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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}, | |
a1eaa9e0 | 117 | {SR_CONF_OUTPUT_CHANNEL_CONFIG, SR_T_STRING, "output_channel_config", |
471607f0 | 118 | "Output channel modes", NULL}, |
a1eaa9e0 BV |
119 | {SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED, SR_T_BOOL, "ovp_enabled", |
120 | "Over-voltage protection enabled", NULL}, | |
121 | {SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE, SR_T_BOOL, "ovp_active", | |
122 | "Over-voltage protection active", NULL}, | |
123 | {SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD, SR_T_FLOAT, "ovp_threshold", | |
124 | "Over-voltage protection threshold", NULL}, | |
125 | {SR_CONF_OVER_CURRENT_PROTECTION_ENABLED, SR_T_BOOL, "ocp_enabled", | |
126 | "Over-current protection enabled", NULL}, | |
127 | {SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE, SR_T_BOOL, "ocp_active", | |
128 | "Over-current protection active", NULL}, | |
129 | {SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD, SR_T_FLOAT, "ocp_threshold", | |
130 | "Over-current protection threshold", NULL}, | |
f0de2dd0 BV |
131 | {SR_CONF_LIMIT_SAMPLES, SR_T_UINT64, "limit_samples", |
132 | "Sample limit", NULL}, | |
ace218f9 | 133 | {SR_CONF_CLOCK_EDGE, SR_T_STRING, "clock_edge", |
860bc59b | 134 | "Clock edge", NULL}, |
cff7d8d6 BV |
135 | {SR_CONF_AMPLITUDE, SR_T_FLOAT, "amplitude", |
136 | "Amplitude", NULL}, | |
a1eaa9e0 BV |
137 | {SR_CONF_OVER_TEMPERATURE_PROTECTION, SR_T_BOOL, "otp", |
138 | "Over-temperature protection", NULL}, | |
139 | {SR_CONF_OUTPUT_REGULATION, SR_T_STRING, "output_regulation", | |
140 | "Output channel regulation", NULL}, | |
083d64f9 | 141 | {0, 0, NULL, NULL, NULL}, |
a1bb33af UH |
142 | }; |
143 | ||
a1645fcd | 144 | /** |
cfe064d8 | 145 | * Return the list of supported hardware drivers. |
a1645fcd | 146 | * |
c09f0b57 | 147 | * @return Pointer to the NULL-terminated list of hardware driver pointers. |
47117241 UH |
148 | * |
149 | * @since 0.1.0 | |
a1645fcd | 150 | */ |
cfe064d8 | 151 | SR_API struct sr_dev_driver **sr_driver_list(void) |
a1bb33af | 152 | { |
80bf0426 | 153 | |
c09f0b57 | 154 | return drivers_list; |
a1bb33af UH |
155 | } |
156 | ||
a1645fcd | 157 | /** |
c09f0b57 | 158 | * Initialize a hardware driver. |
a1645fcd | 159 | * |
c0eea11c UH |
160 | * This usually involves memory allocations and variable initializations |
161 | * within the driver, but _not_ scanning for attached devices. | |
162 | * The API call sr_driver_scan() is used for that. | |
163 | * | |
44fc870c | 164 | * @param ctx A libsigrok context object allocated by a previous call to |
c0eea11c UH |
165 | * sr_init(). Must not be NULL. |
166 | * @param driver The driver to initialize. This must be a pointer to one of | |
167 | * the entries returned by sr_driver_list(). Must not be NULL. | |
a1645fcd | 168 | * |
67eb6bcb MH |
169 | * @retval SR_OK Success |
170 | * @retval SR_ERR_ARG Invalid parameter(s). | |
171 | * @retval SR_ERR_BUG Internal errors. | |
172 | * @retval other Another negative error code upon other errors. | |
47117241 UH |
173 | * |
174 | * @since 0.2.0 | |
a1645fcd | 175 | */ |
44fc870c | 176 | SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver) |
8722c31e | 177 | { |
c0eea11c UH |
178 | int ret; |
179 | ||
180 | if (!ctx) { | |
181 | sr_err("Invalid libsigrok context, can't initialize."); | |
182 | return SR_ERR_ARG; | |
183 | } | |
184 | ||
185 | if (!driver) { | |
186 | sr_err("Invalid driver, can't initialize."); | |
187 | return SR_ERR_ARG; | |
188 | } | |
8722c31e | 189 | |
c0eea11c UH |
190 | sr_spew("Initializing driver '%s'.", driver->name); |
191 | if ((ret = driver->init(ctx)) < 0) | |
192 | sr_err("Failed to initialize the driver: %d.", ret); | |
80bf0426 | 193 | |
c0eea11c | 194 | return ret; |
80bf0426 BV |
195 | } |
196 | ||
197 | /** | |
198 | * Tell a hardware driver to scan for devices. | |
199 | * | |
a5f2e707 BV |
200 | * In addition to the detection, the devices that are found are also |
201 | * initialized automatically. On some devices, this involves a firmware upload, | |
202 | * or other such measures. | |
203 | * | |
204 | * The order in which the system is scanned for devices is not specified. The | |
205 | * caller should not assume or rely on any specific order. | |
206 | * | |
4b97c74e UH |
207 | * Before calling sr_driver_scan(), the user must have previously initialized |
208 | * the driver by calling sr_driver_init(). | |
80bf0426 | 209 | * |
4b97c74e UH |
210 | * @param driver The driver that should scan. This must be a pointer to one of |
211 | * the entries returned by sr_driver_list(). Must not be NULL. | |
212 | * @param options A list of 'struct sr_hwopt' options to pass to the driver's | |
213 | * scanner. Can be NULL/empty. | |
214 | * | |
215 | * @return A GSList * of 'struct sr_dev_inst', or NULL if no devices were | |
216 | * found (or errors were encountered). This list must be freed by the | |
217 | * caller using g_slist_free(), but without freeing the data pointed | |
218 | * to in the list. | |
47117241 UH |
219 | * |
220 | * @since 0.2.0 | |
80bf0426 BV |
221 | */ |
222 | SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options) | |
223 | { | |
4b97c74e UH |
224 | GSList *l; |
225 | ||
226 | if (!driver) { | |
227 | sr_err("Invalid driver, can't scan for devices."); | |
228 | return NULL; | |
229 | } | |
230 | ||
231 | if (!driver->priv) { | |
232 | sr_err("Driver not initialized, can't scan for devices."); | |
233 | return NULL; | |
234 | } | |
235 | ||
236 | l = driver->scan(options); | |
80bf0426 | 237 | |
4b97c74e UH |
238 | sr_spew("Scan of '%s' found %d devices.", driver->name, |
239 | g_slist_length(l)); | |
80bf0426 | 240 | |
4b97c74e | 241 | return l; |
8722c31e BV |
242 | } |
243 | ||
67eb6bcb MH |
244 | /** Call driver cleanup function for all drivers. |
245 | * @private */ | |
93a04e3b | 246 | SR_PRIV void sr_hw_cleanup_all(void) |
8722c31e | 247 | { |
050e9219 | 248 | int i; |
c09f0b57 | 249 | struct sr_dev_driver **drivers; |
8722c31e | 250 | |
cfe064d8 | 251 | drivers = sr_driver_list(); |
c09f0b57 UH |
252 | for (i = 0; drivers[i]; i++) { |
253 | if (drivers[i]->cleanup) | |
254 | drivers[i]->cleanup(); | |
8722c31e | 255 | } |
8722c31e BV |
256 | } |
257 | ||
67eb6bcb MH |
258 | /** Allocate struct sr_config. |
259 | * A floating reference can be passed in for data. | |
260 | * @private | |
261 | */ | |
bc1c2f00 | 262 | SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data) |
4c0e310c BV |
263 | { |
264 | struct sr_config *src; | |
265 | ||
266 | if (!(src = g_try_malloc(sizeof(struct sr_config)))) | |
267 | return NULL; | |
268 | src->key = key; | |
bc1c2f00 | 269 | src->data = g_variant_ref_sink(data); |
4c0e310c BV |
270 | |
271 | return src; | |
272 | } | |
273 | ||
67eb6bcb MH |
274 | /** Free struct sr_config. |
275 | * @private | |
276 | */ | |
722db131 BV |
277 | SR_PRIV void sr_config_free(struct sr_config *src) |
278 | { | |
279 | ||
280 | if (!src || !src->data) { | |
281 | sr_err("%s: invalid data!", __func__); | |
282 | return; | |
283 | } | |
284 | ||
285 | g_variant_unref(src->data); | |
286 | g_free(src); | |
287 | ||
288 | } | |
289 | ||
df123801 | 290 | /** |
67eb6bcb | 291 | * Query value of a configuration key at the given driver or device instance. |
df123801 | 292 | * |
67eb6bcb MH |
293 | * @param[in] driver The sr_dev_driver struct to query. |
294 | * @param[in] sdi (optional) If the key is specific to a device, this must | |
57ecdbd7 BV |
295 | * contain a pointer to the struct sr_dev_inst to be checked. |
296 | * Otherwise it must be NULL. | |
53b4680f | 297 | * @param[in] cg The channel group on the device for which to list the |
57ecdbd7 | 298 | * values, or NULL. |
67eb6bcb MH |
299 | * @param[in] key The configuration key (SR_CONF_*). |
300 | * @param[in,out] data Pointer to a GVariant where the value will be stored. | |
301 | * Must not be NULL. The caller is given ownership of the GVariant | |
bc1c2f00 BV |
302 | * and must thus decrease the refcount after use. However if |
303 | * this function returns an error code, the field should be | |
304 | * considered unused, and should not be unreferenced. | |
df123801 | 305 | * |
67eb6bcb MH |
306 | * @retval SR_OK Success. |
307 | * @retval SR_ERR Error. | |
308 | * @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be | |
309 | * interpreted as an error by the caller; merely as an indication | |
310 | * that it's not applicable. | |
47117241 UH |
311 | * |
312 | * @since 0.3.0 | |
df123801 | 313 | */ |
8f996b89 ML |
314 | SR_API int sr_config_get(const struct sr_dev_driver *driver, |
315 | const struct sr_dev_inst *sdi, | |
53b4680f | 316 | const struct sr_channel_group *cg, |
8f996b89 | 317 | int key, GVariant **data) |
df123801 BV |
318 | { |
319 | int ret; | |
320 | ||
cbadb856 | 321 | if (!driver || !data) |
df123801 BV |
322 | return SR_ERR; |
323 | ||
6cefe516 BV |
324 | if (!driver->config_get) |
325 | return SR_ERR_ARG; | |
326 | ||
53b4680f | 327 | if ((ret = driver->config_get(key, data, sdi, cg)) == SR_OK) { |
bc1c2f00 BV |
328 | /* Got a floating reference from the driver. Sink it here, |
329 | * caller will need to unref when done with it. */ | |
330 | g_variant_ref_sink(*data); | |
331 | } | |
df123801 BV |
332 | |
333 | return ret; | |
334 | } | |
335 | ||
cbadb856 | 336 | /** |
67eb6bcb | 337 | * Set value of a configuration key in a device instance. |
cbadb856 | 338 | * |
67eb6bcb | 339 | * @param[in] sdi The device instance. |
53b4680f | 340 | * @param[in] cg The channel group on the device for which to list the |
57ecdbd7 | 341 | * values, or NULL. |
67eb6bcb | 342 | * @param[in] key The configuration key (SR_CONF_*). |
bc1c2f00 BV |
343 | * @param data The new value for the key, as a GVariant with GVariantType |
344 | * appropriate to that key. A floating reference can be passed | |
345 | * in; its refcount will be sunk and unreferenced after use. | |
cbadb856 | 346 | * |
67eb6bcb MH |
347 | * @retval SR_OK Success. |
348 | * @retval SR_ERR Error. | |
349 | * @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be | |
350 | * interpreted as an error by the caller; merely as an indication | |
351 | * that it's not applicable. | |
47117241 UH |
352 | * |
353 | * @since 0.3.0 | |
cbadb856 | 354 | */ |
8f996b89 | 355 | SR_API int sr_config_set(const struct sr_dev_inst *sdi, |
53b4680f | 356 | const struct sr_channel_group *cg, |
8f996b89 | 357 | int key, GVariant *data) |
cbadb856 BV |
358 | { |
359 | int ret; | |
360 | ||
bc1c2f00 | 361 | g_variant_ref_sink(data); |
cbadb856 | 362 | |
bc1c2f00 BV |
363 | if (!sdi || !sdi->driver || !data) |
364 | ret = SR_ERR; | |
365 | else if (!sdi->driver->config_set) | |
366 | ret = SR_ERR_ARG; | |
367 | else | |
53b4680f | 368 | ret = sdi->driver->config_set(key, data, sdi, cg); |
cbadb856 | 369 | |
bc1c2f00 | 370 | g_variant_unref(data); |
cbadb856 BV |
371 | |
372 | return ret; | |
373 | } | |
374 | ||
2a854d71 DE |
375 | /** |
376 | * Apply configuration settings to the device hardware. | |
377 | * | |
378 | * @param sdi The device instance. | |
379 | * | |
380 | * @return SR_OK upon success or SR_ERR in case of error. | |
47117241 UH |
381 | * |
382 | * @since 0.3.0 | |
2a854d71 DE |
383 | */ |
384 | SR_API int sr_config_commit(const struct sr_dev_inst *sdi) | |
385 | { | |
386 | int ret; | |
387 | ||
388 | if (!sdi || !sdi->driver) | |
389 | ret = SR_ERR; | |
390 | else if (!sdi->driver->config_commit) | |
391 | ret = SR_OK; | |
392 | else | |
393 | ret = sdi->driver->config_commit(sdi); | |
394 | ||
395 | return ret; | |
396 | } | |
397 | ||
cbadb856 BV |
398 | /** |
399 | * List all possible values for a configuration key. | |
400 | * | |
67eb6bcb MH |
401 | * @param[in] driver The sr_dev_driver struct to query. |
402 | * @param[in] sdi (optional) If the key is specific to a device, this must | |
57ecdbd7 | 403 | * contain a pointer to the struct sr_dev_inst to be checked. |
53b4680f | 404 | * @param[in] cg The channel group on the device for which to list the |
57ecdbd7 | 405 | * values, or NULL. |
67eb6bcb MH |
406 | * @param[in] key The configuration key (SR_CONF_*). |
407 | * @param[in,out] data A pointer to a GVariant where the list will be stored. | |
408 | * The caller is given ownership of the GVariant and must thus | |
bc1c2f00 BV |
409 | * unref the GVariant after use. However if this function |
410 | * returns an error code, the field should be considered | |
411 | * unused, and should not be unreferenced. | |
cbadb856 | 412 | * |
67eb6bcb MH |
413 | * @retval SR_OK Success. |
414 | * @retval SR_ERR Error. | |
415 | * @retval SR_ERR_ARG The driver doesn't know that key, but this is not to be | |
416 | * interpreted as an error by the caller; merely as an indication | |
417 | * that it's not applicable. | |
47117241 UH |
418 | * |
419 | * @since 0.3.0 | |
cbadb856 | 420 | */ |
8f996b89 ML |
421 | SR_API int sr_config_list(const struct sr_dev_driver *driver, |
422 | const struct sr_dev_inst *sdi, | |
53b4680f | 423 | const struct sr_channel_group *cg, |
8f996b89 | 424 | int key, GVariant **data) |
c5fb502f BV |
425 | { |
426 | int ret; | |
427 | ||
6cefe516 | 428 | if (!driver || !data) |
bc1c2f00 | 429 | ret = SR_ERR; |
d8284802 | 430 | else if (!driver->config_list) |
6cefe516 | 431 | ret = SR_ERR_ARG; |
53b4680f | 432 | else if ((ret = driver->config_list(key, data, sdi, cg)) == SR_OK) |
bc1c2f00 | 433 | g_variant_ref_sink(*data); |
c5fb502f BV |
434 | |
435 | return ret; | |
436 | } | |
437 | ||
8bfdc8c4 | 438 | /** |
67eb6bcb | 439 | * Get information about a configuration key, by key. |
a1645fcd | 440 | * |
67eb6bcb | 441 | * @param[in] key The configuration key. |
15cb43d6 | 442 | * |
c89c1c9c | 443 | * @return A pointer to a struct sr_config_info, or NULL if the key |
15cb43d6 | 444 | * was not found. |
47117241 UH |
445 | * |
446 | * @since 0.2.0 | |
15cb43d6 | 447 | */ |
c89c1c9c | 448 | SR_API const struct sr_config_info *sr_config_info_get(int key) |
15cb43d6 BV |
449 | { |
450 | int i; | |
451 | ||
c89c1c9c BV |
452 | for (i = 0; sr_config_info_data[i].key; i++) { |
453 | if (sr_config_info_data[i].key == key) | |
454 | return &sr_config_info_data[i]; | |
15cb43d6 BV |
455 | } |
456 | ||
457 | return NULL; | |
458 | } | |
459 | ||
460 | /** | |
67eb6bcb | 461 | * Get information about a configuration key, by name. |
15cb43d6 | 462 | * |
67eb6bcb | 463 | * @param[in] optname The configuration key. |
a1645fcd | 464 | * |
c89c1c9c | 465 | * @return A pointer to a struct sr_config_info, or NULL if the key |
15cb43d6 | 466 | * was not found. |
47117241 UH |
467 | * |
468 | * @since 0.2.0 | |
a1645fcd | 469 | */ |
c89c1c9c | 470 | SR_API const struct sr_config_info *sr_config_info_name_get(const char *optname) |
a1bb33af | 471 | { |
a1bb33af UH |
472 | int i; |
473 | ||
c89c1c9c BV |
474 | for (i = 0; sr_config_info_data[i].key; i++) { |
475 | if (!strcmp(sr_config_info_data[i].id, optname)) | |
476 | return &sr_config_info_data[i]; | |
a1bb33af UH |
477 | } |
478 | ||
49d0ce50 | 479 | return NULL; |
a1bb33af UH |
480 | } |
481 | ||
7b870c38 | 482 | /** @} */ |