]>
Commit | Line | Data |
---|---|---|
f4816ac6 ML |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Martin Ling <martin-git@earth.li> | |
88e429c9 | 5 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> |
f4816ac6 ML |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
e0b7d23c ML |
21 | #include <fcntl.h> |
22 | #include <unistd.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
f4816ac6 ML |
25 | #include <glib.h> |
26 | #include "libsigrok.h" | |
27 | #include "libsigrok-internal.h" | |
28 | #include "protocol.h" | |
29 | ||
d62d7ad1 BV |
30 | #define NUM_TIMEBASE 12 |
31 | #define NUM_VDIV 8 | |
32 | ||
f6a0ac9f | 33 | static const int32_t hwcaps[] = { |
1953564a BV |
34 | SR_CONF_OSCILLOSCOPE, |
35 | SR_CONF_LIMIT_SAMPLES, | |
36 | SR_CONF_TIMEBASE, | |
37 | SR_CONF_TRIGGER_SOURCE, | |
38 | SR_CONF_TRIGGER_SLOPE, | |
39 | SR_CONF_HORIZ_TRIGGERPOS, | |
40 | SR_CONF_VDIV, | |
41 | SR_CONF_COUPLING, | |
d62d7ad1 BV |
42 | SR_CONF_NUM_TIMEBASE, |
43 | SR_CONF_NUM_VDIV, | |
e0b7d23c ML |
44 | }; |
45 | ||
f6a0ac9f | 46 | static const uint64_t timebases[][2] = { |
e0b7d23c ML |
47 | /* nanoseconds */ |
48 | { 2, 1000000000 }, | |
49 | { 5, 1000000000 }, | |
50 | { 10, 1000000000 }, | |
51 | { 20, 1000000000 }, | |
52 | { 50, 1000000000 }, | |
53 | { 100, 1000000000 }, | |
54 | { 500, 1000000000 }, | |
55 | /* microseconds */ | |
56 | { 1, 1000000 }, | |
57 | { 2, 1000000 }, | |
58 | { 5, 1000000 }, | |
59 | { 10, 1000000 }, | |
60 | { 20, 1000000 }, | |
61 | { 50, 1000000 }, | |
62 | { 100, 1000000 }, | |
63 | { 200, 1000000 }, | |
64 | { 500, 1000000 }, | |
65 | /* milliseconds */ | |
66 | { 1, 1000 }, | |
67 | { 2, 1000 }, | |
68 | { 5, 1000 }, | |
69 | { 10, 1000 }, | |
70 | { 20, 1000 }, | |
71 | { 50, 1000 }, | |
72 | { 100, 1000 }, | |
73 | { 200, 1000 }, | |
74 | { 500, 1000 }, | |
75 | /* seconds */ | |
76 | { 1, 1 }, | |
77 | { 2, 1 }, | |
78 | { 5, 1 }, | |
79 | { 10, 1 }, | |
80 | { 20, 1 }, | |
81 | { 50, 1 }, | |
e0b7d23c ML |
82 | }; |
83 | ||
f6a0ac9f | 84 | static const uint64_t vdivs[][2] = { |
e0b7d23c ML |
85 | /* millivolts */ |
86 | { 2, 1000 }, | |
87 | { 5, 1000 }, | |
88 | { 10, 1000 }, | |
89 | { 20, 1000 }, | |
90 | { 50, 1000 }, | |
91 | { 100, 1000 }, | |
92 | { 200, 1000 }, | |
93 | { 500, 1000 }, | |
94 | /* volts */ | |
95 | { 1, 1 }, | |
96 | { 2, 1 }, | |
97 | { 5, 1 }, | |
98 | { 10, 1 }, | |
e0b7d23c ML |
99 | }; |
100 | ||
101 | static const char *trigger_sources[] = { | |
102 | "CH1", | |
103 | "CH2", | |
104 | "EXT", | |
105 | "AC Line", | |
e0b7d23c ML |
106 | }; |
107 | ||
108 | static const char *coupling[] = { | |
109 | "AC", | |
110 | "DC", | |
111 | "GND", | |
e0b7d23c ML |
112 | }; |
113 | ||
512bb890 BV |
114 | static const char *supported_models[] = { |
115 | "DS1052E", | |
116 | "DS1102E", | |
117 | "DS1052D", | |
333bf022 | 118 | "DS1102D", |
512bb890 BV |
119 | }; |
120 | ||
f4816ac6 ML |
121 | SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info; |
122 | static struct sr_dev_driver *di = &rigol_ds1xx2_driver_info; | |
123 | ||
124 | /* Properly close and free all devices. */ | |
125 | static int clear_instances(void) | |
126 | { | |
127 | struct sr_dev_inst *sdi; | |
128 | struct drv_context *drvc; | |
129 | struct dev_context *devc; | |
130 | GSList *l; | |
131 | ||
132 | if (!(drvc = di->priv)) | |
133 | return SR_OK; | |
134 | ||
135 | for (l = drvc->instances; l; l = l->next) { | |
136 | if (!(sdi = l->data)) | |
137 | continue; | |
138 | if (!(devc = sdi->priv)) | |
139 | continue; | |
140 | ||
fb6e5ba8 | 141 | g_free(devc->device); |
69e19dd7 | 142 | g_slist_free(devc->enabled_probes); |
e0b7d23c | 143 | close(devc->fd); |
f4816ac6 ML |
144 | |
145 | sr_dev_inst_free(sdi); | |
146 | } | |
147 | ||
148 | g_slist_free(drvc->instances); | |
149 | drvc->instances = NULL; | |
150 | ||
151 | return SR_OK; | |
152 | } | |
153 | ||
e0b7d23c | 154 | static int hw_init(struct sr_context *sr_ctx) |
f4816ac6 | 155 | { |
063e7aef | 156 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
f4816ac6 ML |
157 | } |
158 | ||
159 | static GSList *hw_scan(GSList *options) | |
160 | { | |
161 | struct drv_context *drvc; | |
e0b7d23c ML |
162 | struct sr_dev_inst *sdi; |
163 | struct dev_context *devc; | |
164 | struct sr_probe *probe; | |
f4816ac6 | 165 | GSList *devices; |
fb6e5ba8 ML |
166 | GDir *dir; |
167 | const gchar *dev_name; | |
168 | const gchar *dev_dir = "/dev/"; | |
169 | const gchar *prefix = "usbtmc"; | |
170 | gchar *device; | |
171 | const gchar *idn_query = "*IDN?"; | |
f6a0ac9f BV |
172 | unsigned int i; |
173 | int len, num_tokens, fd; | |
fb6e5ba8 ML |
174 | const gchar *delimiter = ","; |
175 | gchar **tokens; | |
512bb890 | 176 | const char *manufacturer, *model, *version; |
512bb890 | 177 | gboolean matched = FALSE; |
fb6e5ba8 ML |
178 | char buf[256]; |
179 | ||
f4816ac6 ML |
180 | (void)options; |
181 | ||
f4816ac6 ML |
182 | drvc = di->priv; |
183 | drvc->instances = NULL; | |
184 | ||
4b97c74e UH |
185 | devices = NULL; |
186 | ||
fb6e5ba8 | 187 | dir = g_dir_open("/sys/class/usb/", 0, NULL); |
e0b7d23c | 188 | |
fb6e5ba8 ML |
189 | if (dir == NULL) |
190 | return NULL; | |
e0b7d23c | 191 | |
29d957ce | 192 | while ((dev_name = g_dir_read_name(dir)) != NULL) { |
fb6e5ba8 ML |
193 | if (strncmp(dev_name, prefix, strlen(prefix))) |
194 | continue; | |
195 | ||
196 | device = g_strconcat(dev_dir, dev_name, NULL); | |
197 | ||
198 | fd = open(device, O_RDWR); | |
199 | len = write(fd, idn_query, strlen(idn_query)); | |
200 | len = read(fd, buf, sizeof(buf)); | |
201 | close(fd); | |
29d957ce | 202 | if (len == 0) { |
fb6e5ba8 ML |
203 | g_free(device); |
204 | return NULL; | |
205 | } | |
206 | ||
207 | buf[len] = 0; | |
208 | tokens = g_strsplit(buf, delimiter, 0); | |
209 | close(fd); | |
512bb890 | 210 | sr_dbg("response: %s %d [%s]", device, len, buf); |
fb6e5ba8 ML |
211 | |
212 | for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++); | |
213 | ||
512bb890 | 214 | if (num_tokens < 4) { |
fb6e5ba8 ML |
215 | g_strfreev(tokens); |
216 | g_free(device); | |
e0b7d23c | 217 | return NULL; |
fb6e5ba8 | 218 | } |
512bb890 BV |
219 | |
220 | manufacturer = tokens[0]; | |
221 | model = tokens[1]; | |
222 | version = tokens[3]; | |
223 | ||
224 | if (strcmp(manufacturer, "Rigol Technologies")) { | |
225 | g_strfreev(tokens); | |
226 | g_free(device); | |
227 | return NULL; | |
228 | } | |
229 | ||
333bf022 | 230 | for (i = 0; i < ARRAY_SIZE(supported_models); i++) { |
512bb890 BV |
231 | if (!strcmp(model, supported_models[i])) { |
232 | matched = 1; | |
233 | break; | |
234 | } | |
235 | } | |
236 | ||
237 | if (!matched || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, | |
238 | manufacturer, model, version))) { | |
239 | g_strfreev(tokens); | |
240 | g_free(device); | |
241 | return NULL; | |
242 | } | |
243 | ||
fb6e5ba8 ML |
244 | g_strfreev(tokens); |
245 | ||
29d957ce UH |
246 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { |
247 | sr_err("Device context malloc failed."); | |
fb6e5ba8 ML |
248 | g_free(device); |
249 | return NULL; | |
250 | } | |
251 | ||
252 | devc->device = device; | |
253 | ||
254 | sdi->priv = devc; | |
255 | sdi->driver = di; | |
256 | ||
29d957ce UH |
257 | for (i = 0; i < 2; i++) { |
258 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, | |
259 | i == 0 ? "CH1" : "CH2"))) | |
fb6e5ba8 ML |
260 | return NULL; |
261 | sdi->probes = g_slist_append(sdi->probes, probe); | |
262 | } | |
263 | ||
264 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
265 | devices = g_slist_append(devices, sdi); | |
e0b7d23c | 266 | } |
fb6e5ba8 ML |
267 | |
268 | g_dir_close(dir); | |
f4816ac6 ML |
269 | |
270 | return devices; | |
271 | } | |
272 | ||
273 | static GSList *hw_dev_list(void) | |
274 | { | |
0e94d524 | 275 | return ((struct drv_context *)(di->priv))->instances; |
f4816ac6 ML |
276 | } |
277 | ||
278 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
279 | { | |
29d957ce UH |
280 | struct dev_context *devc; |
281 | int fd; | |
fb6e5ba8 | 282 | |
29d957ce | 283 | devc = sdi->priv; |
e0b7d23c | 284 | |
29d957ce | 285 | if ((fd = open(devc->device, O_RDWR)) == -1) |
e0b7d23c ML |
286 | return SR_ERR; |
287 | ||
e0b7d23c ML |
288 | devc->fd = fd; |
289 | ||
290 | devc->scale = 1; | |
f4816ac6 ML |
291 | |
292 | return SR_OK; | |
293 | } | |
294 | ||
295 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
296 | { | |
29d957ce UH |
297 | struct dev_context *devc; |
298 | ||
299 | devc = sdi->priv; | |
e0b7d23c ML |
300 | |
301 | close(devc->fd); | |
f4816ac6 ML |
302 | |
303 | return SR_OK; | |
304 | } | |
305 | ||
306 | static int hw_cleanup(void) | |
307 | { | |
308 | clear_instances(); | |
309 | ||
f4816ac6 ML |
310 | return SR_OK; |
311 | } | |
312 | ||
d62d7ad1 BV |
313 | static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi) |
314 | { | |
315 | ||
316 | (void)sdi; | |
317 | ||
318 | switch (id) { | |
319 | case SR_CONF_NUM_TIMEBASE: | |
320 | *data = g_variant_new_int32(NUM_TIMEBASE); | |
321 | break; | |
322 | case SR_CONF_NUM_VDIV: | |
323 | *data = g_variant_new_int32(NUM_VDIV); | |
324 | break; | |
325 | default: | |
326 | return SR_ERR_ARG; | |
327 | } | |
328 | ||
329 | return SR_OK; | |
330 | } | |
331 | ||
f6a0ac9f | 332 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
f4816ac6 | 333 | { |
29d957ce | 334 | struct dev_context *devc; |
f6a0ac9f BV |
335 | uint64_t tmp_u64, p, q; |
336 | double tmp_double; | |
337 | unsigned int i; | |
338 | int tmp_int, ret; | |
339 | const char *tmp_str, *channel; | |
f4816ac6 | 340 | |
29d957ce UH |
341 | devc = sdi->priv; |
342 | ||
f4816ac6 ML |
343 | if (sdi->status != SR_ST_ACTIVE) { |
344 | sr_err("Device inactive, can't set config options."); | |
345 | return SR_ERR; | |
346 | } | |
347 | ||
348 | ret = SR_OK; | |
035a1078 | 349 | switch (id) { |
1953564a | 350 | case SR_CONF_LIMIT_FRAMES: |
f6a0ac9f | 351 | devc->limit_frames = g_variant_get_uint64(data); |
e0b7d23c | 352 | break; |
1953564a | 353 | case SR_CONF_TRIGGER_SLOPE: |
f6a0ac9f | 354 | tmp_u64 = g_variant_get_uint64(data); |
a3df166f | 355 | rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SLOP %s", |
29d957ce | 356 | tmp_u64 ? "POS" : "NEG"); |
e0b7d23c | 357 | break; |
1953564a | 358 | case SR_CONF_HORIZ_TRIGGERPOS: |
f6a0ac9f | 359 | tmp_double = g_variant_get_double(data); |
a3df166f | 360 | rigol_ds1xx2_send_data(devc->fd, ":TIM:OFFS %.9f", tmp_double); |
e0b7d23c | 361 | break; |
1953564a | 362 | case SR_CONF_TIMEBASE: |
f6a0ac9f BV |
363 | g_variant_get(data, "(tt)", &p, &q); |
364 | tmp_int = -1; | |
365 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
366 | if (timebases[i][0] == p && timebases[i][1] == q) { | |
367 | tmp_int = i; | |
368 | break; | |
369 | } | |
370 | } | |
371 | if (tmp_int >= 0) | |
a3df166f | 372 | rigol_ds1xx2_send_data(devc->fd, ":TIM:SCAL %.9f", |
f6a0ac9f | 373 | (float)timebases[i][0] / timebases[i][1]); |
e0b7d23c | 374 | break; |
1953564a | 375 | case SR_CONF_TRIGGER_SOURCE: |
f6a0ac9f BV |
376 | tmp_str = g_variant_get_string(data, NULL); |
377 | if (!strcmp(tmp_str, "CH1")) | |
e0b7d23c | 378 | channel = "CHAN1"; |
f6a0ac9f | 379 | else if (!strcmp(tmp_str, "CH2")) |
e0b7d23c | 380 | channel = "CHAN2"; |
f6a0ac9f | 381 | else if (!strcmp(tmp_str, "EXT")) |
e0b7d23c | 382 | channel = "EXT"; |
f6a0ac9f | 383 | else if (!strcmp(tmp_str, "AC Line")) |
e0b7d23c | 384 | channel = "ACL"; |
29d957ce | 385 | else { |
e0b7d23c ML |
386 | ret = SR_ERR_ARG; |
387 | break; | |
4e108ace | 388 | } |
a3df166f | 389 | rigol_ds1xx2_send_data(devc->fd, ":TRIG:EDGE:SOUR %s", channel); |
e0b7d23c | 390 | break; |
1953564a | 391 | case SR_CONF_VDIV: |
f6a0ac9f BV |
392 | g_variant_get(data, "(tt)", &p, &q); |
393 | tmp_int = -1; | |
394 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
395 | if (vdivs[i][0] != p || vdivs[i][1] != q) | |
396 | continue; | |
397 | devc->scale = (float)vdivs[i][0] / vdivs[i][1]; | |
a3df166f | 398 | rigol_ds1xx2_send_data(devc->fd, ":CHAN1:SCAL %.3f", |
f6a0ac9f BV |
399 | devc->scale); |
400 | break; | |
e0b7d23c | 401 | } |
f6a0ac9f | 402 | if (i == ARRAY_SIZE(vdivs)) |
e0b7d23c ML |
403 | ret = SR_ERR_ARG; |
404 | break; | |
1953564a | 405 | case SR_CONF_COUPLING: |
e0b7d23c | 406 | /* TODO: Not supporting coupling per channel yet. */ |
f6a0ac9f BV |
407 | tmp_str = g_variant_get_string(data, NULL); |
408 | for (i = 0; i < ARRAY_SIZE(coupling); i++) { | |
409 | if (!strcmp(tmp_str, coupling[i])) { | |
a3df166f | 410 | rigol_ds1xx2_send_data(devc->fd, ":CHAN1:COUP %s", |
f6a0ac9f | 411 | coupling[i]); |
88e429c9 BV |
412 | rigol_ds1xx2_send_data(devc->fd, ":CHAN2:COUP %s", |
413 | coupling[i]); | |
e0b7d23c ML |
414 | break; |
415 | } | |
416 | } | |
f6a0ac9f | 417 | if (i == ARRAY_SIZE(coupling)) |
e0b7d23c ML |
418 | ret = SR_ERR_ARG; |
419 | break; | |
f4816ac6 | 420 | default: |
035a1078 | 421 | sr_err("Unknown hardware capability: %d.", id); |
f4816ac6 | 422 | ret = SR_ERR_ARG; |
29d957ce | 423 | break; |
f4816ac6 ML |
424 | } |
425 | ||
426 | return ret; | |
427 | } | |
428 | ||
f6a0ac9f | 429 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc | 430 | { |
861c447b BV |
431 | GVariant *tuple, *rational[2]; |
432 | GVariantBuilder gvb; | |
433 | unsigned int i; | |
a1c743fc BV |
434 | |
435 | (void)sdi; | |
436 | ||
437 | switch (key) { | |
9a6517d1 | 438 | case SR_CONF_DEVICE_OPTIONS: |
f6a0ac9f BV |
439 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
440 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 441 | break; |
2a7b113d | 442 | case SR_CONF_COUPLING: |
f6a0ac9f | 443 | *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling)); |
2a7b113d | 444 | break; |
e4f2b2ad | 445 | case SR_CONF_VDIV: |
861c447b BV |
446 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
447 | for (i = 0; i < ARRAY_SIZE(vdivs); i++) { | |
448 | rational[0] = g_variant_new_uint64(vdivs[i][0]); | |
449 | rational[1] = g_variant_new_uint64(vdivs[i][1]); | |
450 | tuple = g_variant_new_tuple(rational, 2); | |
451 | g_variant_builder_add_value(&gvb, tuple); | |
452 | } | |
453 | *data = g_variant_builder_end(&gvb); | |
e4f2b2ad | 454 | break; |
41f5bd09 | 455 | case SR_CONF_TIMEBASE: |
861c447b BV |
456 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
457 | for (i = 0; i < ARRAY_SIZE(timebases); i++) { | |
458 | rational[0] = g_variant_new_uint64(timebases[i][0]); | |
459 | rational[1] = g_variant_new_uint64(timebases[i][1]); | |
460 | tuple = g_variant_new_tuple(rational, 2); | |
461 | g_variant_builder_add_value(&gvb, tuple); | |
462 | } | |
463 | *data = g_variant_builder_end(&gvb); | |
41f5bd09 | 464 | break; |
328bafab | 465 | case SR_CONF_TRIGGER_SOURCE: |
f6a0ac9f BV |
466 | *data = g_variant_new_strv(trigger_sources, |
467 | ARRAY_SIZE(trigger_sources)); | |
328bafab | 468 | break; |
a1c743fc BV |
469 | default: |
470 | return SR_ERR_ARG; | |
471 | } | |
472 | ||
473 | return SR_OK; | |
474 | } | |
475 | ||
f4816ac6 ML |
476 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
477 | void *cb_data) | |
478 | { | |
29d957ce | 479 | struct dev_context *devc; |
e0b7d23c ML |
480 | char buf[256]; |
481 | int len; | |
29d957ce | 482 | |
e0b7d23c ML |
483 | (void)cb_data; |
484 | ||
29d957ce UH |
485 | devc = sdi->priv; |
486 | ||
75d8a4e5 | 487 | devc->num_frames = devc->num_frame_samples = 0; |
e0b7d23c ML |
488 | |
489 | sr_source_add(devc->fd, G_IO_IN, 50, rigol_ds1xx2_receive_data, (void *)sdi); | |
490 | ||
491 | /* Send header packet to the session bus. */ | |
4afdfd46 | 492 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); |
e0b7d23c | 493 | |
69e19dd7 BV |
494 | /* Hardcoded to CH1 only. */ |
495 | devc->enabled_probes = g_slist_append(NULL, sdi->probes->data); | |
a3df166f | 496 | rigol_ds1xx2_send_data(devc->fd, ":CHAN1:SCAL?"); |
e0b7d23c ML |
497 | len = read(devc->fd, buf, sizeof(buf)); |
498 | buf[len] = 0; | |
499 | devc->scale = atof(buf); | |
29d957ce | 500 | sr_dbg("Scale is %.3f.", devc->scale); |
a3df166f | 501 | rigol_ds1xx2_send_data(devc->fd, ":CHAN1:OFFS?"); |
e0b7d23c ML |
502 | len = read(devc->fd, buf, sizeof(buf)); |
503 | buf[len] = 0; | |
504 | devc->offset = atof(buf); | |
29d957ce | 505 | sr_dbg("Offset is %.6f.", devc->offset); |
a3df166f | 506 | rigol_ds1xx2_send_data(devc->fd, ":WAV:DATA?"); |
f4816ac6 ML |
507 | |
508 | return SR_OK; | |
509 | } | |
510 | ||
511 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
512 | { | |
29d957ce UH |
513 | struct dev_context *devc; |
514 | ||
f4816ac6 ML |
515 | (void)cb_data; |
516 | ||
29d957ce UH |
517 | devc = sdi->priv; |
518 | ||
f4816ac6 ML |
519 | if (sdi->status != SR_ST_ACTIVE) { |
520 | sr_err("Device inactive, can't stop acquisition."); | |
521 | return SR_ERR; | |
522 | } | |
523 | ||
e0b7d23c | 524 | sr_source_remove(devc->fd); |
f4816ac6 ML |
525 | |
526 | return SR_OK; | |
527 | } | |
528 | ||
529 | SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info = { | |
530 | .name = "rigol-ds1xx2", | |
531 | .longname = "Rigol DS1xx2", | |
532 | .api_version = 1, | |
533 | .init = hw_init, | |
534 | .cleanup = hw_cleanup, | |
535 | .scan = hw_scan, | |
536 | .dev_list = hw_dev_list, | |
537 | .dev_clear = clear_instances, | |
d62d7ad1 | 538 | .config_get = config_get, |
035a1078 | 539 | .config_set = config_set, |
a1c743fc | 540 | .config_list = config_list, |
f4816ac6 ML |
541 | .dev_open = hw_dev_open, |
542 | .dev_close = hw_dev_close, | |
f4816ac6 ML |
543 | .dev_acquisition_start = hw_dev_acquisition_start, |
544 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
545 | .priv = NULL, | |
546 | }; |