | |
87 | * Add an event source for an SCPI device. | |
88 | * | |
89 | * @param scpi Previously initialized SCPI device structure. | |
90 | * @param events Events to check for. | |
91 | * @param timeout Max time to wait before the callback is called, ignored if 0. | |
92 | * @param cb Callback function to add. Must not be NULL. | |
93 | * @param cb_data Data for the callback function. Can be NULL. | |
94 | * | |
95 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
96 | * SR_ERR_MALLOC upon memory allocation errors. | |
97 | */ | |
98 | SR_PRIV int sr_scpi_source_add(struct sr_scpi_dev_inst *scpi, int events, | |
99 | int timeout, sr_receive_data_callback_t cb, void *cb_data) | |
100 | { | |
101 | return scpi->source_add(scpi->priv, events, timeout, cb, cb_data); | |
102 | } | |
103 | ||
104 | /** | |
105 | * Remove event source for an SCPI device. | |
106 | * | |
107 | * @param scpi Previously initialized SCPI device structure. | |
108 | * | |
109 | * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or | |
110 | * SR_ERR_MALLOC upon memory allocation errors, SR_ERR_BUG upon | |
111 | * internal errors. | |
112 | */ | |
113 | SR_PRIV int sr_scpi_source_remove(struct sr_scpi_dev_inst *scpi) | |
114 | { | |
115 | return scpi->source_remove(scpi->priv); | |
116 | } | |
117 | ||
7b9d7320 DJ |
118 | /** |
119 | * Send a SCPI command. | |
120 | * | |
23f43dff | 121 | * @param scpi Previously initialized SCPI device structure. |
7b9d7320 DJ |
122 | * @param command The SCPI command to send to the device. |
123 | * | |
124 | * @return SR_OK on success, SR_ERR on failure. | |
125 | */ | |
23f43dff | 126 | SR_PRIV int sr_scpi_send(struct sr_scpi_dev_inst *scpi, |
7b9d7320 DJ |
127 | const char *command) |
128 | { | |
23f43dff ML |
129 | return scpi->send(scpi->priv, command); |
130 | } | |
7b9d7320 | 131 | |
23f43dff ML |
132 | /** |
133 | * Receive an SCPI reply and store the reply in scpi_response. | |
134 | * | |
135 | * @param scpi Previously initialised SCPI device structure. | |
136 | * @param scpi_response Pointer where to store the SCPI response. | |
137 | * | |
138 | * @return SR_OK upon fetching a full SCPI response, SR_ERR upon fetching an | |
139 | * incomplete or no response. The allocated response must be freed by | |
140 | * the caller in the case of a full response as well in the case of | |
141 | * an incomplete. | |
142 | */ | |
143 | SR_PRIV int sr_scpi_receive(struct sr_scpi_dev_inst *scpi, | |
144 | char **scpi_response) | |
145 | { | |
146 | return scpi->receive(scpi->priv, scpi_response); | |
147 | } | |
7b9d7320 | 148 | |
a1ff9c18 ML |
149 | /** |
150 | * Read part of a response from SCPI device. | |
151 | * | |
152 | * @param scpi Previously initialised SCPI device structure. | |
153 | * @param buf Buffer to store result. | |
154 | * @param maxlen Maximum number of bytes to read. | |
155 | * | |
156 | * @return Number of bytes read, or SR_ERR upon failure. | |
157 | */ | |
158 | SR_PRIV int sr_scpi_read(struct sr_scpi_dev_inst *scpi, | |
159 | char *buf, int maxlen) | |
160 | { | |
161 | return scpi->read(scpi->priv, buf, maxlen); | |
162 | } | |
163 | ||
23f43dff ML |
164 | /** |
165 | * Close SCPI device. | |
166 | * | |
167 | * @param scpi Previously initialized SCPI device structure. | |
168 | * | |
169 | * @return SR_OK on success, SR_ERR on failure. | |
170 | */ | |
171 | SR_PRIV int sr_scpi_close(struct sr_scpi_dev_inst *scpi) | |
172 | { | |
173 | return scpi->close(scpi->priv); | |
174 | } | |
7b9d7320 | 175 | |
23f43dff ML |
176 | /** |
177 | * Free SCPI device. | |
178 | * | |
179 | * @param scpi Previously initialized SCPI device structure. | |
180 | * | |
181 | * @return SR_OK on success, SR_ERR on failure. | |
182 | */ | |
183 | SR_PRIV void sr_scpi_free(struct sr_scpi_dev_inst *scpi) | |
184 | { | |
185 | scpi->free(scpi->priv); | |
186 | g_free(scpi); | |
7b9d7320 DJ |
187 | } |
188 | ||
189 | /** | |
190 | * Send a SCPI command, receive the reply and store the reply in scpi_response. | |
191 | * | |
23f43dff | 192 | * @param scpi Previously initialised SCPI device structure. |
7b9d7320 | 193 | * @param command The SCPI command to send to the device (can be NULL). |
d5976d8b | 194 | * @param scpi_response Pointer where to store the SCPI response. |
7b9d7320 | 195 | * |
d5976d8b UH |
196 | * @return SR_OK upon fetching a full SCPI response, SR_ERR upon fetching an |
197 | * incomplete or no response. The allocated response must be freed by | |
198 | * the caller in the case of a full response as well in the case of | |
199 | * an incomplete. | |
7b9d7320 | 200 | */ |
23f43dff | 201 | SR_PRIV int sr_scpi_get_string(struct sr_scpi_dev_inst *scpi, |
d5976d8b | 202 | const char *command, char **scpi_response) |
7b9d7320 | 203 | { |
7b9d7320 | 204 | if (command) |
23f43dff | 205 | if (sr_scpi_send(scpi, command) != SR_OK) |
7b9d7320 DJ |
206 | return SR_ERR; |
207 | ||
23f43dff | 208 | return sr_scpi_receive(scpi, scpi_response); |
d730f70e DJ |
209 | } |
210 | ||
211 | /** | |
212 | * Send a SCPI command, read the reply, parse it as a bool value and store the | |
213 | * result in scpi_response. | |
214 | * | |
23f43dff | 215 | * @param scpi Previously initialised SCPI device structure. |
d730f70e DJ |
216 | * @param command The SCPI command to send to the device (can be NULL). |
217 | * @param scpi_response Pointer where to store the parsed result. | |
218 | * | |
219 | * @return SR_OK on success, SR_ERR on failure. | |
220 | */ | |
23f43dff | 221 | SR_PRIV int sr_scpi_get_bool(struct sr_scpi_dev_inst *scpi, |
d730f70e DJ |
222 | const char *command, gboolean *scpi_response) |
223 | { | |
224 | int ret; | |
225 | char *response; | |
226 | ||
227 | response = NULL; | |
228 | ||
23f43dff | 229 | if (sr_scpi_get_string(scpi, command, &response) != SR_OK) |
d730f70e DJ |
230 | if (!response) |
231 | return SR_ERR; | |
232 | ||
d5976d8b | 233 | if (parse_strict_bool(response, scpi_response) == SR_OK) |
d730f70e DJ |
234 | ret = SR_OK; |
235 | else | |
236 | ret = SR_ERR; | |
237 | ||
238 | g_free(response); | |
239 | ||
240 | return ret; | |
241 | } | |
242 | ||
243 | /** | |
244 | * Send a SCPI command, read the reply, parse it as an integer and store the | |
245 | * result in scpi_response. | |
246 | * | |
23f43dff | 247 | * @param scpi Previously initialised SCPI device structure. |
d730f70e DJ |
248 | * @param command The SCPI command to send to the device (can be NULL). |
249 | * @param scpi_response Pointer where to store the parsed result. | |
250 | * | |
251 | * @return SR_OK on success, SR_ERR on failure. | |
252 | */ | |
23f43dff | 253 | SR_PRIV int sr_scpi_get_int(struct sr_scpi_dev_inst *scpi, |
d5976d8b | 254 | const char *command, int *scpi_response) |
d730f70e DJ |
255 | { |
256 | int ret; | |
257 | char *response; | |
258 | ||
259 | response = NULL; | |
260 | ||
23f43dff | 261 | if (sr_scpi_get_string(scpi, command, &response) != SR_OK) |
d730f70e DJ |
262 | if (!response) |
263 | return SR_ERR; | |
264 | ||
265 | if (sr_atoi(response, scpi_response) == SR_OK) | |
266 | ret = SR_OK; | |
267 | else | |
268 | ret = SR_ERR; | |
269 | ||
270 | g_free(response); | |
271 | ||
272 | return ret; | |
273 | } | |
274 | ||
275 | /** | |
276 | * Send a SCPI command, read the reply, parse it as a float and store the | |
277 | * result in scpi_response. | |
278 | * | |
23f43dff | 279 | * @param scpi Previously initialised SCPI device structure. |
d730f70e DJ |
280 | * @param command The SCPI command to send to the device (can be NULL). |
281 | * @param scpi_response Pointer where to store the parsed result. | |
282 | * | |
283 | * @return SR_OK on success, SR_ERR on failure. | |
284 | */ | |
23f43dff | 285 | SR_PRIV int sr_scpi_get_float(struct sr_scpi_dev_inst *scpi, |
d730f70e DJ |
286 | const char *command, float *scpi_response) |
287 | { | |
288 | int ret; | |
289 | char *response; | |
290 | ||
291 | response = NULL; | |
292 | ||
23f43dff | 293 | if (sr_scpi_get_string(scpi, command, &response) != SR_OK) |
d730f70e DJ |
294 | if (!response) |
295 | return SR_ERR; | |
296 | ||
297 | if (sr_atof(response, scpi_response) == SR_OK) | |
298 | ret = SR_OK; | |
299 | else | |
300 | ret = SR_ERR; | |
301 | ||
302 | g_free(response); | |
303 | ||
304 | return ret; | |
305 | } | |
306 | ||
307 | /** | |
308 | * Send a SCPI command, read the reply, parse it as a double and store the | |
309 | * result in scpi_response. | |
310 | * | |
23f43dff | 311 | * @param scpi Previously initialised SCPI device structure. |
d730f70e DJ |
312 | * @param command The SCPI command to send to the device (can be NULL). |
313 | * @param scpi_response Pointer where to store the parsed result. | |
314 | * | |
315 | * @return SR_OK on success, SR_ERR on failure. | |
316 | */ | |
23f43dff | 317 | SR_PRIV int sr_scpi_get_double(struct sr_scpi_dev_inst *scpi, |
d5976d8b | 318 | const char *command, double *scpi_response) |
d730f70e DJ |
319 | { |
320 | int ret; | |
321 | char *response; | |
322 | ||
323 | response = NULL; | |
324 | ||
23f43dff | 325 | if (sr_scpi_get_string(scpi, command, &response) != SR_OK) |
d730f70e DJ |
326 | if (!response) |
327 | return SR_ERR; | |
328 | ||
329 | if (sr_atod(response, scpi_response) == SR_OK) | |
330 | ret = SR_OK; | |
331 | else | |
332 | ret = SR_ERR; | |
333 | ||
334 | g_free(response); | |
335 | ||
7b9d7320 DJ |
336 | return ret; |
337 | } | |
338 | ||
f5922ade DJ |
339 | /** |
340 | * Send a SCPI *OPC? command, read the reply and return the result of the | |
341 | * command. | |
342 | * | |
23f43dff | 343 | * @param scpi Previously initialised SCPI device structure. |
f5922ade DJ |
344 | * |
345 | * @return SR_OK on success, SR_ERR on failure. | |
346 | */ | |
23f43dff | 347 | SR_PRIV int sr_scpi_get_opc(struct sr_scpi_dev_inst *scpi) |
f5922ade DJ |
348 | { |
349 | unsigned int i; | |
350 | gboolean opc; | |
351 | ||
352 | for (i = 0; i < SCPI_READ_RETRIES; ++i) { | |
23f43dff | 353 | sr_scpi_get_bool(scpi, SCPI_CMD_OPC, &opc); |
f5922ade DJ |
354 | if (opc) |
355 | return SR_OK; | |
f5922ade DJ |
356 | g_usleep(SCPI_READ_RETRY_TIMEOUT); |
357 | } | |
358 | ||
359 | return SR_ERR; | |
360 | } | |
361 | ||
8acbb89a DJ |
362 | /** |
363 | * Send a SCPI command, read the reply, parse it as comma separated list of | |
364 | * floats and store the as an result in scpi_response. | |
365 | * | |
23f43dff | 366 | * @param scpi Previously initialised SCPI device structure. |
8acbb89a DJ |
367 | * @param command The SCPI command to send to the device (can be NULL). |
368 | * @param scpi_response Pointer where to store the parsed result. | |
369 | * | |
370 | * @return SR_OK upon successfully parsing all values, SR_ERR upon a parsing | |
d5976d8b UH |
371 | * error or upon no response. The allocated response must be freed by |
372 | * the caller in the case of an SR_OK as well as in the case of | |
373 | * parsing error. | |
8acbb89a | 374 | */ |
23f43dff | 375 | SR_PRIV int sr_scpi_get_floatv(struct sr_scpi_dev_inst *scpi, |
d5976d8b | 376 | const char *command, GArray **scpi_response) |
8acbb89a DJ |
377 | { |
378 | int ret; | |
379 | float tmp; | |
380 | char *response; | |
d5976d8b | 381 | gchar **ptr, **tokens; |
8acbb89a DJ |
382 | GArray *response_array; |
383 | ||
384 | ret = SR_OK; | |
385 | response = NULL; | |
386 | tokens = NULL; | |
387 | ||
23f43dff | 388 | if (sr_scpi_get_string(scpi, command, &response) != SR_OK) |
8acbb89a DJ |
389 | if (!response) |
390 | return SR_ERR; | |
391 | ||
392 | tokens = g_strsplit(response, ",", 0); | |
393 | ptr = tokens; | |
394 | ||
395 | response_array = g_array_sized_new(TRUE, FALSE, sizeof(float), 256); | |
396 | ||
d5976d8b | 397 | while (*ptr) { |
8acbb89a DJ |
398 | if (sr_atof(*ptr, &tmp) == SR_OK) |
399 | response_array = g_array_append_val(response_array, | |
400 | tmp); | |
401 | else | |
402 | ret = SR_ERR; | |
403 | ||
404 | ptr++; | |
405 | } | |
406 | g_strfreev(tokens); | |
407 | g_free(response); | |
408 | ||
409 | if (ret == SR_ERR && response_array->len == 0) { | |
410 | g_array_free(response_array, TRUE); | |
411 | *scpi_response = NULL; | |
412 | return SR_ERR; | |
413 | } | |
414 | ||
415 | *scpi_response = response_array; | |
416 | ||
1a323dd8 DJ |
417 | return ret; |
418 | } | |
419 | ||
420 | /** | |
421 | * Send a SCPI command, read the reply, parse it as comma separated list of | |
422 | * unsigned 8 bit integers and store the as an result in scpi_response. | |
423 | * | |
23f43dff | 424 | * @param scpi Previously initialised SCPI device structure. |
1a323dd8 DJ |
425 | * @param command The SCPI command to send to the device (can be NULL). |
426 | * @param scpi_response Pointer where to store the parsed result. | |
427 | * | |
428 | * @return SR_OK upon successfully parsing all values, SR_ERR upon a parsing | |
d5976d8b UH |
429 | * error or upon no response. The allocated response must be freed by |
430 | * the caller in the case of an SR_OK as well as in the case of | |
431 | * parsing error. | |
1a323dd8 | 432 | */ |
23f43dff | 433 | SR_PRIV int sr_scpi_get_uint8v(struct sr_scpi_dev_inst *scpi, |
d5976d8b | 434 | const char *command, GArray **scpi_response) |
1a323dd8 | 435 | { |
d5976d8b | 436 | int tmp, ret; |
1a323dd8 | 437 | char *response; |
d5976d8b | 438 | gchar **ptr, **tokens; |
1a323dd8 DJ |
439 | GArray *response_array; |
440 | ||
441 | ret = SR_OK; | |
442 | response = NULL; | |
443 | tokens = NULL; | |
444 | ||
23f43dff | 445 | if (sr_scpi_get_string(scpi, command, &response) != SR_OK) |
1a323dd8 DJ |
446 | if (!response) |
447 | return SR_ERR; | |
448 | ||
449 | tokens = g_strsplit(response, ",", 0); | |
450 | ptr = tokens; | |
451 | ||
452 | response_array = g_array_sized_new(TRUE, FALSE, sizeof(uint8_t), 256); | |
453 | ||
d5976d8b | 454 | while (*ptr) { |
1a323dd8 DJ |
455 | if (sr_atoi(*ptr, &tmp) == SR_OK) |
456 | response_array = g_array_append_val(response_array, | |
457 | tmp); | |
458 | else | |
459 | ret = SR_ERR; | |
460 | ||
461 | ptr++; | |
462 | } | |
463 | g_strfreev(tokens); | |
464 | g_free(response); | |
465 | ||
466 | if (response_array->len == 0) { | |
467 | g_array_free(response_array, TRUE); | |
468 | *scpi_response = NULL; | |
469 | return SR_ERR; | |
470 | } | |
471 | ||
472 | *scpi_response = response_array; | |
473 | ||
8acbb89a DJ |
474 | return ret; |
475 | } | |
476 | ||
7b9d7320 DJ |
477 | /** |
478 | * Send the *IDN? SCPI command, receive the reply, parse it and store the | |
479 | * reply as a sr_scpi_hw_info structure in the supplied scpi_response pointer. | |
480 | * | |
d5976d8b UH |
481 | * The hw_info structure must be freed by the caller via sr_scpi_hw_info_free(). |
482 | * | |
23f43dff | 483 | * @param scpi Previously initialised SCPI device structure. |
7b9d7320 DJ |
484 | * @param scpi_response Pointer where to store the hw_info structure. |
485 | * | |
486 | * @return SR_OK upon success, SR_ERR on failure. | |
7b9d7320 | 487 | */ |
23f43dff | 488 | SR_PRIV int sr_scpi_get_hw_id(struct sr_scpi_dev_inst *scpi, |
7b9d7320 DJ |
489 | struct sr_scpi_hw_info **scpi_response) |
490 | { | |
491 | int num_tokens; | |
492 | char *response; | |
493 | gchar **tokens; | |
7b9d7320 DJ |
494 | struct sr_scpi_hw_info *hw_info; |
495 | ||
496 | response = NULL; | |
497 | tokens = NULL; | |
498 | ||
23f43dff | 499 | if (sr_scpi_get_string(scpi, SCPI_CMD_IDN, &response) != SR_OK) |
7b9d7320 DJ |
500 | if (!response) |
501 | return SR_ERR; | |
502 | ||
503 | /* | |
504 | * The response to a '*IDN?' is specified by the SCPI spec. It contains | |
505 | * a comma-separated list containing the manufacturer name, instrument | |
506 | * model, serial number of the instrument and the firmware version. | |
507 | */ | |
508 | tokens = g_strsplit(response, ",", 0); | |
509 | ||
510 | for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++); | |
511 | ||
512 | if (num_tokens != 4) { | |
d5976d8b | 513 | sr_dbg("IDN response not according to spec: %80.s.", response); |
7b9d7320 DJ |
514 | g_strfreev(tokens); |
515 | g_free(response); | |
516 | return SR_ERR; | |
517 | } | |
518 | g_free(response); | |
519 | ||
520 | hw_info = g_try_malloc(sizeof(struct sr_scpi_hw_info)); | |
521 | if (!hw_info) { | |
522 | g_strfreev(tokens); | |
523 | return SR_ERR_MALLOC; | |
524 | } | |
525 | ||
526 | hw_info->manufacturer = g_strdup(tokens[0]); | |
527 | hw_info->model = g_strdup(tokens[1]); | |
528 | hw_info->serial_number = g_strdup(tokens[2]); | |
529 | hw_info->firmware_version = g_strdup(tokens[3]); | |
530 | ||
531 | g_strfreev(tokens); | |
532 | ||
533 | *scpi_response = hw_info; | |
534 | ||
535 | return SR_OK; | |
536 | } | |
537 | ||
538 | /** | |
539 | * Free a sr_scpi_hw_info struct. | |
540 | * | |
541 | * @param hw_info Pointer to the struct to free. | |
542 | * | |
543 | * This function is safe to call with a NULL pointer. | |
544 | */ | |
545 | SR_PRIV void sr_scpi_hw_info_free(struct sr_scpi_hw_info *hw_info) | |
546 | { | |
547 | if (hw_info) { | |
548 | g_free(hw_info->manufacturer); | |
549 | g_free(hw_info->model); | |
550 | g_free(hw_info->serial_number); | |
551 | g_free(hw_info->firmware_version); | |
552 | g_free(hw_info); | |
553 | } | |
554 | } |