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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 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> | |
45c59c8b BV |
26 | #include "libsigrok.h" |
27 | #include "libsigrok-internal.h" | |
a1bb33af | 28 | |
8bfdc8c4 BV |
29 | |
30 | /* Driver scanning options. */ | |
15cb43d6 | 31 | static struct sr_hwcap_option sr_drvopts[] = { |
b159add3 BV |
32 | {SR_HWOPT_MODEL, SR_T_KEYVALUE, "Model", "model"}, |
33 | {SR_HWOPT_CONN, SR_T_CHAR, "Connection", "conn"}, | |
34 | {SR_HWOPT_SERIALCOMM, SR_T_CHAR, "Serial communication", "serialcomm"}, | |
8bfdc8c4 BV |
35 | {0, 0, NULL, NULL}, |
36 | }; | |
37 | ||
38 | /* Device instance options. */ | |
15cb43d6 | 39 | static struct sr_hwcap_option sr_devopts[] = { |
5a2326a7 UH |
40 | {SR_HWCAP_SAMPLERATE, SR_T_UINT64, "Sample rate", "samplerate"}, |
41 | {SR_HWCAP_CAPTURE_RATIO, SR_T_UINT64, "Pre-trigger capture ratio", "captureratio"}, | |
eb0a3731 | 42 | {SR_HWCAP_PATTERN_MODE, SR_T_CHAR, "Pattern generator mode", "pattern"}, |
4d436e71 | 43 | {SR_HWCAP_RLE, SR_T_BOOL, "Run Length Encoding", "rle"}, |
0fe11789 BV |
44 | {SR_HWCAP_TRIGGER_SLOPE, SR_T_UINT64, "Trigger slope", "triggerslope"}, |
45 | {SR_HWCAP_TRIGGER_SOURCE, SR_T_CHAR, "Trigger source", "triggersource"}, | |
46 | {SR_HWCAP_HORIZ_TRIGGERPOS, SR_T_FLOAT, "Horizontal trigger position", | |
47 | "horiz_triggerpos"}, | |
48 | {SR_HWCAP_BUFFERSIZE, SR_T_UINT64, "Buffer size", "buffersize"}, | |
c1e48618 | 49 | {SR_HWCAP_TIMEBASE, SR_T_RATIONAL_PERIOD, "Time base", "timebase"}, |
3c4976c9 | 50 | {SR_HWCAP_FILTER, SR_T_CHAR, "Filter targets", "filter"}, |
bd8db307 | 51 | {SR_HWCAP_VDIV, SR_T_RATIONAL_VOLT, "Volts/div", "vdiv"}, |
e1c8b2ab | 52 | {SR_HWCAP_COUPLING, SR_T_CHAR, "Coupling", "coupling"}, |
49d0ce50 | 53 | {0, 0, NULL, NULL}, |
a1bb33af UH |
54 | }; |
55 | ||
a61b0e6a | 56 | #ifdef HAVE_LA_DEMO |
c09f0b57 | 57 | extern SR_PRIV struct sr_dev_driver demo_driver_info; |
a61b0e6a | 58 | #endif |
960a75e4 | 59 | #ifdef HAVE_LA_OLS |
c09f0b57 | 60 | extern SR_PRIV struct sr_dev_driver ols_driver_info; |
960a75e4 UH |
61 | #endif |
62 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
c09f0b57 | 63 | extern SR_PRIV struct sr_dev_driver zeroplus_logic_cube_driver_info; |
960a75e4 | 64 | #endif |
5b907f9b | 65 | #ifdef HAVE_LA_ASIX_SIGMA |
c09f0b57 | 66 | extern SR_PRIV struct sr_dev_driver asix_sigma_driver_info; |
5b907f9b | 67 | #endif |
f4314d7e | 68 | #ifdef HAVE_LA_CHRONOVU_LA8 |
c09f0b57 | 69 | extern SR_PRIV struct sr_dev_driver chronovu_la8_driver_info; |
f4314d7e | 70 | #endif |
bffed4fc | 71 | #ifdef HAVE_LA_LINK_MSO19 |
c09f0b57 | 72 | extern SR_PRIV struct sr_dev_driver link_mso19_driver_info; |
bffed4fc | 73 | #endif |
6ed4f044 | 74 | #ifdef HAVE_LA_ALSA |
c09f0b57 | 75 | extern SR_PRIV struct sr_dev_driver alsa_driver_info; |
6ed4f044 | 76 | #endif |
f302a082 | 77 | #ifdef HAVE_LA_FX2LAFW |
c09f0b57 | 78 | extern SR_PRIV struct sr_dev_driver fx2lafw_driver_info; |
f302a082 | 79 | #endif |
3b533202 | 80 | #ifdef HAVE_HW_HANTEK_DSO |
62bb8840 | 81 | extern SR_PRIV struct sr_dev_driver hantek_dso_driver_info; |
3b533202 | 82 | #endif |
ca3d84cc BV |
83 | #ifdef HAVE_HW_GENERICDMM |
84 | extern SR_PRIV struct sr_dev_driver genericdmm_driver_info; | |
85 | #endif | |
e93cdf42 BV |
86 | #ifdef HAVE_HW_AGILENT_DMM |
87 | extern SR_PRIV struct sr_dev_driver agdmm_driver_info; | |
88 | #endif | |
e7edd64f BV |
89 | #ifdef HAVE_HW_FLUKE_DMM |
90 | extern SR_PRIV struct sr_dev_driver flukedmm_driver_info; | |
91 | #endif | |
6ed4f044 | 92 | |
c09f0b57 | 93 | static struct sr_dev_driver *drivers_list[] = { |
a61b0e6a | 94 | #ifdef HAVE_LA_DEMO |
c09f0b57 | 95 | &demo_driver_info, |
a61b0e6a | 96 | #endif |
960a75e4 | 97 | #ifdef HAVE_LA_OLS |
c09f0b57 | 98 | &ols_driver_info, |
960a75e4 UH |
99 | #endif |
100 | #ifdef HAVE_LA_ZEROPLUS_LOGIC_CUBE | |
c09f0b57 | 101 | &zeroplus_logic_cube_driver_info, |
960a75e4 | 102 | #endif |
5b907f9b | 103 | #ifdef HAVE_LA_ASIX_SIGMA |
c09f0b57 | 104 | &asix_sigma_driver_info, |
5b907f9b | 105 | #endif |
f4314d7e | 106 | #ifdef HAVE_LA_CHRONOVU_LA8 |
c09f0b57 | 107 | &chronovu_la8_driver_info, |
f4314d7e | 108 | #endif |
bffed4fc | 109 | #ifdef HAVE_LA_LINK_MSO19 |
c09f0b57 | 110 | &link_mso19_driver_info, |
bffed4fc | 111 | #endif |
6ed4f044 | 112 | #ifdef HAVE_LA_ALSA |
c09f0b57 | 113 | &alsa_driver_info, |
f302a082 JH |
114 | #endif |
115 | #ifdef HAVE_LA_FX2LAFW | |
c09f0b57 | 116 | &fx2lafw_driver_info, |
3b533202 BV |
117 | #endif |
118 | #ifdef HAVE_HW_HANTEK_DSO | |
62bb8840 | 119 | &hantek_dso_driver_info, |
6ed4f044 | 120 | #endif |
ca3d84cc BV |
121 | #ifdef HAVE_HW_GENERICDMM |
122 | &genericdmm_driver_info, | |
e93cdf42 BV |
123 | #endif |
124 | #ifdef HAVE_HW_AGILENT_DMM | |
125 | &agdmm_driver_info, | |
e7edd64f BV |
126 | #endif |
127 | #ifdef HAVE_HW_FLUKE_DMM | |
128 | &flukedmm_driver_info, | |
eb1f1eb4 | 129 | #endif |
050e9219 UH |
130 | NULL, |
131 | }; | |
a1bb33af | 132 | |
a1645fcd | 133 | /** |
cfe064d8 | 134 | * Return the list of supported hardware drivers. |
a1645fcd | 135 | * |
c09f0b57 | 136 | * @return Pointer to the NULL-terminated list of hardware driver pointers. |
a1645fcd | 137 | */ |
cfe064d8 | 138 | SR_API struct sr_dev_driver **sr_driver_list(void) |
a1bb33af | 139 | { |
80bf0426 | 140 | |
c09f0b57 | 141 | return drivers_list; |
a1bb33af UH |
142 | } |
143 | ||
a1645fcd | 144 | /** |
c09f0b57 | 145 | * Initialize a hardware driver. |
a1645fcd | 146 | * |
c09f0b57 | 147 | * @param driver The driver to initialize. |
a1645fcd | 148 | * |
80bf0426 | 149 | * @return SR_OK if all went well, or an error code otherwise. |
a1645fcd | 150 | */ |
cfe064d8 | 151 | SR_API int sr_driver_init(struct sr_dev_driver *driver) |
8722c31e | 152 | { |
8722c31e | 153 | |
80bf0426 BV |
154 | if (driver->init) |
155 | return driver->init(); | |
156 | ||
157 | return SR_OK; | |
158 | } | |
159 | ||
160 | /** | |
161 | * Tell a hardware driver to scan for devices. | |
162 | * | |
a5f2e707 BV |
163 | * In addition to the detection, the devices that are found are also |
164 | * initialized automatically. On some devices, this involves a firmware upload, | |
165 | * or other such measures. | |
166 | * | |
167 | * The order in which the system is scanned for devices is not specified. The | |
168 | * caller should not assume or rely on any specific order. | |
169 | * | |
80bf0426 BV |
170 | * @param driver The driver. |
171 | * @param options A list of struct sr_hwopt options to pass to the driver's | |
172 | * scanner. | |
173 | * | |
174 | * @return A GSList * of struct sr_dev_inst, or NULL if no devices were found. | |
175 | * This list must be freed by the caller, but without freeing the data | |
176 | * pointed to in the list. | |
177 | */ | |
178 | SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options) | |
179 | { | |
180 | ||
181 | if (driver->scan) | |
182 | return driver->scan(options); | |
183 | ||
184 | return NULL; | |
8722c31e BV |
185 | } |
186 | ||
93a04e3b | 187 | SR_PRIV void sr_hw_cleanup_all(void) |
8722c31e | 188 | { |
050e9219 | 189 | int i; |
c09f0b57 | 190 | struct sr_dev_driver **drivers; |
8722c31e | 191 | |
cfe064d8 | 192 | drivers = sr_driver_list(); |
c09f0b57 UH |
193 | for (i = 0; drivers[i]; i++) { |
194 | if (drivers[i]->cleanup) | |
195 | drivers[i]->cleanup(); | |
8722c31e | 196 | } |
8722c31e BV |
197 | } |
198 | ||
df123801 BV |
199 | /** |
200 | * Returns information about the given driver or device instance. | |
201 | * | |
202 | * @param driver The sr_dev_driver struct to query. | |
203 | * @param id The type of information, in the form of an SR_HWCAP_* option. | |
204 | * @param data Pointer where the value. will be stored. Must not be NULL. | |
205 | * @param sdi Pointer to the struct sr_dev_inst to be checked. Must not be NULL. | |
206 | * | |
207 | * @return SR_OK upon success or SR_ERR in case of error. Note SR_ERR_ARG | |
208 | * may be returned by the driver indicating it doesn't know that id, | |
209 | * but this is not to be flagged as an error by the caller; merely | |
210 | * as an indication that it's not applicable. | |
211 | */ | |
212 | SR_API int sr_info_get(struct sr_dev_driver *driver, int id, | |
213 | const void **data, const struct sr_dev_inst *sdi) | |
214 | { | |
215 | int ret; | |
216 | ||
217 | if (driver == NULL || data == NULL) | |
218 | return SR_ERR; | |
219 | ||
220 | ret = driver->info_get(id, data, sdi); | |
221 | ||
222 | return ret; | |
223 | } | |
224 | ||
a1645fcd | 225 | /** |
c09f0b57 | 226 | * Find out if a hardware driver has a specific capability. |
a1645fcd | 227 | * |
c09f0b57 | 228 | * @param driver The hardware driver in which to search for the capability. |
a1645fcd BV |
229 | * @param hwcap The capability to find in the list. |
230 | * | |
c496ac97 UH |
231 | * @return TRUE if the specified capability exists in the specified driver, |
232 | * FALSE otherwise. Also, if 'driver' is NULL or the respective driver | |
233 | * returns an invalid capability list, FALSE is returned. | |
a1645fcd | 234 | */ |
cfe064d8 | 235 | SR_API gboolean sr_driver_hwcap_exists(struct sr_dev_driver *driver, int hwcap) |
a1bb33af | 236 | { |
915f7cc8 JH |
237 | const int *hwcaps; |
238 | int i; | |
a1bb33af | 239 | |
c496ac97 UH |
240 | if (!driver) { |
241 | sr_err("hwdriver: %s: driver was NULL", __func__); | |
242 | return FALSE; | |
243 | } | |
244 | ||
be34a1c7 | 245 | if (driver->info_get(SR_DI_HWCAPS, (const void **)&hwcaps, NULL) != SR_OK) |
c496ac97 | 246 | return FALSE; |
c496ac97 | 247 | |
ffedd0bf UH |
248 | for (i = 0; hwcaps[i]; i++) { |
249 | if (hwcaps[i] == hwcap) | |
a1bb33af | 250 | return TRUE; |
49d0ce50 | 251 | } |
a1bb33af UH |
252 | |
253 | return FALSE; | |
254 | } | |
255 | ||
8bfdc8c4 | 256 | /** |
48a486cd | 257 | * Get information about a hardware driver option. |
8bfdc8c4 | 258 | * |
15cb43d6 | 259 | * @param opt The option to get. |
8bfdc8c4 | 260 | * |
15cb43d6 BV |
261 | * @return A pointer to a struct sr_hwcap_option, or NULL if the option |
262 | * was not found. | |
8bfdc8c4 | 263 | */ |
15cb43d6 | 264 | SR_API const struct sr_hwcap_option *sr_drvopt_get(int opt) |
8bfdc8c4 BV |
265 | { |
266 | int i; | |
267 | ||
268 | for (i = 0; sr_drvopts[i].hwcap; i++) { | |
15cb43d6 BV |
269 | if (sr_drvopts[i].hwcap == opt) |
270 | return &sr_drvopts[i]; | |
271 | } | |
272 | ||
273 | return NULL; | |
274 | } | |
275 | ||
276 | /** | |
277 | * Get information about a hardware driver option, by name. | |
278 | * | |
279 | * @param optname The name of the option to get. | |
280 | * | |
281 | * @return A pointer to a struct sr_hwcap_option, or NULL if the option | |
282 | * was not found. | |
283 | */ | |
284 | SR_API const struct sr_hwcap_option *sr_drvopt_name_get(const char *optname) | |
285 | { | |
286 | int i; | |
287 | ||
288 | for (i = 0; sr_drvopts[i].hwcap; i++) { | |
289 | if (!strcmp(sr_drvopts[i].shortname, optname)) | |
8bfdc8c4 BV |
290 | return &sr_drvopts[i]; |
291 | } | |
292 | ||
293 | return NULL; | |
294 | } | |
295 | ||
a1645fcd | 296 | /** |
48a486cd | 297 | * Get information about a device option. |
a1645fcd | 298 | * |
15cb43d6 BV |
299 | * @param opt The option to get. |
300 | * | |
301 | * @return A pointer to a struct sr_hwcap_option, or NULL if the option | |
302 | * was not found. | |
303 | */ | |
304 | SR_API const struct sr_hwcap_option *sr_devopt_get(int opt) | |
305 | { | |
306 | int i; | |
307 | ||
308 | for (i = 0; sr_devopts[i].hwcap; i++) { | |
309 | if (sr_devopts[i].hwcap == opt) | |
310 | return &sr_devopts[i]; | |
311 | } | |
312 | ||
313 | return NULL; | |
314 | } | |
315 | ||
316 | /** | |
317 | * Get information about a device option, by name. | |
318 | * | |
319 | * @param optname The name of the option to get. | |
a1645fcd | 320 | * |
15cb43d6 BV |
321 | * @return A pointer to a struct sr_hwcap_option, or NULL if the option |
322 | * was not found. | |
a1645fcd | 323 | */ |
15cb43d6 | 324 | SR_API const struct sr_hwcap_option *sr_devopt_name_get(const char *optname) |
a1bb33af | 325 | { |
a1bb33af UH |
326 | int i; |
327 | ||
15cb43d6 BV |
328 | for (i = 0; sr_devopts[i].hwcap; i++) { |
329 | if (!strcmp(sr_devopts[i].shortname, optname)) | |
330 | return &sr_devopts[i]; | |
a1bb33af UH |
331 | } |
332 | ||
49d0ce50 | 333 | return NULL; |
a1bb33af UH |
334 | } |
335 | ||
69cfcfc8 | 336 | /* Unnecessary level of indirection follows. */ |
544a4582 | 337 | |
69cfcfc8 | 338 | SR_PRIV int sr_source_remove(int fd) |
a1bb33af | 339 | { |
69cfcfc8 | 340 | return sr_session_source_remove(fd); |
a1bb33af UH |
341 | } |
342 | ||
69cfcfc8 UH |
343 | SR_PRIV int sr_source_add(int fd, int events, int timeout, |
344 | sr_receive_data_callback_t cb, void *cb_data) | |
a1bb33af | 345 | { |
69cfcfc8 | 346 | return sr_session_source_add(fd, events, timeout, cb, cb_data); |
a1bb33af | 347 | } |