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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
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 | |
bd36d826 UH |
30 | /* Message logging helpers with driver-specific prefix string. */ |
31 | #define DRIVER_LOG_DOMAIN "hwdriver: " | |
32 | #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) | |
33 | #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) | |
34 | #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) | |
35 | #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) | |
36 | #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) | |
37 | #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) | |
38 | ||
393fb9cb UH |
39 | /** |
40 | * @file | |
41 | * | |
42 | * Hardware driver handling in libsigrok. | |
43 | */ | |
44 | ||
7b870c38 UH |
45 | /** |
46 | * @defgroup grp_driver Hardware drivers | |
47 | * | |
48 | * Hardware driver handling in libsigrok. | |
49 | * | |
50 | * @{ | |
51 | */ | |
8bfdc8c4 | 52 | |
c89c1c9c | 53 | static struct sr_config_info sr_config_info_data[] = { |
1953564a | 54 | {SR_CONF_CONN, SR_T_CHAR, "conn", |
083d64f9 | 55 | "Connection", NULL}, |
1953564a | 56 | {SR_CONF_SERIALCOMM, SR_T_CHAR, "serialcomm", |
083d64f9 | 57 | "Serial communication", NULL}, |
1953564a | 58 | {SR_CONF_SAMPLERATE, SR_T_UINT64, "samplerate", |
083d64f9 | 59 | "Sample rate", NULL}, |
1953564a | 60 | {SR_CONF_CAPTURE_RATIO, SR_T_UINT64, "captureratio", |
083d64f9 | 61 | "Pre-trigger capture ratio", NULL}, |
1953564a | 62 | {SR_CONF_PATTERN_MODE, SR_T_CHAR, "pattern", |
083d64f9 | 63 | "Pattern generator mode", NULL}, |
1953564a | 64 | {SR_CONF_RLE, SR_T_BOOL, "rle", |
083d64f9 | 65 | "Run Length Encoding", NULL}, |
1953564a | 66 | {SR_CONF_TRIGGER_SLOPE, SR_T_UINT64, "triggerslope", |
083d64f9 | 67 | "Trigger slope", NULL}, |
1953564a | 68 | {SR_CONF_TRIGGER_SOURCE, SR_T_CHAR, "triggersource", |
083d64f9 | 69 | "Trigger source", NULL}, |
1953564a | 70 | {SR_CONF_HORIZ_TRIGGERPOS, SR_T_FLOAT, "horiz_triggerpos", |
083d64f9 | 71 | "Horizontal trigger position", NULL}, |
1953564a | 72 | {SR_CONF_BUFFERSIZE, SR_T_UINT64, "buffersize", |
083d64f9 | 73 | "Buffer size", NULL}, |
1953564a | 74 | {SR_CONF_TIMEBASE, SR_T_RATIONAL_PERIOD, "timebase", |
083d64f9 | 75 | "Time base", NULL}, |
1953564a | 76 | {SR_CONF_FILTER, SR_T_CHAR, "filter", |
083d64f9 | 77 | "Filter targets", NULL}, |
1953564a | 78 | {SR_CONF_VDIV, SR_T_RATIONAL_VOLT, "vdiv", |
083d64f9 | 79 | "Volts/div", NULL}, |
1953564a | 80 | {SR_CONF_COUPLING, SR_T_CHAR, "coupling", |
083d64f9 | 81 | "Coupling", NULL}, |
e6551ea6 BV |
82 | {SR_CONF_DATALOG, SR_T_BOOL, "datalog", |
83 | "Datalog", NULL}, | |
083d64f9 | 84 | {0, 0, NULL, NULL, NULL}, |
a1bb33af UH |
85 | }; |
86 | ||
b4bd7088 | 87 | /** @cond PRIVATE */ |
20cbc785 | 88 | #ifdef HAVE_HW_BRYMEN_DMM |
c5d6f5cc | 89 | extern SR_PRIV struct sr_dev_driver brymen_bm857_driver_info; |
20cbc785 | 90 | #endif |
4d729ddc BV |
91 | #ifdef HAVE_HW_COLEAD_SLM |
92 | extern SR_PRIV struct sr_dev_driver colead_slm_driver_info; | |
93 | #endif | |
a61b0e6a | 94 | #ifdef HAVE_LA_DEMO |
c09f0b57 | 95 | extern SR_PRIV struct sr_dev_driver demo_driver_info; |
a61b0e6a | 96 | #endif |
46697e38 BV |
97 | #ifdef HAVE_HW_LASCAR_EL_USB |
98 | extern SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info; | |
99 | #endif | |
7ec5b549 | 100 | #ifdef HAVE_HW_MIC_985XX |
6f3e5335 | 101 | extern SR_PRIV struct sr_dev_driver mic_98581_driver_info; |
0cd8e231 | 102 | extern SR_PRIV struct sr_dev_driver mic_98583_driver_info; |
7ec5b549 | 103 | #endif |
35a078bc BV |
104 | #ifdef HAVE_HW_NEXUS_OSCIPRIME |
105 | extern SR_PRIV struct sr_dev_driver nexus_osciprime_driver_info; | |
106 | #endif | |
960a75e4 | 107 | #ifdef HAVE_LA_OLS |
c09f0b57 | 108 | extern SR_PRIV struct sr_dev_driver ols_driver_info; |
960a75e4 | 109 | #endif |
f4816ac6 ML |
110 | #ifdef HAVE_HW_RIGOL_DS1XX2 |
111 | extern SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info; | |
112 | #endif | |
aa2af324 UH |
113 | #ifdef HAVE_HW_TONDAJ_SL_814 |
114 | extern SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info; | |
115 | #endif | |
ac3898d2 BV |
116 | #ifdef HAVE_HW_VICTOR_DMM |
117 | extern SR_PRIV struct sr_dev_driver victor_dmm_driver_info; | |
118 | #endif | |
960a75e4 | 119 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE |
c09f0b57 | 120 | extern SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info; |
960a75e4 | 121 | #endif |
5b907f9b | 122 | #ifdef HAVE_LA_ASIX_SIGMA |
c09f0b57 | 123 | extern SR_PRIV struct sr_dev_driver asix_sigma_driver_info; |
5b907f9b | 124 | #endif |
f4314d7e | 125 | #ifdef HAVE_LA_CHRONOVU_LA8 |
c09f0b57 | 126 | extern SR_PRIV struct sr_dev_driver chronovu_la8_driver_info; |
f4314d7e | 127 | #endif |
bffed4fc | 128 | #ifdef HAVE_LA_LINK_MSO19 |
c09f0b57 | 129 | extern SR_PRIV struct sr_dev_driver link_mso19_driver_info; |
bffed4fc | 130 | #endif |
0254651d | 131 | #ifdef HAVE_HW_ALSA |
c09f0b57 | 132 | extern SR_PRIV struct sr_dev_driver alsa_driver_info; |
6ed4f044 | 133 | #endif |
f302a082 | 134 | #ifdef HAVE_LA_FX2LAFW |
c09f0b57 | 135 | extern SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
f302a082 | 136 | #endif |
3b533202 | 137 | #ifdef HAVE_HW_HANTEK_DSO |
62bb8840 | 138 | extern SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
3b533202 | 139 | #endif |
e93cdf42 BV |
140 | #ifdef HAVE_HW_AGILENT_DMM |
141 | extern SR_PRIV struct sr_dev_driver agdmm_driver_info; | |
142 | #endif | |
e7edd64f BV |
143 | #ifdef HAVE_HW_FLUKE_DMM |
144 | extern SR_PRIV struct sr_dev_driver flukedmm_driver_info; | |
145 | #endif | |
21a7f269 | 146 | #ifdef HAVE_HW_SERIAL_DMM |
f086b830 | 147 | extern SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info; |
729b01f9 | 148 | extern SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info; |
ce3777ad | 149 | extern SR_PRIV struct sr_dev_driver metex_me31_driver_info; |
f0ac4929 | 150 | extern SR_PRIV struct sr_dev_driver peaktech_3410_driver_info; |
5887c9cc | 151 | extern SR_PRIV struct sr_dev_driver mastech_mas345_driver_info; |
6dca2f16 | 152 | extern SR_PRIV struct sr_dev_driver va_va18b_driver_info; |
a53da082 | 153 | extern SR_PRIV struct sr_dev_driver metex_m3640d_driver_info; |
a376ffea | 154 | extern SR_PRIV struct sr_dev_driver peaktech_4370_driver_info; |
d4bd66a0 | 155 | extern SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info; |
d5ce233f | 156 | extern SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info; |
3864648b | 157 | extern SR_PRIV struct sr_dev_driver radioshack_22_805_driver_info; |
21829e67 | 158 | extern SR_PRIV struct sr_dev_driver radioshack_22_812_driver_info; |
40830061 | 159 | extern SR_PRIV struct sr_dev_driver voltcraft_vc820_ser_driver_info; |
54d11221 | 160 | extern SR_PRIV struct sr_dev_driver voltcraft_vc840_ser_driver_info; |
986fde75 | 161 | extern SR_PRIV struct sr_dev_driver uni_t_ut61e_ser_driver_info; |
7dc55d93 | 162 | #endif |
79081ec8 | 163 | #ifdef HAVE_HW_UNI_T_DMM |
fdbcb86d UH |
164 | extern SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info; |
165 | extern SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info; | |
79081ec8 | 166 | #endif |
b4bd7088 | 167 | /** @endcond */ |
6ed4f044 | 168 | |
c09f0b57 | 169 | static struct sr_dev_driver *drivers_list[] = { |
20cbc785 | 170 | #ifdef HAVE_HW_BRYMEN_DMM |
c5d6f5cc | 171 | &brymen_bm857_driver_info, |
20cbc785 | 172 | #endif |
4d729ddc BV |
173 | #ifdef HAVE_HW_COLEAD_SLM |
174 | &colead_slm_driver_info, | |
175 | #endif | |
a61b0e6a | 176 | #ifdef HAVE_LA_DEMO |
c09f0b57 | 177 | &demo_driver_info, |
a61b0e6a | 178 | #endif |
46697e38 BV |
179 | #ifdef HAVE_HW_LASCAR_EL_USB |
180 | &lascar_el_usb_driver_info, | |
181 | #endif | |
7ec5b549 | 182 | #ifdef HAVE_HW_MIC_985XX |
6f3e5335 | 183 | &mic_98581_driver_info, |
0cd8e231 | 184 | &mic_98583_driver_info, |
7ec5b549 | 185 | #endif |
35a078bc BV |
186 | #ifdef HAVE_HW_NEXUS_OSCIPRIME |
187 | &nexus_osciprime_driver_info, | |
188 | #endif | |
960a75e4 | 189 | #ifdef HAVE_LA_OLS |
c09f0b57 | 190 | &ols_driver_info, |
960a75e4 | 191 | #endif |
f4816ac6 ML |
192 | #ifdef HAVE_HW_RIGOL_DS1XX2 |
193 | &rigol_ds1xx2_driver_info, | |
194 | #endif | |
aa2af324 UH |
195 | #ifdef HAVE_HW_TONDAJ_SL_814 |
196 | &tondaj_sl_814_driver_info, | |
197 | #endif | |
ac3898d2 BV |
198 | #ifdef HAVE_HW_VICTOR_DMM |
199 | &victor_dmm_driver_info, | |
200 | #endif | |
960a75e4 | 201 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE |
c09f0b57 | 202 | &zeroplus_logic_cube_driver_info, |
960a75e4 | 203 | #endif |
5b907f9b | 204 | #ifdef HAVE_LA_ASIX_SIGMA |
c09f0b57 | 205 | &asix_sigma_driver_info, |
5b907f9b | 206 | #endif |
f4314d7e | 207 | #ifdef HAVE_LA_CHRONOVU_LA8 |
c09f0b57 | 208 | &chronovu_la8_driver_info, |
f4314d7e | 209 | #endif |
bffed4fc | 210 | #ifdef HAVE_LA_LINK_MSO19 |
c09f0b57 | 211 | &link_mso19_driver_info, |
bffed4fc | 212 | #endif |
0254651d | 213 | #ifdef HAVE_HW_ALSA |
c09f0b57 | 214 | &alsa_driver_info, |
f302a082 JH |
215 | #endif |
216 | #ifdef HAVE_LA_FX2LAFW | |
c09f0b57 | 217 | &fx2lafw_driver_info, |
3b533202 BV |
218 | #endif |
219 | #ifdef HAVE_HW_HANTEK_DSO | |
62bb8840 | 220 | &hantek_dso_driver_info, |
6ed4f044 | 221 | #endif |
e93cdf42 BV |
222 | #ifdef HAVE_HW_AGILENT_DMM |
223 | &agdmm_driver_info, | |
e7edd64f BV |
224 | #endif |
225 | #ifdef HAVE_HW_FLUKE_DMM | |
226 | &flukedmm_driver_info, | |
d375b3c3 | 227 | #endif |
21a7f269 | 228 | #ifdef HAVE_HW_SERIAL_DMM |
f086b830 | 229 | &digitek_dt4000zc_driver_info, |
729b01f9 | 230 | &tekpower_tp4000zc_driver_info, |
ce3777ad | 231 | &metex_me31_driver_info, |
f0ac4929 | 232 | &peaktech_3410_driver_info, |
5887c9cc | 233 | &mastech_mas345_driver_info, |
6dca2f16 | 234 | &va_va18b_driver_info, |
a53da082 | 235 | &metex_m3640d_driver_info, |
a376ffea | 236 | &peaktech_4370_driver_info, |
d4bd66a0 | 237 | &pce_pce_dm32_driver_info, |
d5ce233f | 238 | &radioshack_22_168_driver_info, |
3864648b | 239 | &radioshack_22_805_driver_info, |
21829e67 | 240 | &radioshack_22_812_driver_info, |
40830061 | 241 | &voltcraft_vc820_ser_driver_info, |
54d11221 | 242 | &voltcraft_vc840_ser_driver_info, |
986fde75 | 243 | &uni_t_ut61e_ser_driver_info, |
79081ec8 UH |
244 | #endif |
245 | #ifdef HAVE_HW_UNI_T_DMM | |
fdbcb86d UH |
246 | &uni_t_ut61d_driver_info, |
247 | &voltcraft_vc820_driver_info, | |
eb1f1eb4 | 248 | #endif |
050e9219 UH |
249 | NULL, |
250 | }; | |
a1bb33af | 251 | |
a1645fcd | 252 | /** |
cfe064d8 | 253 | * Return the list of supported hardware drivers. |
a1645fcd | 254 | * |
c09f0b57 | 255 | * @return Pointer to the NULL-terminated list of hardware driver pointers. |
a1645fcd | 256 | */ |
cfe064d8 | 257 | SR_API struct sr_dev_driver **sr_driver_list(void) |
a1bb33af | 258 | { |
80bf0426 | 259 | |
c09f0b57 | 260 | return drivers_list; |
a1bb33af UH |
261 | } |
262 | ||
a1645fcd | 263 | /** |
c09f0b57 | 264 | * Initialize a hardware driver. |
a1645fcd | 265 | * |
c0eea11c UH |
266 | * This usually involves memory allocations and variable initializations |
267 | * within the driver, but _not_ scanning for attached devices. | |
268 | * The API call sr_driver_scan() is used for that. | |
269 | * | |
44fc870c | 270 | * @param ctx A libsigrok context object allocated by a previous call to |
c0eea11c UH |
271 | * sr_init(). Must not be NULL. |
272 | * @param driver The driver to initialize. This must be a pointer to one of | |
273 | * the entries returned by sr_driver_list(). Must not be NULL. | |
a1645fcd | 274 | * |
c0eea11c UH |
275 | * @return SR_OK upon success, SR_ERR_ARG upon invalid parameters, |
276 | * SR_ERR_BUG upon internal errors, or another negative error code | |
277 | * upon other errors. | |
a1645fcd | 278 | */ |
44fc870c | 279 | SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver) |
8722c31e | 280 | { |
c0eea11c UH |
281 | int ret; |
282 | ||
283 | if (!ctx) { | |
284 | sr_err("Invalid libsigrok context, can't initialize."); | |
285 | return SR_ERR_ARG; | |
286 | } | |
287 | ||
288 | if (!driver) { | |
289 | sr_err("Invalid driver, can't initialize."); | |
290 | return SR_ERR_ARG; | |
291 | } | |
8722c31e | 292 | |
c0eea11c UH |
293 | sr_spew("Initializing driver '%s'.", driver->name); |
294 | if ((ret = driver->init(ctx)) < 0) | |
295 | sr_err("Failed to initialize the driver: %d.", ret); | |
80bf0426 | 296 | |
c0eea11c | 297 | return ret; |
80bf0426 BV |
298 | } |
299 | ||
300 | /** | |
301 | * Tell a hardware driver to scan for devices. | |
302 | * | |
a5f2e707 BV |
303 | * In addition to the detection, the devices that are found are also |
304 | * initialized automatically. On some devices, this involves a firmware upload, | |
305 | * or other such measures. | |
306 | * | |
307 | * The order in which the system is scanned for devices is not specified. The | |
308 | * caller should not assume or rely on any specific order. | |
309 | * | |
4b97c74e UH |
310 | * Before calling sr_driver_scan(), the user must have previously initialized |
311 | * the driver by calling sr_driver_init(). | |
80bf0426 | 312 | * |
4b97c74e UH |
313 | * @param driver The driver that should scan. This must be a pointer to one of |
314 | * the entries returned by sr_driver_list(). Must not be NULL. | |
315 | * @param options A list of 'struct sr_hwopt' options to pass to the driver's | |
316 | * scanner. Can be NULL/empty. | |
317 | * | |
318 | * @return A GSList * of 'struct sr_dev_inst', or NULL if no devices were | |
319 | * found (or errors were encountered). This list must be freed by the | |
320 | * caller using g_slist_free(), but without freeing the data pointed | |
321 | * to in the list. | |
80bf0426 BV |
322 | */ |
323 | SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options) | |
324 | { | |
4b97c74e UH |
325 | GSList *l; |
326 | ||
327 | if (!driver) { | |
328 | sr_err("Invalid driver, can't scan for devices."); | |
329 | return NULL; | |
330 | } | |
331 | ||
332 | if (!driver->priv) { | |
333 | sr_err("Driver not initialized, can't scan for devices."); | |
334 | return NULL; | |
335 | } | |
336 | ||
337 | l = driver->scan(options); | |
80bf0426 | 338 | |
4b97c74e UH |
339 | sr_spew("Scan of '%s' found %d devices.", driver->name, |
340 | g_slist_length(l)); | |
80bf0426 | 341 | |
4b97c74e | 342 | return l; |
8722c31e BV |
343 | } |
344 | ||
b4bd7088 | 345 | /** @private */ |
93a04e3b | 346 | SR_PRIV void sr_hw_cleanup_all(void) |
8722c31e | 347 | { |
050e9219 | 348 | int i; |
c09f0b57 | 349 | struct sr_dev_driver **drivers; |
8722c31e | 350 | |
cfe064d8 | 351 | drivers = sr_driver_list(); |
c09f0b57 UH |
352 | for (i = 0; drivers[i]; i++) { |
353 | if (drivers[i]->cleanup) | |
354 | drivers[i]->cleanup(); | |
8722c31e | 355 | } |
8722c31e BV |
356 | } |
357 | ||
3ebce226 | 358 | SR_PRIV struct sr_config *sr_config_new(int key, const void *value) |
4c0e310c BV |
359 | { |
360 | struct sr_config *src; | |
361 | ||
362 | if (!(src = g_try_malloc(sizeof(struct sr_config)))) | |
363 | return NULL; | |
364 | src->key = key; | |
365 | src->value = value; | |
366 | ||
367 | return src; | |
368 | } | |
369 | ||
df123801 BV |
370 | /** |
371 | * Returns information about the given driver or device instance. | |
372 | * | |
373 | * @param driver The sr_dev_driver struct to query. | |
cbadb856 BV |
374 | * @param key The configuration key (SR_CONF_*). |
375 | * @param data Pointer where the value will be stored. Must not be NULL. | |
376 | * @param sdi If the key is specific to a device, this must contain a | |
377 | * pointer to the struct sr_dev_inst to be checked. | |
df123801 BV |
378 | * |
379 | * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG | |
cbadb856 | 380 | * may be returned by the driver indicating it doesn't know that key, |
df123801 BV |
381 | * but this is not to be flagged as an error by the caller; merely |
382 | * as an indication that it's not applicable. | |
383 | */ | |
9fd504b9 | 384 | SR_API int sr_config_get(const struct sr_dev_driver *driver, int key, |
df123801 BV |
385 | const void **data, const struct sr_dev_inst *sdi) |
386 | { | |
387 | int ret; | |
388 | ||
cbadb856 | 389 | if (!driver || !data) |
df123801 BV |
390 | return SR_ERR; |
391 | ||
cbadb856 | 392 | ret = driver->config_get(key, data, sdi); |
df123801 BV |
393 | |
394 | return ret; | |
395 | } | |
396 | ||
cbadb856 BV |
397 | /** |
398 | * Set a configuration key in a device instance. | |
399 | * | |
400 | * @param sdi The device instance. | |
401 | * @param key The configuration key (SR_CONF_*). | |
402 | * @param value The new value for the key, as a pointer to whatever type | |
403 | * is appropriate for that key. | |
404 | * | |
405 | * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG | |
406 | * may be returned by the driver indicating it doesn't know that key, | |
407 | * but this is not to be flagged as an error by the caller; merely | |
408 | * as an indication that it's not applicable. | |
409 | */ | |
410 | SR_API int sr_config_set(const struct sr_dev_inst *sdi, int key, | |
411 | const void *value) | |
412 | { | |
413 | int ret; | |
414 | ||
140185af | 415 | if (!sdi || !sdi->driver || !value) |
cbadb856 BV |
416 | return SR_ERR; |
417 | ||
418 | if (!sdi->driver->config_set) | |
419 | return SR_ERR_ARG; | |
420 | ||
421 | ret = sdi->driver->config_set(key, value, sdi); | |
422 | ||
423 | return ret; | |
424 | } | |
425 | ||
426 | /** | |
427 | * List all possible values for a configuration key. | |
428 | * | |
429 | * @param driver The sr_dev_driver struct to query. | |
430 | * @param key The configuration key (SR_CONF_*). | |
431 | * @param data A pointer to a list of values, in whatever format is | |
432 | * appropriate for that key. | |
433 | * @param sdi If the key is specific to a device, this must contain a | |
434 | * pointer to the struct sr_dev_inst to be checked. | |
435 | * | |
436 | * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG | |
437 | * may be returned by the driver indicating it doesn't know that key, | |
438 | * but this is not to be flagged as an error by the caller; merely | |
439 | * as an indication that it's not applicable. | |
440 | */ | |
4c961f5e | 441 | SR_API int sr_config_list(const struct sr_dev_driver *driver, int key, |
c5fb502f BV |
442 | const void **data, const struct sr_dev_inst *sdi) |
443 | { | |
444 | int ret; | |
445 | ||
cbadb856 | 446 | if (!driver || !data) |
c5fb502f BV |
447 | return SR_ERR; |
448 | ||
cbadb856 | 449 | ret = driver->config_list(key, data, sdi); |
c5fb502f BV |
450 | |
451 | return ret; | |
452 | } | |
453 | ||
8bfdc8c4 | 454 | /** |
cbadb856 | 455 | * Get information about a configuration key. |
a1645fcd | 456 | * |
ca0938c5 | 457 | * @param key The configuration key. |
15cb43d6 | 458 | * |
c89c1c9c | 459 | * @return A pointer to a struct sr_config_info, or NULL if the key |
15cb43d6 BV |
460 | * was not found. |
461 | */ | |
c89c1c9c | 462 | SR_API const struct sr_config_info *sr_config_info_get(int key) |
15cb43d6 BV |
463 | { |
464 | int i; | |
465 | ||
c89c1c9c BV |
466 | for (i = 0; sr_config_info_data[i].key; i++) { |
467 | if (sr_config_info_data[i].key == key) | |
468 | return &sr_config_info_data[i]; | |
15cb43d6 BV |
469 | } |
470 | ||
471 | return NULL; | |
472 | } | |
473 | ||
474 | /** | |
cbadb856 | 475 | * Get information about an configuration key, by name. |
15cb43d6 | 476 | * |
cbadb856 | 477 | * @param optname The configuration key. |
a1645fcd | 478 | * |
c89c1c9c | 479 | * @return A pointer to a struct sr_config_info, or NULL if the key |
15cb43d6 | 480 | * was not found. |
a1645fcd | 481 | */ |
c89c1c9c | 482 | SR_API const struct sr_config_info *sr_config_info_name_get(const char *optname) |
a1bb33af | 483 | { |
a1bb33af UH |
484 | int i; |
485 | ||
c89c1c9c BV |
486 | for (i = 0; sr_config_info_data[i].key; i++) { |
487 | if (!strcmp(sr_config_info_data[i].id, optname)) | |
488 | return &sr_config_info_data[i]; | |
a1bb33af UH |
489 | } |
490 | ||
49d0ce50 | 491 | return NULL; |
a1bb33af UH |
492 | } |
493 | ||
69cfcfc8 | 494 | /* Unnecessary level of indirection follows. */ |
544a4582 | 495 | |
b4bd7088 | 496 | /** @private */ |
69cfcfc8 | 497 | SR_PRIV int sr_source_remove(int fd) |
a1bb33af | 498 | { |
69cfcfc8 | 499 | return sr_session_source_remove(fd); |
a1bb33af UH |
500 | } |
501 | ||
b4bd7088 | 502 | /** @private */ |
69cfcfc8 UH |
503 | SR_PRIV int sr_source_add(int fd, int events, int timeout, |
504 | sr_receive_data_callback_t cb, void *cb_data) | |
a1bb33af | 505 | { |
69cfcfc8 | 506 | return sr_session_source_add(fd, events, timeout, cb, cb_data); |
a1bb33af | 507 | } |
7b870c38 UH |
508 | |
509 | /** @} */ |