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a1bb33af | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
a1bb33af | 3 | * |
13d8e03c | 4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
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 <stdlib.h> | |
21 | #include <stdio.h> | |
22 | #include <sys/types.h> | |
23 | #include <dirent.h> | |
24 | #include <string.h> | |
25 | #include <glib.h> | |
545f9786 | 26 | #include "config.h" /* Needed for HAVE_LIBUSB_1_0 and others. */ |
45c59c8b BV |
27 | #include "libsigrok.h" |
28 | #include "libsigrok-internal.h" | |
a1bb33af | 29 | |
2ad1deb8 | 30 | /** @cond PRIVATE */ |
3544f848 | 31 | #define LOG_PREFIX "hwdriver" |
2ad1deb8 | 32 | /** @endcond */ |
bd36d826 | 33 | |
5d8c55f9 BV |
34 | extern SR_PRIV struct sr_dev_driver *drivers_list[]; |
35 | ||
393fb9cb UH |
36 | /** |
37 | * @file | |
38 | * | |
39 | * Hardware driver handling in libsigrok. | |
40 | */ | |
41 | ||
7b870c38 UH |
42 | /** |
43 | * @defgroup grp_driver Hardware drivers | |
44 | * | |
45 | * Hardware driver handling in libsigrok. | |
46 | * | |
47 | * @{ | |
48 | */ | |
8bfdc8c4 | 49 | |
c89c1c9c | 50 | static struct sr_config_info sr_config_info_data[] = { |
ace218f9 | 51 | {SR_CONF_CONN, SR_T_STRING, "conn", |
083d64f9 | 52 | "Connection", NULL}, |
ace218f9 | 53 | {SR_CONF_SERIALCOMM, SR_T_STRING, "serialcomm", |
083d64f9 | 54 | "Serial communication", NULL}, |
1953564a | 55 | {SR_CONF_SAMPLERATE, SR_T_UINT64, "samplerate", |
083d64f9 | 56 | "Sample rate", NULL}, |
1953564a | 57 | {SR_CONF_CAPTURE_RATIO, SR_T_UINT64, "captureratio", |
083d64f9 | 58 | "Pre-trigger capture ratio", NULL}, |
ace218f9 | 59 | {SR_CONF_PATTERN_MODE, SR_T_STRING, "pattern", |
2438b737 | 60 | "Pattern", NULL}, |
795c9de3 BV |
61 | {SR_CONF_TRIGGER_MATCH, SR_T_INT32, "triggermatch", |
62 | "Trigger matches", NULL}, | |
eb1b610b MR |
63 | {SR_CONF_EXTERNAL_CLOCK, SR_T_BOOL, "external_clock", |
64 | "External clock mode", NULL}, | |
7b0a57fd MR |
65 | {SR_CONF_SWAP, SR_T_BOOL, "swap", |
66 | "Swap channel order", NULL}, | |
1953564a | 67 | {SR_CONF_RLE, SR_T_BOOL, "rle", |
083d64f9 | 68 | "Run Length Encoding", NULL}, |
ace218f9 | 69 | {SR_CONF_TRIGGER_SLOPE, SR_T_STRING, "triggerslope", |
083d64f9 | 70 | "Trigger slope", NULL}, |
ace218f9 | 71 | {SR_CONF_TRIGGER_SOURCE, SR_T_STRING, "triggersource", |
083d64f9 | 72 | "Trigger source", NULL}, |
1953564a | 73 | {SR_CONF_HORIZ_TRIGGERPOS, SR_T_FLOAT, "horiz_triggerpos", |
083d64f9 | 74 | "Horizontal trigger position", NULL}, |
1953564a | 75 | {SR_CONF_BUFFERSIZE, SR_T_UINT64, "buffersize", |
083d64f9 | 76 | "Buffer size", NULL}, |
1953564a | 77 | {SR_CONF_TIMEBASE, SR_T_RATIONAL_PERIOD, "timebase", |
083d64f9 | 78 | "Time base", NULL}, |
ace218f9 | 79 | {SR_CONF_FILTER, SR_T_STRING, "filter", |
083d64f9 | 80 | "Filter targets", NULL}, |
1953564a | 81 | {SR_CONF_VDIV, SR_T_RATIONAL_VOLT, "vdiv", |
083d64f9 | 82 | "Volts/div", NULL}, |
ace218f9 | 83 | {SR_CONF_COUPLING, SR_T_STRING, "coupling", |
083d64f9 | 84 | "Coupling", NULL}, |
e6551ea6 BV |
85 | {SR_CONF_DATALOG, SR_T_BOOL, "datalog", |
86 | "Datalog", NULL}, | |
ace218f9 | 87 | {SR_CONF_SPL_WEIGHT_FREQ, SR_T_STRING, "spl_weight_freq", |
fd8854c4 | 88 | "Sound pressure level frequency weighting", NULL}, |
ace218f9 | 89 | {SR_CONF_SPL_WEIGHT_TIME, SR_T_STRING, "spl_weight_time", |
fd8854c4 | 90 | "Sound pressure level time weighting", NULL}, |
9fd6bc20 BV |
91 | {SR_CONF_HOLD_MAX, SR_T_BOOL, "hold_max", |
92 | "Hold max", NULL}, | |
93 | {SR_CONF_HOLD_MIN, SR_T_BOOL, "hold_min", | |
94 | "Hold min", NULL}, | |
8417ebad BV |
95 | {SR_CONF_SPL_MEASUREMENT_RANGE, SR_T_UINT64_RANGE, "spl_meas_range", |
96 | "Sound pressure level measurement range", NULL}, | |
db11d7d2 MC |
97 | {SR_CONF_VOLTAGE_THRESHOLD, SR_T_DOUBLE_RANGE, "voltage_threshold", |
98 | "Voltage threshold", NULL }, | |
32de50b7 BV |
99 | {SR_CONF_POWER_OFF, SR_T_BOOL, "power_off", |
100 | "Power off", NULL}, | |
ace218f9 | 101 | {SR_CONF_DATA_SOURCE, SR_T_STRING, "data_source", |
6caeef6e | 102 | "Data source", NULL}, |
fca75cbb UH |
103 | {SR_CONF_NUM_LOGIC_CHANNELS, SR_T_INT32, "logic_channels", |
104 | "Number of logic channels", NULL}, | |
105 | {SR_CONF_NUM_ANALOG_CHANNELS, SR_T_INT32, "analog_channels", | |
106 | "Number of analog channels", NULL}, | |
471607f0 BV |
107 | {SR_CONF_OUTPUT_VOLTAGE, SR_T_FLOAT, "output_voltage", |
108 | "Current output voltage", NULL}, | |
109 | {SR_CONF_OUTPUT_VOLTAGE_MAX, SR_T_FLOAT, "output_voltage_max", | |
110 | "Maximum output voltage", NULL}, | |
111 | {SR_CONF_OUTPUT_CURRENT, SR_T_FLOAT, "output_current", | |
112 | "Current output current", NULL}, | |
113 | {SR_CONF_OUTPUT_CURRENT_MAX, SR_T_FLOAT, "output_current_max", | |
114 | "Maximum output current", NULL}, | |
115 | {SR_CONF_OUTPUT_ENABLED, SR_T_BOOL, "output_enabled", | |
116 | "Output enabled", NULL}, | |
ace218f9 | 117 | {SR_CONF_OUTPUT_CHANNEL, SR_T_STRING, "output_channel", |
471607f0 BV |
118 | "Output channel modes", NULL}, |
119 | {SR_CONF_OVER_VOLTAGE_PROTECTION, SR_T_BOOL, "ovp", | |
120 | "Over-voltage protection", NULL}, | |
121 | {SR_CONF_OVER_CURRENT_PROTECTION, SR_T_BOOL, "ocp", | |
122 | "Over-current protection", NULL}, | |
f0de2dd0 BV |
123 | {SR_CONF_LIMIT_SAMPLES, SR_T_UINT64, "limit_samples", |
124 | "Sample limit", NULL}, | |
ace218f9 | 125 | {SR_CONF_CLOCK_EDGE, SR_T_STRING, "clock_edge", |
860bc59b | 126 | "Clock edge", NULL}, |
cff7d8d6 BV |
127 | {SR_CONF_AMPLITUDE, SR_T_FLOAT, "amplitude", |
128 | "Amplitude", NULL}, | |
083d64f9 | 129 | {0, 0, NULL, NULL, NULL}, |
a1bb33af UH |
130 | }; |
131 | ||
a1645fcd | 132 | /** |
cfe064d8 | 133 | * Return the list of supported hardware drivers. |
a1645fcd | 134 | * |
c09f0b57 | 135 | * @return Pointer to the NULL-terminated list of hardware driver pointers. |
47117241 UH |
136 | * |
137 | * @since 0.1.0 | |
a1645fcd | 138 | */ |
cfe064d8 | 139 | SR_API struct sr_dev_driver **sr_driver_list(void) |
a1bb33af | 140 | { |
80bf0426 | 141 | |
c09f0b57 | 142 | return drivers_list; |
a1bb33af UH |
143 | } |
144 | ||
a1645fcd | 145 | /** |
c09f0b57 | 146 | * Initialize a hardware driver. |
a1645fcd | 147 | * |
c0eea11c UH |
148 | * This usually involves memory allocations and variable initializations |
149 | * within the driver, but _not_ scanning for attached devices. | |
150 | * The API call sr_driver_scan() is used for that. | |
151 | * | |
44fc870c | 152 | * @param ctx A libsigrok context object allocated by a previous call to |
c0eea11c UH |
153 | * sr_init(). Must not be NULL. |
154 | * @param driver The driver to initialize. This must be a pointer to one of | |
155 | * the entries returned by sr_driver_list(). Must not be NULL. | |
a1645fcd | 156 | * |
67eb6bcb MH |
157 | * @retval SR_OK Success |
158 | * @retval SR_ERR_ARG Invalid parameter(s). | |
159 | * @retval SR_ERR_BUG Internal errors. | |
160 | * @retval other Another negative error code upon other errors. | |
47117241 UH |
161 | * |
162 | * @since 0.2.0 | |
a1645fcd | 163 | */ |
44fc870c | 164 | SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver) |
8722c31e | 165 | { |
c0eea11c UH |
166 | int ret; |
167 | ||
168 | if (!ctx) { | |
169 | sr_err("Invalid libsigrok context, can't initialize."); | |
170 | return SR_ERR_ARG; | |
171 | } | |
172 | ||
173 | if (!driver) { | |
174 | sr_err("Invalid driver, can't initialize."); | |
175 | return SR_ERR_ARG; | |
176 | } | |
8722c31e | 177 | |
c0eea11c UH |
178 | sr_spew("Initializing driver '%s'.", driver->name); |
179 | if ((ret = driver->init(ctx)) < 0) | |
180 | sr_err("Failed to initialize the driver: %d.", ret); | |
80bf0426 | 181 | |
c0eea11c | 182 | return ret; |
80bf0426 BV |
183 | } |
184 | ||
185 | /** | |
186 | * Tell a hardware driver to scan for devices. | |
187 | * | |
a5f2e707 BV |
188 | * In addition to the detection, the devices that are found are also |
189 | * initialized automatically. On some devices, this involves a firmware upload, | |
190 | * or other such measures. | |
191 | * | |
192 | * The order in which the system is scanned for devices is not specified. The | |
193 | * caller should not assume or rely on any specific order. | |
194 | * | |
4b97c74e UH |
195 | * Before calling sr_driver_scan(), the user must have previously initialized |
196 | * the driver by calling sr_driver_init(). | |
80bf0426 | 197 | * |
4b97c74e UH |
198 | * @param driver The driver that should scan. This must be a pointer to one of |
199 | * the entries returned by sr_driver_list(). Must not be NULL. | |
200 | * @param options A list of 'struct sr_hwopt' options to pass to the driver's | |
201 | * scanner. Can be NULL/empty. | |
202 | * | |
203 | * @return A GSList * of 'struct sr_dev_inst', or NULL if no devices were | |
204 | * found (or errors were encountered). This list must be freed by the | |
205 | * caller using g_slist_free(), but without freeing the data pointed | |
206 | * to in the list. | |
47117241 UH |
207 | * |
208 | * @since 0.2.0 | |
80bf0426 BV |
209 | */ |
210 | SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options) | |
211 | { | |
4b97c74e UH |
212 | GSList *l; |
213 | ||
214 | if (!driver) { | |
215 | sr_err("Invalid driver, can't scan for devices."); | |
216 | return NULL; | |
217 | } | |
218 | ||
219 | if (!driver->priv) { | |
220 | sr_err("Driver not initialized, can't scan for devices."); | |
221 | return NULL; | |
222 | } | |
223 | ||
224 | l = driver->scan(options); | |
80bf0426 | 225 | |
4b97c74e UH |
226 | sr_spew("Scan of '%s' found %d devices.", driver->name, |
227 | g_slist_length(l)); | |
80bf0426 | 228 | |
4b97c74e | 229 | return l; |
8722c31e BV |
230 | } |
231 | ||
67eb6bcb MH |
232 | /** Call driver cleanup function for all drivers. |
233 | * @private */ | |
93a04e3b | 234 | SR_PRIV void sr_hw_cleanup_all(void) |
8722c31e | 235 | { |
050e9219 | 236 | int i; |
c09f0b57 | 237 | struct sr_dev_driver **drivers; |
8722c31e | 238 | |
cfe064d8 | 239 | drivers = sr_driver_list(); |
c09f0b57 UH |
240 | for (i = 0; drivers[i]; i++) { |
241 | if (drivers[i]->cleanup) | |
242 | drivers[i]->cleanup(); | |
8722c31e | 243 | } |
8722c31e BV |
244 | } |
245 | ||
67eb6bcb MH |
246 | /** Allocate struct sr_config. |
247 | * A floating reference can be passed in for data. | |
248 | * @private | |
249 | */ | |
bc1c2f00 | 250 | SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data) |
4c0e310c BV |
251 | { |
252 | struct sr_config *src; | |
253 | ||
254 | if (!(src = g_try_malloc(sizeof(struct sr_config)))) | |
255 | return NULL; | |
256 | src->key = key; | |
bc1c2f00 | 257 | src->data = g_variant_ref_sink(data); |
4c0e310c BV |
258 | |
259 | return src; | |
260 | } | |
261 | ||
67eb6bcb MH |
262 | /** Free struct sr_config. |
263 | * @private | |
264 | */ | |
722db131 BV |
265 | SR_PRIV void sr_config_free(struct sr_config *src) |
266 | { | |
267 | ||
268 | if (!src || !src->data) { | |
269 | sr_err("%s: invalid data!", __func__); | |
270 | return; | |
271 | } | |
272 | ||
273 | g_variant_unref(src->data); | |
274 | g_free(src); | |
275 | ||
276 | } | |
277 | ||
df123801 | 278 | /** |
67eb6bcb | 279 | * Query value of a configuration key at the given driver or device instance. |
df123801 | 280 | * |
67eb6bcb MH |
281 | * @param[in] driver The sr_dev_driver struct to query. |
282 | * @param[in] sdi (optional) If the key is specific to a device, this must | |
57ecdbd7 BV |
283 | * contain a pointer to the struct sr_dev_inst to be checked. |
284 | * Otherwise it must be NULL. | |
53b4680f | 285 | * @param[in] cg The channel group on the device for which to list the |
57ecdbd7 | 286 | * values, or NULL. |
67eb6bcb MH |
287 | * @param[in] key The configuration key (SR_CONF_*). |
288 | * @param[in,out] data Pointer to a GVariant where the value will be stored. | |
289 | * Must not be NULL. The caller is given ownership of the GVariant | |
bc1c2f00 BV |
290 | * and must thus decrease the refcount after use. However if |
291 | * this function returns an error code, the field should be | |
292 | * considered unused, and should not be unreferenced. | |
df123801 | 293 | * |
67eb6bcb MH |
294 | * @retval SR_OK Success. |
295 | * @retval SR_ERR Error. | |
296 | * @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be | |
297 | * interpreted as an error by the caller; merely as an indication | |
298 | * that it's not applicable. | |
47117241 UH |
299 | * |
300 | * @since 0.3.0 | |
df123801 | 301 | */ |
8f996b89 ML |
302 | SR_API int sr_config_get(const struct sr_dev_driver *driver, |
303 | const struct sr_dev_inst *sdi, | |
53b4680f | 304 | const struct sr_channel_group *cg, |
8f996b89 | 305 | int key, GVariant **data) |
df123801 BV |
306 | { |
307 | int ret; | |
308 | ||
cbadb856 | 309 | if (!driver || !data) |
df123801 BV |
310 | return SR_ERR; |
311 | ||
6cefe516 BV |
312 | if (!driver->config_get) |
313 | return SR_ERR_ARG; | |
314 | ||
53b4680f | 315 | if ((ret = driver->config_get(key, data, sdi, cg)) == SR_OK) { |
bc1c2f00 BV |
316 | /* Got a floating reference from the driver. Sink it here, |
317 | * caller will need to unref when done with it. */ | |
318 | g_variant_ref_sink(*data); | |
319 | } | |
df123801 BV |
320 | |
321 | return ret; | |
322 | } | |
323 | ||
cbadb856 | 324 | /** |
67eb6bcb | 325 | * Set value of a configuration key in a device instance. |
cbadb856 | 326 | * |
67eb6bcb | 327 | * @param[in] sdi The device instance. |
53b4680f | 328 | * @param[in] cg The channel group on the device for which to list the |
57ecdbd7 | 329 | * values, or NULL. |
67eb6bcb | 330 | * @param[in] key The configuration key (SR_CONF_*). |
bc1c2f00 BV |
331 | * @param data The new value for the key, as a GVariant with GVariantType |
332 | * appropriate to that key. A floating reference can be passed | |
333 | * in; its refcount will be sunk and unreferenced after use. | |
cbadb856 | 334 | * |
67eb6bcb MH |
335 | * @retval SR_OK Success. |
336 | * @retval SR_ERR Error. | |
337 | * @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be | |
338 | * interpreted as an error by the caller; merely as an indication | |
339 | * that it's not applicable. | |
47117241 UH |
340 | * |
341 | * @since 0.3.0 | |
cbadb856 | 342 | */ |
8f996b89 | 343 | SR_API int sr_config_set(const struct sr_dev_inst *sdi, |
53b4680f | 344 | const struct sr_channel_group *cg, |
8f996b89 | 345 | int key, GVariant *data) |
cbadb856 BV |
346 | { |
347 | int ret; | |
348 | ||
bc1c2f00 | 349 | g_variant_ref_sink(data); |
cbadb856 | 350 | |
bc1c2f00 BV |
351 | if (!sdi || !sdi->driver || !data) |
352 | ret = SR_ERR; | |
353 | else if (!sdi->driver->config_set) | |
354 | ret = SR_ERR_ARG; | |
355 | else | |
53b4680f | 356 | ret = sdi->driver->config_set(key, data, sdi, cg); |
cbadb856 | 357 | |
bc1c2f00 | 358 | g_variant_unref(data); |
cbadb856 BV |
359 | |
360 | return ret; | |
361 | } | |
362 | ||
2a854d71 DE |
363 | /** |
364 | * Apply configuration settings to the device hardware. | |
365 | * | |
366 | * @param sdi The device instance. | |
367 | * | |
368 | * @return SR_OK upon success or SR_ERR in case of error. | |
47117241 UH |
369 | * |
370 | * @since 0.3.0 | |
2a854d71 DE |
371 | */ |
372 | SR_API int sr_config_commit(const struct sr_dev_inst *sdi) | |
373 | { | |
374 | int ret; | |
375 | ||
376 | if (!sdi || !sdi->driver) | |
377 | ret = SR_ERR; | |
378 | else if (!sdi->driver->config_commit) | |
379 | ret = SR_OK; | |
380 | else | |
381 | ret = sdi->driver->config_commit(sdi); | |
382 | ||
383 | return ret; | |
384 | } | |
385 | ||
cbadb856 BV |
386 | /** |
387 | * List all possible values for a configuration key. | |
388 | * | |
67eb6bcb MH |
389 | * @param[in] driver The sr_dev_driver struct to query. |
390 | * @param[in] sdi (optional) If the key is specific to a device, this must | |
57ecdbd7 | 391 | * contain a pointer to the struct sr_dev_inst to be checked. |
53b4680f | 392 | * @param[in] cg The channel group on the device for which to list the |
57ecdbd7 | 393 | * values, or NULL. |
67eb6bcb MH |
394 | * @param[in] key The configuration key (SR_CONF_*). |
395 | * @param[in,out] data A pointer to a GVariant where the list will be stored. | |
396 | * The caller is given ownership of the GVariant and must thus | |
bc1c2f00 BV |
397 | * unref the GVariant after use. However if this function |
398 | * returns an error code, the field should be considered | |
399 | * unused, and should not be unreferenced. | |
cbadb856 | 400 | * |
67eb6bcb MH |
401 | * @retval SR_OK Success. |
402 | * @retval SR_ERR Error. | |
403 | * @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be | |
404 | * interpreted as an error by the caller; merely as an indication | |
405 | * that it's not applicable. | |
47117241 UH |
406 | * |
407 | * @since 0.3.0 | |
cbadb856 | 408 | */ |
8f996b89 ML |
409 | SR_API int sr_config_list(const struct sr_dev_driver *driver, |
410 | const struct sr_dev_inst *sdi, | |
53b4680f | 411 | const struct sr_channel_group *cg, |
8f996b89 | 412 | int key, GVariant **data) |
c5fb502f BV |
413 | { |
414 | int ret; | |
415 | ||
6cefe516 | 416 | if (!driver || !data) |
bc1c2f00 | 417 | ret = SR_ERR; |
d8284802 | 418 | else if (!driver->config_list) |
6cefe516 | 419 | ret = SR_ERR_ARG; |
53b4680f | 420 | else if ((ret = driver->config_list(key, data, sdi, cg)) == SR_OK) |
bc1c2f00 | 421 | g_variant_ref_sink(*data); |
c5fb502f BV |
422 | |
423 | return ret; | |
424 | } | |
425 | ||
8bfdc8c4 | 426 | /** |
67eb6bcb | 427 | * Get information about a configuration key, by key. |
a1645fcd | 428 | * |
67eb6bcb | 429 | * @param[in] key The configuration key. |
15cb43d6 | 430 | * |
c89c1c9c | 431 | * @return A pointer to a struct sr_config_info, or NULL if the key |
15cb43d6 | 432 | * was not found. |
47117241 UH |
433 | * |
434 | * @since 0.2.0 | |
15cb43d6 | 435 | */ |
c89c1c9c | 436 | SR_API const struct sr_config_info *sr_config_info_get(int key) |
15cb43d6 BV |
437 | { |
438 | int i; | |
439 | ||
c89c1c9c BV |
440 | for (i = 0; sr_config_info_data[i].key; i++) { |
441 | if (sr_config_info_data[i].key == key) | |
442 | return &sr_config_info_data[i]; | |
15cb43d6 BV |
443 | } |
444 | ||
445 | return NULL; | |
446 | } | |
447 | ||
448 | /** | |
67eb6bcb | 449 | * Get information about a configuration key, by name. |
15cb43d6 | 450 | * |
67eb6bcb | 451 | * @param[in] optname The configuration key. |
a1645fcd | 452 | * |
c89c1c9c | 453 | * @return A pointer to a struct sr_config_info, or NULL if the key |
15cb43d6 | 454 | * was not found. |
47117241 UH |
455 | * |
456 | * @since 0.2.0 | |
a1645fcd | 457 | */ |
c89c1c9c | 458 | SR_API const struct sr_config_info *sr_config_info_name_get(const char *optname) |
a1bb33af | 459 | { |
a1bb33af UH |
460 | int i; |
461 | ||
c89c1c9c BV |
462 | for (i = 0; sr_config_info_data[i].key; i++) { |
463 | if (!strcmp(sr_config_info_data[i].id, optname)) | |
464 | return &sr_config_info_data[i]; | |
a1bb33af UH |
465 | } |
466 | ||
49d0ce50 | 467 | return NULL; |
a1bb33af UH |
468 | } |
469 | ||
7b870c38 | 470 | /** @} */ |